Match Document Document Title
US20060239345 Method of signalling motion information for efficient scalable video compression  
A method for incrementally coding and signalling motion information for a video compression system involving a motion adaptive transform and embedded coding of transformed video samples comprises...
US20060227866 Method for specification of quantized coefficient limit  
An apparatus including a transformation circuit and a scaling/quantization circuit. The transformation circuit may be configured to generate one or more transform coefficients in response to a...
US20090262801 DEAD ZONE PARAMETER SELECTIONS FOR RATE CONTROL IN VIDEO CODING  
Quantization techniques are used in video coding to quantize residual coefficients. So-called “dead zone parameters” are selected in the quantization process of residual coefficients of residual...
US20150030069 NEIGHBOR MANAGEMENT FOR USE IN ENTROPY ENCODING AND METHODS FOR USE THEREWITH  
An entropy coding module is provided for use in a video encoder that encodes a video input signal based on a plurality of macroblocks derived from the video input signal. The entropy coding module...
US20130170544 METHODS AND APPARATUS FOR PRUNING DECISION OPTIMIZATION IN EXAMPLE-BASED DATA PRUNING COMPRESSION  
Method and apparatus for encoding a picture in a video sequence are disclosed. An apparatus includes a patch library creator for creating a first patch library from an original version of the...
US20050259730 Video coding with residual color conversion using reversible YCoCg  
A video coding algorithm supports both lossy and lossless coding of video while maintaining high color fidelity and coding efficiency using an in-loop, reversible color transform. Accordingly, a...
US20120170648 FRAME SPLITTING IN VIDEO CODING  
In one example, this disclosure describes a method of decoding a frame of video data comprising a plurality of block-sized coding units including one or more largest coding units (LCUs) that...
US20110158315 DEVICE AND METHOD FOR IMAGE ENCODING/DECODING USING PREDICTION DIRECTION CONVERSION AND SELECTIVE ENCODING  
The present disclosure relates to an apparatus and method for encoding/decoding videos using prediction direction change and selective encoding. The present disclosure provides a video encoding...
US20140376617 RATE CONTROL ALGORITHM FOR SCALABLE VIDEO ENCODING WITH DISPOSABLE P-FRAMES  
Systems and methods of performing rate control in scalable video encoders that can be used to provide videoconferencing, announcements, and live video streaming to multiple participant devices...
US20090213930 FAST MACROBLOCK DELTA QP DECISION  
A system and method for encoding multimedia video is described. As video is encoded a quantization parameter is selected for each macroblock. As described herein, the quantization parameter for...
US20130010860 CONTEXT ADAPTIVE POSITION AND AMPLITUDE CODING OF COEFFICIENTS FOR VIDEO COMPRESSION  
A coding method, apparatus, and medium with software encoded thereon to implement a coding method. The coding method includes encoding the position of non-zero-valued coefficients in an ordered...
US20090180536 ENTROPY ENCODER, VIDEO CODING APPARATUS, VIDEO CODING METHOD AND VIDEO CODING PROGRAM  
An entropy encoder, a video coding apparatus, a video coding method and a video coding program can cope with the adverse effects that arise as a result of a local increase of overhead code...
US20120218440 VISUALLY OPTIMIZED QUANTIZATION  
Visually optimized quantization is described herein. Specifically, the visually optimized quantization is for arbitrary block-based transforms such as Mode-Dependent Directional Transform (MDDT)....
US20090219992 Compensating delay of channel state information between receiver and transmitter during adaptive video delivery  
A method for controlling transmission of video data in a network, including: transmitting video data to a receiver via the network; receiving channel parameter information measured by the...
US20070258518 Flexible quantization  
A digital media encoder/decoder uses a flexible quantization technique that provides the ability to vary quantization along various dimensions of the encoded digital media data, including spatial,...
US20130114693 Binarization of Prediction Residuals for Lossless Video Coding  
A video codec comprising a processor configured to compute a difference between an original pixel and a prediction pixel to generate a prediction residual, and binarize an absolute value of the...
US20110158314 Video Encoding Apparatus, Video Decoding Apparatus, and Video Decoding Method for Performing Intra-Prediction Based on Directionality of Neighboring Block  
Provided are methods and apparatuses for improving compression efficiency in directional intra-prediction. A video encoding apparatus, which does not need to record intra mode information,...
US20140044165 Method and Apparatus for Inverse Scan of Transform Coefficients in HEVC  
A method and apparatus for decoding two-level scanned transform coefficients corresponding to a transform unit (TU) are disclosed. The TU is divided into sub-blocks and the transform coefficients...
US20110310963 Method and apparatus for bit allocation in offline video coding  
The method and apparatus for offline video coding, as described herein, calculates per-frame QP offset contribution from the amount of temporal masking effect at a frame, and then properly...
US20080232465 SYSTEM AND METHOD OF FAST MPEG-4/AVC QUANTIZATION  
A system and method for coding moving pictures according to MPEG-4/AVC is described which performs rapid quantization of the transformed residue signal is described. The system and method may...
US20120183047 VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM WITH INVERSE TRANSFORM 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...
US20150043632 IMAGE ENCODING/DECODING METHOD FOR RATE-DISTORTION OPTIMIZATION AND DEVICE FOR PERFORMING SAME  
Disclosed are an image encoding/decoding method for rate-distortion optimization and a device for performing the same. A macro-block to be encoded is provided, a prediction macro-block is...
US20150043631 IMAGE ENCODING/DECODING METHOD FOR RATE-DISTORTION OPTIMIZATION AND DEVICE FOR PERFORMING SAME  
Disclosed are an image encoding/decoding method for rate-distortion optimization and a device for performing the same. A macro-block to be encoded is provided, a prediction macro-block is...
