Maximum a Posteriori Probability Estimation for Online Surveillance Video Synopsis.
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| Title: | Maximum a Posteriori Probability Estimation for Online Surveillance Video Synopsis. |
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| Authors: | Huang, Chun-Rong1, Chung, Pau-Choo Julia2, Yang, Di-Kai3, Chen, Hsing-Cheng3, Huang, Guan-Jie1 |
| Source: | IEEE Transactions on Circuits & Systems for Video Technology. Aug2014, Vol. 24 Issue 8, p1417-1429. 13p. |
| Subjects: | Streaming technology, Real-time computing, Computational complexity, Prediction models, Television in security systems, Probability theory |
| Abstract: | To reduce human efforts in browsing long surveillance videos, synopsis videos are proposed. Traditional synopsis video generation applying optimization on video tubes is very time consuming and infeasible for real-time online generation. This dilemma significantly reduces the feasibility of synopsis video generation in practical situations. To solve this problem, the synopsis video generation problem is formulated as a maximum a posteriori probability (MAP) estimation problem in this paper, where the positions and appearing frames of video objects are chronologically rearranged in real time without the need to know their complete trajectories. Moreover, a synopsis table is employed with MAP estimation to decide the temporal locations of the incoming foreground objects in the synopsis video without needing an optimization procedure. As a result, the computational complexity of the proposed video synopsis generation method can be significantly reduced. Furthermore, as it does not require prescreening the entire video, this approach can be applied on online streaming videos. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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