Class / Patent application number | Description | Number of patent applications / Date published |
356602000 | Triangulation | 83 |
20080285055 | Method and System For Determining the Properties of a Surface of Revolution - The invention relates to a method and system for determining the direction and location of the symmetry axis of a revolution-shaped article. Furthermore, the invention enables one to determine the radius of the article as well as the pitch of a possible thread. In the arrangement of the invention, the article being measured is illuminated using light sources arranged in direct vicinity of the cameras. Each camera is measuring the reflection plane formed from the article being measured based on the light reflected backward from the article. The symmetry axis is determined by calculating the transversal of the reflection planes. The system of the invention uses at least two cameras, but the measurement accuracy can be improved by calculating the symmetry axis from the transversals of the reflection planes of a bigger set of cameras. Furthermore, at least a third camera is required to calculate the pitch of thread. | 11-20-2008 |
20080309948 | PROCESS AND DEVICE FOR CONTROLLING A FILLING LEVEL OF SILOS CONTAINING LOOSE MATERIALS - The process comprises a stage of highlighting a plurality of light points of a free surface of the material contained in the silo, of detecting a position of each of the light points and obtaining electrical signals which are proportional to the detected position of each point, and processing the signals to obtain a virtual reproduction of the free surface of the material which when processed provide desired data. The device for realising the process comprises lasers, which project a laser beam towards the free surface of the material contained in the silo, an optical sensor which detects the position of the light points defined by each laser beam on the free surface, and a data processing system which processes the data relating to the position of the lasers, the inclination of the laser beams, and the detected positions of the light points in such a way as to construct a virtual free surface of the material. | 12-18-2008 |
20090009774 | Method And System For Optical Measurement Of The Shape Of An Article - The present invention relates to a method and system for measuring articles made of a material that is difficult to measure, such as glass. In the system, an elastic film ( | 01-08-2009 |
20090015846 | Device for Measuring Parts by Triangulation Sensors and an Evaluation Unit for Determining - The invention relates to a device for measuring components by a laser triangulation measuring device comprised of at least one triangulation sensor for determining the height profiles of components, whereby the component is arranged on a movable support plane in a horizontal moving direction relative to the laser triangulation measuring device, whereby at least two triangulation sensors are arranged in a mutual measuring plane forming a positional offset, for determining the height profile and a cross-sectional profile of the component in the measuring plane. | 01-15-2009 |
20090051929 | THREE-DIMENSIONAL IMAGE MEASURING APPARATUS - The present invention relates to a three-dimensional image measuring apparatus comprising: an XYZ shaft transfer means mounted onto a base member; a work stage mounted to the base member, for moving a measuring object to a measuring position and thereafter supporting it and having a predetermined reference surface set at a side thereof; an image obtaining means in which it is moved toward X,Y and Z shafts by the XYZ shaft transfer means, scans a grating image by the frequency of N times to a side of the measuring object supported and fixed to the work stage, obtains the changed grating image by the measuring object by N times; a light emitting means mounted to a side of the image obtaining means for generating and emitting light with a predetermined wavelength; and a control unit which irradiates light generated from the light emitting means mounted to a side of the image obtaining means to the reference surface set the side of the work stage, receives the changed grating image obtained from the image obtaining means, thereby producing the three-dimensional image. | 02-26-2009 |
20090066968 | Method and apparatus for performing three-dimensional measurement - A control processing unit simultaneously drives cameras to produce images of a measuring object, the control processing unit searches corresponding point on a comparative image produced by one of the cameras for a representative point in a reference image produced by the other camera, and the control processing unit computes a three-dimensional coordinate corresponding to a coordinate using the coordinate of each point correlated by the search. The control processing unit also obtains a shift amount at the corresponding point specified by the search to an epipolar line specified based on a coordinate of a representative point on the reference image side or a parameter indicating a relationship between the cameras, and the control processing unit supplies the shift amount as an evaluation value indicating accuracy of three-dimensional measurement along with three-dimensional measurement result. | 03-12-2009 |
20090097038 | Machine Vision for Predictive Suspension - A predictive suspension system for a vehicle includes an imaging sensor, and energy source and a control. The imaging sensor is disposed at a vehicle and has a generally downward field of view, with the field of view encompassing an area forward of a tire of the vehicle. The energy source is operable to emit illumination in at least one linear pattern so that the linear pattern is projected onto a portion of the area forward of the tire of the vehicle that is encompassed by the field of view of the imaging sensor. The control processes image data captured by the imaging sensor and detects surface irregularities on a surface in front of the vehicle tire in response to the image processing. | 04-16-2009 |
