21
Barin Geoffry Haskell, Atul Puri, Robert Louis Schmidt: Bidirectionally predicted pictures or video object planes for efficient and flexible video coding. AT&T, June 11, 2002: US06404813 (142 worldwide citation)

A method is provided for decoding a bit stream representing an image that has been encoded. The method includes the steps of: performing an entropy decoding of the bit stream to form a plurality of transform coefficents and a plurality of motion vectors; performing an inverse transformation on the p ...


22
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 ...


23
Hamid Gharavi: Efficient coding scheme for multilevel video transmission. Bell Communications Research, Leonard Charles Suchyta, Stephen M Gurey, October 12, 1993: US05253058 (137 worldwide citation)

A highly efficient video coding scheme is disclosed which codes, for transmission, the pel values of a scanned high quality HDTV video signal in such a manner that a low-quality version of the signal as well as a high-quality version are available to different video subscribers. The coder includes a ...


24
Maxwell T Sandford II, Theodore G Handel, Jonathan N Bradley: Compression embedding. The Regents of the University of California Office of Technology Transfer, Milton D Wyrick, July 7, 1998: US05778102 (136 worldwide citation)

A method and apparatus for embedding auxiliary information into the digital representation of host data created by a lossy compression technique and a method and apparatus for constructing auxiliary data from the correspondence between values in a digital key-pair table with integer index values exi ...


25
Henrique S Malvar: System and method for partially whitening and quantizing weighting functions of audio signals. Microsoft Corporation, Edmond A DeFrank, Craig S Fischer, Lyon Harr & Defrank L, May 29, 2001: US06240380 (128 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 ...


26
Srinivas Gutta: Method and apparatus for recommending television programming using decision trees. Koninklijke Philips Electronics, April 27, 2004: US06727914 (126 worldwide citation)

A method and apparatus are disclosed for recommending television programming using decision trees. Inductive principles are utilized to identify a set of recommended programs that may be of interest to a particular viewer, based on past viewing behavior. A user's viewing history is monitored an ...


27
Wenjun Zeng, Shaw Min Lei: Digital image scrambling for image coding systems. Sharp Laboratories of America, Marger Johnson & McCollom P C, January 7, 2003: US06505299 (125 worldwide citation)

Methods and apparatus for encryption and decryption of digital images are disclosed. A preferred embodiment operates on an image frame after that frame has undergone a space-frequency transform operation, such as a block DCT or wavelet transform, and before the frame is passed to a bitstream coder f ...


28
Wlodek Holender: System and method for optimal logical network capacity dimensioning with broadband traffic. Telefonaktiebolaget LM Ericsson, Jenkens & Gilchrist P C, June 9, 1998: US05764740 (122 worldwide citation)

A general dimensioning method and system for allocating limited transmission resources to virtual networks given offered traffic for virtual paths on the virtual networks. The N-layer virtual network dimensioning problem is reduced to an equivalent virtual path dimensioning problem by collapsing the ...


29
Nicholas George, Wanli Chi: Imaging using a multifocal aspheric lens to obtain extended depth of field. The University of Rochester, Kenneth J Lukacher, August 9, 2005: US06927922 (119 worldwide citation)

A system for imaging with a circularly symmetric multifocal aspheric lens is provided for obtaining an extended depth of field. The system includes a camera for capturing an image of at least one object through a circularly symmetric multifocal aspheric lens to provide a blurred image, and a compute ...


30
Henrique S Malvar: System and method for producing a fixed effort quantization step size with a binary search. Microsoft Corporation, Edmond A DeFrank, Lyon Harr & DeFrank, January 30, 2001: US06182034 (116 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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