Low complexity inter-layer residual coding and efficient mode decision for spatial and temporal scalable video coding

Bumshik Lee; Taeyoung Na; Munchurl Kim; Sangjin Hahm; Changseob Park; Injoon Cho

doi:10.1117/12.797352

13 September 2008 Low complexity inter-layer residual coding and efficient mode decision for spatial and temporal scalable video coding

Bumshik Lee, Taeyoung Na, Munchurl Kim, Sangjin Hahm, Changseob Park, Injoon Cho

Author Affiliations +

Proceedings Volume 7073, Applications of Digital Image Processing XXXI; 70730E (2008) https://doi.org/10.1117/12.797352
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

We introduce an efficient mode selection method in the enhancement layers of spatial scalability in the SVC encoder by selectively performing the inter-layer residual coding of the SVC. The proposed method is to make an analysis of the characteristics of integer transform coefficients for the subtracted signals for two residuals from lower and upper spatial layers. Then it selectively performs the inter-layer residual prediction coding in the spatial scalability if the SAD values of inter-layer residuals exceed adaptive threshold values. Therefore, by classifying the residuals according to the properties of integer-transform coefficients only with the SAD of inter-layer residual signals between two layers, the SVC encoder can perform the inter-layer residual coding selectively, thus significantly reducing the total encoding time with 51.2% in average while maintaining the RD performance with negligible amounts of quality degradation.

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Bumshik Lee, Taeyoung Na, Munchurl Kim, Sangjin Hahm, Changseob Park, and Injoon Cho "Low complexity inter-layer residual coding and efficient mode decision for spatial and temporal scalable video coding", Proc. SPIE 7073, Applications of Digital Image Processing XXXI, 70730E (13 September 2008); https://doi.org/10.1117/12.797352

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