20090103107 | Method And System For Inspecting Parts Utilizing Triangulation - A method and system for inspecting parts utilizing triangulation are provided. The system includes a part support subsystem including a fixture for supporting a part to be inspected and a head apparatus. The head apparatus includes at least one radiation source for directing a plane of radiation at the part so that the part occludes the plane of radiation to create unobstructed planar portions of the plane of radiation wherein each of the unobstructed planar portions of the plane of radiation contains an amount of radiation which is representative of a respective geometric dimension of the part. The head apparatus also includes at least one receiver module for measuring the amount of radiation present in each of the unobstructed planar portions and a triangulation-based sensor to illuminate the part with a beam of electromagnetic energy to obtain a reflected beam of electromagnetic energy and to sense at least one portion of the reflected beam of electromagnetic energy. The system further includes a movable stage subsystem coupled to the head apparatus for translating the head apparatus relative to the part so that the plane of radiation and the beam of electromagnetic energy linearly scan the part supported by the fixture and a controller for generating control signals to control linear movement of the stage subsystem during the linear scan. | 04-23-2009 |
20090237677 | Measuring device and measuring method - A measuring device includes a light-sending part sending light in a first direction which is a depth direction of a hollow shape, a conversion part converting a direction of the light into a circumference direction approximately orthogonal to the first direction, a detection part detecting light reflected inside a measuring object, the direction of which is converted by the conversion part, and a shape measurement part measuring an inside shape of the measuring object by obtaining a shift from a reference position according to a detection result of the detection part. Thereby, it is possible to obtain the hollow shape of an object at one time without a need of rotating the object or a light source, and to carry out a highly accurate measurement using a simple device. | 09-24-2009 |
20090284757 | Method and apparatus for the determination of the 3D coordinates of an object - In a method for the determination of the 3D coordinates of an object ( | 11-19-2009 |
20100014099 | COORDINATE MEASURING DEVICE AND METHOD FOR MEASURING WITH A COORDINATE MEASURING DEVICE - A method and device for the measurement of workpiece geometries with a coordinate measuring device. According to the invention, measuring tasks may be optimally carried out without a requirement for devices of differing types, by use of one or more sensors which are of optimal application for the relevant measuring task. | 01-21-2010 |
20100171962 | System and Method for Probe Mark Analysis - A method for analyzing probe mark, the method includes: scanning the probe mark by multiple spots; evaluating a probe mark characteristic in response to detection signals generated by multiple sensors of the chromatic confocal system that is characterized by a sub-micron axial resolution. | 07-08-2010 |
20100220340 | System and Method for Height Triangulation Measurement - A method for height triangulation measurement particularly for measuring the height of an object on a surface, the method includes: a) illuminating said object from a known angle with a narrow strip of light, having a large numerical aperture along said light strip and a small numerical aperture perpendicular to said light strip; b) imaging said object from a known angle having a large numerical aperture along said light strip and a small numerical aperture perpendicular to said light strip, having an image of said object illuminated by said light strip; and c) calculating the height of said object from the location of said light strip on said image. | 09-02-2010 |
20100284024 | 3D SCANNING ACOUSTO-OPTIC MICROSCOPE - A scanning microscope includes an acousto-optic scanner that produces a scanned beam. A beam separator based on total internal reflection or angle tuning of a dielectric filter separates an unscanned portion of an excitation light flux from a scanned portion. The scanned beam is directed to a specimen, and optical radiation generated in response to the scanned beam is directed to a detector that produces a detected signal that can be used to determine an image. The scanned beam can be directed to the specimen without formation of any intermediate focusing. | 11-11-2010 |
20110032538 | METHOD FOR THE MEASUREMENT OF THE STOCK OF A GEAR - A method for the measurement of the stock of a gear with an axis of rotation which has to be finished in the hardened state, wherein the gear has a gearing with a plurality of teeth at its outer and/or inner circumference and wherein the teeth have, compared with the finished geometry, a stock on their tooth flanks. To carry out a reliable measurement of the stock the invention proposes that the position of the surface of the tooth flank with the stock is detected by using optical distance measurement by means of a distance sensor, wherein a light beam is directed by the distance sensor onto the surface, wherein the light beam is guided onto the surface in such a way that it is perpendicular to the axis of rotation or that it is parallel to this direction. | 02-10-2011 |
20110176147 | THREE-DIMENSIONAL SURFACE MEASURING SCANNER - There is described a scanner having a frame with a support, two lasers attached to the frame and two optical sensors attached to the frame, the lasers and optical sensors being positioned and oriented to reduce shadowing effects for the cameras and for the laser lines while covering close to 100% of the surface of an object to be imaged and reducing the scanning time. | 07-21-2011 |
20110188052 | APPARATUS AND METHOD OF DETERMINING GEOMETRICAL DIMENSIONS OF A TYRE BY CONTACT-LESS SENSING - The invention relates to a method of determining geometrical dimensions of a tyre, especially of an inner surface of the tyre and/or a tyre bead, by contact-less sensing, wherein the tyre ( | 08-04-2011 |
20120044504 | PROFILOMETER, MEASURING APPARATUS, AND OBSERVING APPARATUS - An observing apparatus includes a lighting device for irradiating a surface of a measuring target with light having a first light source distribution, and an imaging section for imaging the surface of the measuring target. Considering a first plane passing through a measurement point, the first light source distribution is set such that: (1) a radiance L | 02-23-2012 |
20120069351 | OPTICAL APPARTUS FOR NON-CONTACT MEASUREMENT OR TESTING OF A BODY SURFACE - An optical arrangement for the non-contact measurement or testing of properties of a solid's surface, such as curvature, shape, contour, roughness or alignment. An optical arrangement includes structure for establishing a gap between the solid's surface and a reference edge, structure for imaging the gap on a detector, and an analyzing system connected to the detector. The analyzing system is designed to determine gap widths lying adjacent to each other on the basis of the output signals of the detector, and to determine curvature, shape, contour or roughness of the solid's surface on the basis of the gap widths lying adjacent to each other. From the comparison of the images obtained from any two positions within a drilled hole, deductions can be made, among other things, about any tilt between the measuring object and the measuring system. | 03-22-2012 |
