Video Coding With Low-Complexity Directional Adaptive Interpolation Filters Export

@article{citeulike:6087139, abstract = {A novel adaptive interpolation filter structure for video coding with motion-compensated prediction is presented in this letter. The proposed scheme uses an independent directional adaptive interpolation filter for each sub-pixel location. The Wiener interpolation filter coefficients are computed analytically for each inter-coded frame at the encoder side and transmitted to the decoder. Experimental results show that the proposed method achieves up to 1.1 dB coding gain and a 15\% average bit-rate reduction for high-resolution video materials compared to the standard nonadaptive interpolation scheme of H.264/AVC, while requiring 36\% fewer arithmetic operations for interpolation. The proposed interpolation can be implemented in exactly 16-bit arithmetic, thus it can have important use-cases in mobile multimedia environments where the computational resources are severely constrained.}, author = {Rusanovskyy, D. and Ugur, K. and Hallapuro, A. and Lainema, J. and Gabbouj, M.}, citeulike-article-id = {6087139}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/TCSVT.2009.2022708}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4914821}, day = {12}, doi = {10.1109/TCSVT.2009.2022708}, journal = {Circuits and Systems for Video Technology, IEEE Transactions on}, keywords = {adaptive, filters, interpolation}, month = {May}, number = {8}, pages = {1239--1243}, posted-at = {2009-11-09 05:56:16}, priority = {2}, title = {Video Coding With Low-Complexity Directional Adaptive Interpolation Filters}, url = {http://dx.doi.org/10.1109/TCSVT.2009.2022708}, volume = {19}, year = {2009} }

TY - JOUR ID - citeulike:6087139 L3 - citeulike-article-id:6087139 N2 - A novel adaptive interpolation filter structure for video coding with motion-compensated prediction is presented in this letter. The proposed scheme uses an independent directional adaptive interpolation filter for each sub-pixel location. The Wiener interpolation filter coefficients are computed analytically for each inter-coded frame at the encoder side and transmitted to the decoder. Experimental results show that the proposed method achieves up to 1.1 dB coding gain and a 15% average bit-rate reduction for high-resolution video materials compared to the standard nonadaptive interpolation scheme of H.264/AVC, while requiring 36% fewer arithmetic operations for interpolation. The proposed interpolation can be implemented in exactly 16-bit arithmetic, thus it can have important use-cases in mobile multimedia environments where the computational resources are severely constrained. IS - 8 JF - Circuits and Systems for Video Technology, IEEE Transactions on EP - 1243 TI - Video Coding With Low-Complexity Directional Adaptive Interpolation Filters VL - 19 SP - 1239 KW - adaptive KW - filters KW - interpolation AU - Rusanovskyy, D AU - Ugur, K AU - Hallapuro, A AU - Lainema, J AU - Gabbouj, M PY - 2009/05/12/ UR - http://dx.doi.org/10.1109/TCSVT.2009.2022708 ER -