Abstract: A processing device is provided for processing an image obtained by imaging the inside of the oral cavity for use in diagnosis of the inside of the oral cavity. The processing device includes at least one processor. The at least one processor performs processing for acquiring one or more determination images of a subject through a camera for capturing an image of the subject including at least a part of a user's oral cavity, determining a possibility of contracting a predetermined disease based on a trained determination model stored in a memory to determine the possibility of contracting the predetermined disease and the one or more acquired determination images, and outputting information indicating the determined possibility of contracting the predetermined disease.

Abstract: An image interpretation support apparatus includes an acquisition unit, an acceptance unit, and a specifying unit. The acquisition unit acquires a two-dimensional standard image having information on a breast, and a plurality of tomographic images in a plurality of tomographic planes of the breast which are obtained by tomosynthesis imaging of the breast. The acceptance unit accepts a selection instruction of a location on the two-dimensional standard image. In a case where the selection instruction is accepted in the acceptance unit, the specifying unit specifies a corresponding tomographic plane corresponding to a selected location which is the location of which the selection instruction is accepted in the acceptance unit, from among the plurality of tomographic planes on the basis of the plurality of tomographic images.

Abstract: A control apparatus including at least one processor that is configured to: capture a low-energy image by a radiography apparatus by emitting radiation having first energy to a subject into which a contrast medium has been injected, and then sequentially acquires each of a plurality of high-energy images captured by the radiography apparatus at different timings by emitting radiation having second energy higher than the first energy to the subject into which the contrast medium has been injected, sequentially derive a body movement amount of the subject from each of the plurality of high-energy images, and perform, in a case in which the derived body movement amount exceeds a threshold value, control of causing the radiography apparatus to re-capture the low-energy image before a next high-energy image is captured.

Abstract: An image processing apparatus includes at least one processor that is configured to: acquire a low-energy image captured by a radiography apparatus by emitting radiation having first energy to a subject into which a contrast medium has been injected, and a plurality of high-energy images captured by the radiography apparatus by emitting radiation having second energy higher than the first energy at a plurality of different imaging timings after the injection of the contrast medium, and generate a second difference image showing a difference between a plurality of first difference images showing a difference of the low-energy image and each of the plurality of high-energy images to remove a pixel value corresponding to the contrast medium that has permeated outside a region of interest.

Abstract: An information processing apparatus includes at least one processor that is configured to: acquire a low-energy image captured by a radiography apparatus by emitting radiation having first energy to a subject into which a contrast medium has been injected, and each of a plurality of high-energy images captured by the radiography apparatus at different timings by emitting radiation having second energy higher than the first energy to the subject into which the contrast medium has been injected, and generate a plurality of difference images showing a difference between the low-energy image and each of the plurality of high-energy images.

Abstract: An image processing apparatus including: at least one processor that is configured to: acquire a low-energy image captured by a radiography apparatus by emitting radiation having first energy to a subject into which a contrast medium has been injected, and a high-energy image captured by the radiography apparatus by emitting radiation having second energy higher than the first energy to the subject into which the contrast medium has been injected, generate a difference image showing a difference between the low-energy image and the high-energy image, perform image processing of enhancing the contrast medium shown in the difference image, and display a difference image after the image processing and contrast amount information about a contrast amount of a difference image before the image processing.

Abstract: A control apparatus includes at least one processor that is configured to: acquire an elapsed time from injection of a contrast medium into a subject for which a radiation image is captured by a radiography apparatus, acquire a low-energy image captured by the radiography apparatus by emitting radiation having first energy to the subject into which the contrast medium has been injected, and a high-energy image captured by the radiography apparatus by emitting radiation having second energy higher than the first energy to the subject into which the contrast medium has been injected, generate a difference image showing a difference between the low-energy image and the high-energy image, and identify whether or not to perform re-capturing of the high-energy image of the subject, based on an analysis result about a contrast amount, which is performed on the difference image, and the elapsed time.

Abstract: An image processing apparatus acquires a first low-energy image and a first high-energy image captured in a state in which a grid for removing scattered rays is inserted between a radiation source and a radiation detector, and the radiation source is disposed at a first position at which an incidence direction of radiation is a normal direction with respect to the grid, acquires a second low-energy image and a second high-energy image captured in a state in which the grid retreats from between the radiation source and the radiation detector, and the radiation source is disposed at a second position, estimates a thickness of the subject from the first low-energy image and the first high-energy image, and generates a difference image indicating a difference between the second high-energy image and the second low-energy image from the second low-energy image and the second high-energy image based on the thickness.

Abstract: A processor of an image processing device acquires a low-energy image captured by irradiating an object, into which a contrast medium has been injected, with radiation having first energy emitted from a radiation source and detecting the radiation with a radiation detector, a high-energy image captured by irradiating the object with radiation having second energy higher than the first energy emitted from the radiation source and detecting the radiation with the radiation detector, and a first difference image indicating a difference between the high-energy image and the low-energy image, specifies an artifact region including an artifact from the first difference image, and generates a second difference image which indicates the difference between the high-energy image and the low-energy image and in which an influence of an artifact component caused by the artifact has been suppressed on the basis of the artifact region.

Abstract: A combination unit generates a plurality of composite two-dimensional images from a plurality of tomographic images acquired by performing tomosynthesis imaging on an object using different generation methods. In this case, the combination unit generates a first composite two-dimensional image having a quality corresponding to a two-dimensional image acquired by simple imaging or a second composite two-dimensional image in which a structure included in the object has been highlighted as at least one of the plurality of composite two-dimensional images.