20120170052 | MEASURING METHOD FOR TOPOGRAPHY OF MOVING SPECIMEN AND A MEASURING APPARATUS THEREOF - A measuring method for topography of moving specimen and a measuring apparatus thereof is disclosed, providing a measuring module that moves along with a testing specimen to narrow relative velocity of the testing specimen and the measuring module so that the measuring module is able to have enough luminous intensity signal at the same position in time, to measure the topography or the thickness of the testing specimen. | 07-05-2012 |
20120268747 | Surface analysis for detecting closed holes, and device - A process for determining the position of closed holes in a component is provided. By carrying out laser triangulation measurements on an uncoated component and a coated component with holes, the exact position of the holes to be reopened may be detected following the coating. A device used to carry out this process is also provided. | 10-25-2012 |
20130286407 | APPARATUS - An apparatus for illuminating an object with electro-magnetic radiation comprising spectrally distinct features, the apparatus comprising:
| 10-31-2013 |
20140104621 | THREE-DIMENSIONAL SHAPE MEASURING APPARATUS AND ROBOT SYSTEM - A three-dimensional shape measuring apparatus according to the embodiment includes an irradiating unit, an imaging unit, a position detector, a changing unit. The irradiating unit applies a slit light beam while changing an irradiation position in an area under measurement. The imaging unit images reflected light of the light beam. The position detector scans an image taken by the imaging unit to detect a position of the light beam on the image. The changing unit changes a position of an imaging area of the imaging unit in accordance with the irradiation position of the light beam. | 04-17-2014 |
20140368834 | Optical Thread Profiler - An apparatus configured to measure at least one physical characteristic of an threaded surface (e.g., an internally threaded surface) of an object is provided. The apparatus uses optical triangulation to perform non-contact characterization of the threaded surface. The apparatus can be used to characterize various aspects of the threaded surface, including generating the measurements required to produce a longitudinal cross-sectional profile of the threaded surface. | 12-18-2014 |
20150109626 | Tire Digitizer - A tire digitizer system for digitizing the profile of a tire to create a digital model of the tire is described. There is provided a chassis that includes one or more sheet of light triangulation sensors for capturing the profile of a tire moving in a predefined area and outputting coordinate values describing a digital model of the tire. The system may be used during the tire development and manufacturing process to inspect for any defects in the tire. | 04-23-2015 |
20160091303 | OPTICAL THREAD PROFILER - An apparatus configured to measure at least one physical characteristic of a threaded surface (e.g., an internally threaded surface) of an object is provided. The apparatus uses optical triangulation to perform non-contact characterization of the threaded surface. The apparatus can be used to characterize various aspects of the threaded surface, including generating the measurements required to produce a longitudinal cross-sectional profile of the threaded surface. | 03-31-2016 |
356603000 | Projection of structured light pattern | 33 |
20080285056 | Compact 3D scanner with fixed pattern projector and dual band image sensor - A structured light 3D scanner consisting of a specially designed fixed pattern projector and a camera with a specially designed image sensor is disclosed. A fixed pattern projector has a single fixed pattern mask of sine-like modulated transparency and three infrared LEDs behind the pattern mask; switching between the LEDs shifts the projected patterns. An image sensor has pixels sensitive in the visual band, for acquisition of conventional image and the pixels sensitive in the infrared band, for the depth acquisition. | 11-20-2008 |
20090059241 | System and Method for Three-Dimensional Measurement of The Shape of Material Objects - A system and method are provided for the 3D measurement of the shape of material objects using non-contact structured light triangulation. The system includes a light projector for projecting a structured light pattern onto the surface of any object and a camera for capturing an image of the structured light pattern acting on the surface of the object. The system further includes computing device for determining the 3D measurement of the surface shape of the illuminated object through a triangulation algorithm employed based on a calculated correspondence between the projected structured light and the captured image. The structured light includes coded elements that lie within planes passing through vertices of the central projection areas of both the projector and the camera also that pass through the space of the object being measured. | 03-05-2009 |
20090097039 | 3-Dimensional Shape Measuring Method and Device Thereof - It is possible to measure a 3-dimensional shape by using a projector and an imaging device without requiring calibration in advance. A pattern light is applied from a projector to an object and this is imaged by an imaging device to capture an image as an input. An in-camera parameter, an in-projector parameter, a parameter of positional relationship between the camera and the projector are estimated. By using the estimation results, a 3-dimensional shape of the object is measured. When a laser pointer is attached to the projector and a laser is applied to the object for capturing an image as an input, scaling of the object shape can also be estimated. Moreover, when measuring a plurality of objects or measuring the same objects a plurality of times, the accuracy of the 3-dimensional shape respectively obtained can be increased by simultaneously processing the inputs. Moreover, when one of projector and the camera is fixed and the other is moved while measuring the same object a plurality of times, the accuracy of the 3-dimensional shape obtained as a result can be increased by performing bundle adjustment. | 04-16-2009 |
20090323082 | Optical Profile Scanning - A profile of a surface of an object ( | 12-31-2009 |
