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: A positioning imaging device images the subject facing a radiation detection unit to obtain a positioning image of the subject. An imaging menu selection unit selects an imaging menu corresponding to the positioning image from one or a plurality of imaging menus registered in advance in an imaging menu registration memory. A system control unit performs imaging control on a radiation source or the radiation detection unit according to the imaging menu selected by the imaging menu selection unit.

Abstract: The radiography apparatus includes a radiation source that generates radiation, a radiography unit, a display, and a processor. The processor images an object using radiation, analyzes a radiographic image to determine the radiographic image, whose capture is determined to have failed, to be a failure and to decide an imaging failure reason, which is a reason for the determination, and correction information for eliminating the imaging failure reason, and displays the correction information on the display. The radiography system includes the radiography apparatus.

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: A reconfiguration unit sequentially generates a plurality of tomographic images on each of a plurality of tomographic planes of a subject by reconfiguring a plurality of projection images corresponding to each of a plurality of radiation source positions. A determination unit determines whether or not at least one of the tomographic images is visually recognized by an operator. A transmission unit transmits the plurality of tomographic images to an external apparatus in a case where it is determined that at least one of the tomographic images is visually recognized by the operator.

Abstract: Provided are a learning data creation support apparatus, a learning data creation support method, and a learning data creation support program that create learning data required for learning without performing a complicated operation. Image-before-biopsy acquisition means acquires, as an image before biopsy, an image of a biopsy target part of a patient captured at a date and time within a predetermined range before an examination date and time of the biopsy. In a case in which a biopsy result indicated by biopsy data indicates a lesion, registration means registers a lesion candidate obtained by performing an image analysis process for the image before biopsy as correct answer data.

Abstract: Provided is a technique that generates learning data required for learning without performing a complicated operation. Candidate positions of a plurality of lesion candidate region images obtained by performing an image analysis process for a medical image are displayed on schematic diagrams of a human body. Lesion candidate region images other than a lesion candidate region image corresponding to a denied candidate position where a denial operation has been received are registered as correct answer data or the lesion candidate region images corresponding to confirmed candidate positions where a confirmation operation has been received are registered as the correct answer data.

Abstract: Provided are a learning data creation support apparatus, a learning data creation support method, and a learning data creation support program that create learning data required for learning without performing a complicated operation. Image-before-biopsy acquisition means acquires, as an image before biopsy, an image of a biopsy target part of a patient captured at a date and time within a predetermined range before an examination date and time of the biopsy. In a case in which a biopsy result indicated by biopsy data indicates a lesion, registration means registers a lesion candidate obtained by performing an image analysis process for the image before biopsy as correct answer data.

Abstract: Provided is a technique that generates learning data required for learning without performing a complicated operation. Candidate positions of a plurality of lesion candidate region images obtained by performing an image analysis process for a medical image are displayed on schematic diagrams of a human body. Lesion candidate region images other than a lesion candidate region image corresponding to a denied candidate position where a denial operation has been received are registered as correct answer data or the lesion candidate region images corresponding to confirmed candidate positions where a confirmation operation has been received are registered as the correct answer data.

Abstract: An image display system, radiation imaging system, image display control program and image display control method, which make the position of an object of interest easier to perceive, are provided. A tomographic image generation section generates a tomographic image DG. A nipple height specification section specifies the height of a nipple P as measured from an imaging plane on the basis of the generated tomographic image DG. An image display control section controls displays at a display, via an interface section, such that an information image IG is displayed together with the generated tomographic image DG. The information image IG indicates the height of the nipple P and the slice height of the tomographic image DG that is being displayed.

Abstract: A radiography system includes an imaging controller, a reconstruction processor, a process sequence controller and a display section. The imaging controller controls a radiation source to move in a range of a designated sweep angle and project X-rays at different angles to an imaging subject, while controlling a flat panel detector to acquire a set of projection images. The reconstruction processor uses the set of projection images to produce a plurality of tomographic images for use in diagnosis. The process sequence controller determines a parameter for sorting the plurality of tomographic images into first and second groups according to the sweep angle of the radiation source so as the first group of tomographic images to be produced prior to the second group of tomographic images. The display section displays at least the first group of tomographic images.

Abstract: An estimated exposure dose calculator calculates an estimated exposure dose, which is an estimate of an exposure dose of a subject by irradiation of radiation, on the basis of the image capturing conditions after the image capturing conditions are set and prior to the radiation imaging. An exposure dose output unit outputs the calculated estimated exposure dose to the outside.

Abstract: In the present invention, in a case where a display unit is capable of displaying either multiple tomographic images or at least one plain image of a subject, a display control unit switches the display on the display unit to the display of tomographic images in sequence or to the display of a plain image.