| AGFA HEALTHCARE N.V. Patent applications |
| Patent application number | Title | Published |
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| 20120038649 | Method and Apparatus for Multimodal Visualization of Volume Data Sets - The invention relates to a method and a corresponding apparatus for multimodal visualization of volume data sets of an object, in particular a patient, comprising the following steps: acquiring a first volume data set of the object with a first imaging modality and a second volume data set of the object with a second imaging modality, said first and second volume data set each comprising a plurality of sample points and values (f | 02-16-2012 |
| 20110200174 | X-Ray Cassette for a Phosphor Storage Plate and Corresponding System and Method for Reading Out a Phosphor Storage Plate - The invention relates to an X-ray cassette ( | 08-18-2011 |
| 20110198254 | Receptacle for Receiving a Phosphor Storage Plate and X-Ray Cassette - The invention relates to a receptacle ( | 08-18-2011 |
| 20110137956 | Method for Canceling Impact of Physical Property Variability on Image Quality Performance of Digital Imaging System - A method for canceling the impact of the physical property variability on the image quality performance of a digital imaging system, obtained during quality control (QC) analysis using a serial numbered quality control (QC) target by applying physical property deviation controlled behaviour model corrections to the raw image quality performance. The serial numbered QC-target used for the QC analysis comprises target-specific, measured physical property data encoded in- or outside of QC-target. | 06-09-2011 |
| 20110123089 | Method and System for Enhancing Contrast of Spatially-Localized Phenomena in Mammography Image - In a method to enhance the contrast of spatially-localized phenomena in an image such as microcalcifications in a mammogram, a multi-scale decomposition is applied to a digital signal representation of the image thereby generating a number of detail images at different scales, the detail signals pertaining to the spatially-localized phenomena having a common polarity (either negative or positive) being modified at at least one scale. | 05-26-2011 |
| 20110049397 | Process and apparatus for reading out and erasing X-Ray information stored in storage phosphor layers - A process, and to a corresponding apparatus for reading out and erasing X-ray information stored in storage phosphor layers, comprising the following: irradiating the storage phosphor layer ( | 03-03-2011 |
| 20110026792 | Method of Enhancing the Contrast of an Image - A method of generating a multiscale contrast enhanced image is described wherein the shape of edge transitions is preserved. Detail images are subjected to a conversion, the conversion function of at least one scale being adjusted for each detail pixel value according to the ratio between the combination of the enhanced center differences and the combination of the unenhanced center differences. Several adaptive enhancement measures are described. | 02-03-2011 |
| 20110026785 | Method of Segmenting Anatomic Entities in Digital Medical Images - For each of a number of landmarks in an image an initial position of the landmark is defined. Next a neighborhood around the initial position, comprising a number of candidate locations of the landmark is sampled and a cost is associated with each of the candidate locations. A cost function expressing a weighted sum of overall gray level cost and overall shape cost for all candidate locations is optimized. A segmented anatomic entity is defined as a path through a selected combination of candidate locations for which combination the cost function is optimized. | 02-03-2011 |
| 20100294841 | Device and Method for Identifying an Object - The invention relates to an apparatus ( | 11-25-2010 |
| 20100292817 | Audio Recording Method - Method of playing an audio file wherein upon interruption of the playing by user interaction, the playing of a predefined part of this audio file preceding the position in the audio file where the playing is interrupted, is resumed. When restarting the recording, it is resumed from the interrupt position. | 11-18-2010 |
| 20100266183 | Method of Generating a Multiscale Contrast Enhanced IMage - A digital image signal is decomposed into a multi-scale representation comprising detail images and approximation images. Translation difference images are computed by subtracting an approximation image at scale s and a translated version of that approximation image. The values of the translation difference images are non-linearly modified. An amplification image is computed at least one scale as the ratio of a first image being computed by combining the modified translation difference images at the same or smaller scale and a second image created by combining unenhanced translation difference images at the same or smaller scale. Next, an enhanced multi-scale detail representation is computed by modifying at least one scale the detail image according to the amplification image at that scale. An enhanced image representation is computed by applying a reconstruction algorithm to the enhanced multi-scale detail representation. The non-linear modification of the values of the translation difference image is steered by the values of an orientation map which comprises for each pixel on a specific scale a local direction of interest. | 10-21-2010 |