20100007896 | INSPECTION SYSTEM AND METHOD - A manufacturing method and system are disclosed for illuminating a target. A light controller has a plurality of pixels, and light is projected from at least a first light source to the light controller, wherein the light from the first light source is incident on the light controller at a first angle. The pixels are controlled to establish illumination characteristics for first and second optical paths between the light controller and the target. | 01-14-2010 |
20100020333 | REFRACTIVE PRODUCTION OF A CONCENTRICALLY FANNED STRUCTURED BUNDLE OF LIGHT BEAMS, OPTICAL, MEASURING DEVICE WITH REFRACTIVE DEFECTION ELEMENT - The invention describes an optical deflection element for the refractive production of a spatially structured bundle of light beams fanned concentrically to an optical axis of the deflection element. The optical deflection element has a base body made of optically transparent material, and has a light input and output side. The light input side is configured such that a primary bundle of light beams can be coupled in the base body. The light output side has a cylindrically symmetrical contour, which defines a recess in the base body. The fanning of the primary bundle of light beams is achieved by refraction on rotationally symmetric interfaces, which are variably inclined relative to the optical axis. The invention further relates to an optical measuring device for the three-dimensional measurement of a cavity in an object and a method for producing a concentrically fanned, spatially structured bundle of light beams. | 01-28-2010 |
20100046004 | PATTERN PROJECTING APPARATUS, THREE DIMENSIONAL IMAGING APPARATUS HAVING THE SAME, AND VARIFOCAL LIQUID LENS BEING USED IN THE SAME - A pattern projecting apparatus usable with a three-dimensional imaging apparatus includes a light generator which emits a light beam, and a pattern adjusting unit disposed in front of the light generator. The pattern adjusting unit forms a projection pattern on an object, and adjusts a focus of the light beam emitted from the light generator. | 02-25-2010 |
20100091302 | APPARATUS AND METHOD FOR MEASURING THREE-DIMENSIONAL SHAPE BY USING MULTI-WAVELENGTH - An apparatus and a method for measuring a three-dimensional shape are disclosed. The apparatus includes a transfer stage, a first projector, a second projector, a camera unit and a control unit. The transfer stage transfers a measurement object to a measurement position. The first projector irradiates a first pattern light having a first equivalent wavelength toward the measurement object in a first direction. The second projector irradiates a second pattern light having a second equivalent wavelength that is different from the first equivalent wavelength toward the measurement object in a second direction. The camera unit takes a first pattern image that is generated when the first pattern light is reflected by the measurement object, and a second pattern image that is generated when the second pattern light is reflected by the measurement object. The control unit controls the first projector and the second projector, and obtains a three-dimensional shape of the measurement object through the first pattern image and the second pattern image. | 04-15-2010 |
20100149551 | Structured Light Imaging System and Method - A structured light imaging system for measuring coordinates of a surface may include a first imaging lens, a spatial light modulator provided after the first imaging lens, a second imaging lens provided after the spatial light modulator, and an imaging sensor provided after that second imaging light modulator. A method of measuring coordinates of a surface using a structured light imaging system may include illuminating the surface with structured light from a projector and adjusting light intensity at each pixel of the imaging system by using a feedback loop system such that each pixel of the imaging sensor will operate in a linear response range. | 06-17-2010 |
20100208274 | Apparatus and method for the representation of an area on the surface of a patient's body - The invention is related to an apparatus for the representation of a geometrical figure on the surface of a patient's body that is situated on a support, comprising at least one projection device, by which a given geometrical figure can be projected onto the three-dimensional surface of the patient's body, at least one control device and at least one optical sensor device, by which the geometrical figure projected onto the surface of the patient's body can be acquired and the acquired data can be supplied to the control device, wherein the control device is realised to determine the three-dimensional coordinates of the geometrical figure projected onto the patient's body from the data acquired by the sensor device, and wherein the control device is realised to compare the determined three-dimensional coordinates of the geometrical figure projected onto the patient's body with desired three-dimensional coordinates. | 08-19-2010 |
20110075156 | RANGE FINDER - A system and method for measuring a height of objects on a moving surface comprising providing a linear image sensor positioned transverse to a direction of travel of the moving surface, and at least one light source positioned collinear to the linear image sensor and proximate to an edge of the moving surface so that the light source projects a unique patterned light sequence across a width of the moving surface, detecting a transverse shift in a portion of the unique patterned light sequence with respect to the direction of travel of the moving surface as an object passes through the unique patterned light sequence, determining an amount of shift of the portion of the unique patterned light sequence, and determining a height of the object based on the portion of the unique patterned light sequence shift. | 03-31-2011 |
20110299094 | APPARATUS AND METHOD FOR HIGH-SPEED PHASE SHIFTING FOR INTERFEROMETRIC MEASUREMENT SYSTEMS - Described are a method and apparatus for high-speed phase shifting of an optical beam. A transparent plate having regions of different optical thickness is illuminated by an optical beam along a path of incidence that extends through the regions. The transparent plate can be moved or the optical beam can be steered to generate the path of incidence. The optical beam exiting the transparent plate has an instantaneous phase value according to the region in which the optical beam is incident. Advantageously, the phase values are repeatable and stable regardless of the location of incidence of the optical beam within the respective regions, and phase changes at high modulation rates are possible. The method and apparatus can be used to modulate a phase difference of a pair of coherent optical beams such as in an interferometric fringe projection system. | 12-08-2011 |
