31
William Abraham Pearlman, Amir Said: Data compression using set partitioning in hierarchical trees. PrimaComp, Raymond H J Powell Jr, June 9, 1998: US05764807 (135 worldwide citation)

A data compression technique includes a subband decomposition of a source image followed by coding of the coefficients of the resultant subband decomposition for storage and/or transmission. During coding, three ordered lists are used comprising a list of significant pixels (LSP), a list of insignif ...


32
Philip A Chou: Image recognition method using two-dimensional stochastic grammars. At&T Bell Laboratories, J W Herndon, May 28, 1991: US05020112 (135 worldwide citation)

A method of automatically identifying bitmapped image objects. Each of a set of templates in an object template library is compared with all areas of like size of a bitmapped image. A set of signals is generated for each such comparison that satisfies a defined matching criteria between the template ...


33
William Monroe Turpin: Development system and methods for visually creating goal oriented electronic form applications having decision trees. Borland International, John A Smart, Michael J Ritter, June 17, 1997: US05640501 (134 worldwide citation)

A system for creation and completion of goal oriented electronic forms creates a graphical image data file which defines: a graphical image of a form for display and printing; a graphical image of tree branches, tree nodes, and conclusions in association with fields of the form; reading and writing ...


34
Irene Katzela, Malathi Veeraraghavan: Virtual trees routing protocol for an ATM-based mobile network. Lucent Technologies, February 16, 1999: US05872773 (133 worldwide citation)

The present invention is a system and method for routing cells in a wireless communications network, wherein the communications network includes a plurality of switching nodes and the cells are routed according to destination-rooted virtual path identifier (VPI) trees. The present invention includes ...


35
Joshua S Auerbach, Chee Seng Chow, John E Drake Jr, Prabandham M Gopal, Elizabeth A Hervatic, Marc A Kaplan, Marcia L Peters, Michael J Ward: Multicast communication tree creation and control method and apparatus. International Business Machines, Edward H Duffield, Gerald R Woods, October 11, 1994: US05355371 (128 worldwide citation)

In a multicast network communication system, administration of the communication path making up the multicast tree itself has been separated from control and administration of the network. Creation of a multicast distribution tree and control over the membership thereof, is separately controlled ind ...


36
Mohamed Abdel Mottaleb, Ahmed Elgammal: Method for detecting a face in a digital image. Philips Electronics North America, July 17, 2001: US06263113 (128 worldwide citation)

In order to detect a face disposed within a digital image, the pixels of the image are grouped based on whether they are skin color. The edges of the skin colored areas are removed by eliminating pixels that have surrounding pixels with a high variance in the luminance component. The resulting conne ...


37
James Conklin: Methods and apparatus for determining focal points of clusters in a tree structure. Orack Corporation, Stattler Johansen & Adeli, July 2, 2002: US06415283 (126 worldwide citation)

A cluster processing system determines at least one focal node on a hierarchically arranged tree structure of nodes based on attributes of a data set. The data set comprises a plurality of data set attributes with associated weight values. The cluster processing system selects a set of nodes from th ...


38
Cliff Lasser, Robert Lordi, Craig Stanfill: Parallel virtual file system. Initio Software Corporation, Fish & Richardson P C, April 27, 1999: US05897638 (125 worldwide citation)

A parallel virtual file system for parallel processing systems including single-processor systems having multiple storage devices. The invention manages partitioned files as follows: (1) partitions of a partitioned file are stored in a set of isomorphic "data trees"; (2) an additional directory tree ...


39
Walter D Sincoskie: Interconnection of broadcast networks. Bell Communications Research, James W Falk, John T Peoples, November 10, 1987: US04706080 (124 worldwide citation)

A process is disclosed for effecting transmission over a generally cyclic communication system comprising numerous networks interconnected by gateway pairs. Each gateway of each pair implements a store-and-forward protocol whereby each gateway forwards message packets propagated over its associated ...


40
Chung C Wang: Data structure and search method for a data base management system. AT&T Bell Laboratories, J W Herndon, August 28, 1984: US04468728 (122 worldwide citation)

A data structure and search method for a data base management system. The structure and method allow the locating of a stored record in a massive system in a controlled and small number of mass memory accesses. The data structure is arranged into a plurality of search trees, each defining patent nod ...



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