| 20100226557 | Method of Eliminating Effect of Afterglow on Radiation Image Read Out of Photostimulable Phosphor Screen - Method of eliminating the effect of afterglow on a radiation image read out of a photostimulable phosphor screen. For each pixel the amount of afterglow generated by previously scanned pixels in the same line of pixels is determined and subtracted from the digital signal representation of that pixel. | 09-09-2010 |
| 20100220911 | Method of Generating a Multiscale Contrast Enhanced Image - At least one approximation image is created of the image at one or multiple scales. Translation difference images are created by pixel-wise subtracting the values of an approximation image at scale s and the values of a translated version of the approximation image. A non-linear modification is applied to the values of the translation difference image (s) and at least one enhanced center difference image at a specific scale is computed by combining the modified translation difference images at that scale or a smaller scale with weights W | 09-02-2010 |
| 20100195886 | Method of Generating a Multiscale Contrast Enhanced Image - At least one approximation image is created of the image at one or multiple scales. Translation difference images are created by pixel-wise subtracting the values of an approximation image at scale s and the values of a translated version of the approximation image. A non-linear modification is applied to the values of the translation difference image (s) and at least one enhanced center difference image at a specific scale is computed by combining the modified translation difference images at that scale or a smaller scale with weights w | 08-05-2010 |
| 20100189375 | Method and System for Changing Image Density and Contrast - At least one of two enhancement methods for changing contrast and/or density are applied to an image. According to a first enhancement method the window width/level settings of the image are modified and according to a second enhancement method density and contrast of the image are modified by modifying a multi-scale representation of the image whereby modification is derived from at least two gradient functions determined at different scales, a gradient function at a specific scale specifying the dependency of contrast amplification at said scale as a function of density. The amount of modification obtained by applying either of said first and second enhancement methods is determined by the amount of movement of at least one indicium. | 07-29-2010 |
| 20100189320 | Method of Segmenting Anatomic Entities in 3D Digital Medical Images - For each of a number of landmarks in an image an initial position of the landmark is defined. Next a neighborhood around the initial position comprising a number of candidate locations of the landmark, is sampled and a cost is associated with each of the candidate locations. A cost function expressing a weighted sum of overall gray level cost and overall shape cost for all candidate locations is optimized. A segmented anatomic entity is defined as a path through a selected combination of candidate locations for which combination the cost function is optimized. During optimization towards the optimal segmented surface/volume graph traversal methods are exploited. | 07-29-2010 |
| 20100149543 | Method and System for Optical Coherence Tomography - A method and to a corresponding system for optical coherence tomography, light, with which a specimen ( | 06-17-2010 |
| 20100135554 | Method and Apparatus for Determining Medical Image Position - A method and a corresponding apparatus for determining a position in an image, in particular a medical image enables a reliable determination of positions of interest in images of a variety of structures by displaying a volume rendering of image data acquired from an object, in particular a patient, pointing at a structure of interest displayed in the volume rendering of the image data, generating a viewing ray profile comprising information characterizing a ray running through said structure of interest, selecting a contextual profile from various contextual profiles, each of said contextual profiles comprising a representative ray profile representing a viewing ray profile of a structure, in particular an anatomical structure, and comprising profile information, and determining a position within said structure of interest based on said profile information of said selected contextual profile in the case that the representative ray profile of said selected contextual profile is matching with at least a part of said viewing ray profile. | 06-03-2010 |
| 20100104151 | Method for Deriving Amount of Dense Tissue from Mammographic Image - A region of interest in the image is determined and for each pixel in each location (x,y) in that region of interest a value h | 04-29-2010 |
| 20100097616 | System and Method for Optical Coherence Tomography - The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer ( | 04-22-2010 |
| 20100091295 | System and Method for Optical Coherence Tomography - The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer ( | 04-15-2010 |
| 20100067022 | System for Optical Coherence Tomography - The invention relates to a system for optical coherence tomography having an interferometer ( | 03-18-2010 |
