# US 2025/0095376 A1 · Image mode application method and surveillance apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0095376 A1 - Document ID: US20250095376A1 - Status: Published application - Kind: A1 - Application number: 18/827,891 - Filed: 2024-09-09 - Published: 2025-03-20 - Earliest claimed: 2023-09-14 - Assignees: Vivotek Inc. - Applicants: Vivotek Inc. - Inventors: Cheng-Chieh Liu - Web page: https://patentgrep.com/patent/US20250095376A1 ## CPC - G06V 20/52: Surveillance or monitoring of activities, e.g. for recognising suspicious objects (recognising microscopic objects G06V20/69) - G06V 10/25: Determination of region of interest [ROI] or a volume of interest [VOI] - G06V 10/44: Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components - G06V 10/762: using clustering, e.g. of similar faces in social networks - G06V 40/168: {Feature extraction; Face representation} - G06V 40/20: Movements or behaviour, e.g. gesture recognition (recognition of facial expressions G06V40/16) - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING ## Abstract An image mode application method is applied to a surveillance apparatus with an operation processor. The operation processor receives an image stream having a first detection image and a second detection image generated in sequence. The image mode application method includes detecting a first feature of a first target object within the first detection image, switching an application mode of the surveillance apparatus from a first mode to a second mode in accordance with a detection result of the first feature, detecting a second feature of the first target object within the second detection image, determining whether the second feature conforms to the first feature, and switching the application mode from the second mode to the first mode when the second features conforms to the first feature. ## Claims ### Claim 1 An image mode application method applied to a surveillance apparatus with an operation processor, the operation processor receiving an image stream having a first detection image and a second detection image generated in sequence, the image mode application method comprising: the operation processor detecting a first feature of a first target object within the first detection image; the operation processor switching an application mode of the surveillance apparatus from a first mode to a second mode in accordance with a detection result of the first feature; the operation processor detecting a second feature of the first target object within the second detection image; the operation processor determining whether the second feature conforms to the first feature; and the operation processor switching the application mode from the second mode to the first mode when the second features conforms to the first feature. ### Claim 2 (depends on 1) The image mode application method of claim 1, wherein the first feature is relevant to the first target object, the first feature of the first target object is a behavior, a face feature, a clothing feature or a body feature. ### Claim 3 (depends on 1) The image mode application method of claim 1, further comprising: the operation processor determining whether a preset feature of a second target object is detected within the second detection image; and the operation processor keeping the application mode in the second mode when the preset feature is detected within the second detection image and the second feature of the first target object conforms to the first feature; wherein the preset feature is not appeared on the first detection image. ### Claim 4 (depends on 1) The image mode application method of claim 1, wherein the operation processor receives the image stream having the first detection image, the second detection image and a third detection image generated in sequence, the image mode application method further comprising: the operation processor detecting a third feature of the first target object within the third detection image; the operation processor comparing the third feature with the first feature and the second feature; and the operation processor setting the application mode in the first mode when the third feature conforms to the first feature, or conforms to the second feature, or conforms to the first feature and the second feature simultaneously. ### Claim 5 (depends on 1) The image mode application method of claim 1, further comprising: the operation processor setting a region of interest corresponding to the first target object within each detection image of the image stream; and the operation processor setting the region of interest in the second mode and storing the region of interest into a memory unit in accordance with the detection result; wherein the memory unit is electrically connected to the operation processor. ### Claim 6 (depends on 5) The image mode application method of claim 5, further comprising: the operation processor switching the region of interest from the second mode to the first mode when the second feature conforms to the first feature. ### Claim 7 (depends on 1) The image mode application method of claim 1, wherein the image stream is a single stream, the operation processor decides a transmission mode of the single stream in the first mode or the second mode in accordance with a feature conforming result. ### Claim 8 (depends on 1) The image mode application method of claim 1, further comprising: the operation processor acquiring the image stream having both the first mode and the second mode; and the operation processor storing the image stream having the first mode or the second mode into a memory unit in accordance with a feature conforming result; wherein the memory unit is electrically connected to the operation processor; wherein the image stream comprises two streams with different modes, the operation processor decides a recording mode of the two streams in accordance with a feature conforming result. ### Claim 9 (depends on 1) The image mode application method of claim 1, further comprising: the operation processor collecting a plurality of previous feature vectors of the first target object within a plurality of previous detection