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Pulse Or Digital Communications > Bandwidth Reduction Or Expansion > Television Or Motion Video Signal > Feature Based Feature BasedFeature Based patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.08/16/07 - 20070189382 - Method and apparatus for scalably encoding and decoding video signal In one embodiment, the method includes predicting at least a portion of a current image in a current layer based on at least an intra-coded portion of a base image in a base layer, a reference image, shift information for samples in the predicted current image, and offset information indicating ... 07/12/07 - 20070160139 - Method and apparatus for varied format encoding and decoding of pixel data An apparatus, system, and method for encoding video pixels is provided in some embodiments. At least one encoder may encode a video pixel data as a symbol. A selection unit may select the symbol. A selection of the symbol is a function of a pixel format that is of one ... 06/21/07 - 20070140336 - Video coding device and image recording/reproducing device A video coding device for encoding video images comprises a block matching processing unit which executes a block matching process for each of a plurality of blocks obtained by partitioning each of the video images and a characteristic detecting unit which detects a characteristic of each block. Pixels corresponding to ... 06/21/07 - 20070140335 - Method of encoding video signals There is provided a method of encoding a video signal comprising a sequence of images to generate corresponding encoded video data. The method including the steps of: (a) analyzing the images to identify one or more image segments therein; (b) identifying those of said one or more segments which are ... 06/07/07 - 20070127568 - Device and method for extracting contour of moving object A device includes: a motion vector decoder that decodes the encoded motion vector information; a motion vector classification unit that classifies a moving direction of the motion vector into one of a plurality of directional ranges that are preliminarily defined; a different direction image block extractor that extracts the image ... 05/31/07 - 20070121721 - Systems and methods for decoding redundant motion vectors in compressed video bitstreams The invention is related to methods and apparatus that decode robustly encoded video bitstreams. One embodiment of a decoder can advantageously reconstruct a predictive-coded video object plane (P-VOP) from a standard motion vector and the previous frame; from a redundant motion vector and a frame prior to the previous frame; ... 05/31/07 - 20070121720 - Image coding apparatus, image decoding apparatus and image processing system An importance level determination unit receives: input from a camera of frames of moving images taken; input from a switch connected to a server which is operated manually by hand; and voice input from a microphone. Based on these it determines the importance level of each image frame. An encoder ... 05/24/07 - 20070116117 - Controlling buffer states in video compression coding to enable editing and distributed encoding An encoder includes a parser, a plurality of encoder engines and an assembler. The parser divides a portion of a received digital data stream into a plurality of segments having a begin boundary and an end boundary. The plurality of encoder engines independently encode the plurality of segments to accommodate ... 05/10/07 - 20070104271 - Moving picture encoding system A moving picture encoding system capable of bit rate control, by which moving pictures are encoded while maintaining high quality even when there are substantial changes in the size of objects and the characteristics of texture is provided. A predictive area calculating parameter extracting means obtains a predictive area calculating ... 05/03/07 - 20070098067 - Method and apparatus for video encoding/decoding A method and apparatus for video encoding/decoding are provided to improve compression efficiency by generating a prediction block using an intra-inter hybrid predictor. A video encoding method includes dividing an input video into a plurality of blocks, forming a first predictor for an edge region of a current block to ... 03/29/07 - 20070071095 - De-blocking and de-ringing systems and methods Disclosed herein are various embodiments of decoding systems and methods. In one embodiment, among others, a decoding system comprises a de-blocking system configured to receive decoded video data and decoding information and remove blocking artifacts from the decoded video data, and a de-ringing system configured to remove ringing artifacts from ... 03/22/07 - 20070064796 - Natural shaped regions for motion compensation A method of irregular motion compensation includes using contours of objects in a reference image to tile the reference image into a plurality of irregular shapes, and mapping each irregular shape to a location in a target image by assigning a motion vector to each irregular shape. ... 03/15/07 - 20070058717 - Enhanced processing for scanning video A method of video processing may include registering one or more frames of input video received from a sensing unit, where the sensing unit may be capable of operating in a scanning mode. The registration process may project the frames onto a common reference. The method may further include maintaining ... 