Context-based entropy coding in AVS video coding standard
Image Communication
Video coding with low-complexity directional adaptive interpolation filters
IEEE Transactions on Circuits and Systems for Video Technology
Adaptive interpolation filter for H.264/AVC
IEEE Transactions on Circuits and Systems for Video Technology
Parametric interpolation filter for motion compensated prediction
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Parametric Interpolation Filter for HD Video Coding
IEEE Transactions on Circuits and Systems for Video Technology
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The proposed interpolation filter comprises two concatenating filters, adaptive pre-interpolation filter (APIF) and the normative interpolation filter in H.264/AVC. The former is applied only to the integer pixels in the reference frames; the latter generates all the sub-position samples, supported by the output of APIF. The convolution of APIF and the standard filter minimizes the motion prediction error on a frame basis. APIF preserves the merits of the adaptive interpolation filter (AIF) and the adaptive loop filter (ALF) in the key technical area (KTA) software and at the same time overcomes their drawbacks. The experimental results show that APIF outperforms either AIF or ALF. Compared with the joint use of AIF and ALF, APIF provides comparable performance, but has much lower complexity.