Systems and methods for refreshing macroblocks
JG Kim, J Kim, I Katsavounidis - US Patent 7,133,451, 2006 - Google Patents
In one embodiment, an adaptive motion area process is performed to determine Which
macroblocks are to be intra coded. Adaptive motion change detection can ef? ciently reduce …
macroblocks are to be intra coded. Adaptive motion change detection can ef? ciently reduce …
Systems and methods for encoding redundant motion vectors in compressed video bitstreams
CS Kim, I Katsavounidis - US Patent 7,003,033, 2006 - Google Patents
The invention is related to methods and apparatus that encode redundant motion vectors for
predictive-coded visual object planes (P-VOPs) to increase the robustness of transmitted …
predictive-coded visual object planes (P-VOPs) to increase the robustness of transmitted …
Systems and methods for detecting scene changes in a video data stream
I Katsavounidis, CS Kim, L Zhao - US Patent 7,110,452, 2006 - Google Patents
(60) Provisional application No. 60/286.280, filed on Apr. US Appl. No. 10/092,339, filed
Mar. 5, 2002, Kim et al. 25, 2001, provisional application No. 60275, 859, M. Budagavi and …
Mar. 5, 2002, Kim et al. 25, 2001, provisional application No. 60275, 859, M. Budagavi and …
Systems and methods for decoding redundant motion vectors in compressed video bitstreams
CS Kim, I Katsavounidis - US Patent 7,224,730, 2007 - Google Patents
The invention is related to methods and apparatus that decode robustly encoded video
bitstreams. One embodiment of a decoder can advantageously reconstruct a predictive …
bitstreams. One embodiment of a decoder can advantageously reconstruct a predictive …
Systems and methods for enhanced error concealment in a video decoder
CS Kim, JW Kim, I Katsavounidis - US Patent 6,990,151, 2006 - Google Patents
The invention is related to methods and apparatus that conceal errors in images of a
corrupted video bitstream. One embodiment conceals errors in a missing or corrupted intra …
corrupted video bitstream. One embodiment conceals errors in a missing or corrupted intra …
Systems and methods for management of data in a ring buffer for error resilient decoding of a video bitstream
JG Kim, I Katsavounidis - US Patent 7,042,948, 2006 - Google Patents
This application claims the benefit under 35 USC S 119 (e) of US Provisional Application
No. 60/273,443, filed Mar. 5, 2001; US Provisional Application No. 60/275,859, filed Mar. 14 …
No. 60/273,443, filed Mar. 5, 2001; US Provisional Application No. 60/275,859, filed Mar. 14 …
Systems and methods for reducing error propagation in a video data stream
CS Kim, I Katsavounidis - US Patent 6,993,075, 2006 - Google Patents
The present invention is related to error resilient video encoding. A first instruction to
intracode a first frame is received. In response to the first instruction, the first frame is …
intracode a first frame is received. In response to the first instruction, the first frame is …
Adaptive multiple reference frame based scalable video coding algorithm
In this paper, we propose a novel scalable video coding algorithm based on adaptively
weighted multiple reference frame method. To improve the coding efficiency in the …
weighted multiple reference frame method. To improve the coding efficiency in the …
An efficient motion compensation algorithm based on double reference frame method
Recently, several techniques based on the multiple reference frame scheme (Proceedings
of the Dada Compression Conference, March 1998, pp. 239–248; Proceedings of the …
of the Dada Compression Conference, March 1998, pp. 239–248; Proceedings of the …
[PDF][PDF] Multiple reference frame based scalable video coding for low-delay Internet transmission
In this paper, we propose a novel scalable video coding algorithm based on multiple
reference frame method. To improve the coding efficinecy in both base layer and …
reference frame method. To improve the coding efficinecy in both base layer and …