# US 12,004,888 B2 · Information processing device, information processing method, and information processing program > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,888 B2 - Document ID: US12004888B2 - Status: Granted - Kind: B2 - Application number: 17/485,530 - Filed: 2021-09-27 - Published: 2022-03-31 - Granted: 2024-06-11 - Earliest claimed: 2020-09-30 - Assignees: FUJIFILM Corporation - Applicants: Fujifilm Corporation - Inventors: Yoshie Fujimoto; Shinichiro Konno; Shunsuke Kodaira - Web page: https://patentgrep.com/patent/US12004888B2 ## CPC - A61B 6/08: Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams - A61B 6/0414: {with compression means} - A61B 6/461: {Displaying means of special interest} - A61B 6/502: {for diagnosis of breast, i.e. mammography} - H04N 9/3188: {Scale or resolution adjustment (scaling in general G06T3/40; resolution modifying circuits for displays in general G09G5/391)} - H04N 9/3194: {including sensor feedback} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract An information processing device including at least one processor, wherein the processor is configured to: acquire distance information indicating a projection distance, which is a distance from an image projection unit that projects a projection image onto a projection surface of a compression member to the projection surface, in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; and control the image projection unit such that the projection image having a size corresponding to the projection distance indicated by the distance information is projected onto the projection surface in a case in which the image projection unit projects the projection image at a magnification corresponding to the projection distance. ## Claims ### Claim 1 An information processing device comprising at least one processor, wherein the processor is configured to: acquire distance information indicating a projection distance, which is a distance from an image projection unit that projects a projection image onto a projection surface of a compression member to the projection surface, in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; and control the image projection unit such that the projection image having a size corresponding to the projection distance indicated by the distance information is projected onto the projection surface in a case in which the image projection unit projects the projection image at a magnification corresponding to the projection distance; wherein the processor is configured to perform control to sequentially project a plurality of the projection images having different sizes onto the projection surface, following a change in the projection distance indicated by the distance information. ### Claim 2 (depends on 1) The information processing device according to claim 1, wherein the processor is configured to perform control to project the projection image having the size corresponding to the projection distance indicated by the distance information onto the projection surface such that a size of a display image displayed on the projection surface by the projection of the projection image at the magnification corresponding to the projection distance by the image projection unit is a predetermined size. ### Claim 3 (depends on 1) The information processing device according to claim 1, wherein, in a case in which an image of the breast as object to be imaged was captured in the past, the processor is configured to acquire, as the distance information, information indicating the projection distance at a time when the image was captured in the past. ### Claim 4 (depends on 1) The information processing device according to claim 1, wherein the processor is configured to perform control such that, each time an amount of change in the projection distance indicated by the distance information is a predetermined amount, the projection image having the size corresponding to the projection distance indicated by the distance information at that time is projected onto the projection surface. ### Claim 5 (depends on 1) The information processing device according to claim 1, wherein the projection image includes guide information that serves as a guide in a case in which the breast is positioned. ### Claim 6 (depends on 1) The information processing device according to claim 1, wherein the projection image includes imaging information represented by characters. ### Claim 7 (depends on 6) The information processing device according to claim 6, wherein the imaging information includes at least one of information indicating a compression pressure of the breast by the compression member, information indicating a thickness of the breast in a compression direction in which the breast is compressed, subject information indicating a subject pertaining to the breast as an object to be imaged, radiographer information indicating a radiographer who performs imaging, date information indicating a date of imaging, or angle information indicating an angle at which an image of the breast is captured. ### Claim 8 (depends on 1) The information processing device according to claim 1, wherein: the projection image includes guide information that serves as a guide in a case in which the breast is positioned and imaging information represented by characters, and the processor is configured to perform control to project the imaging information having the size corresponding to the projection distance indicated by the distance information onto the projection surface. ### Claim 9 An information processing device comprising at least one processor, wherein the processor is configured to: acquire distance information indicating a projection distance, which is a distance from an image projection unit that projects a projection image onto a projection surface of a compression member to the projection surface, in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; and control the image projection unit such that the projection image having a size corresponding to the projection distance indicated by the distance information is projected onto the projection surface in a case in which the image projection unit projects the projection image at a magnification corresponding to the projection distance, wherein the processor is further configured to perform control to stop the projection of the projection image in a case in which the projection distance indicated by the distance information is less than a predetermined threshold value. ### Claim 10 An information processing device comprising at least one processor, wherein the processor is configured to: acquire distance information indicating a projection distance, which is a distance from an image projection unit that projects a projection image onto a projection surface of a compression member to the projection surface, in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; and control the image projection unit such that the projection image having a size corresponding to the projection distance indicated by the distance information is projected onto the projection surface in a case in which the image projection unit projects the projection image at a magnification corresponding to the projection distance, wherein the processor is further configured to: perform control to project the projection image having the size corresponding to the projection distance indicated by the distance information onto the projection surface in a case in which the projection distance indicated by the distance information is constant for a predetermined period; and perform control to stop the projection of the projection image while the projection distance indicated by the distance information is changing. ### Claim 11 An information processing method comprising: acquiring distance information indicating a projection distance, which is a distance from an image projection unit that projects a projection image onto a projection surface of a compression member to the projection surface, in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; controlling the image projection unit such that the projection image having a size corresponding to the projection distance indicated by the distance information is projected onto the projection surface in a case in which the image projection unit projects the projection image at a magnification corresponding to the projection distance; controlling the image projection unit to sequentially project a plurality of the projection images having different sizes onto the projection surface, following a change in the projection distance indicated by the distance information. ### Claim 12 A non-transitory computer-readable storage medium storing an image processing program that causes a computer to perform a process comprising: acquiring distance information indicating a projection distance, which is a distance from an image projection unit that projects a projection image onto a projection surface of a compression member to the projection surface, in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; controlling the image projection unit such that the projection image having a size corresponding to the projection distance indicated by the distance information is projected onto the projection surface in a case in which the image projection unit projects the projection image at a magnification corresponding to the projection distance; controlling the image projection unit to sequentially project a plurality of the projection images having different sizes onto the projection surface, following a change in the projection distance indicated by the distance information.