20120013917 | Measuring Device - The present invention provides a measuring device, comprising a light source unit | 01-19-2012 |
20120019836 | THREE-DIMENSIONAL SHAPE MEASURING APPARATUS, THREE-DIMENSIONAL SHAPE MEASURING METHOD, AND THREE-DIMENSIONAL SHAPE MEASURING PROGRAM - A three-dimensional shape measuring apparatus measures by analyzing an optical pattern projected to the measurement target, and luminance of the optical pattern. The apparatus includes a mounting stage having a reference plane of a height of the measurement target, a measurement head that projects the optical pattern, to the measurement target and reference plane, to capture images of the optical patterns, and a displacement portion displaces the measurement head in a height direction. A phase computing portion computes a phase of the optical pattern in a certain pixel included in the captured image. A height computing portion computes a height of the measurement target based on the phase, and a feed amount computing portion computes a displacement amount based on the height. The height computing portion computes the height based on the phase and corrects the height based on the displacement amount, thereby computing the height of the measurement target. | 01-26-2012 |
20120057174 | LASER SCANNER OR LASER TRACKER HAVING A PROJECTOR - A laser scanner or a laser tracker includes a light source that emits a light beam within an environment, and a data capture component that captures the light beam reflected back to the laser scanner or tracker from the environment. The laser scanner or tracker also includes a projector integrated within a body of the laser scanner or tracker or mounted to the body of the laser scanner or tracker at a predetermined location, the projector being operable to project visible information onto an object located within the environment, the projected visible information being indicative of images, data or information, the projected visible information being at least one of design intent information, information acquired by the laser scanner or tracker, or guidance to an operator. | 03-08-2012 |
20120086951 | OPTOELECTRONIC SENSOR - An optoelectronic sensor ( | 04-12-2012 |
20120120412 | Structured Light 3-D Measurement Module and System for Illuminating an Area-under-test using a Fixed-pattern Optic - A surface measurement module for 3-D triangulation-based image acquisition of a surface-under-inspection and under observation by at least one camera. The module having: (a) a casing housing an optical system comprising a plurality of lens elements positioned between a fixed-pattern optic and a light source; (b) an output of said fixed-pattern optic comprising a multi-frequency pattern comprising a plurality of pixels representing at least a first and second superimposed sinusoid projected simultaneously, each of the sinusoids represented by the pixels having a unique temporal frequency and each of the pixels projected to satisfy | 05-17-2012 |
20120120413 | Structured Light 3-D Measurement Module and System for Illuminating a Subject-under-test in Relative Linear Motion with a Fixed-pattern Optic - A surface measurement module for 3-D triangulation-based image acquisition of a subject-under-inspection and under observation by at least one camera. The module having: (a) casing housing an optical system comprising a plurality of lens elements positioned between a fixed-pattern optic and a light source; (b) an output of said fixed-pattern optic comprising a multi-frequency pattern comprising a plurality of pixels representing at least a first and second superimposed sinusoid projected simultaneously, each of the sinusoids represented by the pixels having a unique temporal frequency and each of the pixels projected to satisfy | 05-17-2012 |
20120307259 | APPARATUS AND METHOD FOR INSPECTING AN OBJECT WITH INCREASED DEPTH OF FIELD - An apparatus for measuring a height of an object plane or multiple points on an object is disclosed. The apparatus comprises an imaging system having a focal plane passing through a focal point of the imaging system, wherein the focal plane of the imaging system is tilted at an oblique angle with respect to the object plane such that only a small portion of the object is in focus. Alternatively, the focal plane is tilted at an oblique angle with respect to a scanning direction of the imaging system during relative movement between the imaging system and the object. | 12-06-2012 |
20130335749 | MEASUREMENT ASSEMBLY INCLUDING A METROLOGY SYSTEM AND A POINTER THAT DIRECTS THE METROLOGY SYSTEM - A measurement assembly ( | 12-19-2013 |
20140071458 | Shape Measuring Device, Shape Measuring Method, And Shape Measuring Program - The invention provide a shape measuring device, a shape measuring method, and a shape measuring program capable of clearly observing a surface state of a measuring object while measuring a shape of the measuring object at high accuracy. Light irradiated by a light projecting unit is reflected by a measuring object and received by a light receiving unit. Stereoscopic shape data of the measuring object is generated by a triangular distance measuring method. The light irradiated by the light projecting unit is reflected by the measuring object and received by the light receiving unit. All-focus texture image data of the measuring object is generated by synthesizing texture image data of a plurality of portions of the measuring object while changing a focus position of the light receiving unit. The stereoscopic shape data and the all-focus texture image data are synthesized to generate synthesized data. | 03-13-2014 |
20150098092 | Device and Method For the Simultaneous Three-Dimensional Measurement of Surfaces With Several Wavelengths - The invention relates to an apparatus for the three-dimensional measurement of an object, and comprises a projection system for projecting a pattern onto a surface by means of electromagnetic radiation having at least two different wavelengths or at least two different wavelength ranges; and a detector system for detecting the projected pattern at the at least two different wavelengths or at at least two different respective wavelengths from the at least two different wavelength ranges. The invention further relates to a method for the three-dimensional measurement of an object. | 04-09-2015 |
