Systems and methods for decoding redundant motion vectors in...

Details Systems and methods for decoding redundant motion vectors in... Systems and methods for decoding redundant motion vectors in...

2007-05-29

2007-05-29

An, Shawn S. (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240250, C375S240160, C375S240260, C375S240120, C348S699000, C392S488000, C392S488000, C392S488000, C392S488000

Reexamination Certificate

active

10092339

ABSTRACT:
The invention is related to methods and apparatus that decode robustly encoded video bitstreams. One embodiment of a decoder can advantageously reconstruct a predictive-coded video object plane (P-VOP) from a standard motion vector and the previous frame; from a redundant motion vector and a frame prior to the previous frame; or from both. Advantageously, this permits the decoder to display a frame based on a reconstructed VOP in the presence of unfavorable environmental conditions, such as interference, delays, and the like, which could otherwise corrupt a previous frame that is used as a reference by a standard decoder, such as a standard MPEG-4 decoder. One embodiment is advantageously backwards compatible with standard MPEG-4 compliant bitstreams and retrieves redundant motion vector information from user data video packets. One embodiment includes at least one extra frame buffer or memory, which stores a reference frame corresponding to a redundant motion vector.

REFERENCES:
patent: 5436664 (1995-07-01), Henry
patent: 5502573 (1996-03-01), Fujinami
patent: 5912707 (1999-06-01), Kim
patent: 5936674 (1999-08-01), Kim
patent: 5995171 (1999-11-01), Enari et al.
patent: 6141448 (2000-10-01), Khansari et al.
patent: 6148026 (2000-11-01), Puri et al.
patent: 6307885 (2001-10-01), Moon et al.
patent: 7003033 (2006-02-01), Kim et al.
U.S. Appl. No. 10/092;366, filed Mar. 5, 2002, Kim et al.
U.S. Appl. No. 10/092;376, filed Mar. 5, 2002, Katsavounidis et al.
U.S. Appl. No. 10/092;353, filed Mar. 5, 2002, Katsavounidis et al.
U.S. Appl. No. 10/092;384, filed Mar. 5, 2002, Kim et al.
U.S. Appl. No. 10/092;340, filed Mar. 5, 2002, Kim et al.
U.S. Appl. No. 10/092;375, filed Mar. 5, 2002, Kim et al.
U.S. Appl. No. 10/092;345, filed Mar. 5, 2002, Kim et al.
U.S. Appl. No. 10/092;392, filed Mar. 5, 2002, Katsavounidis et al.
U.S. Appl. No. 10/092;383, filed Mar. 5, 2002, Zhao et al.
U.S. Appl. No. 10/092;373, filed Mar. 5, 2002, Kim et al.
U.S. Appl. No. 10/092;394, filed Mar. 5, 2002, Katsavounidis et al.
M. Budagavi and J. D. Gibson, “Error propagation in motion compensated video over wireless channels,” in Proc. ICIP'97, vol. 2, Oct. 1997, pp. 89-92.
JinGyeong Kim, JongWon Kim and C.-C. Jay Kuo, “An Integrated AIR/UEP Scheme for Robust Video Transmission with a Corruption Model” Paper presented at ITCOM 2001 (Aug. 2001).
Chang-Su Kim, Ph.D. Thesis, “On the Techniques for Robust Transmission of Video Sequence over Noisy Channel” Graduate School of Seoul National University, Department of Electrical Engineering, Aug. 2000 pp. 1-140.
Seung Hwan Kim, Chang-Su Kim, and Sang-Uk Lee, “Enhanced motion compensation algorithm based on second-order prediction,” Proc. ICIP-2000, vol. 2, pp. 875-878, Sep. 2000.
Chang-Su Kim, Rin-Chul Kim, and Sang-Uk Lee, “Robust transmission of video sequence using double-vector motion compensation,” IEEE Transactions on Circuits and Systems for Video Technology, vol. 11, No. 9, pp. 1011-1021, Sep. 2001.
Lifeng Zhao, Jitae Shin, JongWon Kim, and C.-C. Jay Kuo, “FGS MPEG-4 video streaming with constant quality rate adaptation, prioritized packetization and differentiated forward,” in Proc. SPIE ITCOM 2001: Video Technologies for Multimedia Applications, Denver, CO, Aug. 2001.
Lifeng Zhao, JongWon Kim, and C.-C. Jay Kuo, “MPEG-4 FGS video streaming with constant-quality rate control and differentiated forwarding,” in Proc. SPIE Visual Communications and Image Processing 2002, San Jose, CA, Jan. 2002.

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