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| Number | Title | Issue Date |
| 8115659 | Method and apparatus for efficient gathering of information in a multicore system Methods and apparatus for gathering information from processors by using compressive sampling are presented. The invention can monitor multicore processor performance and schedule processor tasks to optimize processor performance. Using compressive sampling minimize... | 02/14/2012 |
| 8115660 | Compression of stream data using a hierarchically-indexed database The present invention, in particular embodiments, is directed to methods, apparatuses and systems that provide an efficient compression technique for data streams transmitted to storage devices or over networks to remote hosts. Local storage as well as network trans... | 02/14/2012 |
| 8081093 | Code transforming apparatus and code transforming method A code transforming apparatus inputs therein a first codestream of a target file, and outputs a second codestream transformed from the first codestream. In the code transforming apparatus, a BOX decomposing unit extracts BOX information from the first codestream. A ... | 12/20/2011 |
| 8063799 | Systems and methods for sharing compression histories between multiple devices Systems and methods of storing previously transmitted data and using it to reduce bandwidth usage and accelerate future communications are described. By using algorithms to identify long compression history matches, a network device may improve compression efficient... | 11/22/2011 |
| 8004432 | Time-of-flight measuring device A time-of-flight measuring device for performing a hardware-based high-speed data compression process before transferring the data from a signal recorder to a data processor is provided. A time-series digital signal recorded by a signal recorder is converted to a pl... | 08/23/2011 |
| 7924183 | Method and system for reducing required storage during decompression of a compressed file A method and system for decompressing a compressed file is disclosed in this invention, the method comprising: reading a compressed data block from the compressed file; decompressing the compressed data block; outputting the decompressed data for storage into a deco... | 04/12/2011 |
| 7864083 | Efficient data compression and decompression of numeric sequences Embodiments described herein relate to compression and decompression of data consisting of a one dimensional time series of floating point numbers. A compressor may comprise a lossless stage and in some embodiments a lossy stage in addition to the lossless stage. Th... | 01/04/2011 |
| 7746250 | Message encoding/decoding using templated parameters Communication of a compressed message over a communication channel between message processors. The compressed message may be expressed in terms of an expressed or implicit template identification, and values of one or more parameters. Based on the template identific... | 06/29/2010 |
| 7683811 | Storage and retrieval of compressed data in mixed mode Methods of storing and retrieving compressed data and uncompressed data in a mixed mode are described. Generally, the method comprises the steps of compressing a fixed amount of input data within a sequence of frames to provide storage and retrieval in a sequential ... | 03/23/2010 |
| 7642936 | System and method for determining whether to dynamically suppress data in a communications environment A method for communicating data is provided that includes receiving a plurality of bits associated with a communications flow and inspecting the bits. The method also includes determining whether one or more samples included in the flow should be suppressed. A porti... | 01/05/2010 |
| 7589648 | Data decompression In one embodiment, a data decompression circuit for a data stream having a repeated data word is provided. The data stream is compressed into a series of data frames such that the repeated data word is removed from the series of data frames and such that each data f... | 09/15/2009 |
| 7532134 | Systems and methods for sharing compression histories between multiple devices Systems and methods of storing previously transmitted data and using it to reduce bandwidth usage and accelerate future communications are described. By using algorithms to identify long compression history matches, a network device may improve compression efficient... | 05/12/2009 |
| 7511643 | Method and apparatus for distributed compressed sensing A method for approximating a plurality of digital signals or images using compressed sensing. In a scheme where a common component xc of said plurality of digital signals or images an innovative component xi of each of said plurality of digital... | 03/31/2009 |
| 7482954 | Bitstream compression for a programmable device Method and apparatus for processing configuration data for a programmable logic device is described. The configuration data includes a sequence of frames. In one example, bits in the sequence of frames are identified as “don't care” bits that do not affect the f... | 01/27/2009 |
| 7460038 | Systems and methods of clustered sharing of compression histories Systems and methods of storing previously transmitted data and using it to reduce bandwidth usage and accelerate future communications are described. By using algorithms to identify long compression history matches, a network device may improve compression efficient... | 12/02/2008 |
| 7453379 | Systems and methods for identifying long matches of data in a compression history Systems and methods of storing previously transmitted data and using it to reduce bandwidth usage and accelerate future communications are described. By using algorithms to identify long compression history matches, a network device may improve compression efficient... | 11/18/2008 |
| 7443321 | Compression of stream data using a hierarchically-indexed database The present invention, in particular embodiments, is directed to methods, apparatuses and systems that provide an efficient compression technique for data streams transmitted to storage devices or over networks to remote hosts. Local storage as well as network trans... | 10/28/2008 |
| 7417570 | Lossless comparative compression and transmission method and system Data is compared with a reference data, which is accessible at a source. The data is then separated into a static part and a dynamic part, wherein the static part is common with the reference data and the dynamic part is not common with the reference data. The dynam... | 08/26/2008 |
| 7414549 | Wyner-Ziv coding based on TCQ and LDPC codes An encoder employs a trellis coded quantization (TCQ) unit and a compression unit. The TCQ uses a set of polynomials that have been selected to maximize granular gain. The TCQ unit operates on a block of samples from a source. The compression unit compresses bit pla... | 08/19/2008 |
| 7378992 | Content independent data compression method and system Systems and methods for providing fast and efficient data compression using a combination of content independent data compression and content dependent data compression. In one aspect, a method for compressing data comprises the steps of: analyzing a data block of a... | 05/27/2008 |
