Block-based second order prediction on AVS-Part 2
2010
AVS-Part 2 is a mainstream video coding standard with high compression efficiency similar to H.264/AVC. A technique named Second Order Prediction (SOP) has been presented based on H.264/AVC to decrease the signal correlation after motion-compensated prediction. To achieve better coding performance, this paper presents a method named Block-based Second Order Prediction (BSOP) to ameliorate SOP to adapt to the features of the motion-compensation in AVS-P2 with analysis and demonstration in detail. Experimental results show that the proposed BSOP can outperform AVS-P2 P-picture coding by 3.99% bit-rate saving (0.126dB BD-PSNR gain) on average, and performs better than SOP implemented on AVS by 1.81% bit-rate saving.
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