# US 12,003,891 B2 · Image recording apparatus, image recording method, and endoscope system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,003,891 B2 - Document ID: US12003891B2 - Status: Granted - Kind: B2 - Application number: 17/342,667 - Filed: 2021-06-09 - Published: 2021-09-30 - Granted: 2024-06-04 - Earliest claimed: 2018-12-10 - Assignees: Olympus Corporation - Applicants: Olympus Corporation - Inventors: Junichi Tashiro - Web page: https://patentgrep.com/patent/US12003891B2 ## CPC - H04N 7/18: Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast - A61B 1/00009: {of image signals during a use of endoscope} - A61B 1/0002: {provided with data storages} - A61B 1/0005: {combining images e.g. side-by-side, superimposed or tiled} - A61B 1/043: {for fluorescence imaging} - A61B 1/045: Control thereof - H04N 5/77: between a recording apparatus and a television camera - H04N 7/188: {Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position (signal generation from motion picture films H04N5/253)} - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract An image recording apparatus includes a processor. The processor records setting information corresponding to at least one of a procedure or a scene during the procedure, sets a color to be detected from a fluorescent image and a detection level based on the setting information, detects a level of the set color from the fluorescent image inputted, and outputs signals to start and stop recording of the inputted fluorescent image by comparing the detected level of the color with a threshold based on the detection level. ## Claims ### Claim 1 An image recording apparatus comprising: a processor comprising hardware, and an image generation circuit configured to perform a reproduction operation based on control by the processor and setting information, wherein the processor being configured to: record setting information corresponding to at least one of a procedure or a scene during the procedure; set a color to be detected from a fluorescent image and a detection level based on the setting information; detect a level of the set color from the fluorescent image inputted; and output signals to start and stop recording of the inputted fluorescent image by comparing the detected level of the color with a threshold based on the detection level, and record an observation image acquired in a normal observation mode and the fluorescent image acquired in a fluorescence observation mode at a same time, and wherein the image generation circuit generates a reproduction image to display the observation image acquired in the normal observation mode and the fluorescent image at the same time. ### Claim 2 (depends on 1) The image recording apparatus according to claim 1, wherein the processor sets the setting information based on user operation, or sets the setting information to an initial value based on at least one of the procedure or the scene during the procedure. ### Claim 3 (depends on 2) The image recording apparatus according to claim 2, wherein the processor sets each of the color and the detection level to an initial value corresponding to at least one of the procedure or the scene during the procedure. ### Claim 4 (depends on 1) The image recording apparatus according to claim 1, wherein, in a case where automatic recording is designated by the setting information, the processor sets the color to be detected from the fluorescent image and the detection level. ### Claim 5 (depends on 1) The image recording apparatus according to claim 1, wherein the processor changes setting of the color and the detection level depending on the scene during the procedure even in the same procedure. ### Claim 6 (depends on 1) The image recording apparatus according to claim 1, wherein the processor performs control to record the fluorescent image during a period when the inputted fluorescent image is determined as being usable for identification in an examination, the processor can record an observation image acquired in a normal observation mode and the fluorescent image acquired in a fluorescence observation mode at a same time, the processor controls start and end of recording of the observation image acquired in the normal observation mode, based on user operation, and the processor controls start and end of recording of the fluorescent image, based on a comparison result between the detected level of the color and a threshold based on the detection level. ### Claim 7 (depends on 1) The image recording apparatus according to claim 1, wherein the processor performs control to record the fluorescent image during a period when the inputted fluorescent image is determined as being usable for identification in an examination, as a result of the comparison. ### Claim 8 An image recording apparatus comprising: an image generation circuit; and a processor comprising hardware, the processor being configured to: record setting information corresponding to at least one of a procedure or a scene during the procedure; set a color to be detected from a fluorescent image and a detection level based on the setting information; detect a level of the set color from the fluorescent image inputted; and output signals to start and stop recording of the inputted fluorescent image by comparing the detected level of the color with a threshold based on the detection level, wherein the image generation circuit being configured to generate a reproduction image based on the recorded fluorescent image, the processor performs control to record the fluorescent image during a period when the inputted fluorescent image is determined as being usable for identification in an examination, as a result of the comparison, the image generation circuit performs reproduction operation based on control by the processor and the setting information, the processor can record an observation image acquired in a normal observation mode and the fluorescent image acquired in a fluorescence observation mode at a same time, and the image generation circuit generates a reproduction image to display the observation image acquired in the normal observation mode and the fluorescent image at the same time by a picture-in-picture method or a picture-out-picture method. ### Claim 9 An image recording method, comprising: recording setting information corresponding to at least one of a procedure or a scene during the procedure; setting a color to be detected from a fluorescent image and a detection level based on the setting information; detecting a level of the set color from the fluorescent image inputted; and comparing the detected level of the color with a threshold based on the detection level, to thereby determine whether the inputted fluorescent image is usable for identification in an examination, and based on a result of the determination, outputting signals to start and stop recording of the inputted fluorescent image. ### Claim 10 An endoscope system, comprising: an endoscope; an image pickup control apparatus connected to the endoscope and configured to control image pickup; and an image recording apparatus including a processor comprising hardware, the processor being configured to: detect an image signal outputted from the image pickup control apparatus; record setting information corresponding to at least one of a procedure or a scene during the procedure; set a color to be detected from a fluorescent image and a detection level based on the setting information; detect a level of the set color from the fluorescent image inputted, based on a detection result of the image signal; output signals to start and stop recording of the inputted fluorescent image by comparing the detected level of the color with a threshold based on the detection level, and record the fluorescent image during a period when the inputted fluorescent image is determined as being usable for identification, as a result of the comparison.