Abstract: An information processing device includes a memory, and a processor configured to execute a process. The process includes acquiring a first controller model, the first controller model including information indicating a control condition based on a measurement value, and information indicating a control action defining an action of a control target when the control condition is satisfied; and outputting a second controller model, the second controller model being capable of tolerating a measurement value including a measurement error, wherein the second controller model includes information indicating a control condition based on the information indicating the control condition included in the first controller model, and information indicating a control action based on the information indicating the control condition and the information indicating the control action included in the first controller model.

Abstract: A sampling device includes a memory and a processor configured to execute selecting a control flow corresponding to each branch in a probabilistic program; optimizing the program by applying predetermined transformation rules to the program of the selected control flow by back propagation; and generating samples according to the optimized program.

Abstract: An image processing apparatus obtains target grid feature information indicating primary radiation transmittance and scattered ray transmittance of a target grid, and imaging grid feature information indicating primary radiation transmittance and scattered ray transmittance of an imaging grid that is used for imaging, and obtains a photographed image obtained through radiography that uses the imaging grid. The image processing apparatus estimates a scattered dose based on a relation between the photographed image, a primary radiation image, and a scattered ray image, the relation being expressed using the primary radiation transmittance and the scattered ray transmittance indicated by the imaging grid feature information, and adjusts a scattered dose of the photographed image based on the estimated scattered dose, the target grid feature information, and the imaging grid feature information.

Abstract: An image processing apparatus for processing a radiation image output from a radiation detection unit including a plurality of pixels, comprises: an imaging protocol obtaining unit configured to obtain an imaging protocol for imaging a subject; and a dose obtaining unit configured to obtain dose information of radiation based on a feature amount of the radiation image and information obtained from the imaging protocol.

Abstract: An image processing apparatus for processing a radiation image output from a radiation detection unit including a plurality of pixels, comprises: an imaging protocol obtaining unit configured to obtain an imaging protocol for imaging a subject; and a dose obtaining unit configured to obtain dose information of radiation based on a feature amount of the radiation image and information obtained from the imaging protocol.

Abstract: An image processing apparatus includes an estimation unit, a noise reduction unit, and an output unit. The estimation unit estimates a scattered-ray component contained in a radiation image acquired by irradiating an object with a radiation, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object. The noise reduction unit reduces a noise component included in the radiation image in accordance with first noise information obtained from the radiation image and second noise information obtained from a scattered-ray reduction image obtained by reducing the scattered-ray component from the radiation image. The output unit outputs a correction image obtained by reducing the scattered-ray component and the noise component in the radiation image.

Abstract: Provided is a radiation imaging apparatus, which is configured to acquire a radiographic image, the radiation imaging apparatus including: an evaluation unit configured to evaluate the radiographic image based on a plurality of evaluation indices; a determination unit configured to determine priorities of the plurality of evaluation indices; and an output unit configured to output propriety information regarding whether the radiographic image is proper based on evaluation results of the plurality of evaluation indices and the priorities.

Abstract: A radiographing system and a radiographing method capable of improving the image quality of a long-sized image by appropriately correcting scattered radiation are disclosed. The radiographing system includes a plurality of radiation detecting apparatuses that can detect radiation and output radiographic images, a composition processing unit configured to generate a long-sized image by composing a plurality of radiographic images acquired from the plurality of radiation detecting apparatuses, and a scattered radiation correction unit configured to perform processing for correcting scattered radiation for a radiographic image output from at least one of the plurality of radiation detecting apparatuses.

Abstract: Provided is a radiation imaging apparatus, which is configured to acquire a radiographic image, the radiation imaging apparatus including: an evaluation unit configured to evaluate the radiographic image based on a plurality of evaluation indices; a determination unit configured to determine priorities of the plurality of evaluation indices; and an output unit configured to output propriety information regarding whether the radiographic image is proper based on evaluation results of the plurality of evaluation indices and the priorities.

