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US20110200101 METHOD AND ENCODER FOR CONSTRAINED SOFT-DECISION QUANTIZATION IN DATA COMPRESSION  
A method of encoding a video using constrained soft-decision quantization. The soft-decision quantization includes first performing hard-decision quantization to obtain hard quantized coefficients...
US20080101465 Moving Picture Encoding Method, Device Using The Same, And Computer Program  
If a reference frame displayed at the reproduction side immediately before a current image frame to be encoded is an inter encoding image frame, a quantization control device (999) appropriately...
US20080247461 Image Encoding Device  
In an image encoding device (100) that compression encodes moving pictures, a moving picture count acquisition unit (110) acquires a moving picture count of encoding target moving pictures...
US20090273606 REWIND-ENABLED HARDWARE ENCODER  
Described herein are a number of approaches for implementing a video encoder with hardware-enabled rewind functionality. In several embodiments, rewind functionality can be implemented in...
US20050129111 Transform-domain video editing  
A method and device for editing a video sequence while the sequence is in a compressed format. In order to achieve a video effect, editing data indicative of the video effect is applied to...
US20130114684 ELECTRONIC DEVICES FOR SELECTIVE RUN-LEVEL CODING AND DECODING  
An electronic device configured for selective run-level coding (SRLC) is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication...
US20060171457 Rate control for digital video compression processing  
A video compression algorithm for converting a digital video stream having video content into a compressed video bitstream, includes rate control to control the size of the compressed video...
US20050041738 DC coefficient signaling at small quantization step sizes  
Described tools and techniques relate to signaling for DC coefficients at small quantization step sizes. The techniques and tools can be used in combination or independently. For example, a tool...
US20060215768 Video entropy decoding with graceful degradation  
A system and method are provided for gracefully degrading video quality in a video entropy decoding system. The method comprises: accepting a sequence of coded video frames; measuring the speed at...
US20120183048 VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM WITH MULTIPLE CLIPPING  
A method for decoding video includes receiving quantized coefficients representative of a block of video representative of a plurality of pixels. The quantized coefficients are dequantized based...
US20130259120 QUANTIZATION MATRIX AND DEBLOCKING FILTER ADJUSTMENTS FOR VIDEO CODING  
A device may include a video coder configured to determine an equivalent quantization parameter (QP) for a decoded block of video data using a quantization matrix for the decoded block of video...
US20150163487 METHOD OF GENERATING QUANTIZED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, selects an inverse scan pattern of a current transform unit among a diagonal scan, a vertical scan and a horizontal...
US20150156492 METHOD OF GENERATING QUANTIZED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, selects an inverse scan pattern of a current transform unit among a diagonal scan, a vertical scan and a horizontal...
US20150156491 METHOD OF GENERATING QUANTIZED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, selects an inverse scan pattern of a current transform unit among a diagonal scan, a vertical scan and a horizontal...
US20150156488 METHOD OF GENERATING QUANTIZED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, selects an inverse scan pattern of a current transform unit among a diagonal scan, a vertical scan and a horizontal...
US20140269908 METHOD OF GENERATING QUANTIZED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, selects an inverse scan pattern of a current transform unit among a diagonal scan, a vertical scan and a horizontal...
US20140119434 ADAPTIVE INTRA-REFRESHING FOR VIDEO CODING UNITS  
The present disclosure relates to the use of adaptive intra-refreshing of video coding units to improve video perceptive quality by reducing artifacts such as I-pulsing. A picture to be encoded as...
US20140233637 MANAGED DEGRADATION OF A VIDEO STREAM  
A system and a method for simultaneous transmission of multiple media streams in a fixed bandwidth network are disclosed herein. The system is comprised of a central gateway media server and a...
US20050141608 Pipeline-type operation method for a video processing apparatus and bit rate control method using the same  
Disclosed is a pipeline-type operation method which can reduce idle operations of hardware modules. The pipeline-type operation method for a video processing apparatus including a plurality of...
US20150264365 PALETTE CODING FOR SCREEN CONTENT CODING  
Video data may be palette decoded. Data defining a palette table may be received. The palette table may comprise index values corresponding to respective colors. Palette index prediction data may...
US20130114698 METHOD OF DETERMINING BINARY CODEWORDS FOR TRANSFORM COEFFICIENTS  
A system is provided for creating level parameter updating codewords for transform coefficients used for relating transform units (TUs) that divide up coding units (CUs) in a High Efficiency Video...
US20090296808 Adaptive quantization for enhancement layer video coding  
Techniques and tools for encoding enhancement layer video with quantization that varies spatially and/or between color channels are presented, along with corresponding decoding techniques and...
US20140126632 PICTURE CODING METHOD AND PICTURE DECODING METHOD  
The picture coding method of the present invention is a picture coding method for coding a picture on a block-by-block basis, comprising: a selection step of selecting one of at least two sizes as...
US20120039390 PICTURE CODING METHOD AND PICTURE DECODING METHOD  
The picture coding method of the present invention is a picture coding method for coding a picture on a block-by-block basis, comprising: a selection step of selecting one of at least two sizes as...
US20060182179 Video coding and decoding methods with hierarchical temporal filtering structure, and apparatus for the same  
A method and apparatus for video coding and decoding with hierarchical temporal filtering structure are disclosed. A video encoding method in a temporal level having a hierarchical temporal...
US20060215751 Method of selecting among n 'spatial video codecs" the optimum codec for a same input signal  
The invention relates to a method of selecting among N “Spatial Video CODECs” where N is an integer number greater than 1, the optimum “Spatial Video CODEC” for a same input signal I. “Spatial...
