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MVS: A multi-view video synopsis framework
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DOI：10.1016/j.image.2016.01.002.png)
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Abstract
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In this paper, we present a framework for generating a synopsis of multi-view videos that are acquired from a surveillance site, indoor or outdoor, using multiple cameras. The synopsis generation is modeled as a scheduling problem that we solve using three separate approaches: table-driven approach, contradictory binary graph coloring (CBGC) approach, and simulated annealing (SA) based approach. An action recognition module is included in the framework to recognize important actions performed by various humans present in the videos. Inclusion of such important actions in the synopsis has helped to reduce its length significantly. The synopsis length is further reduced through a post processing step that computes the visibility score for each object track using a fuzzy inference system. Among the three proposed schemes, maximum reduction in synopsis length is obtained through the CBGC approach. The stochastic approach using SA, on the other hand, achieves a better trade-off among the multiple optimization criteria. Experimental evaluations on standard datasets demonstrate the efficacy of the proposed framework over its counterparts concerning the reduction in synopsis length and retention of important actions. (C) 2016 Elsevier B.V. All rights reserved.
Keywords:
Video synopsis
Multi-view video
Multi-camera network
Video summarization
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