Abstract
Distributed compressed video sensing scheme combines advantages of compressive sensing and distributed video coding to get better performance, in the meantime, adapts to the limited-resource wireless multimedia sensor network. However, in the conventional distributed compressed video sensing schemes, self-similarity and high sampling rate of the key frame have not been sufficiently utilized, and the overall computational complexity increases with the development of these schemes. To solve the aforementioned problems, we propose a novel distributed compressed video sensing scheme. A new key frame secondary reconstruction scheme is proposed, which further improves the quality of key frame and decreases computational complexity. The key frame’s initial reconstruction value is deeply exploited to assist the key frame secondary reconstruction. Then, a hypotheses set acquisition algorithm based on motion estimation is proposed to improve the quality of hypotheses set by optimizing the searching window under low complexity. Experimental results demonstrate that the overall performance of the proposed scheme outperforms that of the state-of-the-art methods.
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This work was supported by National Natural Science Foundation of China (Grant No. 61540046) and the “111” project (Grant No. B08038).
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Chen, J., Xue, F. & Kuo, Y. Distributed compressed video sensing based on key frame secondary reconstruction. Multimed Tools Appl 77, 14873–14889 (2018). https://doi.org/10.1007/s11042-017-5071-5
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DOI: https://doi.org/10.1007/s11042-017-5071-5