20150103358 | SYSTEM AND METHOD FOR NON-CONTACT MEASUREMENT OF 3D GEOMETRY - A method for the non-contact measurement of a scene's 3D geometry is based on the concurrent projection of multiple and overlapping light patterns of different wavelengths and/or polarity onto its surfaces. Each location in the overlapping light patterns is encoded (code-word) by the combined arrangements of code elements (code-letters) from one or more of the overlapping patterns. The coded light reflected from the scene is imaged separately for each wavelength and/or polarity by an acquisition unit and code-letters are combined at each pattern location to yield a distinct code-word by a computing unit. Code-words are then identified in the image, stereo-matched, and triangulated, to calculate the range to the projected locations on the scene's surface. | 04-16-2015 |
20150301181 | SPATIALLY CODED STRUCTURED LIGHT GENERATOR - A spatially coded structured light is generated by an array of laser diodes ( | 10-22-2015 |
20160040982 | DIMENSIONING SYSTEM WITH GUIDED ALIGNMENT - A dimensioning system including a computing device running an alignment software program is disclosed. The alignment software uses range information from a range sensor in order to generate alignment messages. The alignment messages may help a user define a frame of reference and align the dimensioning system's range sensor for improved dimensioning performance. | 02-11-2016 |
356604000 | Pattern is series of non-intersecting lines | 8 |
20100046005 | ELECTROSTATICE CHUCK WITH ANTI-REFLECTIVE COATING, MEASURING METHOD AND USE OF SAID CHUCK - The invention relates to a device for the contactless detection of a three-dimensional contour, comprising a projector with an imaging element and a projection lens for depicting a stripe pattern that is generated on the imaging element in an object space. The invention further comprises a camera arrangement for the surveillance of the object space from two different directions, having two camera lenses. The projector and the camera arrangement are housed together in a measurement head that can be handheld. The invention further relates to a method for detecting a three-dimensional contour using said device. | 02-25-2010 |
20100046006 | PATTERN MEASUREMENT APPARATUS AND PATTERN MEASUREMENT METHOD - A pattern measurement method includes: acquiring sectional shapes of a first pattern corresponding to process parameters, respectively; using the acquired sectional shapes to calculate predicted spectral waveforms which would be obtained when light is applied to the first pattern, and adding information on the corresponding process parameters to the calculated predicted spectral waveforms, respectively, to form a waveform library; setting a process parameter to obtain a desired shape, and acquiring an actual spectral waveform of a second pattern actually created from the first pattern using the set process parameter; performing waveform matching between the actual spectral waveform and the predicted spectral waveforms to acquire matching scores for respective waveform matching, and calculating an optimum process parameter providing the maximum matching score; generating an optimum pattern sectional shape corresponding to the optimum process parameter to measure the optimum pattern sectional shape. | 02-25-2010 |
20100195116 | OPTICAL TRIANGULATION SENSOR - An optical e.g. laser triangulation sensor is disclosed in which a configuration of an output light beam is controlled using a mask ( | 08-05-2010 |
20140285815 | APPARATUS FOR MEASUREMENT OF THREE-DIMENSIONAL SHAPE - An apparatus for measurement of a three-dimensional (3D) shape includes a lens unit transmitting slit beams to a plurality of measurement objects, a light source unit irradiating the plurality of slit beams to the lens unit at different angles, an imaging unit obtaining images of the plurality of measurement objects formed by the slit beams irradiated on the plurality of measurement objects, and a calculation processing unit generating information regarding a 3D shape of the plurality of measurement objects from the images obtained by the imaging unit. | 09-25-2014 |
356605000 | Moire | 4 |
20090051930 | METHOD FOR DETECTING SURFACE DEFECTS ON A SUBSTRATE AND DEVICE USING SAID METHOD - A method for detecting surface defects, such as slip line type defects, on a substrate designed to be used in electronics, optoelectronics or analogue, including projection of a pattern of light fringes and dark bands onto the substrate, relative displacement of the substrate relative to the pattern, acquisition of a sequence of at least three images of the pattern reflected by the substrate to a sensor, the images corresponding to displacement of the fringes of the pattern, determination of the gradient of the surface of the substrate using displacements of fringes of the pattern, and determination of the presence of a surface defect on the substrate using variations in the gradient of the surface of the substrate. Another embodiment comprises a device using said method. | 02-26-2009 |
20090051931 | Systems and methods for measuring sample surface flatness of continuously moving samples - Measurement of sample surface flatness of a continuously moving sample. A conveyor continuously conveys a sample beneath a grating disposed at a non-zero angle with respect to the plane of conveyance. The relative distance between the sample and the angled grating changes with the horizontal translation of the sample. A camera disposed above the sample and the grating captures, at constant time intervals, a sequence of images, each image comprising a shadow moiré fringe pattern that is indicative of the sample's surface flatness. The continuous change in relative distance between the sample and the grating introduces a known or unknown phase step between the shadow moiré fringe patterns of each successive image. A computer associated with the camera processes the images to determine phase values of pixels at, and the relative height of the sample surface at, selected pixel locations of the sample. | 02-26-2009 |
20090279102 | METHOD AND APPARATUS FOR ACQUIRING REFERENCE GRATING OF THREE-DIMENSIONAL MEASUREMENT SYSTEM USING MOIRE - Disclosed herein is a method of acquiring a reference grating of a three-dimensional measurement system using moiré, wherein the three-dimensional measurement system includes a light source, a projection grating, a grating actuator and a camera, and analyzes the moiré pattern acquired through the camera to measure the shape of the object. The method includes the steps of acquiring an initial reference grating using the light source and the projection grating, confirming whether or not the acquired initial reference grating includes noise through a noise detector, and moving the projection grating through the grating actuator to acquire the next reference grating when the initial reference grating does not include noise and correcting the reference grating when the reference grating includes noise. The method can remove the noise included in the reference grating to improve the accuracy of measurement of an object. | 11-12-2009 |
