TITLE:      Recovery of video in the presence of packet loss using interleaving
	    and spatial redundancy
AUTHORS:    Gongsan Yu, Max M.-K. Liu, Michael W. Marcellin
CONFERENCE: 1996 International Conference on Image Processing,
	    Lausanne, Switzerland, 1996.
ABSTRACT:
This paper proposes a new algorithm for error concealment in the presence of
packet loss for block based video CODECs. It uses a one-pixel overlap block
structure. Without any smoothness assumption on block boundaries, this method
provides consistently high performance in lost block recovery. The one-pixel 
overlap generally decreases the compression ratio for a fixed quantization step 
size. However, increases in PSNR obtained by averaging overlapping pixels 
largely compensates the effect. Experimental results show that there is almost 
no performance decrease in PSNR vs. compression ratio for the ``Football'' and 
``Miss America'' videos when using 9x9 blocks with one-pixel overlap 
(in place of the usual 8x8 blocks with no overlap).