Abstract: An image processing apparatus includes a hardware processor that: calculates a representative signal value in a region where no signal value variations attributable to dynamic states of an object are present, in each of a plurality of frame images acquired by consecutively applying radiation onto the object a plurality of times, and extracts high-frequency components of changes over time in the calculated representative signal values; and corrects signal value variations attributable to a fact that an irradiation amount varies each time the radiation is applied, by subtracting the extracted high-frequency components from the plurality of frame images, respectively, or dividing the plurality of frame images by the extracted high-frequency components, respectively.

Abstract: An image processing apparatus includes a hardware processor that: calculates a representative signal value in a region where no signal value variations attributable to dynamic states of an object are present, in each of a plurality of frame images acquired by consecutively applying radiation onto the object a plurality of times, and extracts high-frequency components of changes over time in the calculated representative signal values; and corrects signal value variations attributable to a fact that an irradiation amount varies each time the radiation is applied, by subtracting the extracted high-frequency components from the plurality of frame images, respectively, or dividing the plurality of frame images by the extracted high-frequency components, respectively.

Abstract: A radiographic image capturing system includes the following. A capturing stand includes a holder to hold radiographic image capturing devices. A radiation irradiator is able to irradiate the radiographic image capturing devices at once. An image processor generates images based on image data acquired by the radiographic image capturing devices. The image processor removes a structural component derived from the front radiographic image capturing device, on the basis of a calibration image and the generated image. The calibration image is preliminarily generated based on the image data acquired by the rear radiographic image capturing device with no subject disposed. The generated image is generated based on the image data acquired by the rear radiographic image capturing device during actual image capturing. The image processor removes a streaky component residing in the generated image.

Abstract: A radiographic image capturing system includes the following. A capturing stand includes a holder to hold radiographic image capturing devices. A radiation irradiator is able to irradiate the radiographic image capturing devices at once. An image processor generates images based on image data acquired by the radiographic image capturing devices. The image processor removes a structural component derived from the front radiographic image capturing device, on the basis of a calibration image and the generated image. The calibration image is preliminarily generated based on the image data acquired by the rear radiographic image capturing device with no subject disposed. The generated image is generated based on the image data acquired by the rear radiographic image capturing device during actual image capturing. The image processor removes a streaky component residing in the generated image.

Abstract: An image processing system automatically generates a seamless and continuous developed still image with little distortion by creating a developed diagram in the circumferential direction of a tube from one frame of a video image of an inner wall of a tubular object photographed by a video camera while moving in the axial direction of the tubular object and stitching the developed diagrams with each other in the longitudinal direction (i.e., on a central axis) of the tube by mosaic processing.

Abstract: An image processing system automatically generates a seamless and continuous developed still image with little distortion by creating a developed diagram in the circumferential direction of a tube from one frame of a video image of an inner wall of a tubular object photographed by a video camera while moving in the axial direction of the tubular object and stitching the developed diagrams with each other in the longitudinal direction (i.e., on a central axis) of the tube by mosaic processing.