Abstract: An image processing apparatus includes an estimation unit, a noise reduction unit, and an output unit. The estimation unit estimates a scattered-ray component contained in a radiation image acquired by irradiating an object with a radiation, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object. The noise reduction unit reduces a noise component included in the radiation image in accordance with first noise information obtained from the radiation image and second noise information obtained from a scattered-ray reduction image obtained by reducing the scattered-ray component from the radiation image. The output unit outputs a correction image obtained by reducing the scattered-ray component and the noise component in the radiation image.

Abstract: An image processing apparatus includes an estimation unit, a noise reduction unit, and an output unit. The estimation unit estimates a scattered-ray component contained in a radiation image acquired by irradiating an object with a radiation, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object. The noise reduction unit reduces a noise component included in the radiation image in accordance with first noise information obtained from the radiation image and second noise information obtained from a scattered-ray reduction image obtained by reducing the scattered-ray component from the radiation image. The output unit outputs a correction image obtained by reducing the scattered-ray component and the noise component in the radiation image.

Abstract: A radiographing system and a radiographing method capable of improving the image quality of a long-sized image by appropriately correcting scattered radiation are disclosed. The radiographing system includes a plurality of radiation detecting apparatuses that can detect radiation and output radiographic images, a composition processing unit configured to generate a long-sized image by composing a plurality of radiographic images acquired from the plurality of radiation detecting apparatuses, and a scattered radiation correction unit configured to perform processing for correcting scattered radiation for a radiographic image output from at least one of the plurality of radiation detecting apparatuses.

Abstract: A radiation imaging system including an X-ray sensor with a plurality of sensor chips disposed next to each other and an image processing apparatus which performs abnormality determination concerning a white image obtained by irradiating the X-ray sensor with X-rays without any object disposed between the X-ray sensor and an X-ray generator, the system includes: an area acquisition unit configured to acquire information of partial areas of the white image which respectively correspond to the plurality of sensor chips; a distribution acquisition unit configured to acquire distribution information representing variation in pixel value for each of the acquired partial areas; and a determination unit configured to determine, based on the distribution information, whether abnormality is included in the white image.

Abstract: An image processing apparatus comprising: an obtaining unit configured to obtain a plurality of radiation images that have been sensed without arranging an object and include a defect, and information about the defect included in the radiation images; and a generation unit configured to generate a sensitivity correction image not including the defect based on the plurality of radiation images and the information about the defect.

Abstract: An image processing apparatus includes an estimation unit, a noise reduction unit, and an output unit. The estimation unit estimates a scattered-ray component contained in a radiation image acquired by irradiating an object with a radiation, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object. The noise reduction unit reduces a noise component included in the radiation image in accordance with first noise information obtained from the radiation image and second noise information obtained from a scattered-ray reduction image obtained by reducing the scattered-ray component from the radiation image. The output unit outputs a correction image obtained by reducing the scattered-ray component and the noise component in the radiation image.

Abstract: An image processing apparatus comprising: an obtaining unit configured to obtain a plurality of radiation images that have been sensed without arranging an object and include a defect, and information about the defect included in the radiation images; and a generation unit configured to generate a sensitivity correction image not including the defect based on the plurality of radiation images and the information about the defect.

Abstract: An image processing apparatus for processing a radiation image obtained from a radiation detector capable of releasing or accumulating electric charges for each row, comprising: a target value setting unit configured to set a target value of each pixel on a correction target row in the radiation image based on pixel values on a row adjacent to the correction target row; a pixel selection unit configured to select an effective pixel on the correction target row based on a pixel value and the target value of each pixel on the correction target row; and a correction unit configured to derive a correction coefficient using a pixel value and the target value of the effective pixel and correct the correction target row based on the correction coefficient.

Abstract: A radiation imaging system including an X-ray sensor with a plurality of sensor chips disposed next to each other and an image processing apparatus which performs abnormality determination concerning a white image obtained by irradiating the X-ray sensor with X-rays without any object disposed between the X-ray sensor and an X-ray generator, the system includes: an area acquisition unit configured to acquire information of partial areas of the white image which respectively correspond to the plurality of sensor chips; a distribution acquisition unit configured to acquire distribution information representing variation in pixel value for each of the acquired partial areas; and a determination unit configured to determine, based on the distribution information, whether abnormality is included in the white image.