Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2006-01-03
2006-01-03
Kelley, Chris (Department: 2613)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
Reexamination Certificate
active
06983017
ABSTRACT:
A method and apparatus are provided for implementing an enhanced reduced memory mode (RMM) of decoding HDTV MPEG-2 video stream. In one instance, the RMM mode is adaptively enabled with up/down conversion by using the picture-type information. In another instance, the RMM mode is provided by performing anchor-frame compression/decompression by using adaptive DPCM technique with picture-type information. The quantization (PCM) tables are generated using the Lloyd algorithm. Further, the predictor for each pixel is determined by a use of the Graham rule.
REFERENCES:
patent: 5262854 (1993-11-01), Ng
patent: 5307177 (1994-04-01), Shibata et al.
patent: 5396567 (1995-03-01), Jass
patent: 5614952 (1997-03-01), Boyce et al.
patent: 5635985 (1997-06-01), Boyce et al.
patent: 5844608 (1998-12-01), Yu et al.
patent: 6393152 (2002-05-01), Takahashi et al.
patent: 6417889 (2002-07-01), Numata
patent: 6618443 (2003-09-01), Kim et al.
patent: 2001/0026677 (2001-10-01), Chen et al.
patent: 2001/0055339 (2001-12-01), Choi
patent: 1 026 884 (2000-08-01), None
patent: 11298892 (1999-10-01), None
patent: 249229 (2000-03-01), None
Vetro, Anthony, et al., “Minimum Drift Architectures for 3-Layer Scalable DTV Decoding,” IEEE Transactions on Consumer Electronics, pp. 527-536, vol. 44, No. 3, Aug. 1998.
Mokry, Robert, et al., “Minimal Error Drift in Frequency Scalability for Motion-Compensated DCT Coding,” IEEE Transactions on Circuits and Systems for Video Technology, pp. 392-406, vol. 4, No. 4, Aug. 1994.
Yu, Haoping, et al., “Block-Based Image Processor for Memory Efficient MPEG Video Decoding,” 1999 IEEE International Conference on Consumer Electronics, pp. 114-115, Los Angeles, 1999.
Bao, Jay, et al., “HDTV Down-Conversion Decoder,” IEEE Transactions on Consumer Electronics, pp. 402-410, vol. 42, No. 3, Aug. 1996.
Sun, Huifang, et al., “A New Approach for Memory Efficient ATV Decoding,” 1997 IEEE International Conference on Consumer Electronics, pp. 174-175, Los Angeles, 1997.
Lee, Dong-Ho, et al., “HDTV Video Decoder Which can be Implemented With Low Complexity,” IEEE International Conference on Consumer Electronics, pp. 6-7, 1994.
Sun, Huifang, “Hierarchical Decoder for MPEG Compressed Video Data,” IEEE Transactions on Consumer Electronics, pp. 559-564, vol. 39, No. 3, Aug. 1993.
Gersho, Allen, et al., “The Lloyd Quantizer Design Algorithm,” Vector Quantization and Signal Compression (The Kluwer International Series in Engineering and Computer Science), Chapter 6: Scaler Quantization II, pp. 188-190, Kluwer Academic Publishers, Boston/Dordrecht/London, Jan. 1992.
Zhong, Zhun, et al., “Scaling in MPEG-2 decoding loop with mixed processing” International Conference on Consumer Electronics, 2001 Digest of Technical Papers, ICCE, Los Angeles, CA Jun. 19-21, 2001, New York, NY, IEEE, US, Jun. 19, 2001 pp. 76-77, XPO010552075, ISBN: 0-7803-6622-0.
EP Search Report for European Application No. 02090296.1, dated Dec. 23, 2004.
Bhatia Sandeep
Chen Sherman (Xuemin)
Demas Jason
Broadcom Corporation
Christie Parker & Hale LLP
Kelley Chris
Senfi Behrooz
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