Patent application number | Description | Published |
20090323896 | Energy subtraction processing apparatus, method, and radiation image diagnosis system - In energy subtraction processing, grid information representing grid use conditions at the time of imaging operations for a plurality of radiation images of an object is acquired. Weight factors are adjusted in accordance with the grid information, which has been acquired. A weighted addition or subtraction process is performed on corresponding pixels in the plurality of the radiation images of the object by use of the weight factors, which have thus been adjusted. A constituent image representing a predetermined constituent in the object is thus formed. | 12-31-2009 |
20110085701 | STRUCTURE DETECTION APPARATUS AND METHOD, AND COMPUTER-READABLE MEDIUM STORING PROGRAM THEREOF - A plurality of candidate points are extracted from image data. The plurality of candidate points are normalized, and a set of representative points composing form model that is most similar to set form is selected from the plurality of candidate points. Further, the candidate points and the form model are compared with each other, and correction is performed by adding a region forming structure or by deleting a region, or the like. Accordingly, the structure is detected in image data. | 04-14-2011 |
20110218427 | DIAGNOSIS ASSISTING APPARATUS, CORONARY ARTERY ANALYZING METHOD AND RECORDING MEDIUM HAVING A CORONARY ARTERY ANALYZING PROGRAM STORED THEREIN - A plurality of sets of volume data, each of which represent the state of a beating heart in different phases, are obtained. Coronary artery regions are extracted from at least two sets of volume data from among the obtained sets of volume data. A plurality of analysis points are set in each extracted coronary artery region. Correlations are established among analysis points set at the same anatomical positions within the coronary artery regions. Index values that indicate the character of plaque are calculated at each analysis point within all of the coronary artery regions. The character of plaque is evaluated at positions within the coronary artery regions, by integrating the index values calculated at the analysis points corresponding to each of the positions. The evaluation results regarding the character of plaque at each of the positions within the coronary artery regions are output, correlated with information regarding the positions. | 09-08-2011 |
20110242096 | ANATOMY DIAGRAM GENERATION METHOD AND APPARATUS, AND MEDIUM STORING PROGRAM - A storage unit stores a multiplicity of keywords to be extracted from medical treatment reports, each of the multiplicity of keywords representing a region of a human body, a disease name, or a treatment method, and an image generation condition for volume rendering appropriate for the region or the like in such a manner that each of the multiplicity of keywords and the image generation condition are correlated with each other. An extraction unit extracts, from a medical treatment report, at least one of the multiplicity of keywords representing a region of a human body, a disease name, or a treatment method. An image generation unit generates an anatomy diagram by performing volume rendering on a three-dimensional image representing a three-dimensional human body model by using the image generation condition correlated with the at least one of the multiplicity of keywords. | 10-06-2011 |
20130064428 | STRUCTURE DETECTION APPARATUS AND METHOD, AND COMPUTER-READABLE MEDIUM STORING PROGRAM THEREOF - A plurality of candidate points are extracted from image data. The plurality of candidate points are normalized, and a set of representative points composing form model that is most similar to set form is selected from the plurality of candidate points. Further, the candidate points and the form model are compared with each other, and correction is performed by adding a region forming structure or by deleting a region, or the like. Accordingly, the structure is detected in image data. | 03-14-2013 |
20130077872 | IMAGE PROCESSING DEVICE, METHOD AND PROGRAM - Candidate points belonging to a predetermined structure are extracted from image data DV. A shape model which represents a known shape of the predetermined structure and is formed by model labels having a predetermined connection relationship is obtained. Corresponding points corresponding to the model labels are selected from the extracted candidate points under the following constraints: (a) each model label is mapped with only one of the candidate points or none of the candidate points; (b) each candidate point is mapped with only one of the model labels or none of the model labels; and (c) when a path between two candidate points which are mapped with each pair of the model labels connected with each other is determined, each candidate point which is mapped with none of the model labels is included in only one of the determined paths or none of the determined paths. | 03-28-2013 |
20140376796 | Image Processing Apparatus, Method, and Program - The filtering unit calculates an evaluation matrix by performing filtering on each pixel position of an image representing a hollow structure using a second order partial differential of a function representing a hollow sphere. The evaluation unit calculates an evaluation value of at least one or more of point-like structureness, line-like structureness, and plane-like structureness at the pixel position based on the calculated evaluation matrix. | 12-25-2014 |
