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Sensors 2009, 9(4), 2461-2469; doi:10.3390/s90402461

Communication

Data Compression by Shape Compensation for Mobile Video Sensors

Ben-Shung Chow

Department of Electrical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan, 80424, ROC

Received: 26 February 2009; in revised form: 17 March 2009 / Accepted: 8 April 2009 / Published: 9 April 2009

(This article belongs to the Section Physical Sensors)

Download PDF Full-Text [237 KB, uploaded 9 April 2009 09:07 CEST]

Abstract: Most security systems, with their transmission bandwidth and computing power both being sufficient, emphasize their automatic recognition techniques. However, in some situations such as baby monitors and intruder avoidance by mobile sensors, the decision function sometimes can be shifted to the concerned human to reduce the transmission and computation cost. We therefore propose a binary video compression method in low resolution to achieve a low cost mobile video communication for inexpensive camera sensors. Shape compensation as proposed in this communication successfully replaces the standard Discrete Cosine Transformation (DCT) after motion compensation.

Keywords: Camera sensor; Low resolution; Mobile video

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