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http://dx.doi.org/10.6109/jkiice.2008.12.12.2323

Wavelet Based Compression Technique for Efficient Image Transmission in the Wireless Multimedia Sensor Networks  

Kwon, Young-Wan (강원대학교 컴퓨터정보통신공학과)
Lee, Joa-Hyoung (강원대학교 컴퓨터정보통신공학과)
Jung, In-Bum (강원대학교 컴퓨터정보통신공학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.12, no.12, 2008 , pp. 2323-2329 More about this Journal
Abstract
Advances in wireless communication and hardware technology have made it possible to manufacture high-performance tiny sensor nodes. More recently, the availability of inexpensive cameras modules that are able to capture multimedia data from the environment has fostered the development of Wireless Multimedia Sensor Networks(WMSNs). WMSN supplements the a advanced technique that senses, transmits, and processes the multimedia contents upon the text based traditional wireless sensor network. Since the amount of data which the multimedia contents have, is significantly larger than that of text based data, multimedia contents require lots of computing power and high network bandwidth. To process the multimedia contents on the wireless sensor node which has very limited computing power and energy, a technique for WMSN should take account of computing resource and efficient transmission. In the paper, we propose a new image compression technique YWCE for efficient compression and transmission of image data in WMSN. YWCE introduces 4 type of technique for motion estimation and compensation based on the Resolution Scalability of Wavelet. Experimental result shows that YWCE has high compression performance with different set of 4 type.
Keywords
WMSN; Wavelet; Motion Estimation; Motion Compensation;
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