Perceptually adaptive hybrid video encoding based on just-noticeable-distortion profile

Xiaokang Yang; Weisi Lin; Zhongkang Lu; E. P. Ong; Susu Yao

doi:10.1117/12.502068

23 June 2003 Perceptually adaptive hybrid video encoding based on just-noticeable-distortion profile

Xiaokang Yang, Weisi Lin, Zhongkang Lu, E. P. Ong, Susu Yao

Proceedings Volume 5150, Visual Communications and Image Processing 2003; (2003) https://doi.org/10.1117/12.502068
Event: Visual Communications and Image Processing 2003, 2003, Lugano, Switzerland

Abstract

In this paper, just noticeable distortion (JND) profile based upon the human visual system (HVS) has been exploited to guide the motion search and introduce an adaptive filter for residue error after motion compensation, in hybrid video coding (e.g., H.26x and MPEG-x). Because of the importance of accurate JND estimation, a new spatial-domain JND estimator (the nonlinear additivity model for masking-NAMM for short) is to be firstly proposed. The obtained JND profile is then utilized to determine the extent of motion search and whether a residue error after motion compensation needs to be consine-tranformed. Both theoretical analysis and experimental data indicate significant improvement in motion search speedup, perceptual visual quality measure, and most remarkably, objective quality (i.e., PSNR) measure.

Citation Download Citation

Xiaokang Yang, Weisi Lin, Zhongkang Lu, E. P. Ong, and Susu Yao "Perceptually adaptive hybrid video encoding based on just-noticeable-distortion profile", Proc. SPIE 5150, Visual Communications and Image Processing 2003, (23 June 2003); https://doi.org/10.1117/12.502068

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