|
Match
|
Document |
Document Title |
|
|
7490123 |
Data compression
A data compression apparatus for performing data compression on input data comprises a quantisation parameter estimation arrangement for deriving an estimated value of a quantisation parameter used...
|
|
|
7489726 |
Resource-constrained sampling of multiple compressed videos
A method acquires compressed videos. Intra-, or inter-frames of each compressed video are acquired at a fixed sampling rate. Joint analysis is applied concurrently and in parallel to the compressed...
|
|
|
7489728 |
Apparatus and method for coding moving image
A moving image coding apparatus has a blocking unit for dividing an image applied in units of frames into a plurality of blocks, a mode selection unit for selectively performing intra-frame coding...
|
|
|
7489729 |
Method and apparatus for implementing reduced memory mode for high-definition television
A method and apparatus are provided for implementing an enhanced reduced memory mode (RMM) of decoding HDTV MPEG-2 video stream. In one instance, the RMM mode is adaptively enabled with up/down...
|
|
|
7489678 |
Voice packet communications system with communications quality evaluation function
A voice packet communications system which objectively evaluates the voice quality in real time. Voice packets received from a network are input into an adjustment circuit. The adjustment circuit...
|
|
|
7486732 |
Method and apparatus for distributed load multiplexing of multiple encoded signals over a shared communication path
A method and apparatus for distributed load multiplexing of multiple encoded signals over a shared communication path include processing that begins by receiving a 1 st encoded signal having a 1...
|
|
|
7486730 |
System and method for motion compensation of image planes in color sequential displays
A system and method for motion compensation of color sequential displays, receiving a motion image data input, extracting an estimate of a motion of an image portion represented in said image data...
|
|
|
7486734 |
Decoding and coding method of moving image signal, and decoding and coding apparatus of moving image signal using the same
A decoding method and coding method of moving image signal, and a decoding apparatus and coding apparatus using the same, provides for coding or decoding at least two or more motion vectors,...
|
|
|
7486828 |
Method and apparatus for processing an image data for output
A technique of processing an image data for output on a digital image device that compresses ( 164 ) a portion of a received image data to a data frame ( 110 ) according to a predefined size that...
|
|
|
7486733 |
Method for performing motion estimation in video encoding, a video encoding system and a video encoding device
A current video block of a frame to be encoded comprises a set of first data values, and at least one other video block of another frame comprises a set of second data values. Data value pairs are...
|
|
|
7486729 |
Video signal analysis and storage
A video recording and logging device includes apparatus to detect scene changes (as distinct from shot cuts or edit points) in audio/video signals. The apparatus includes a filtering arrangement...
|
|
|
7486642 |
Apparatus and method for receiving control message on packet data control channel in a mobile communication system supporting packet data service
An apparatus and method for receiving a packet data control channel in a mobile communication system that transmits packet data and has the packet data control channel for transmitting control...
|
|
|
7486207 |
Method and device for changing an encoding mode of encoded data streams
A method, a component, a system, and a computer program for changing an encoding mode of an encoded data stream from a first encoding mode to a second encoding mode are disclosed. The encoded data...
|
|
|
7486719 |
Transcoder and code conversion method
A two-way conversion transcoder comprising a spectrum parameter calculation circuit that calculates a spectrum parameter for a signal produced by decoding a first code; a coefficient calculation...
|
|
|
7483484 |
Apparatus and method for detecting opaque logos within digital video signals
A detection method and system that allows detecting an opaque logo after it has appeared in the digital video program for a short period of time, by deriving and analyzing the stochastic...
|
|
|
7483487 |
Streaming methods and systems
Various embodiments provide methods and systems for streaming data that can facilitate streaming during bandwidth fluctuations in a manner that can enhance the user experience. In one aspect, a...
|
|
|
7483499 |
Receiver circuit and a method for its operation
A receiver circuit having at least one amplifier device for amplification of a data signal which is applied to the input side of the receiver circuit, and having a control device which measures the...
