Method and apparatus for viedo compression and decompression usi

Details Method and apparatus for viedo compression and decompression usi Method and apparatus for viedo compression and decompression usi

Filed on

1996-01-17

Date issued

1998-08-11

Examiner

Elmore, Reba I.

Patent Class

Boots, shoes, and leggings

Other Related Categories

36471502, 382166, 382232, 382233, G06F 1714

Type

Patent

Status

active

Patent number

057936587

Description

ABSTRACT:
A method and apparatus performs high speed forward or reverse Discrete Cosine Transform (DCT) for video compression and decompression that is optimized in both directions and which uses minimal hardware. This invention can be used to improve the speed of electronic transmission of images, decrease the electronic bandwidth necessary to transmit images electronically, increase the density of electronic storage of images, and speed up image enhancement operations.

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patent: 5181183 (1991-01-01), Miyazaki
patent: 5341318 (1994-08-01), Balkanski et al.
patent: 5379351 (1995-01-01), Fandrianto et al.
patent: 5452466 (1995-09-01), Fettweis
patent: 5461679 (1995-10-01), Normile et al.
patent: 5467131 (1995-11-01), Bhaskaran et al.
patent: 5587726 (1996-12-01), Moffat
Fast Algorithms for the Discrete Cosine Transform --Feig and Winograd.
A New Algorithms to Compute the Discrete Cosine Transform --Byeong Gi Lee.
A Fast Comutational Algorithms for the Discrete Cosine Transform --Wen-Hsiung Chen. C. Harrison Smith, and S.C. Fralick.
ITU-TRecommendation H.261 --Line Transmission of Non-Telephone Signals.
Practical Fast 1-D ACT Algorithms With 11 Multiplications --Christoph Loeffler, Adriaan Ligtenberg**, and George S. Moschytz*.
A 160-Mpixel/s IDCT Processor for HDTV.
A Single Chip Solution For An 8 By 8 By Two Dimen-sional DCT --Adrianne Ligtenberg. Jay H. O'Neill.

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