20150016686 | IMAGE PROCESSING APPARATUS, METHOD, AND PROGRAM - An image processing apparatus, including a filtering unit that performs filtering on an image using a second order partial differential and calculates a Hessian matrix and an evaluation unit that discriminates a structure included in the image using eigenvalues and eigenvectors of the Hessian matrix, in which the filtering unit includes a correction unit that performs filtering on the image using a first order partial differential of a function representing a hollow sphere having the same radius as the radius of the solid sphere and obtains first order partial differential vectors, and carries out correction to cancel out one of response waveforms of the function representing the solid sphere in each direction, the response waveforms appearing at two positions symmetrically separated with respect to the center of the solid sphere, using values obtained by projecting the first order partial differential vectors onto directions of the eigenvectors. | 01-15-2015 |
20150071553 | IMAGE PROCESSING DEVICE, METHOD AND PROGRAM - An image processing device includes a candidate point extracting unit configured to extract a plurality of candidate points belonging to a predetermined structure from image data, a shape model storing unit configured to store a shape model representing a known shape of the predetermined structure, the shape model being formed by a plurality of model labels having a predetermined connection relationship, and a corresponding point selecting unit configured to select a mapping relationship between the candidate points and the model labels from a set of candidate mapping relationships. | 03-12-2015 |
20150199593 | CLASSIFYING DEVICE, CLASSIFYING PROGRAM, AND METHOD OF OPERATING CLASSIFYING DEVICE - When each pixel forming image data is classified into one of N labels (where N>2) which are ordered from 0 to N−1, a binary graph setting unit sets a binary graph where the i-th layer i is a boundary between the label i−1 and the label i of the N labels, a class to which a label equal to or higher than i is assigned corresponds to a virtual label 0, and a class to which a label equal to or smaller than i−1 is assigned corresponds to a virtual label 1, a layer-by-layer labeling unit performs a graph cut operation on the binary graph of each layer, and then a label determining unit determines which of the N labels each pixel belongs to based on the virtual labels assigned to all the binary graphs. | 07-16-2015 |
20150199832 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING PROGRAM, AND OPERATION METHOD OF IMAGE PROCESSING APPARATUS - When using a graph cut process for binary labeling, labeling unit selects N (>3) pixels in image data in such a manner to represent a predetermined shape in the image, minimize the high-order energy of the Nth order or greater in which the pixel values of the N pixels are variables, and performs labeling. | 07-16-2015 |
20150262026 | IMAGE PROCESSING APPARATUS, AND OPERATION METHOD AND PROGRAM THEREFOR - For assigning a binary label representing belonging to a target region or not to each pixel in an image: a predicted shape of the target region is set; a pixel group including N pixels is selected, where N is a natural number of 4 or more, which have a positional relationship representing the predicted shape; and an energy function is set, which includes an N-th order term in which a variable is a label of each pixel of the pixel group, so that a value of the N-th order term is at a minimum value when a combination of the labels assigned to the pixels of the pixel group is a pattern matching the predicted shape, and increases in stages along with an increase in a number of pixels to which a label different from the pattern is assigned. The labeling is performed by minimizing the energy function. | 09-17-2015 |
Patent application number | Description | Published |
20100266184 | MEDICAL IMAGE MANAGEMENT APPARATUS AND METHOD, AND RECORDING MEDIUM - A medical-image management apparatus includes: an information obtainment means that obtains information representing a region of a subject represented in a three-dimensional image constructed based on a plurality of slice images captured by a medical-image imaging apparatus, the plurality of slice images being adjacent to each other in a predetermined direction; a reconstruction means that reconstructs, based on the information obtained by the information obtainment means, a plurality of slice images from the three-dimensional image, the plurality of slice images being adjacent to each other in a direction that has been correlated with the region in advance; a recording means that records the plurality of slice images reconstructed by the reconstruction means; and a distribution control means that sequentially distributes, in response to a distribution request for the three-dimensional image input from an external terminal, the plurality of reconstructed slice images from the recording means to the external terminal. | 10-21-2010 |
