11
Adrianus Ligtenberg: Image compression technique with regionally selective compression ratio. Storm Technology, Townsend and Townsend Khourie and Crew, July 26, 1994: US05333212 (159 worldwide citation)

An enhancement to a standard lossy image compression technique wherein a single set of side information is provided to allow decompression of the compressed file. Certain portions of the image are selected (either by the user or automatically) for more compression than other portions of the image. A ...


12
Moe Rahnema: Method and apparatus for adaptive directed route randomization and distribution in a richly connected communication network. Motorola, Gregory J Gorrie, July 4, 1995: US05430729 (158 worldwide citation)

In a global communication system that includes a constellation of satellite nodes that move with respect to each other, data packets are routed across communication links in a evenly distributed fashion. Uniform link usage is achieved within allowed routes determined by end to end transport delay cr ...


13
Claude Cellier, Pierre Chenes: Lossless compression/decompression of digital audio data. Merging Technologies, Kenyon & Kenyon, March 16, 1999: US05884269 (157 worldwide citation)

An audio signal compression and decompression method and apparatus that provide lossless, realtime performance. The compression/decompression method and apparatus are based on an entropy encoding technique using multiple Huffman code tables. Uncompressed audio data samples are first processed by a p ...


14
James E Hargrave III, Yves I Savourel: Machine assisted translation tools utilizing an inverted index and list of letter n-grams. INT L com, Dorr Carson Sloan & Birney P C, October 10, 2000: US06131082 (151 worldwide citation)

A translation memory for computer assisted translation based upon an aligned file having a number of source language text strings paired with target language text strings. A posting vector file includes a posting vector associated with each source language text string in the aligned file. Each posti ...


15
Ahmad Zandi, Edward L Schwartz, Michael J Gormish, Martin Boliek: Reversible wavelet transform and embedded codestream manipulation. Ricoh Corporation, Ricoh Company, Blakely Sokoloff Taylor & Zafman, February 2, 1999: US05867602 (151 worldwide citation)

A compression and decompression system in which a reversible wavelet filter are used to generates coefficients from input data such as image data. The reversible wavelet filter is an efficient transform implemented with integer arithmetic that has exact reconstruction. The present invention uses the ...


16
Jerome M Shapiro: Digital data compression system including zerotree coefficient coding. General Electric Company, Joseph S Tripoli, Eric P Herrmann, Ronald H Kurdyla, May 24, 1994: US05315670 (151 worldwide citation)

A data processing system augments compression of non-zero values of significant coefficients by coding entries of a significance map independently of coding the values of significant non-zero coefficients. A dedicated symbol represents a zerotree structure encompassing a related association of insig ...


17
Jonathan J Stone, Terence R Hurley: Compression of video signals. Sony Broadcast & Communications, William S Frommer, Alvin Sinderbrand, June 29, 1993: US05223926 (150 worldwide citation)

A digital video signal is compressed by spatial sub-band filtering to form data sets constituting respective sub-bands of the two-dimensional spatial frequency domain. The data sets for a field or frame are stored. A first sequencer controls writing, in accordance with a desired sequence, of the sto ...


18
Marta Karczewicz, Justin Ridge: Context-based adaptive variable length coding for adaptive block transforms. Nokia Corporation, Ware Fressola Van Der Sluys & Adolphson, September 21, 2004: US06795584 (148 worldwide citation)

A method and system for coding an image using context-based adaptive VLC where transform coefficients are partitioned into blocks having a block dimension of 4nĂ—4m (with n, m being positive integer equal to or greater than 1). Each block is scanned in a zigzag manner to produce an ordered vector of ...


19
Henrique Sarmento Malvar: Scalable audio coder and decoder. Microsoft Corporation, Edmond A DeFrank, Lyon Harr & DeFrank, September 5, 2000: US06115689 (145 worldwide citation)

The coder/decoder (codec) system of the present invention includes a coder and a decoder. The coder includes a multi-resolution transform processor, such as a modulated lapped transform (MLT) transform processor, a weighting processor, a uniform quantizer, a masking threshold spectrum processor, an ...


20
Henrique S Malvar: System and method for masking quantization noise of audio signals. Microsoft Corporation, Edmond A DeFrank, Lyon Harr & DeFrank, May 2, 2000: US06058362 (139 worldwide citation)

The coder/decoder (codec) system of the present invention includes a coder and a decoder. The coder includes a multi-resolution transform processor, such as a modulated lapped transform (MLT) transform processor, a weighting processor, a uniform quantizer, a masking threshold spectrum processor, an ...



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