|
|
|
7483489 |
Streaming multimedia data over a network having a variable bandwith
Groups of streams of encoded data having different predetermined bit rates are selected for transmission to a client application based on available bandwidth. Common values for at least a part of...
|
|
|
7483486 |
Method and apparatus for encoding high dynamic range video
A method and apparatus for encoding high dynamic range video by means of video compression is shown. The method comprises the steps of providing high dynamic range (HDR) tristimulus color data...
|
|
|
7483037 |
Resampling chroma video using a programmable graphics processing unit to provide improved color rendering
A system which utilizes the processing capabilities of the graphics processing unit (GPU) in the graphics controller. Each frame of each video stream is decoded. After decoding the compressed image...
|
|
|
7483479 |
Scaled signal processing elements for reduced filter tap noise
An adaptive transversal filter having tap weights W j which are products of corresponding tap coefficients C j and tap gains M j is provided. A filter control loop controls all of the tap...
|
|
|
7483488 |
Systems and methods for improving bit rate control of video encoding by correcting for the effects of scene changes and bit stuffing in a video buffer verifier (VBV) buffer model
The invention is related to methods and apparatus that advantageously improve picture quality in a video encoder, such as an MPEG video encoder. The picture quality of a video encoder can be...
|
|
|
7483485 |
Wireless event authentication system
A wireless data acquisition and recording (DAR) system includes acquisition circuitry including a video camera and/or a microphone carried by an operator for capturing video and audio events viewed...
|
|
|
7483365 |
Process for obtaining notches in the transmission of signals over the electricity network
This permits the transmission of signals over the electricity network in such a way that the spectral density of power is adjusted to the regulations in the current rules by means of the...
|
|
|
7480416 |
Implementation of discrete wavelet transform using lifting steps
Compact and efficient hardware architectures for implementing lifting-based DWTs, including 1-D and 2-D versions of recursive and dual scan architectures. The 1-D recursive architecture exploits...
|
|
|
7480252 |
Method and system for improving transmission efficiency using multiple-description layered encoding
A method, system and apparatus for improving network transmission efficiency using MDS and Fine Granular Spatial coding is disclosed. In accordance with the method, a video image is partitioned...
|
|
|
7480415 |
Fractal-coding addressing of reference block memories
The storage of values of a range block and of seven isometries used in a fractal image compression method, comprising using four memory areas of identical sizes in which are respectively stored the...
|
|
|
7480266 |
Interference adaptation apparatus, systems, and methods
Apparatus and systems, as well as methods and articles, may operate to detect radio-frequency energy at a frequency associated with at least one wireless networking channel and to transmit a data...
|
|
|
7480334 |
Temporal motion vector filtering
Methods and apparatus, including computer program products, implementing and using techniques for performing temporal motion vector filtering in digital video are disclosed. A recursive...
|
|
|
7480332 |
Bit rate control method and apparatus for MPEG-4 video coding
A bit rate control method and apparatus for MPEG-4 video coding are provided. The method includes performing initialization in which a video frame is inputted and a memory is allocated to a rate...
|
|
|
7480335 |
Video decoder for decoding macroblock adaptive field/frame coded video data with spatial prediction
Described herein is a video decoder for decoding macroblock adaptive field/frame coded video data with spatial prediction. In one embodiment, there is presented a spatial predictor for processing a...
|
|
|
7477690 |
Macroblock level adaptive frame/field coding for digital video content
A method and system of encoding and decoding digital video content. The digital video content comprises a stream of pictures which can each be intra, predicted, or bi-predicted pictures. Each of...
|
|
|
7477688 |
Methods for efficient bandwidth scaling of compressed video data
The present invention relates to systems and methods for efficient bit rate alteration of a bitstream to match an available channel capacity. The efficient bit rate alteration includes selective...