20110310399 | HYBRID SENSOR - A sensor system and method for analyzing a feature in a sensing volume. The system imaging the feature with a first sensor and a second sensor that cooperate to form a contiguous sensing volume. | 12-22-2011 |
356606000 | Line of light projected | 13 |
20080204765 | Method for Contactless Dynamic Detection of the Profile of a Solid Body - The present invention relates to a method for contactless dynamic detection of the profile of a solid body, particularly a moving one, a laser beam, expanded to form a linear light band, from a laser device being projected onto a region of the surface of the solid body, and the light reflected therefrom being focused in an imaging device, whose optical axis is at a fixed triangulation angle to the projection direction of the laser device and that is arranged at a fixed base distance from the laser device, and is detected by means of a planar light receiving element, in particular at a frequency that is high by compariosn with a speed of movement of the solid body, whereupon signals output by the light receiving element are used in a data processing device as a function of the triangulation angle and the base distance to obtain the measured values of the profile by means of geometric relationships, the values being stored as a profilogram. | 08-28-2008 |
20080212106 | System and Method for Processing a Profile of a Solid, Which Profile is Captured, Preferably in a Dynamic Manner, to Determine Its Wear - A method for the processing of a profile of a solid which has been detected, dynamically, for the purpose of determining wear which has occurred. The data from the evaluated profile are used as a control variable for controlling at least one machine for surface machining on the solid. | 09-04-2008 |
20100309483 | SENSOR SYSTEM AND REVERSE CLAMPING MECHANISM - A sensor system and a reverse clamp is provided. The reverse clamp may include a back portion, a first arm, and a second arm. The first and second arm extending from the back portion to form an opening configured to receive a cylindrical arm. | 12-09-2010 |
20110205552 | FRINGE PROJECTION SYSTEM FOR A PROBE WITH INTENSITY MODULATING ELEMENT SUITABLE FOR PHASE-SHIFT ANALYSIS - An intensity modulating element for a probe having a plurality of light emitters for phase-shift analysis and measurement is disclosed. The intensity modulating element comprises a plurality of columns of a plurality of grating elements formed by two opposing patterns. | 08-25-2011 |
20130301058 | LASER PROFILING ATTACHMENT FOR A VISION SYSTEM CAMERA - This invention provides a system and method for laser profiling that simplifies the task of setting up and using laser profiling systems and associated applications by providing a profiler assembly that includes a predetermined arrangement of lens and spaced-apart laser in which the geometry and calibration parameters are predetermined. The profiler assembly is adapted to mount directly into the camera mount (typically threaded) of a conventional vision system camera. All components needed to perform the profiling task can be integrated into the profiler assembly. The integration of components in a single interchangeable/exchangeable assembly makes it straightforward to optimize/adapt the assembly for a particular profiling application. | 11-14-2013 |
20140078514 | WIDE ANGLE BISTATIC SCANNING OPTICAL RANGING SENSOR - A sensor for determining a profile of an object surface relative to a reference plane includes a radiation source, a collector, a processor, first and second reflectors and at least one reflective element comprising third and fourth reflectors secured in mutual angular relation. The radiation source projects a launch beam for impingement onto the object surface. The collector detects at least a portion of a return beam reflected by the object surface. The processor determines the profile of the object surface at a point of impingement of the launch beam onto the object surface from at least one characteristic of the at least a portion of the return beam. | 03-20-2014 |
20160169665 | INSPECTION SYSTEM FOR INSPECTING AN OBJECT AND INSPECTION METHOD FOR SAME | 06-16-2016 |
356607000 | Scan | 6 |
20110261368 | Laser Scanner - The invention provides a laser scanner | 10-27-2011 |
20110292406 | SCANNER WITH FEEDBACK CONTROL - The present invention relates to non-contact optical scanning of an object for generation of a three-dimensional surface model of the scanned object. In particular the invention relates to a scanner for obtaining the three-dimensional geometry of at least a part of the surface of an object, said scanner comprising: —at least one light source, preferably a laser light source with adjustable power, —projection means for directing light from the at least one light source to a moving spot on the surface of the object, —at least one image sensor adapted to record at least one image of at least a part of the surface, —detection means, other than the at least one image sensor, for monitoring at least a part of the light reflected from the surface, —regulation means for adjusting the intensity of the at least one light source based on the amount of light reflected from the surface, and—means for transforming the at least one image to a three-dimensional model of the surface. | 12-01-2011 |
20120069352 | METHOD FOR OPTICALLY SCANNING AND MEASURING A SCENE - A method for optically scanning and measuring a scene by means of a laser scanner which, for making a scan having a certain center, optically scans and measures its environment provided with targets, whereby two adjacent scans having different centers and scanning the same scene overlap within a range of measuring points so that some targets are scanned by any of the two scans, whereby, for registering the two adjacent scans, the targets are localized in the measuring points during a first step and, during a second step, candidates of correspondence among the localized targets of the two adjacent scans are looked for and, during a third step, a test registration of the two adjacent scans is made which, if there is a sufficient compliance of the measuring points within the overlapping range, is taken over for registration, thus identifying the targets. | 03-22-2012 |
