Direct migration motion estimation and mode decision to decoder for a low-complexity decoder Wyner–Ziv video coding

Ted Chih-Wei Lei; Fan-Shuo Tseng

doi:10.1117/1.JEI.26.4.043013

4 August 2017 Direct migration motion estimation and mode decision to decoder for a low-complexity decoder Wyner–Ziv video coding

Ted Chih-Wei Lei, Fan-Shuo Tseng

Author Affiliations +

Journal of Electronic Imaging, Vol. 26, Issue 4, 043013 (August 2017). https://doi.org/10.1117/1.JEI.26.4.043013

Abstract

This paper addresses the problem of high-computational complexity decoding in traditional Wyner–Ziv video coding (WZVC). The key focus is the migration of two traditionally high-computationally complex encoder algorithms, namely motion estimation and mode decision. In order to reduce the computational burden in this process, the proposed architecture adopts the partial boundary matching algorithm and four flexible types of block mode decision at the decoder. This approach does away with the need for motion estimation and mode decision at the encoder. The experimental results show that the proposed padding block-based WZVC not only decreases decoder complexity to approximately one hundredth that of the state-of-the-art DISCOVER decoding but also outperforms DISCOVER codec by up to 3 to 4 dB.

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Ted Chih-Wei Lei and Fan-Shuo Tseng "Direct migration motion estimation and mode decision to decoder for a low-complexity decoder Wyner–Ziv video coding," Journal of Electronic Imaging 26(4), 043013 (4 August 2017). https://doi.org/10.1117/1.JEI.26.4.043013

Received: 30 August 2016; Accepted: 19 June 2017; Published: 4 August 2017

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