An image analysis method and device for video surveillance
A technology of image analysis and video monitoring, applied in closed-circuit television systems, instruments, computing, etc., can solve problems affecting the physical and mental health of the elderly, infringing on the privacy of the elderly, and achieve privacy protection, avoiding privacy violations, and saving network transmission resources.
Active Publication Date: 2019-09-27
HANGZHOU LIANLUO INTERACTIVE INFORMATION TECH CO LTD
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[0003] At present, in addition to installing video surveillance in public places such as urban roads, shopping malls, and office areas, more and more families also choose to install video surveillance. On the one hand, it serves the purpose of safety protection, and on the other hand, it is to take care of the elderly or children at home. But in real life, video surveillance also has the problem of violating the privacy of the elderly. Based on this, the elderly in many families have objections to the installation of video surveillance. It can even affect the physical and mental health of the elderly
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[0054] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar promotions without violating the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.
[0055] The present application provides an image analysis method for video surveillance, and the present application also provides an image analysis device for video surveillance. The following describes in detail one by one with reference to the drawings of the embodiments provided in the present application, and describes each step of the method.
[0056] An embodiment of an image analysis method for video surveillance provided by the present application is as follows:
[0057] Refer to attached figure 1 , which ...
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The present application discloses an image analysis method for video monitoring, including: extracting video segments within a specific time interval from the video data collected by the acquired video acquisition device; decoding the extracted video segments into corresponding images Sequence; based on a preset human body contour detection algorithm, detect images containing human body contour features in the image sequence as user action images; identify the human body behavior action type corresponding to the human body contour features contained in the user action images; by presetting The communication device sends an action message including the action type of the human body action to the authentication terminal device. The image analysis method for video monitoring avoids the transmission of video data during the video monitoring process, saves network transmission resources, and at the same time avoids the privacy violation problem involved in viewing video data during the video monitoring process, so that user privacy can be better Protection, more humane.
Description
technical field [0001] The present application relates to the field of video surveillance, in particular to an image analysis method for video surveillance. The present application also relates to an image analysis device for video monitoring. Background technique [0002] Video surveillance (Cameras and Surveillance) is an important part of the security system, and it is widely used in many occasions because of its intuition, accuracy, timeliness and rich information content. The traditional surveillance system includes front-end cameras, transmission cables, and video surveillance platforms. Cameras can be divided into network digital cameras and analog cameras, which can be used as front-end video image signal collection. In recent years, with the rapid development of computer, network, image processing, data transmission and other technologies, video surveillance technology has also made great progress. The current video surveillance can be realized based on mobile term...
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IPC IPC(8): H04N7/18G06K9/00
CPCH04N7/18G06V40/23G06V40/10
Inventor 陈理罗泽英
Owner HANGZHOU LIANLUO INTERACTIVE INFORMATION TECH CO LTD