20160069820 | SYSTEM AND METHOD FOR SURFACE INSPECTION - A system includes a vessel floating on a body of water. The system also includes at least one conduit extending from the vessel to below the body of water. The system also includes a scanning device disposed within the at least one conduit. The scanning device includes at least one two-dimensional (2D) line scanner and a rotary encoder coupled to the at least one 2D line scanner. The scanning device is configured to generate three-dimensional (3D) image data of a surface of the at least one conduit or at least one component disposed within the at least one conduit. | 03-10-2016 |
20160153773 | REGISTERING OF A SCENE DISINTEGRATING INTO CLUSTERS WITH POSITION TRACKING | 06-02-2016 |
20170234806 | SYSTEM AND METHOD FOR SURFACE INSPECTION | 08-17-2017 |
356608000 | Scan | 11 |
20090116038 | Measuring Station for a Pipe Cutting Machine - The invention relates to a measuring station, especially for a pipe cutting machine ( | 05-07-2009 |
20090237678 | Method and System for Measuring Wear in the Lining of a Vessel - In a method and system for measuring wear in the lining of a vessel by a laser contouring system having an electromagnetic radiation emitting and receiving device. The laser contouring system references permanent marks and temporary marks positioned outside, on, or within the vessel. The distances and direction from the electromagnetic radiation emitting and receiving device to the fixed and temporary marks is determined during an initial measurement by the electromagnetic radiation emitting and receiving device from a first scanning position. The electromagnetic radiation emitting and receiving device is then moved along a path from the first scanning position to a second scanning position wherein some of the marks which were scanned from the first scanning position are scanned again to determine the relative position of the vessel and points on the internal lining of the vessel to determine the contour of the lining. | 09-24-2009 |
20090251709 | APPARATUS AND METHOD FOR THE REPRESENTATION OF AN AREA ON THE SURFACE OF A PATIENT'S BODY - An apparatus for the representation of an area on the three-dimensional surface of a patient's body, with a control device which provides three-dimensional coordinates of at least one area to be represented on the surface of the patient's body, wherein the area pre-sets a desired intersection area of a radiation area on the surface of the patient's body, characterised in that at least one projection device featuring a laser is provided, by which the desired intersection area can be projected to the three-dimensional surface of the patient's body on the basis of the provided coordinates, while at least one laser beam generated by the laser can be guided along the contour of the desired intersection area sufficiently rapidly, so that the impression of a closed contour around the desired intersection area results. | 10-08-2009 |
20090279103 | APPARATUS AND METHOD FOR OPTICAL 3D MEASUREMENT - The invention relates to an apparatus and a method for optical 3 D measurement, comprising a first beam deflector for deflecting an illuminating beam onto a measurement object and for deflecting the observation beam which is radiated back by the measurement object, wherein the first beam deflector can move along a path distance S. | 11-12-2009 |
20100060904 | HAND-HELD SURFACE PROFILER - A light-emitting hand-held surface profiler for scanning and profiling the surfaces of objects has a transparent housing, a focusable light source, a conical mirror aligned to redirect light emitted by the light source onto a surface to be profiled, an imaging sensor and a lens aligned to redirect toward the imaging sensor light reflected by the surface onto the lens. The light source, conical mirror, imaging sensor and lens are mounted within the housing and positionally referentially coupled to the housing. | 03-11-2010 |
20100073685 | SCANNER SYSTEM AND METHOD OF MEASURING A SURFACE TOPOGRAPHY - A system and method for measuring and developing a topography of a surface of a person or an object. The system includes a container having a flexible outer surface against which the person is to be placed. A deformable material located in the container can be rendered rigid while the person is positioned thereagainst to hold a shape of the outer surface of the container after the person is removed from against the container. A contact free measuring device is operatively connected to a memory device and arranged to measure distances from the measuring device to a plurality of points on the surface of the container and to store those distances in the memory device in digital form. A mounting mechanism may orient or couple the container to the measuring device, permitting the measuring device to be positioned and at least temporarily held fixed relative to the container within a predetermined distance range. | 03-25-2010 |
20100141960 | DIGITIZER USING PLURAL CAPTURE METHODS TO IMAGE FEATURES OF 3-D OBJECTS - A method and apparatus to digitize three-dimensional objects. A projection assembly is retained in fixed relation to an imaging assembly. The projection assembly projects a fixed gradient light pattern into a focal zone of the imaging assembly. The imaging assembly integrates the illumination over time such that the fixed gradient reveals the features of the three dimensional object. | 06-10-2010 |
20110235052 | SYSTEM FOR MEASURING THE INNER SPACE OF A CONTAINER AND METHOD OF PERFORMING THE SAME - A system and method for measuring the inner space of a container provides for the measurement of the wear of the lining of a container such as a torpedo ladle optionally while the ladle is still hot. The interior lining of the container is scanned by a scanner head from a first position in the container which is at an angle relative to the vertical axis of the container. The scanner head is placed in a second position in the container at an angle relative to the vertical axis of the container and from the second position the scanner head scans the portions of the interior lining of the container which were not scanned during the first position scan. By comparing the scanning measurements of the lining from the first position scan and the second position scan after the container has been loaded and unloaded with an initial reference measurement of the lining the wear of the lining can be measured. | 09-29-2011 |
20150043008 | OPTICAL SCANNING PROBE - The present invention relates to a scanning probe ( | 02-12-2015 |
20150085301 | DIRECTED REGISTRATION OF THREE-DIMENSIONAL SCAN MEASUREMENTS USING A SENSOR UNIT - A laser scanner measures | 03-26-2015 |
20160010976 | METHOD FOR THE MEASUREMENT OF AN OBJECT | 01-14-2016 |