System and method for inverse discrete cosine transform implemen

Details System and method for inverse discrete cosine transform implemen System and method for inverse discrete cosine transform implemen

1994-07-29

1996-11-12

Ramirez, Ellis B.

Boots, shoes, and leggings

36471502, 348568, 395114, H04L 1200

Patent

active

055746616

ABSTRACT:
An apparatus and method for calculation of the inverse discrete cosine transform for image decompression are disclosed. The apparatus may be implemented with approximately 10,000 transistors for MPEG2 main level speed and with less than 10,000 transistors for MPEG1 main level speed.

REFERENCES:
patent: 5394349 (1995-02-01), Eddy
patent: 5471412 (1995-11-01), Shyu
C. Loeffler et al., "Practical Fast 1-D DCT Algorithms with 11 Multiplications," Proceedings of IEEE ICASSP vol. 3 pp. 988-991, Feb. 1989.
E. Linzer et al., "New Scaled DCT Algorithms for Fused Multiply/Add Architectures," Proceedings of IEEE ICASSP pp. 2201-2204, 1991.
Y. Arai et al., "A Fast DCT-SQ Scheme for Images," The Transactions of the IEICE, vol. E71, No. 11, pp. 1095-1097, Nov. 1988.
ISO, Coding of Moving Pictures and Associated Audio for Digital Storage Media at up to About 1.5 Mbit/s, Part 2 Video, 1991.

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