基于部件模型的攀爬行為檢測(cè)算法研究
[Abstract]:Video surveillance system is playing an increasingly important role in the field of public security. With the increasing number of cameras installed in various public places in cities, the amount of video data is also increasing explosively. How to realize intelligent surveillance has become a hot topic in current research, and the emphasis and difficulty of intelligent video surveillance is the analysis and recognition of human body behavior, which is widely used in the fields of human-computer interaction and motion analysis. The detection of certain behaviors such as climbing behavior also has a broad application prospect, such as community, factory building, especially in prison, warehouse and other special places. At present, intelligent monitoring system has made some progress, but due to the diversity of human posture and the complexity of shooting background, the video surveillance technology for human body has not yet achieved the desired results. There are two problems to be solved in the identification of climbing behavior, one is to detect whether there is a human body in a picture or video, the other is to identify the human body's behavior by extracting the motion characteristics of the human body. In this paper, a human climbing identification system is constructed on the basis of these two points, and the intelligent detection and analysis of human climbing behavior are carried out. The main achievements are as follows: 1. Aiming at the diversity of human body in video, a human body detection method based on deformable component model and color feature is proposed. The basic idea of the method is as follows: firstly, the deformable component model is used to detect the image. Then it is determined whether the test score is greater than the set threshold, and if the threshold is greater than the threshold and is not in a suspicious interval, then it is judged to be a human body, If the target is further detected by color features in the suspicious interval and the detected score is taken as the final judgment result, the experimental results show that, Multi-decision detection method based on deformable component model and color feature can improve the detection accuracy to some extent. 2. Based on the deformable component model and the dense track characteristics, a human climbing detection system is developed. The system is divided into three modules: motion detection module, human body detection module and climbing identification module. The detection process is to separate the foreground of the dynamic region in the video, extract the moving region to be detected, and then use the deformable component model to detect the moving region. Finally, the human behavior is identified by using the dense trajectory features, and if climbing, it is marked or alerted to achieve the purpose of intelligent human climbing monitoring.
【學(xué)位授予單位】:安徽大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:TP391.41;TN948.6
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