Abstract: An information processing apparatus comprising at least one processor, wherein the processor is configured to: acquire a three-dimensional shape of a subject; derive a movement amount of a radiation source that irradiates the subject with radiation based on a difference between a predetermined reference posture and an estimated posture estimated based on the three-dimensional shape for a posture of the subject in a case of capturing a radiation image of the subject; and control the radiation source to move according to the movement amount.

Abstract: An information processing apparatus comprising at least one processor, wherein the processor is configured to: acquire at least one optical image obtained by optically imaging a subject from a first direction; estimate a position of at least one first region of interest based on the optical image; acquire a plurality of radiation images obtained by continuously performing radiography of a state in which the subject swallows a sample from the first direction; specify a second region of interest corresponding to the position of the first region of interest in the radiation image; monitor a position of the sample based on the plurality of radiation images; and change an imaging condition for the radiography based on a positional relationship between the second region of interest and the sample.

Abstract: An information processing apparatus comprising at least one processor, wherein the processor is configured to: acquire at least one optical image obtained by optically imaging a subject; acquire at least one radiation image obtained by radiography of the subject from a direction substantially the same as an imaging direction of the optical imaging; estimate a position of at least one first region of interest based on the optical image; and specify a second region of interest corresponding to the position of the first region of interest in the radiation image.

Abstract: The radiographic system includes a camera that images a subject, a processor, and a display, in which the processor recognizes whether or not arrangement of the subject in a camera image captured using the camera matches arrangement of the subject in the imaging menu, and displays a first display mode for indicating presence of a result of the recognition, and displays a second display mode for displaying a content of the recognition result in a case of receiving an explicit display request for the recognition result, on the display.

Abstract: An imaging failure image management apparatus includes a processor that executes data set acquisition processing of acquiring a data set including the radiation image input to a first imaging failure determination device, which is configured by a machine learning model and is mounted on the radiography apparatus, and a determination result output from the first imaging failure determination device, display control processing of performing control of displaying the data set on a display screen, correction processing of performing a correction for the determination result in a case in which a correction instruction for the determination result of the displayed data set is input, and training processing of training a second imaging failure determination device, which is replaceable with the first imaging failure determination device, by using a data set selected from among the displayed data sets as training data.

Abstract: An information processing device is configured to execute: distance image acquisition processing of acquiring a distance image generated by imaging an imaging range including a subject and a detection surface with a distance image capturing device; detection surface region search processing of searching the distance image for a detection surface region where a part of the detection surface exists; first distance acquisition processing of acquiring a distance to the detection surface region that has been searched for, as a first distance from the distance image capturing device to the detection surface, based on the distance image; second distance acquisition processing of acquiring a distance from the distance image capturing device to the subject as a second distance based on the distance image; and body thickness derivation processing of deriving a difference between the first distance and the second distance as a body thickness of the subject.

Abstract: Provided is a learning device that trains a machine learning model. The learning device includes a processor and a memory, in which the processor generates a plurality of pseudo images, which are pseudo images of a human body generated based on a human body model composed of three-dimensional computer graphics data and imitate an examination subject in a state of being positioned with respect to a medical imaging apparatus, for each combination of an imaging part and an imaging direction, and trains the machine learning model using a plurality of teacher data composed of the generated pseudo image and correct answer data of the combination.

Abstract: A CPU of an imaging management device has a status recognition unit, an entrance control unit, a speaker control unit, and a monitor control unit. The status recognition unit acquires progress status information indicating a progress status of radiography at each of the plurality of radiography rooms, such as subject position information indicating a position of a subject in the radiography room. The entrance control unit performs entrance control of the subject into the radiography room based on the progress status information. The speaker control unit and the monitor control unit perform output control of guide voice and guide information regarding imaging toward the subject. The entrance control by the entrance control unit and the output control by the speaker control unit and the monitor control unit are performed, thereby shifting the timing of the radiography at the plurality of radiography rooms.

Abstract: A CPU of a console includes a status recognition unit and a projector controller. The status recognition unit acquires subject position information, an adjustment end signal, and an irradiation end signal, which are progress status information indicating a progress status of radiography. The projector controller performs control of causing a projector to project guide information which is related to imaging aimed at a subject, the guide information corresponding to the progress status information, onto a preset projection surface of a radiography room.

Abstract: A first acquisition unit acquires an optical image in which both an electronic cassette in which a detection panel for detecting radiation is built in a portable housing and a subject facing radiography using the electronic cassette are shown, from a camera. A first demarcation unit demarcates a detection region of the radiation by the detection panel, the detection region being determined in accordance with a position of the electronic cassette, in the optical image. A second demarcation unit demarcates an imaging region which is a region to be imaged in the radiography, the imaging region being determined in accordance with a position of the subject, in the optical image. A display controller performs control of displaying a frame indicating the detection region and a frame indicating the imaging region on a touch panel display in a manner of being superimposed on the optical image.

