Low-complexity video compression for wireless sensor networks

Authors:
E. Magli;M. Mancin;L. Merello
Affiliations:
Dipt. di Elettronica, Politecnico di Torino, Italy;Dipt. di Elettronica, Politecnico di Torino, Italy;Dipt. di Elettronica, Politecnico di Torino, Italy
Venue:
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 3 (ICME '03) - Volume 03
Year:
2003

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Abstract

We study the problem of compression of videosurveillance sequences collected by a wireless sensor network. In particular, we propose a low-complexity coding framework based on change detection and JPEG-like compression of regions of interest, along with a suitable low-complexity change detection algorithm. We show that on typical videosurveillance sequences the performance of the proposed compression algorithm is similar to that of MPEG-2, at a much less computational cost. Energy profiling results on a TMS320VC5204 board validate the coder design for the proposed application.