20120083696 | APPARATUS, METHOD AND MEDIUM STORING PROGRAM FOR RECONSTRUCTING INTRA-TUBULAR-STRUCTURE IMAGE - A tubular structure, such as a blood vessel, of a subject is extracted from each of a three-dimensional image representing the tubular structure and a three-dimensional intra-tubular-structure image that has been generated from plural tomographic images of the tubular structure obtained by performing tomography on the tubular structure plural times from the inside of the tubular structure along a path in the tubular structure. Further, an arbitrary range in one of the tubular structure extracted from the three-dimensional image and the tubular structure extracted from the three-dimensional intra-tubular-structure image is correlated with a corresponding range in the other one of the tubular structures. Further, a projection three-dimensional image is generated by projecting an image of a specific structure included in the range in the three-dimensional intra-tubular-structure image into the correlated range in the three-dimensional image. | 04-05-2012 |
20120237094 | NETWORK CONSTRUCTION APPARATUS, METHOD AND PROGRAM - A likelihood of a cross segment is calculated based on a cross segment characteristic condition defining a characteristic that a portion corresponding to an intermingled portion of a structure is present as a cross segment, and that at least two pairs of segments connectable in a straight line are present in the neighborhood of the cross segment. A likelihood of a straight line representing a probability that each segment is connected, in a straight line, to another segment is calculated based on a straight line connection condition defining a characteristic that each segment is connected, in a straight line, to another segment in the neighborhood thereof. A strength of connection between the segments is set based on the likelihood of a cross segment and the likelihood of a straight line, and plural network structures are constructed by connecting the segments based on the strength of connection. | 09-20-2012 |
20120327186 | ENDOSCOPIC OBSERVATION SUPPORTING SYSTEM, METHOD, DEVICE AND PROGRAM - A virtual endoscopic image generating unit for generating, from a 3D medical image representing an interior of a body cavity of a subject formed by a 3D medical image forming unit and inputted thereto, a virtual endoscopic image, in which a position of a structure of interest identified by a position of interest identifying unit is a view point of the virtual endoscopic image, a real-time position of at least one of an endoscope and a surgical tool detected by an endoscope position detecting unit or a surgical tool position detecting unit is contained in a field of view of the virtual endoscopic image, and the position of at least one of the endoscope and the surgical tool is shown in an identifiable manner in the virtual endoscopic image, is provided. A display control unit causes a WS display to display the generated virtual endoscopic image. | 12-27-2012 |
20130009958 | PROJECTION IMAGE GENERATION APPARATUS, PROGRAM AND METHOD - A structure extraction element obtains three-dimensional structure extraction data by extracting a tubular structure from volume data obtained by imaging a predetermined subject. A relating element relates positions on paths of a two-dimensional template representing a schematic diagram of a three-dimensionally branching tubular structure obtained by imaging a predetermined subject and positions on paths of the three-dimensional structure extraction data to each other. A projection image generation element generates a two-dimensional projection image by projecting voxel values of the tubular structure that is present on the paths of the three-dimensional structure extraction data onto corresponding positions on the paths of the two-dimensional template. | 01-10-2013 |
20130018255 | ENDOSCOPE OBSERVATION ASSISTANCE SYSTEM, METHOD, APPARATUS AND PROGRAMAANM Kitamura; YoshiroAACI Minato-kuAACO JPAAGP Kitamura; Yoshiro Minato-ku JPAANM Nakamura; KeigoAACI Minato-kuAACO JPAAGP Nakamura; Keigo Minato-ku JP - A virtual endoscope image generation unit receives, as an input, a three-dimensional medical image formed by a three-dimensional medical image formation unit, and generates a virtual endoscope image representing the body cavity viewed from a position in the three-dimensional medical image corresponding to the position of a treatment tool detected in real time by a treatment tool position detection unit. The generated virtual endoscope image is displayed on a WS display. | 01-17-2013 |
20130023730 | ENDOSCOPIC OBSERVATION SUPPORT SYSTEM, METHOD, DEVICE AND PROGRAM - A virtual field of view of a virtual endoscope, which is positioned at a position corresponding to a detected position of an endoscope in a 3D medical image, is determined based on a position of a structure of interest, the corresponding position and a posture of the endoscope, and an angle of view of the endoscope, such that the position of the structure of interest is contained within the virtual field of view and the virtual field of view has continuity with the field of view of the endoscope. From the 3D medical image inputted, a virtual endoscopic image having the determined virtual field of view with the view point thereof being the corresponding position of the endoscope is generated. The generated virtual endoscopic image is displayed on a WS display. | 01-24-2013 |
Patent application number | Description | Published |
20090272999 | ORGANIC ELEMENT AND MANUFACTURING METHOD THEREOF - An organic EL display panel having a functional layer with a uniform film thickness is provided. The organic EL display panel of the present invention contains an anode electrode set on a substrate; line-state banks set on the substrate on which the anode electrode is set and defining a line-state region; a hole transport layers arranged in matrix state on the substrate, the hole transport layer being set in the line-state region; a line-state interlayer set in the line-state region; a line-state organic EL layer set in the line-state region; and a cathode electrode provided on the organic EL layer, and the bank contains a fluorine resin. | 11-05-2009 |