images of the image stream during a preset period for forming at least one cluster; the operation processor acquiring a current feature vector of the first target object within at least one current detection image of the image stream; the operation processor computing a distance of the current feature vector relative to the at least one cluster; and the operation processor setting the image stream in the first mode when the foresaid distance is smaller than a preset threshold, or setting the image stream in the second mode when the foresaid distance is greater than or equal to the preset threshold. ### Claim 10 (depends on 1) The image mode application method of claim 1, wherein the application mode comprises an image mode, an alarm mode, a transmission mode and/or a storage mode, the image mode comprises an image quality adjustment mode or a resolution adjustment mode or a resolving power adjustment mode or a frame rate adjustment mode, the alarm mode comprises an alarm generation mode and an alarm shutdown mode, the transmission mode comprises a high transmission quantity mode and a low transmission quantity mode, the storage mode comprises a high storage mode and a low storage mode. ### Claim 11 A surveillance apparatus comprising: an operation processor adapted to acquire an image stream having a first detection image and a second detection image generated in sequence, detect a first feature of a first target object within the first detection image, switch an application mode of the surveillance apparatus from a first mode to a second mode in accordance with a detection result of the first feature, detect a second feature of the first target object within the second detection image, determine whether the second feature conforms to the first feature, and switch the application mode from the second mode to the first mode when the second features conforms to the first feature. ### Claim 12 (depends on 11) The surveillance apparatus of claim 11, wherein the first feature is relevant to the first target object, the first feature of the first target object is a behavior, a face feature, a clothing feature or a body feature. ### Claim 13 (depends on 11) The surveillance apparatus of claim 11, wherein the operation processor is adapted to further determine whether a preset feature of a second target object is detected within the second detection image, and keep the application mode in the second mode when the preset feature is detected within the second detection image and the second feature of the first target object conforms to the first feature, the preset feature is not appeared on the first detection image. ### Claim 14 (depends on 11) The surveillance apparatus of claim 11, wherein the operation processor receives the image stream having the first detection image, the second detection image and a third detection image generated in sequence, the operation processor is adapted to further detect a third feature of the first target object within the third detection image, compare the third feature with the first feature and the second feature, and setting the application mode in the first mode when the third feature conforms to the first feature or conforms to the second feature or simultaneously conforms to the first feature and the second feature. ### Claim 15 (depends on 11) The surveillance apparatus of claim 11, wherein the operation processor is adapted to further set a region of interest corresponding to the first target object within each detection image of the image stream, and set the region of interest in the second mode and storing the region of interest into a memory unit in accordance with the detection result, the memory unit is electrically connected to the operation processor. ### Claim 16 (depends on 15) The surveillance apparatus of claim 15, wherein the operation processor is adapted to further switch the region of interest from the second mode to the first mode when the second feature conforms to the first feature. ### Claim 17 (depends on 11) The surveillance apparatus of claim 11, wherein the image stream is a single stream, the operation processor decides a transmission mode of the single stream in the first mode or the second mode in accordance with a feature conforming result. ### Claim 18 (depends on 11) The surveillance apparatus of claim 11, wherein the operation processor is adapted to further acquire the image stream having both the first mode and the second mode, and store the image stream having the first mode or the second mode into a memory unit in accordance with a feature conforming result, the memory unit is electrically connected to the operation processor, the image stream comprises two streams with different modes and the operation processor decides a recording mode of the two streams in accordance with a feature conforming result. ### Claim 19 (depends on 11) The surveillance apparatus of claim 11, wherein the operation processor is adapted to further collect a plurality of previous feature vectors of the first target object within a plurality of previous detection images of the image stream during a preset period for forming at least one cluster, acquire a current feature vector of the first target object within at least one current detection image of the image stream, compute a distance of the current feature vector relative to the at least one cluster, and set the image stream in the first mode when the foresaid distance is smaller than a preset threshold, or set the image stream in the second mode when the foresaid distance is greater than or equal to the preset threshold. ### Claim 20 (depends on 11) The surveillance apparatus of claim 11, wherein the application mode comprises an image mode, an alarm mode, a transmission mode and/or a storage mode, the image mode comprises an image quality adjustment mode or a resolution adjustment mode or a resolving power adjustment mode or a frame rate adjustment mode, the alarm mode comprises an alarm generation mode and an alarm shutdown mode, the transmission mode comprises a high transmission quantity mode and a low transmission quantity mode, the storage mode comprises a high storage mode and a low storage mode.