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 (139 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
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 ...


23
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 ...


24
Andrew E Borthwick: Probabilistic record linkage model derived from training data. Choicemaker Technologies, Nixon & Vanderhye P C, February 18, 2003: US06523019 (134 worldwide citation)

A method of training a system from examples achieves high accuracy by finding the optimal weighting of different clues indicating whether two data items such as database records should be matched or linked. The trained system provides three possible outputs when presented with two data items: yes, n ...


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 (125 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 (123 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 (116 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 (116 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 ...



Click the thumbnails below to visualize the patent trend.