G06T2207/20212

X-ray imaging apparatus
11706379 · 2023-07-18 · ·

In an X-ray imaging apparatus (100), an image processor (5b) is configured to apply a super-resolution process to a first region (A1) in each of acquired images (Ia), the first region including a subject (S), and to increase a number of pixels according to an increase in resolution in the first region by application of the super-resolution process thereto by a simpler process than the super-resolution process with respect to a second region (A2) other than the first region in each of the acquired images.

Methods and apparatus for detecting injury using multiple types of magnetic resonance imaging data

Methods and apparatus for evaluating an impact of injury to brain networks or regions are provided. The method comprises receiving MRI data of a brain of an individual, including a first volumetric dataset recorded using first imaging parameters and a second volumetric dataset recorded using second imaging parameters, combining, on a voxel-by-voxel basis, first MRI data based on the first volumetric dataset and second MRI data based on the second volumetric dataset to produce a volumetric injury map, performing a structural-functional analysis of one or more brain networks or regions by refining the volumetric injury map using a volumetric eloquence map that specifies eloquent brain tissue within the one or more brain networks or regions to determine an impact of injury within the one or more brain networks or regions, and displaying a visualization of the determined impact of injury within the one or more brain networks or regions.

Image generation apparatus, image generation method, and program

Provided is an image generation technology capable of suppressing unpleasantness associated with fluctuation in image quality caused by the viewer's viewpoint movement. A synthesis ratio determination unit of an image generation apparatus includes: an image quality evaluation index calculation unit that generates a synthesis image J.sub.1 from an observation viewpoint image I.sub.1 and an intermediate viewpoint image I.sub.2, and a synthesis image J.sub.3 from an observation viewpoint image I.sub.3 and an intermediate viewpoint image I.sub.2, for a plurality of synthesis ratios, calculates an image quality evaluation index in an observation viewpoint V.sub.1, an image quality evaluation index in an intermediate viewpoint V.sub.2, and an image quality evaluation index in an observation viewpoint V.sub.3 by using the synthesis images J.sub.1 and J.sub.3, and calculates a variation v of an image quality evaluation index by using the image quality evaluation index in the observation viewpoint V.sub.1, the image quality evaluation index in the intermediate viewpoint V.sub.2, and the image quality evaluation index in the observation viewpoint V.sub.3; and an image quality evaluation index comparison unit that determines a synthesis ratio A based on the variation v of the image quality evaluation index.

FRONT-END SCALER CIRCUIT FOR PROCESSING DEMOSAICED IMAGE DATA
20230230200 · 2023-07-20 ·

Embodiments relate to a front-end scaler circuit configured to receive and process demosaiced image data in different modes depending on if the demosaiced image data was demosaiced from Bayer or Quad Bayer raw image data. The front-end scaler circuit shares memory with a demosaicing circuit, and is configured to perform different operations that use different amounts of the shared memory based on the original image format of the demosaiced image data being processed, to compensate for additional memory utilized by the demosaicing circuit when demosaicing certain types of image data. For example, when processing image data demosaiced from Quad Bayer image data, the front-end scaler circuit discards a portion of the chrominance component data for the received image data before performing chromatic suppression, compared to when processing image data demosaiced from Bayer image data.

IMAGING SYSTEM AND METHOD FOR IMAGING OBJECTS WITH REDUCED IMAGE BLUR

An imaging device is presented for use in an imaging system capable of improving the image quality. The imaging device has one or more optical systems defining an effective aperture of the imaging device. The imaging device comprises a lens system having an algebraic representation matrix of a diagonalized form defining a first Condition Number, and a phase encoder utility adapted to effect a second Condition Number of an algebraic representation matrix of the imaging device, smaller than said first Condition Number of the lens system.

IMAGE REGISTRATION PERFORMANCE ASSURANCE

In an approach for image registration performance assurance by optimizing system configurations, a processor evaluates alignment of a registered image and a fixed image using a pre-trained learning model. The registered image is generated with a first registration method. A processor provides a reward score to the alignment, the reward score being defined as a higher score indicating a better alignment. A processor generates a registration status represented as a feature vector that contains information about how the registered and fixed images are aligned. A processor determines a second registration method based on the reward score, the feature vector, and the first registration method.

SYSTEMS AND METHODS TO PROCESS ELECTRONIC IMAGES TO PROVIDE BLUR ROBUSTNESS
20230010654 · 2023-01-12 ·

A computer-implemented method for processing electronic medical images, the method including receiving a plurality of electronic medical images of a medical specimen. Each of the plurality of electronic medical images may be divided into a plurality of tiles. A plurality of sets of matching tiles may be determined, the tiles within each set corresponding to a given region of a plurality of regions of the medical specimen. For each tile of the plurality of sets of matching tiles, a blur score may be determined corresponding to a level of image blur of the tile. For each set of matching tiles, a tile may be determined with the blur score indicating the lowest level of blur. A composite electronic medical image, comprising a plurality of tiles from each set of matching tiles with the blur score indicating the lowest level of blur, may be determined and provided for display.

Scatter correction for computed tomography imaging
11698349 · 2023-07-11 · ·

Systems and methods for scatter correction of x-ray images are provided. A scatter image of an object can be corrected using partial-scatter free images acquired using an aperture plate. The plate is positioned between an object and a radiation detector and includes apertures in a grid. The original x-rays pass through the apertures and scattered x-rays can be blocked by the aperture plate. The aperture plate can be moved to different positions, allowing partial scatter-free images to be acquired at each position of the aperture plate. A full scatter-free image can be generated by combining partial scatter-free images. The scatter and scatter-free images can be further used to train scatter correction models.

IMAGE GENERATION DEVICE, IMAGE GENERATION METHOD, AND STORAGE MEDIUM STORING PROGRAM
20230214975 · 2023-07-06 · ·

An image generation device includes: at least one memory storing a set of instructions; and at least one processor configured to execute the set of instructions to: select a second face image from a plurality of face images stored in advance based on directions of faces included in the plurality of face images and a direction of a face included in an input first face image; deform the second face image based on feature points of the face included in the first face image and feature points of a face included in the second face image such that a face region of the second face image matches a face region of the first face image; and generate a third face image in which the face region of the first face image is synthesized with a region other than the face region of the deformed second face image.

SYSTEMS, METHODS AND COMPUTER PROGRAMS FOR A MICROSCOPE SYSTEM AND FOR DETERMINING A TRANSFORMATION FUNCTION
20230217120 · 2023-07-06 ·

Examples relate to systems, methods and computer programs for a microscope system and for determining a transformation function, and to a corresponding microscope system. The system for the microscope system comprises one or more processors and one or more storage devices. The system is configured to obtain first imaging sensor data from a first imaging sensor of a microscope of the microscope system and second imaging sensor data from a second imaging sensor of the microscope, the first imaging sensor data comprises sensor data on light sensed in a first plurality of mutually separated wavelength bands. The second imaging sensor data comprises sensor data on light sensed in a second plurality of mutually separated wavelength bands. The wavelength bands of the first plurality of mutually separated wavelength bands or of the second plurality of mutually separated wavelength bands are wavelength bands that are used for fluorescence imaging. The system is configured to generate a composite color image based on the first imaging sensor data and based on the second imaging sensor data. The composite color image is based on a plurality of color channels. The composite color image is generated using a transformation function to define a transformation to be performed between the imaging sensor data and the composite color image, such that the composite color image is generated using sensor data on light sensed in each wavelength band of the first and second plurality of mutually separated wavelength bands.