# US 10,771,713 B2 · Imaging control device, imaging control method, and program > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,771,713 B2 - Document ID: US10771713B2 - Status: Granted - Kind: B2 - Application number: 16/099,379 - Filed: 2017-05-08 - Published: 2019-07-11 - Granted: 2020-09-08 - Earliest claimed: 2016-06-15 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Satoko Suzuki; Yutaro Honda; Syouei Hirasawa; Osamu Izuta; Daisuke Kasai - Web page: https://patentgrep.com/patent/US10771713B2 ## CPC - H04N 23/745: Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination - H04N 23/72: Combination of two or more compensation controls - H04N 23/73: by influencing the exposure time - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract An imaging control device including: a control unit configured to perform control such that an exposure timing is synchronized with a timing of a peak of a detected flickering component on a basis of a period of the flickering component and the timing of the peak of the flickering component. ## Claims ### Claim 1 An imaging control device, comprising: processing circuitry configured to determine that a shutter button is in a half-pushed state, in response to the determination that the shutter button is in the half-pushed state, calculate an initial phase of a flickering component of a signal component based on input image signals, estimate a frequency of the flickering component based on a frame rate of an image sensor and the calculated initial phase, and detect a timing of a peak of the flickering component, determine that the shutter button is in a fully-pushed state, and in response to the determination that the shutter button is in the fully-pushed state, synchronize an exposure timing with the timing of the peak of the flickering component on a basis of the frequency of the flickering component and the timing of the peak of the flickering component, wherein the processing circuitry is configured to detect whether the flickering component exists in each color of primary color signals of the input image signals. ### Claim 2 (depends on 1) The imaging control device according to claim 1, wherein the frequency of the flickering component and the timing of the peak of the flickering component are detected on a basis of an imaging result. ### Claim 3 (depends on 1) The imaging control device according to claim 1, wherein the processing circuitry is configured to increase an initial frame rate of the image sensor to the frame rate of the image sensor, and the frequency of the flickering component and the timing of the peak of the flickering component are detected on a basis of image data obtained based on the increased frame rate of the image sensor. ### Claim 4 (depends on 3) The imaging control device according to claim 3, wherein the processing circuitry is further configured to increase the initial frame rate of the image sensor in response to the determination that the shutter button is in the half-pushed state. ### Claim 5 (depends on 1) The imaging control device according to claim 1, wherein the primary color signals include red, green, and blue (RGB) primary color signals. ### Claim 6 (depends on 3) The imaging control device according to claim 3, wherein the increased frame rate is N times the initial frame rate, where N is an integer equal to or greater than 3. ### Claim 7 (depends on 6) The imaging control device according to claim 6, wherein the initial frame rate is 50 or 60 frames per second (fps), and the increased frame rate is 200 or 240 fps. ### Claim 8 (depends on 1) The imaging control device according to claim 1, wherein the processing circuitry is further configured to synchronize the exposure timing with the timing of the peak of the flickering component in accordance with a setting of photographing on a display. ### Claim 9 (depends on 8) The imaging control device according to claim 8, wherein the timing of the peak of the flickering component is detected before first exposure. ### Claim 10 (depends on 1) The imaging control device according to claim 1, wherein the processing circuitry does not synchronize the exposure timing when detected ambient brightness is equal to or less than a predetermined value. ### Claim 11 (depends on 3) The imaging control device according to claim 3, the processing circuitry is further configured to perform an additional process when the initial frame rate is increased to the frame rate. ### Claim 12 (depends on 11) The imaging control device according to claim 11, wherein the additional process is at least one of a process of increasing sensitivity or a process of strengthening a noise reduction effect. ### Claim 13 (depends on 1) The imaging control device according to claim 1, wherein the processing circuitry is further configured to perform control such that exposure of an image obtained in response to the control is corrected. ### Claim 14 (depends on 13) The imaging control device according to claim 13, wherein the processing circuitry is further configured to control the exposure of the image on a basis of a correction value obtained from a relation between intensity of the flickering component and a shutter speed. ### Claim 15 (depends on 13) The imaging control device according to claim 13, wherein the processing circuitry is further configured to control the exposure of the image by obtaining a shutter speed in photographing on a basis of amplitude information of the flickering component and a shutter speed in detection and setting the shutter speed. ### Claim 16 (depends on 1) The imaging control device according to claim 1, wherein the processing circuitry is further configured to determine whether to synchronize the exposure timing with the timing of the peak of the flickering component in accordance with a set shutter speed. ### Claim 17 An imaging control method, comprising: determining that a shutter button is in a half-pushed state; in response to the determination that the shutter button is in the half-pushed state, calculating an initial phase of a flickering component of a signal component based on input image signals, estimating a frequency of the flickering component based on a frame rate of an image sensor and the calculated initial phase, and detecting a timing of a peak of the flickering component; determining that the shutter button is in a fully-pushed state; and in response to the determination that the shutter button is in the fully-pushed state, synchronizing an exposure timing with the timing of the peak of the flickering component on a basis of the frequency of the flickering component and the timing of the peak of the flickering component, wherein the method further includes detecting whether the flickering component exists in each color of primary color signals of the input image signals. ### Claim 18 A non-transitory computer-readable storage medium storing instructions, which when executed by at least one processor, cause the at least one processor to perform an imaging control method, the imaging control method comprising: determining that a shutter button is in a half-pushed state; in response to the determination that the shutter button is in the half-pushed state, calculating an initial phase of a flickering component of a signal component based on input image signals, estimating a frequency of the flickering component based on a frame rate of an image sensor and the calculated initial phase, and detecting a timing of a peak of the flickering component; determining that the shutter button is in a fully-pushed state; and in response to the determination that the shutter button is in the fully-pushed state, synchronizing an exposure timing with the timing of the peak of the flickering component on a basis of the frequency of the flickering component and the timing of the peak of the flickering component, wherein the method further includes detecting whether the flickering component exists in each color of primary color signals of the input image signals.