TY - GEN
T1 - A spatial-domain error concealment method with edge recovery and selective directional interpolation
AU - Kung, Wei Ying
AU - Kim, Chang Su
AU - Kuo, C. C.J.
PY - 2003
Y1 - 2003
N2 - A low complexity spatial-domain error concealment method is proposed to reconstruct still images and intra-coded (I) frames in video when they are transmitted through unreliable channels in this work. The proposed concealment algorithm works with the following steps. First, missing edges in a lost macroblock (MB) are detected and recovered using gradient data. Then, the lost MB is implicitly divided into several segments along the recovered edges. Finally, each pixel in a segment is directionally interpolated from boundary pixels adjacent to the segment. Experimental results show that the proposed algorithm can recover high as well as low frequency information in lost MBs and provide better visual quality in comparison with the conventional spatial domain interpolation.
AB - A low complexity spatial-domain error concealment method is proposed to reconstruct still images and intra-coded (I) frames in video when they are transmitted through unreliable channels in this work. The proposed concealment algorithm works with the following steps. First, missing edges in a lost macroblock (MB) are detected and recovered using gradient data. Then, the lost MB is implicitly divided into several segments along the recovered edges. Finally, each pixel in a segment is directionally interpolated from boundary pixels adjacent to the segment. Experimental results show that the proposed algorithm can recover high as well as low frequency information in lost MBs and provide better visual quality in comparison with the conventional spatial domain interpolation.
UR - http://www.scopus.com/inward/record.url?scp=27844482678&partnerID=8YFLogxK
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U2 - 10.1109/ICME.2003.1221574
DO - 10.1109/ICME.2003.1221574
M3 - Conference contribution
AN - SCOPUS:27844482678
T3 - Proceedings - IEEE International Conference on Multimedia and Expo
SP - II145-II148
BT - Proceedings - 2003 International Conference on Multimedia and Expo, ICME
PB - IEEE Computer Society
T2 - 2003 International Conference on Multimedia and Expo, ICME 2003
Y2 - 6 July 2003 through 9 July 2003
ER -