Abstract: A radiography system includes a radiation source that irradiates a subject with radiation, a camera, and a console. The camera is provided in the radiation source. The camera images the subject irradiated with illumination light that is, light having uniform brightness, to output an optical image. A CPU of the console has a first acquisition unit and a derivation unit. The first acquisition unit acquires the optical image from the camera. The derivation unit derives spinal column shape information representing a shape of a spinal column of the subject based on the optical image.

Abstract: A CPU of a console includes a first acquisition unit, a second acquisition unit, a specifying unit, and an extraction unit. The first acquisition unit acquires designation information of a measurement target part of a bone density of a subject. The second acquisition unit acquires an optical image obtained by imaging the subject facing radiography with a camera. The specifying unit specifies a region of the measurement target part in the optical image based on the designation information. The extraction unit extracts a region in a radiation image corresponding to the region of the measurement target part as a measurement region of the bone density based on correspondence relationship information between pixels of the radiation image and pixels of the optical image.

Abstract: A radiography system includes a radiation source that emits radiation, an electronic cassette that receives the radiation and detects a radiographic image, a portable first retainer that holds the electronic cassette, a string that is attached to the first retainer, and a camera that images the string. The first retainer includes a lock portion and a movable portion as an inclination change mechanism that can change an inclination of the electronic cassette with respect to the radiation source. The string and the camera constitute a first detection mechanism that detects an inclination of the electronic cassette about an X-axis which intersects a Z-axis and is directed toward the radiation source in a case in which a radiation detection surface of the electronic cassette and the radiation source are disposed to face each other.

Abstract: A radiography apparatus includes an upright imaging stand that is used for radiography on a subject, a camera as a detection sensor that immediately detects a state of the subject with respect to the upright imaging stand, a tablet terminal, and a reflective member. The tablet terminal displays a notification screen including an image output from the camera. The reflective member reflects the notification screen such that the subject facing the upright imaging stand visually recognizes the image.

Abstract: A radiography system includes: a radiation source that emits radiation; an imaging stand having a detection panel that generates a radiation image by detecting the radiation; a lifting device on which a subject to be examined is placed; a misalignment amount detection device that detects a relative misalignment amount between the imaging stand and the subject to be examined; and a lifting control device that lifts and lowers the lifting device on the basis of the misalignment amount detected by the misalignment amount detection device.

Abstract: An imaging support device used in a radiography apparatus including a radiation source and a radiation image detector that detects a radiation image of a subject on the basis of radiation emitted from the radiation source and transmitted through the subject, and includes an optical camera that outputs an optical image by optically imaging a region including an irradiation field of the radiation applied to the subject from the radiation source, and at least one processor, in which the processor executes a determination process of determining a possibility of reimaging in a case where radiography is performed on the basis of the optical image acquired by the optical camera before start of the radiography by using a trained model that has learned a relationship between the optical image captured during the radiography and a necessity of recapturing the radiation image that is captured during the radiography.

Abstract: An imaging support device used in a radiography apparatus including a radiation source and a radiation image detector that detects a radiation image of a subject on the basis of radiation emitted from the radiation source and transmitted through the subject, and includes an optical camera that optically images a region including an irradiation field of the radiation applied to the subject from the radiation source, and at least one processor. The processor acquires, as a first optical image, an optical image indicating the subject in the region by causing the optical camera to perform imaging in conjunction with radiography performed by the radiography apparatus, and stores a radiation image acquired through the radiography and the first optical image in a storage unit in association with each other.

Abstract: A medical imaging system includes an imaging unit that obtains a medical image or data used for generating the medical image by imaging a subject, a processor that stores positioning data for specifying arrangement of the subject with respect to the imaging unit, and a display unit that three-dimensionally displays the arrangement of the subject with respect to the imaging unit by using the positioning data in a case where the subject is imaged using the imaging unit.

Abstract: A medical support device includes a processor, in which the processor acquires instruction examination information regarding a type of examination determined by a medical staff, acquires inquiry information generated by voice in an inquiry, acquires correspondence information in which inquiry information and performance examination information regarding the type of examination to be performed are associated with each other in advance, generates estimated examination information in which the type of examination to be performed is estimated based on the inquiry information and the correspondence information, generate a result of comparison of the instruction examination information and the estimated examination information, and controls a notification based on the result of comparison.

Abstract: The radiographic system includes a camera that images a subject, a processor, and a display, in which the processor recognizes whether or not arrangement of the subject in a camera image captured using the camera matches arrangement of the subject in the imaging menu, and displays a first display mode for indicating presence of a result of the recognition, and displays a second display mode for displaying a content of the recognition result in a case of receiving an explicit display request for the recognition result, on the display.