| 7365658 | Method and apparatus for lossless run-length data encoding An apparatus and method for lossless run-length data encoding is disclosed. In the first stage of the method, an input data sequence is transformed without increasing its volume in order to obtain long sequences of identical digits. In the second stage, every such s... | 04/29/2008 |
| 7367053 | Password strength checking method and apparatus and program and recording medium thereof, password creation assisting method and program thereof, and password creating method and program thereof A password strength checking method has the steps of inputting a password to be checked, generating a plaintext password candidate according to the same generation procedure as that used by a password guessing tool, determining whether or not the inputted password a... | 04/29/2008 |
| 7358867 | Content independent data compression method and system Systems and methods for providing fast and efficient data compression using a combination of content independent data compression and content dependent data compression. In one aspect, a method for compressing data comprises the steps of: analyzing a data block of a... | 04/15/2008 |
| 7359956 | Data transfer scheme using caching and differential compression techniques for reducing network load In a data transfer scheme using a caching technique and/or a compression technique which is capable of reducing the network load of a network connecting between data transfer devices, correspondences between data and their names are registered at the data transfer d... | 04/15/2008 |
| 7355533 | Method for compression of data A method for compressing data, for example, seismic data, audio data, or video data, comprising the steps of transforming data of a frame into a first sequence of real numbers by using an entropy increasing transform method; quantizing said first sequence of real nu... | 04/08/2008 |
| 7352300 | Data compression systems and methods Systems and methods for providing fast and efficient data compression using a combination of content independent data compression and content dependent data compression. In one aspect, a method for compressing data comprises the steps of: analyzing a data block of a... | 04/01/2008 |
| 7340103 | Adaptive entropy encoding/decoding for screen capture content Adaptive entropy encoding and decoding techniques are described. For example, a screen capture encoder and decoder perform adaptive entropy encoding and decoding of palettized screen capture content in screen capture video. The encoder selects between different entr... | 03/04/2008 |
| 7333032 | System, method and computer program product for word-level computations and storage A system, method and computer program product are provided for generating and manipulating a compressed data structure. Initially, a plurality of values associated with an ordered collection of bits is received. It is then determined which of the values are the same... | 02/19/2008 |
| 7327287 | Lossy data compression exploiting distortion side information Described are techniques for performing lossy encoding. Source data and quality data are received by an encoder. The encoder maps the source data into a compressed representation having a level of distortion in accordance with the quality information. The compressed... | 02/05/2008 |
| 7327279 | Remote control to set a normal state in a remote digital control terminal Improved remote control structure, wherein a memory, which stores encoded data and normal state data transmitted back from a control terminal, is disposed within a remote control. When the remote control transmits a control signal to the control terminal, the microp... | 02/05/2008 |
| 7324022 | Data encoding apparatus, data decoding apparatus and data encoding/decoding system A data encoding apparatus extracts valid data to be encoded from received data and encodes the data, and realigns the encoded data in units of a predetermined data width and outputs the data having each unit of the predetermined data width. A data decoding apparatus... | 01/29/2008 |
| 7321322 | Pattern-driven, message-oriented compression apparatus and method A compression and decompression method and apparatus comprising at least one data source providing a stream of data to at least one data destination, employing at least one pattern classifier processing the stream of data of the at least one data source into a singl... | 01/22/2008 |
| 7318026 | Encoding apparatus and method, decoding apparatus and method, and recording medium recording apparatus and method An encoding method comprising the steps of forming a difference signal which is the difference between a first channel signal and a second channel signal of an input PCM signal, encoding the difference signal and the second channel signal with a time difference, div... | 01/08/2008 |
| 7313823 | Anti-alternation system for web-content An anti-alteration system for Web contents is described. A public-web-server computer stores safe web files encrypted from the original web contents, including static files (such as html, text, jpg, gif, wav, mp3, asp, exe, etc.) and dynamic files (such as php, perl... | 12/25/2007 |
| 7307552 | Method and apparatus for efficient hardware based deflate A method and apparatus provide for data compression with deflate block overhead reduction through the use of “pseudo-dynamic” Huffman codes to enable single deflate block encoding in a deflate algorithm implementation. Further, provided is data compression with ... | 12/11/2007 |
| 7302010 | Method for handling data transmissions within a modem A method for handling data transmissions within a modem is disclosed. A codeword is generated by compressing one or more incoming characters. The incoming characters and codeword are subsequently stored in a buffer. Then, a cost difference between transmitting all t... | 11/27/2007 |
| 7298298 | Multi-epoch codebook learning in a lossy packet network A network device capable of transmitting data includes a processor, an encoder and a port. The encoder encodes the data using a known valid dictionary while constructing a new dictionary over an epoch of data. A network device capable of receiving encoded data is al... | 11/20/2007 |
| 7292164 | Enhanced data converters using compression and decompression An enhancement that reduces the digital interface rate of analog-to-digital (A/D) and digital-to-analog (D/A) converters through the use of compression and decompression is described. Improved A/D converters compressing a sampled version of an A/D converter's analog... | 11/06/2007 |
| 7289045 | Two-stage codec for frame-based program images A method for compressing a frame-based program image (FBPI) includes identifying common envelope data in the FBPI. Identified common envelope data is removed from the FBPI. At least one instance of an identical repeated frame of the FBPI is identified. A first insta... | 10/30/2007 |
| 7286310 | Apparatus for receiving compressed digital information An apparatus for receiving digital information including a receiver which receives the digital information that has digital video information bit-compressed by a first compression system, digital audio information bit-compressed by a second compression system, and e... | 10/23/2007 |
