Research Article
An Efficient Spatial Scalable Video Encoder Based on DWT
@INPROCEEDINGS{10.1007/978-3-642-32573-1_11, author={Saoussen Cheikhrouhou and Yousra Ben Jemaa and Mohamed Ben Ayed and Nouri Masmoudi}, title={An Efficient Spatial Scalable Video Encoder Based on DWT}, proceedings={Signal Processing and Information Technology. First International Joint Conference, SPIT 2011 and IPC 2011, Amsterdam, The Netherlands, December 1-2, 2011, Revised Selected Papers}, proceedings_a={SPIT \& IPC}, year={2012}, month={10}, keywords={video conference temporal redundancy spatial scalability discrete wavelet transform dwt tier1 and tier2 entropy coding}, doi={10.1007/978-3-642-32573-1_11} }- Saoussen Cheikhrouhou
Yousra Ben Jemaa
Mohamed Ben Ayed
Nouri Masmoudi
Year: 2012
An Efficient Spatial Scalable Video Encoder Based on DWT
SPIT & IPC
Springer
DOI: 10.1007/978-3-642-32573-1_11
Abstract
Multimedia applications reach a dramatic increase in nowadays life. Therefore, video coding scalability is more and more desirable. Spatial scalability allows the adaptation of the bit-stream to end users as well as varying terminal capabilities. This paper presents a new Discrete Wavelet Transform (DWT) based coding scheme, which offers spatial scalability from one hand and ensures a simple hardware implementation compared to the other predictive scalable compression techniques from the other. Experimental results have shown that our new compression scheme offers also good compression efficiency. Indeed, it achieves up to 61\% of bit-rate saving for Common Intermediate Format (CIF) sequences using lossy compression and up to 57\% using lossless compression compared with the Motion JPEG2000 standard and 64\% compared with a DWT-coder based on Embedded Zero tree Wavelet (EZW) entropy encoder.