Abstract: An image processing system comprising includes: an acquisition unit that acquires a plurality of projection images obtained by tomosynthesis imaging in which radiation is emitted from a radiation source to a breast at different irradiation angles and a projection image is captured at each irradiation angle by a radiation detector; a tomographic image generation unit that generates a plurality of tomographic images in each of a plurality of tomographic planes of the breast, from the plurality of projection images; a composite two-dimensional image generation unit that generates a composite two-dimensional image from a plurality of images selected from among the plurality of projection images and the plurality of tomographic images; an information generation unit that generates correspondence relationship information representing a correspondence relationship between a position in the composite two-dimensional image and a depth of a tomographic plane corresponding to the position; a display controller that perf

Abstract: A display control unit displays, on a display unit, at least some of a plurality of images included in each of a plurality of image sets of the same object which have been captured at different imaging dates and times and each of which consists of the plurality of images including at least a plurality of tomographic images acquired by performing tomosynthesis imaging for the object. A setting unit sets at least one past image set, which was acquired at an imaging date and time before the latest imaging date and time and includes images at least some of which have been displayed, among the plurality of image sets as having been displayed.

Abstract: An image processing device generates a tomographic image group from a plurality of projection images, inputs the generated tomographic image group to a tomographic image estimation model, which is a trained model generated by performing machine learning on a machine learning model using learning data composed of a set of correct answer data that is three-dimensional data indicating a three-dimensional structure and of a virtual tomographic image group generated from a plurality of virtual projection images, onto which the three-dimensional structure has been projected by performing pseudo-projection on the three-dimensional structure with radiation at a plurality of virtual irradiation positions using the three-dimensional data, and which receives the tomographic image group as an input and outputs an estimated tomographic image group, and acquires the estimated tomographic image group output from the tomographic image estimation model.

Abstract: An image processing device acquires a plurality of projection images, inputs the acquired plurality of projection images to a tomographic image estimation model, which is a trained model generated by performing machine learning on a machine learning model using learning data composed of a set of correct answer data that is three-dimensional data indicating a three-dimensional structure and of a plurality of virtual projection images, onto which the three-dimensional structure has been projected by performing pseudo-projection on the three-dimensional structure with radiation at a plurality of virtual irradiation positions using the three-dimensional data, and which receives the plurality of projection images as an input and outputs an estimated tomographic image group, and acquires the estimated tomographic image group output from the tomographic image estimation model.

Abstract: A CPU of a console acquires a plurality of projection images, acquires a plurality of tomographic images which are generated using the plurality of projection images and which correspond to each of a plurality of tomographic planes of a breast, performs pseudo-projection at set irradiation positions corresponding to each of the irradiation positions of the plurality of projection images, using a group of tomographic images other than a tomographic image including a reference object image indicating a reference object which is used as a reference for deriving a positional deviation amount between the projection images among the plurality of tomographic images, to generate a plurality of pseudo-projection images without a reference object which do not include the reference object image, and derives the positional deviation amount between the projection images on the basis of component-removed images which include the reference object image and which are obtained by removing components of the plurality of pseudo

Abstract: A CPU acquires projection images captured at each irradiation position in a state in which a marker is disposed and set irradiation positions set as the irradiation positions of the projection images, generates a tomographic image from the projection images using the set irradiation positions, derives the coordinates of a three-dimensional position where the marker is disposed from the tomographic image, derives a first two-dimensional position of the marker projected onto the projection plane from the set irradiation positions and the coordinates of the three-dimensional position of the marker, and estimates the irradiation positions on the basis of the first two-dimensional position and a second two-dimensional position of the marker in the projection plane which is specified from a marker image indicating the marker included in each of the projection images.

Abstract: A CPU of a console acquires a plurality of projection images, performs an optimization process on a forward projection model, which has, as parameters, an absorption coefficient assigned to each voxel of a three-dimensional model that is virtually set in a three-dimensional space in which the object is disposed and has a plurality of voxels as constituent units, an intersection length of each voxel where a path of radiation emitted at an irradiation position intersects the three-dimensional model, and an amount of movement of the object, on the basis of the projection images at each of a plurality of irradiation positions, and generates a tomographic image of the object using the optimized parameters.

Abstract: In a console according to an embodiment, a control unit functions as a generation unit that generates a tomographic image from a plurality of projection images, which have been captured by a radiation detector at each of a plurality of imaging positions with different irradiation angles, with radiation sequentially emitted from each of the plurality of imaging positions, using a reconstruction process. In addition, the control unit functions as a derivation unit that derives the degree of enhancement as a parameter value used in a frequency enhancement process which is an example of image processing for a tomographic image, on the basis of the image analysis result of a projection image corresponding to an irradiation angle of 0 degrees.

Abstract: An image acquisition unit acquires a plurality of projection images, which are generated by causing an imaging apparatus to perform tomosynthesis imaging for irradiating a subject with radiation under a first imaging condition for tomosynthesis imaging and which respectively correspond to a plurality of radiation source positions at the time of tomosynthesis imaging. A body movement determination unit determines whether or not the body movement of the subject is occurring during tomosynthesis imaging on the basis of the plurality of projection images. A condition setting unit sets a second imaging condition for simple imaging in the imaging apparatus in a case where the body movement is occurring.

Abstract: An image interpretation support apparatus includes: a reception unit that receives a selection instruction of a location on one two-dimensional standard image having information on a breast; an acquisition unit that acquires information on a corresponding tomographic plane corresponding to a selected location, which is the location of the selection instruction received by the reception unit, among plural tomographic planes of the breast, the corresponding tomographic plane being specified on the basis of plural tomographic images in the plurality of tomographic planes obtained by tomosynthesis imaging of the breast; and a generation unit that generates a schema diagram of the breast with a mark indicating the selected location on the basis of the information on the corresponding tomographic plane acquired by the acquisition unit.