02/08/07 - 20070030896 - Real-time video object generation for smart cameras An apparatus and method for video object generation and selective encoding is provided. The apparatus includes a detection module for detecting a first object in at least one image frame of a series of image frames; a tracking module for tracking the first object in successive image frames and segmenting ... 01/18/07 - 20070014354 - Image coding apparatus with segment classification and segmentation-type motion prediction circuit A segmenting section divides an input image into a plurality of segments. A hierarchizing section determines classes of the respective segments according to a predetermined criterion, and produces a class identification signal indicating the classes of the respective segments. A coding section encodes the segmented image signal into code data ... 01/18/07 - 20070014353 - Efficient video coding A method (1600) and apparatus (220) for encoding a sequence of images for transmission over a communication network is disclosed. Initially (1602) an object-based first image is rendered from a computer graphics application (240). The rendered first image is then (1604) encoded (226) according to a predetermined encoding scheme and ... 01/11/07 - 20070009028 - Video telecommunication system for synthesizing a separated object wit a new background picture Embodiments of a video telecommunication system are provided that can obtain a background scene desired by a user by automatically changing a background scene into a different background scene. The system can include a background picture synthesis unit and a background scene separation unit that can separate an object to ... 11/16/06 - 20060256863 - Method, device and system for enhanced and effective fine granularity scalability (fgs) coding and decoding of video data The present invention discloses methods, devices and systems for effective and improved video data scalable coding and/or decoding based on Fine Grain Scalability (FGS) information. According to a first aspect of the present invention, a method for scalable encoding video data is provided. Said method comprises the following operations: obtaining ... 11/16/06 - 20060256862 - Codecs providing multiple bit streams According to an aspect of the present invention two streams data encoding corresponding information contained in a multimedia signal are generated with one bitstream (“first stream”) providing for reproduction of the information with a base quality (e.g., according to a corresponding standard), and the second bitstream (“second stream”) containing information ... 10/19/06 - 20060233243 - Fgs identification in scalable video coding A system and method for providing improved FGS identification in scalable video coding. According to the present invention, each FGS enhancement layer is assigned a unique dependency identifier and contains only FGS enhancement information. For subsequent enhancement layers, the base dependency identifier will point to either a base-quality layer or ... 10/19/06 - 20060233242 - Coding of frame number in scalable video coding A method of encoding scalable video data having multiple layers where each layer in the multiple layers is associated with at least one other layer includes identifying one or more layers using a first identifier where the first identifier indicates decoding dependency, and identifying reference pictures within the identified one ... 10/19/06 - 20060233241 - Fgs identification in scalable video coding A system and method for providing improved FGS identification in scalable video coding. According to the present invention, each FGS enhancement layer is assigned a unique dependency identifier and contains only FGS enhancement information. For subsequent enhancement layers, the base dependency identifier for the subsequent enhancement layers will point to ... 10/05/06 - 20060222070 - Method for scalably encoding and decoding video signal In one embodiment, decoding of a video signal includes predicting at least a portion of a current image in a current layer based on at least a residual coded portion of a base image in a base layer and shift information for samples in the predicted current image. ... 10/05/06 - 20060222069 - Method for scalably encoding and decoding video signal In one embodiment, decoding of a video signal includes predicting at least a portion of a current image in a current layer based on at least an intra-coded portion of a base image in a base layer and shift information for samples in the predicted current image. ... 10/05/06 - 20060222068 - Method for scalably encoding and decoding video signal In one embodiment, decoding of a video sigal includes predicting at least a portion of a current image in a current layer based on at least a portion of a base image in a base layer and offset information. The offset information indicates an offset based on at least one ... 10/05/06 - 20060222067 - Method for scalably encoding and decoding video signal In one embodiment, decoding of a video signal includes predicting at least a portion of a current image in a current layer based on at least a portion of a base image in a base layer and shift information for samples in the predicted current image. ... 