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: 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 includes at least one processor, in which the processor is configured to perform diagnosis support processing on one medical image and derive a plurality of diagnosis support processing results, present selection information for allowing a user to select at least one diagnosis support processing result among the plurality of derived diagnosis support processing results, and output a diagnosis support processing result selected by the user according to the selection information.

Abstract: An image diagnosis support device includes: a CAD processing unit that performs computer-aided diagnostic processing on a medical image; a communication unit that receives the medical image from an external device and transmits information including a result of the computer-aided diagnostic processing by the CAD processing unit to the external device; a power supply unit that supplies power from a battery to the CAD processing unit and the communication unit; and a housing that accommodates the CAD processing unit, the communication unit, and the power supply unit and is portable by a user.

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 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 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 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: An acquisition unit of an image processing device acquires a radiographic image which includes a patient and markers including lead plates and has been captured in a state in which the markers are disposed at a first position between a radiation source and the patient and a second position between a radiation detector and the patient, the subject being interposed between the first and second positions. An image processing unit calculates a correction magnification for setting a part of interest in the patient included in the radiographic image to a set dimension, on the basis of sizes of images of a plurality of the markers included in the radiographic image and an actual size of the markers, and changes a size of the radiographic image according to the correction magnification.

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: The medical image processing apparatus includes a first processor, a second processor that executes image processing on a medical image in response to an instruction from the first processor, and a battery that supplies power to the first processor and the second processor. The second processor executes the image processing with a selected processing method among a plurality of processing methods that are different in amount of power consumption.

Abstract: A console includes a CPU and a GPU. Of the CPU and GPU, the CPU acquires an image to be processed, which is an object to be subjected to a support process that is a diagnosis support process or an imaging support process, and distributes a process to any one of the CPU, the GPU, or another GPU to execute the support process according to the content of the support process executed for the image to be processed.

Abstract: A console of a mobile radiography apparatus includes a CPU that acquires a fluoroscopic image captured by a radiation detector and a visible light image captured by a visible light camera as a moving image related to the capture of the fluoroscopic image of a subject by the mobile radiography apparatus. The CPU extracts a frame to be subjected to a support process, which is a diagnosis support process or an imaging support process, from the moving image. A GPU executes the support process for the extracted frame.

Abstract: A console includes a CPU that acquires an image to be processed which is an object to be subjected to a support process that is a diagnosis support process or an imaging support process and selects a support process to be applied to the image to be processed from a plurality of processes of the support process on the basis of a part of a subject which is included in the image to be processed.

Abstract: A first sensor panel, a second sensor panel, a first circuit unit, and a second circuit unit are accommodated in a conductive housing of an electronic cassette. Of circuit substrates included in the first and second circuit units, a control substrate having a control circuit for controlling the operation of each of the first and second sensor panels is fixed to an inner surface of the housing through a metal spacer. The first and second sensor panels are attached to a front surface of a base. The base is fixed to the inner surface of the housing through a resin adhesive.

Abstract: A first power supply unit supplies power to a first sensor panel and a first circuit unit. A second power supply unit supplies power to a second sensor panel and a second circuit unit. A synchronizing signal supply unit of a control unit supplies a synchronizing signal for synchronizing the operations of a switching power supply of the first power supply unit and a switching power supply of the second power supply unit to the switching power supply of the first power supply unit and the switching power supply of the second power supply unit. Since the operations of the first and second power supply units are the same in each imaging operation, it is possible to ensure the reproducibility of an X-ray image.

Abstract: An electronic cassette has a configuration in which a first sensor panel and a second sensor panel are sequentially arranged in a thickness direction. The first sensor panel includes a first light detection substrate and a first scintillator. The periphery of the first scintillator is covered by a moisture-proof sealing layer. The sealing layer is made of a conductive material. The sealing layer is connected to the inner surface of a housing made of a conductive material through a connection portion. Therefore, the sealing layer has the same potential as the ground potential of the housing which is a reference potential and functions as a conductor layer.