| 20100046814 | Method for Mass Candidate Detection and Segmentation in Digital Mammograms - A basic component of Computer-Aided Detection systems for digital mammography comprises generating candidate mass locations suitable for further analysis. A component is described that relies on filtering either the background image or the complementary foreground mammographic detail by a purely signal processing method on the one hand or a processing method based on a physical model on the other hand. The different steps of the signal processing approach consist of band-pass filtering the image by one or more band pass filters, multidimensional clustering, iso-contouring of the distance to centroid of the one or more filtered values, and finally candidate generation and segmentation by contour processing. The physics-based approach also filters the image to retrieve a fat-corrected image to model the background of the breast, and the resulting image is subjected to a blob detection filter to model the intensity bumps on the foreground component of the breast that are associated with mass candidates. | 02-25-2010 |
| 20100033726 | System and Method for Optical Coherence Tomography - The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer ( | 02-11-2010 |
| 20100027029 | System and Method for Optical Coherence Tomography and Method for Calibrating Said Type of System - The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer ( | 02-04-2010 |
| 20100027024 | System and Method for Optical Coherence Tomography - The invention relates to a system and to a corresponding method for optical coherence tomography having a light source ( | 02-04-2010 |
| 20100027021 | System for Optical Coherence Tomography - The invention relates to a system for optical coherence tomography having an interferometer ( | 02-04-2010 |
| 20100027020 | System and Method for Optical Coherence Tomography - The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer ( | 02-04-2010 |
| 20090294707 | Apparatus for Reading out X-Ray Information Stored in Storage Phosphor Plates - An apparatus ( | 12-03-2009 |
| 20090294706 | Apparatus for Reading out X-Ray Information Stored in Storage Phosphor Plates - An apparatus ( | 12-03-2009 |
| 20090287741 | System and method for generating evaluation data - The invention relates to a system ( | 11-19-2009 |
| 20090164669 | Method for Setting Up Data Link Between Medical Appliances and Computer System - A method and system of setting up a data link between medical appliances (M | 06-25-2009 |
| 20090052631 | System and Method for Information Embedding and Extraction in Phantom Targets for Digital Radiography Systems - A system and method for embedding in a phantom target used in digital radiography systems information specific to the phantom target, such as serial number, phantom target type, precision landmarks, composition, physical properties of the dedicated targets and the like. The information is encoded and represented by small holes in the phantom target that can easily and unambiguously be detected by decoding-software acting on the radiation image of the phantom target. A look-up table or any other flexible data structure defines the functionality of the holes detected based on their image-location. Regions of interest can be located based on an internal coordinate system defined accurately by the sub-pixel position of the hole centres. | 02-26-2009 |
| 20090002366 | Method and Apparatus for Volume Rendering of Medical Data Sets - A method and a corresponding apparatus for volume rendering of medical data sets comprises a display ( | 01-01-2009 |
| 20080288429 | Adaptable Clinical Workflow - Method of generating a number of steps constituting an adaptable clinical workflow based on a recursive approach in which for each step of the workflow the following steps are executed: Selecting a number of knowledge bases to be included in a reasoning step on the basis of (a) goal(s), generating (a) query(ies) taking into account the goal(s), applying the selected knowledge bases and the generated queries to a reasoning engine so as to generate a solution, interpreting this solution by translating the solution given in a formal representation into (an) executable action(s) for the current step in the clinical workflow. | 11-20-2008 |
| 20080273667 | Scatter-Poor Dosimeter Support Device and Method of Operation - An apparatus and method for an X-ray dosimeter support, comprises of a material-poor support-layer, held by a frame elevated by at least one foot, comprising optimization for low back-scatter, high measurement-repeatability and ease of assembly and disassembly. | 11-06-2008 |
| 20080251708 | Method of Determining Sensitivity of Radiation Detector - Each of the detectors of a detector inventory are subjected to an identical flat field exposure to generate a radiation mage in each of the detectors, from the radiation images the overall field distribution is determined and neutralized in the images, next the sensitivity is determined. | 10-16-2008 |
| 20080219539 | Method for Neutralizing Image Artifacts Prior to Determination of Signal-to-Noise Ratio in CR/DR Radiography Systems - A method for neutralizing the non-noise correlated, multiplicative image-artifacts introduced by the X-ray exposure, the detector or the digitizer prior to the determination of the Signal-to-Noise Ratio or the (Normalized) Noise Power Spectrum in CR/DR radiography systems. This method uses statistical techniques and the photon-noise physical model to correct the raw, digital image-data obtained in the selected region of interest (roi) for evaluation during quality control (QC). | 09-11-2008 |