09/28/06 - 20060215753 - Region-of-interest processing for video telephony The disclosure is directed to techniques for region-of-interest (ROI) processing for video telephone (VT) applications. According to the disclosed techniques, a recipient device defines ROI information for video information transmitted by a sender device, i.e., far-end video information. The recipient device transmits the ROI information to the sender device. Using ... 09/28/06 - 20060215752 - Region-of-interest extraction for video telephony The disclosure is directed to techniques for region-of-interest (ROI) processing for video telephony (VT) applications. According to the disclosed techniques, a recipient device defines ROI information for video information transmitted by a sender device, i.e., far-end video information. The recipient device transmits the ROI information to the sender device. Using ... 07/13/06 - 20060153295 - Method and system for inter-layer prediction mode coding in scalable video coding The present invention improves residue prediction by using MI even when the base layer MB is encoded in intra mode such as copying intra 4×4 mode of one 4×4 block in the base layer to multiple neighboring 4×4 blocks in the enhancement layer if the base layer resolution is lower ... 07/13/06 - 20060153294 - Inter-layer coefficient coding for scalable video coding A scalable video coding method and apparatus for coding a video sequence, wherein the coefficients in the enhancement layer is classified as belonging to a significant pass when the corresponding coefficient in the base layer is zero, and classified as belonging to a refinement pass when the corresponding coefficient in ... 07/06/06 - 20060146931 - Method and apparatus for low-complexity spatial scalable encoding A video encoder and method are disclosed, the encoder for receiving high-resolution video and providing compressed high-resolution scalable and standard-resolution bitstreams, and including a standard-resolution encoder, a selector coupled with the standard-resolution encoder for selecting between a signal indicative of the received high-resolution sequence and a signal indicative of a ... 06/29/06 - 20060140269 - Video coding A method and apparatus for encoding an input video bitstream to produce an encoded output bitstream is disclosed. A base stream is enhanced based on enhancement control parameters. At least one picture content parameter is extracted from the enhanced base stream. At least one picture content parameter is extracted from ... 06/22/06 - 20060133485 - Method for encoding and decoding video signal Disclosed is a method for encoding a decoding a video signal. In the procedure of encoding the video signal, when a frame temporarily simultaneous with a frame including a macro block of an enhanced layer which will obtain a prediction video does not exist in a base layer, the macro ... 06/22/06 - 20060133484 - Method for decoding image block Disclosed is a method for decoding an image block. The method comprises a step of decoding an image block of a first layer based on a corresponding block of a second layer encoded with an intra mode, wherein a first area is formed with pixels, which are adjacent to a ... 06/22/06 - 20060133483 - Method for encoding and decoding video signal Disclosed is a method for scalably encoding and decoding a video signal. An enhanced layer having a higher spatial resolution is predicted and encoded based on an enhanced layer having a relatively lower spatial resolution. Then, the encoded enhanced layer is decoded, thereby improving a coding efficiency. ... 06/22/06 - 20060133482 - Method for scalably encoding and decoding video signal A method for scalably encoding and decoding a video signal is provided. If a frame temporally coincident with a current frame in an enhanced layer including a target macroblock is not present (i.e., if there is a missing base layer frame) in a base layer when the target macroblock is ... 06/01/06 - 20060114992 - Av signal processing apparatus for detecting a boundary between scenes, method, recording medium and computer program therefor The invention provides an AV signal processing apparatus and method by which a boundary between scenes is detected so that recorded video data can be played back beginning with an arbitrary scene. First, video data inputted is divided into video segments or audio segments or, if possible, into both of ... 05/25/06 - 20060109901 - System and method for drift-free fractional multiple description channel coding of video using forward error correction codes A system and method are disclosed that provide an improved encoding scheme where input video is encoded into a base layer and a enhancement layer according to a fine-granular scalability coding to generate a plurality of equal priority descriptions, then the generated descriptions are decoded by a decoder. The plurality ... 04/20/06 - 20060083304 - Identification of replay segments Identification of segments based upon scoreboards and logos. ... 04/20/06 - 20060083303 - Apparatus and method for adjusting bitrate of coded scalable bitsteam based on multi-layer Disclosed are a method and an apparatus for realizing signal to noise ratio (SNR) scalability in a video stream server in order to transmit a video stream in a variable network environment. An apparatus for adapting a bitrate of a coded scalable bit-stream based on multi-layers to a variable network ... 