US20060126726 Digital signal processing structure for decoding multiple video standards  
In one embodiment, a DSP structure includes four main sections: DEQ, IDCT for row, IDCT for column, and motion compensation. The data input sequence is organized in such a way to facilitate the...
US20130343452 APPARATUS FOR ENCODING AND DECODING IMAGE USING ADAPTIVE DCT COEFFICIENT SCANNING BASED ON PIXEL SIMILARITY AND METHOD THEREFOR  
The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an...
US20110176605 VIDEO ENCODING AND DECODING APPARATUS AND METHOD  
Video encoding and its corresponding decoding are disclosed. The video encoding incorporates: a predictor for predicting a pixel value of each pixel in a current block of the video to generate a...
US20120183045 VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM INCLUDING CLIPPING  
A method for decoding video includes receiving quantized coefficients representative of a block of video representative of a plurality of pixels. The quantized coefficients are dequantized based...
US20130064292 IMAGE CODING/DECODING DEVICE USING CODING BLOCK IN WHICH INTRA BLOCK AND INTER BLOCK ARE MIXED, AND METHOD THEREOF  
A video encoding/decoding apparatus includes: a video encoder for dividing coding unit block into combination of subblocks of codable size, determining combination of inter blocks and intra blocks...
US20080310505 TRANSMISSION OF PACKET DATA  
A method for transmitting encoded video data includes determining an available space for transmitting an encoded video data in a last remaining information block of a video packet. The method...
US20100260257 SMALL DETAIL RESERVATION IN CONTENT-ADAPTIVE QUANTIZATION  
Video processing systems and methods for preservation of small details in video undergoing quantization is discussed. Small details are preserved by identifying an area of interest within a video...
US20140072035 ADAPTATION OF ENCODING AND TRANSMISSION PARAMETERS IN PICTURES THAT FOLLOW SCENE CHANGES  
A source device in a wireless display system determines whether a scene change has occurred between a first picture and a second picture prior to transmitting an encoded representation of the...
US20080240235 Adaptive deadzone size adjustment in quantization  
Techniques and tools are described for adaptive deadzone (“DZ”) resizing during quantization. For example, in some embodiments, for quantization of an AC frequency coefficient of a block, a video...
US20060104354 Multi-layered intra-prediction method and video coding method and apparatus using the same  
A video coding method using a multi-layer structure, and more particularly, a method and apparatus for facilitating a search for an intra-prediction mode in an upper layer using an...
US20070223577 Scalable Encoding Device, Scalable Decoding Device, and Method Thereof  
There is disclosed a scalable encoding device capable of increasing the conversion performance from a narrow-band LSP to a wide-band LSP (prediction accuracy when predicting the wide-band LSP from...
US20140269902 APPARATUSES AND METHODS FOR PROVIDING QUANTIZED COEFFICIENTS FOR VIDEO ENCODING  
Apparatuses and methods for optimizing rate-distortion costs in a signal are disclosed herein. An apparatus may comprise a quantization block that may be configured to serially receive a plurality...
US20070098064 EFFECTIVE RATE CONTROL FOR VIDEO ENCODING AND TRANSCODING  
The quantization factor for each block of pixels in an image or video encoding or transcoding method is determined. The blocks of pixels are classified according to predefined criteria and the...
US20060222064 Hardware implementation of optimized single inverse quantization engine for a plurality of standards  
Presented herein are optimized single inverse quantization engines for a plurality of standards. In one embodiment, there is presented a system for inverse quantizing quantized frequency...
US20150010061 VIDEO ENCODING METHOD, DEVICE AND PROGRAM  
In an intra-picture, a predetermined region is set as a normal encoding region, and a region other than the predetermined region is set as a simplified encoding region. In a subsequent picture,...
US20070217508 Apparatus and method for coding moving pictures  
The apparatus includes: orthogonal transforming means for orthogonally transforming an input video signal for each element block, quantizing means for quantizing each obtained transformation...
US20120140816 METHOD AND SYSTEM FOR PARALLEL ENCODING OF A VIDEO  
A method and system for parallel encoding of frames in a video are described, exploiting parallel processing at both frame and slice levels. One or more slices are processed in a preceding frame...
US20050063471 Flexible range reduction  
Techniques and tools are described for flexible range reduction of samples of video. For example, an encoder signals a first set of one or more syntax elements for range reduction of luma samples...
US20060114989 Rate control techniques for video encoding using parametric equations  
This disclosure describes rate control techniques that can improve video encoding. The described rate control techniques exploit relationships between the number of bits encoded per frame and the...
US20150085925 Video Codecs with Integrated Gamut Management  
Image decoders encoders and transcoders incorporate gamut transformations. The gamut transformations alter tone, color or other characteristics of image data. The gamut transformations may...
US20060023788 Motion estimation and compensation device with motion vector correction based on vertical component values  
A motion estimation and compensation device that avoids discrepancies in chrominance components which could be introduced in the process of motion vector estimation. The device has a motion vector...
US20110261879 SCENE CUT DETECTION FOR VIDEO STREAM COMPRESSION  
A method and apparatus for detecting (51) in a video stream a scene cut (11, 12) between a current field of the video stream and an immediately preceding field includes determining (61)...
US20130188692 SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR TRANSFORM COEFFICIENT SUB-SAMPLING  
Video compression encoding includes intra and inter prediction to reduce spatial and temporal redundancies in video. Prediction results or residuals represent differences between original video...
US20130114681 VIDEO DECODER WITH ENHANCED SAMPLE ADAPTIVE OFFSET  
A decoder decodes video received in a bitstream containing quantized coefficients representative of blocks of video representative of a plurality of pixels and a plurality of offset type...