20090284135 | ORGANIC EL DISPLAY PANEL AND MANUFACTURING METHOD THEREOF - An organic EL display panel having a polymer organic EL layer with a uniform thickness is provided. The organic EL display panel includes a substrate, anode electrodes set on the substrate; a hole transport layer provided on the substrate on which the anode electrodes are set; banks provided in lines on the hole transport layer to define line-state pixel regions; an interlayer set in a line in the pixel region; a polymer organic EL layer set in a line on the interlayer in the pixel region; and a cathode electrode provided on the polymer organic EL layer. | 11-19-2009 |
20090284146 | ORGANIC EL ELEMENT AND MANUFACTURING METHOD THEREOF - An organic EL display panel having a functional layer with a uniform film thickness is provided. The organic EL display panel of the present invention contains anode electrodes set on the substrate; organic EL layers set on the anode electrodes; line-state banks defining the organic EL layers in a line-state region; second banks defining two or more regions in the line-state region. The line-state banks and the second banks contain a fluorine resin, a fluorine concentration of the fluorine resin gradually changes along a thickness direction of each of the line-state bank and the second bank, and the fluorine concentration at a top of each of the line-state bank and the second bank is higher than the fluorine concentration at a bottom surface of each of the line-state bank and the second bank. | 11-19-2009 |
20100213442 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device comprising an organic semiconductor element A and an organic semiconductor element B, wherein
| 08-26-2010 |
20110140596 | ORGANIC EL ELEMENT AND MANUFACTURING METHOD THEREOF - An organic EL element having a functional layer with a uniform film thickness is provided. The organic EL element of the present invention contains a substrate; an anode electrode set on the substrate; an organic EL layer set on the anode electrode; a cathode electrode set on the organic EL layer; and a bank having a forward tapered shape, which define the organic EL layer. The bank contains a fluorine resin, the fluorine concentration at a top of the bank is higher than the fluorine concentration at a bottom surface of the bank, and a height of the top of the bank from the substrate is 0.8 to 1.2 μm. | 06-16-2011 |
20120091888 | ORGANIC EL ELEMENT AND MANUFACTURING METHOD THEREOF - An organic EL element is provided with a substrate; an electrode set on the substrate; an organic EL layer set on the electrode; and a bank which define the organic EL layer. A lyophilicity at a top of the bank is higher than a lyophilicity at a bottom surface of the bank, and a lyophilicity of the bank gradually changes from the bottom surface of the bank to the top of the bank. | 04-19-2012 |
20150260985 | LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD - In a laser processing apparatus and a laser processing method, a laser beam radiated from a laser oscillator is positioned on one minute diffraction pattern or over two or more minute diffraction patterns provided in a diffraction optical element by a moving unit. A laser beam to which a desired beam profile is given is reflected at an angle in which the laser beam is radiated to a target position on a processed object by a scanning unit, and the laser beam is transmitted through the lens unit a position in the Z-axis direction of which is controlled so that a focal point of the lens unit corresponds to the surface of the processed object. The processed object is irradiated with a laser beam converged by the lens unit and having a desired laser beam profile to realize desired processing. | 09-17-2015 |
Patent application number | Description | Published |
20080232667 | DEVICE, METHOD AND RECORDING MEDIUM CONTAINING PROGRAM FOR SEPARATING IMAGE COMPONENT, AND DEVICE, METHOD AND RECORDING MEDIUM CONTAINING PROGRAM FOR GENERATING NORMAL IMAGE - A normal image representing a normal structure of a predetermined structure in an input medical image is generated with higher accuracy. Further, an abnormal component in the input medical image is separated with higher accuracy. A supervised learned filtering unit inputs an input image representing a predetermined structure to a supervised learned filter to generate an image representing a normal structure of the predetermined structure. The supervised learned filter is obtained through a learning process using supervisor images, each representing a normal structure of the predetermined structure in a subject (individual), and corresponding training images, each containing an abnormal component in the corresponding subject (individual). Further, a difference processing unit separates an abnormal component in the input image by calculating a difference between the input image and the image representing the normal structure. | 09-25-2008 |