04/20/06 - 20060083302 - Method and apparatus for predecoding hybrid bitstream A method and apparatus for efficiently predecoding a hybrid bitstream generated by a plurality of coding schemes are provided. The method includes obtaining a first bit-rate for a boundary between the lower layer bitstream and the upper layer bitstream and a second bit-rate for a boundary between motion information and ... 04/20/06 - 20060083301 - Transmitting device, reconstruction device, transmitting method and reconstruction method for broadcasts with hidden subtitles A transmitting device includes a main image generation unit generating a main image by overlaying first overlay data over an original image; an extraction unit extracting, from the original image, a partial image of a portion over which the first overlay data is overlaid; a first sub-image generation unit generating ... 04/06/06 - 20060072661 - Apparatus, medium, and method generating motion-compensated layers An apparatus, medium, and method generating a motion-compensating layer, with the apparatus including a spatial layer generator to generate an enhancement layer and a base layer, the enhancement layer including a plurality of temporally sequential video frames, and the base layer including at least one sub video frame obtained by ... 03/30/06 - 20060067402 - Seamless switching of scalable video bitstreams A seamless bitstream switching schema is presented. The schema takes advantage of both the high coding efficiency of non-scalable bitstreams and the flexibility of scalable bitstreams. Small bandwidth fluctuations are accommodated by the scalability of the bitstreams, while large bandwidth fluctuations are tolerated by switching among scalable bitstreams. This seamless ... 03/23/06 - 20060062295 - Two-layer encoding for hybrid high-definition dvd A hybrid high-definition encoder and method are disclosed, for processing signal data as a plurality of block transform coefficients for each of base layer data and enhancement layer data, where the encoder includes a two-layer decomposition unit for decomposing an original high-definition signal data sequence into base layer data and ... 03/23/06 - 20060062294 - Two-layer decoding for hybrid high-definition dvd A hybrid high-definition decoder and method are disclosed, for processing signal data as a plurality of block transform coefficients for each of base layer data and enhancement layer data, where the decoder includes a standard-definition decoder for decoding the standard-definition data from a base layer bitstream embodying a standard-definition data ... 02/23/06 - 20060039469 - Scalable video compression based on remaining battery capacity A method and apparatus for controlling the recording of streaming data by a mobile recording apparatus is disclosed. A streaming data input signal is received and the streaming data signal is compressed in a scalable manner using a scalable encoder to create layered encoded streaming data streams. Storage of the ... 02/09/06 - 20060029133 - System and method for bit-plane decoding of fine-granularity scalable (fgs) video stream A method of inverse transform of bit-plane-oriented discrete cosine transform transformed data representing the enhancement layer of a frame of video date encopoded in a fine granularscability comprising: providing a lookup table comprissing a mtrix of numerical contributions based on location of a bit-plane cell within any bit-plane of a ... 01/19/06 - 20060013302 - Method and system for entropy decoding for scalable video bit stream A method, program product and apparatus for decoding from a scalable bit stream the binarization results of a video sequence by selectively decoding syntax elements and avoiding redundancy in coding. The result is a decrease in the size of the compressed bit stream of an enhancement layer bit stream. One ... 10/13/05 - 20050226322 - Non-scalable to scalable video conversion method, scalable to non-scalable video conversion method The invention relates to a cost-effective method of modifying a non-scalable coded video signal for generating a scalable coded video signal comprising a base layer and a set of enhancement layers. The base layer results from a bit shift performed by a shift matrix applied on coefficients, and an extraction ... 06/23/05 - 20050135477 - Systems and methods with error resilience in enhancement layer bitstream of scalable video coding A scalable layered video coding scheme that encodes video data frames into multiple layers, including a base layer of comparatively low quality video and multiple enhancement layers of increasingly higher quality video, adds error resilience to the enhancement layer. Unique resynchronization marks are inserted into the enhancement layer bitstream in ... 06/02/05 - 20050117641 - Enhancement layer switching for scalable video coding An exemplary system includes a data encoder generating a base layer bitstream encoded at a base bit-rate, and a plurality of enhancement layer bitstreams encoded at different enhancement layer bit-rates, and a bitstream selection module selecting one of the enhancement layer bitstreams every video frame based on available channel bandwidth. ... ### FreshPatents.com Support |