|
|
|
7477691 |
Video signal compression
A video signal is analyzed to determine what compression coding decisions would be taken if the video signal were to be MPEG2 encoded. A representation of these coding decisions then accompanies...
|
|
|
7477186 |
Memory systems with column read to an arithmetic operation circuit, pattern detector circuits and methods and computer program products for the same
Memory systems include an array of storage cells arranged in a row and column arrangement. A plurality of data write lines coupled to the array are configured to supply data into a selected row of...
|
|
|
7477689 |
Video decoder architecture and method for using same
A decoder and method for using a new picture or frame type is provided. This type is referred to a an SP-picture. The temporal redundancies are not exploited in I-frames, compression efficiency of...
|
|
|
7477692 |
Video encoding for seamless splicing between encoded video streams
A method of splicing video content from a secondary encoded video stream into a primary encoded video stream, the method including the steps of identifying a splice out-time t out and a splice...
|
|
|
7474702 |
Digital television system
Disclosed is a digital television system carrying out modulation/demodulation by VSB(vestigial side band). A VSB transmitter includes an additional error correction encoder designed in a manner...
|
|
|
7474696 |
Wide-band multi-format audio/video production system with frame-rate conversion
A multi-format digital video production system enables a user to process an input video program to produce an output version of the program in a final format which may have a different frame rate,...
|
|
|
7474699 |
Moving picture encoding/transmission system, moving picture encoding/transmission method, and encoding apparatus, decoding apparatus, encoding method decoding method and program usable for the same
An encoder which encodes each of image blocks of a video. The encoder includes a prediction mode selection information generator for generating prediction mode selection information which indicates...
|
|
|
7474698 |
Identification of replay segments
Identification of segments based upon scoreboards and logos.
|
|
|
7474700 |
Audio/video system with auxiliary data
A video system includes a plurality of frames of video each of which is defined by a plurality of scene elements. The scene elements for a respective frame together define an image of the frame....
|
|
|
7474694 |
Methods, devices and computer program products for adaptively adjusting passbands of high-pass filters of asymmetric digital subscriber link (ADSL) modems
The present invention provides methods and related devices for adjusting the passband and/or cutoff frequency of a high-pass filter of an ADSL modem. A level of a received ADSL signal is compared...
|
|
|
7474701 |
Single pass variable bit rate control strategy and encoder for processing a video frame of a sequence of video frames
An encode control strategy is provided for variable bit rate encoding of a sequence of video frames in a single pass. The control strategy includes determining whether a video frame has a...
|
|
|
7474767 |
Motion detection using multi-resolution image processing
Motion detection using sub-band image processing. A device has decompose logic that decomposes an input image into composite images that comprise different frequency bands of the input image. The...
|
|
|
7474697 |
Apparatus and method for partitioning moving picture data
An apparatus for partitioning moving picture data comprises a first quantizing unit for first-quantizing a received video signal and outputting a first-quantized signal; and a second quantizing...
|
|
|
7474794 |
Image processing using probabilistic local behavior assumptions
Image transform apparatus for processing pixel image data, comprising:
at least one low pass extractor for extracting a low pass component from a series of image pixels, at least one low...
|
|
|
7471724 |
Method and apparatus for adaptive multiple-dimensional signal sequences encoding/decoding
A hybrid block matching prediction and transform based n dimensional signal sequence encoder, including an encoder motion estimator, having a cost function. A first embodiment includes an...
|
|
|
7471298 |
Fetching pixel data with reduced memory bandwidth requirement
A system and method is provided which enables pixel data stored in multiple memory pages to be combined in one data packet, thereby reducing the number of data packets needed to transfer a group of...
|
|
|
7471742 |
Method and construction for space-time codes for AM-PSK constellations
Space-time codes are developed for multi-radii AM-PSK constellations. Further, a “super-unified” space-time code construction is developed that incorporates multi-radii AM-PSK codes with the...
|