20080232668 | DEVICE, METHOD AND RECORDING MEDIUM CONTAINING PROGRAM FOR SEPARATING IMAGE COMPONENT - A technique for appropriately separating three components contained in radiographic images is disclosed. A component image generating unit separates an image component, which represents any one of a soft part component, a bone component and a heavy element component including an element having an atomic number higher than that of the bone component in a subject, from inputted three radiographic images, which represents degrees of transmission of three patterns of radiations having different energy distributions through the subject, by calculating a weighted sum for each combination of corresponding pixels between the three radiographic images using predetermined weighting factors. | 09-25-2008 |
20090060312 | DEVICE, METHOD AND COMPUTER READABLE RECORDING MEDIUM CONTAINING PROGRAM FOR SEPARATING IMAGE COMPONENTS - A problem inherent to radiographic images, which may occur when an independent component analysis technique is applied to energy subtraction carried out on radiographic images, is solved to achieve separation of image components to be separated with higher accuracy. As preprocessing before the independent component analysis, a spatial frequency band which contains the components to be separated is extracted, pixels of the radiographic images are classified into more than one subsets for each radiographic image based on a value of a predetermined parameter, and/or nonlinear pixel value conversion is applied to the radiographic images based on a value of the predetermined parameter. Alternatively, nonlinear independent component analysis is carried out according to a model using the predetermined parameter. | 03-05-2009 |
20100067772 | RADIATION IMAGE PROCESSING METHOD, APPARATUS AND PROGRAM - A radiation image processing method capable of improving the quality of a radiation image representing a subject without increasing the radiation dose to the subject. Providing, with respect to each of a plurality of subjects of the same type, an input image generated using high and low energy images obtained by radiography and a teacher radiation image having less image quality degradation than the input radiation image and representing the subject with a particular region highlighted; and obtaining a teacher trained filter through training using the input radiation image as input and the teacher radiation image as the teacher. Then, generating a radiation image of the same type as the input radiation image for a given subject, and inputting the radiation image to the teacher trained filter to form a radiation image of the given subject compensated for image quality degradation with the particular region highlighted. | 03-18-2010 |
20120177278 | DEVICE, METHOD AND COMPUTER READABLE RECORDING MEDIUM CONTAINING PROGRAM FOR SEPARATING IMAGE COMPONENTS - A problem inherent to radiographic images, which may occur when an independent component analysis technique is applied to energy subtraction carried out on radiographic images, is solved to achieve separation of image components to be separated with higher accuracy. As preprocessing before the independent component analysis, a spatial frequency band which contains the components to be separated is extracted, pixels of the radiographic images are classified into more than one subsets for each radiographic image based on a value of a predetermined parameter, and/or nonlinear pixel value conversion is applied to the radiographic images based on a value of the predetermined parameter. Alternatively, nonlinear independent component analysis is carried out according to a model using the predetermined parameter. | 07-12-2012 |
Patent application number | Description | Published |
20090010544 | METHOD, APPARATUS, AND PROGRAM FOR DETECTING FACIAL CHARACTERISTIC POINTS - First, a face within an image, which is a target of detection, is detected. Detection data of the face is employed to detect eyes which are included in the face. Detection data of the eyes are employed to detect the inner and outer corners of the eyes. Detection data of the inner and outer corners of the eyes is employed to detect characteristic points of the upper and lower eyelids that represent the outline of the eyes. | 01-08-2009 |
20090310886 | Device and method for correcting for uneven exposure, and computer-readable recording medium containing program - A direct X-ray region extracting means extracts a direct X-ray region, which is at least a portion of a region without the subject contained therein, from an X-ray image formed by an X-ray applied from an X-ray tube to a subject; an uneven exposure component estimating means estimates an uneven exposure component at individual pixels of the X-ray image based on a relationship between positions and pixel values of at least some of pixels in the direct X-ray region; and an uneven exposure correcting means removes the estimated uneven exposure component from the X-ray image. | 12-17-2009 |
20110135172 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM - [Objective] To improve detection performance of target tissues formed by linear structures within three dimensional images. | 06-09-2011 |
20120269443 | METHOD, APPARATUS, AND PROGRAM FOR DETECTING FACIAL CHARACTERISTIC POINTS - First, a face within an image, which is a target of detection, is detected. Detection data of the face is employed to detect eyes which are included in the face. Detection data of the eyes are employed to detect the inner and outer corners of the eyes. Detection data of the inner and outer corners of the eyes is employed to detect characteristic points of the upper and lower eyelids that represent the outline of the eyes. | 10-25-2012 |
20130108137 | DEVICE, METHOD AND COMPUTER READABLE RECORDING MEDIUM CONTAINING PROGRAM FOR SEPARATING IMAGE COMPONENTS | 05-02-2013 |