US20050281336 Motion vector reconstruction in an entropy decoder  
Presented herein are system(s), method(s), and apparatus for motion vector reconstruction in an entropy decoder. In one embodiment of the present invention, there is presented a method for...
US20080192822 COMPLEXITY-BASED ADAPTIVE PREPROCESSING FOR MULTIPLE-PASS VIDEO COMPRESSION  
Multiple-pass video encoding systems and techniques are described which utilize statistics taken during a first-pass encoding to create complexity measurements for video data which is to be...
US20100272173 METHOD OF CONTENT ADAPTIVE VIDEO ENCODING  
A method of content adaptive encoding video is disclosed. The method comprises segmenting video content into segments based on predefined classifications or models. Examples of such...
US20120082214 Delay Aware Rate Control In The Context Of Hierarchical P Picture Coding  
The present invention provides bit rate control techniques for a hybrid block based motion compensated predictive video encoder (e.g., H.264, as well as other video coding algorithms and...
US20100074327 VIDEO QUANTIZER UNIT AND METHOD THEREOF  
A quantizer and method are disclosed.
US20140169453 Context Adaptive Position and Amplitude Coding of Coefficients for Video  
A coding method, apparatus, and medium with software encoded thereon to implement a coding method. The coding method includes encoding the position of non-zero-valued coefficients in an ordered...
US20130058400 ADAPTIVE RESTORATION FOR VIDEO CODING  
A coding system includes a decoding block and a reconstruction loop with first and second adaptive restoration blocks. The decoding block receives and decodes an encoded bitstream to derive...
US20100329333 METHOD AND APPARATUS FOR CONTROL OF RATE-DISTORTION TRADEOFF BY MODE SELECTION IN VIDEO ENCODERS  
A Method And Apparatus For Control of Rate-Distortion Tradeoff by Mode Selection in Video Encoders is Disclosed. The system of the present invention first selects a distortion value D near a...
US20060274833 Text recognition during video compression  
A method for encoding an image of a video stream divided into macroblocks comprising determining a maximum of variance of luma blocks in a macroblock, determining if the maximum of variance...
US20140241423 IMAGE CODING AND DECODING METHODS AND APPARATUSES  
An embodiment of the present invention provides an image coding method, where the coding method includes: performing predictive coding on an image; performing transform coding on the image on...
US20130336393 VIDEO ENCODING/DECODING METHODS, VIDEO ENCODING/DECODING APPARATUSES, AND PROGRAMS THEREFOR  
The computational complexity of a denoising filter is reduced while suppressing a reduction in coding efficiency. In a video encoding/decoding apparatus which uses a loop filter, a deviation...
US20120106631 IMAGE ENCODING/DECODING APPARATUS AND METHOD USING MULTI-DIMENSIONAL INTEGER TRANSFORM  
The present disclosure relates to a video encoding/decoding apparatus and method using a multi-dimensional integer transform. The video encoding method of the present disclosure includes:...
US20050152450 Coding apparatus and method, program, and recording medium  
A coding apparatus and method is disclosed by which quantization index data can be determined without referring to a virtual buffer capacity initialized in response to a scene change. ME residual...
US20100020869 CODING RATE CONVERSION DEVICE AND CODING RATE CONVERSION METHOD  
A coding rate conversion device can easily avoid the possibility of a violation of the standard taking place when all of the coded blocks included in a macroblock are to be deleted, with a high...
US20090067491 Learning-Based Image Compression  
Learning-based image compression is described. In one implementation, an encoder possessing a first set of learned visual knowledge primitives excludes visual information from an image prior to...
US20150139303 ENCODING DEVICE, ENCODING METHOD, DECODING DEVICE, AND DECODING METHOD  
The present technology relates to an encoding device, an encoding method, a decoding device, and a decoding method that enable sign data hiding processing to be appropriately performed. An...
US20150085924 QUANTIZATION FOR DIFFERENT COLOR SAMPLING SCHEMES  
A video coding or decoding method operable to generate blocks of quantized spatial frequency data by quantizing the video data according to a selected quantization step size and a matrix of data...
US20050047509 Scalable video coding and decoding methods, and scalable video encoder and decoder  
Scalable video coding and decoding methods, a scalable video encoder, and a scalable video decoder. The scalable video coding method includes receiving a GOP, performing temporal filtering and...
US20060159167 Video decoding method and device for inverse quantization and zigzag scan  
A video decoding device and method for an inverse quantization and zigzag scan, which includes a receive unit having a counter for receiving at least one pixel and accumulating a counter value as...
US20140254662 VIDEO CODING METHOD USING AT LEAST EVALUATED VISUAL QUALITY AND RELATED VIDEO CODING APPARATUS  
One video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to...
US20130039412 Predictive coding with block shapes derived from a prediction error  
The present invention relates to block-wise coding and decoding of a video signal including at least two color components. The first component is coded by using prediction and the second component...
US20130010859 MODEL PARAMETER ESTIMATION FOR A RATE- OR DISTORTION-QUANTIZATION MODEL FUNCTION  
A more accurate model parameter estimation is achieved by using a Kalman filter for discretely estimating the model parameters between the consecutive frames of the frame sequence and performing...
US20130107942 FRAGMENTED PARAMETER SET FOR VIDEO CODING  
A video encoder generates a first network abstraction layer (NAL) unit. The first NAL unit contains a first fragment of a parameter set associated with video data. The video encoder also generates...
US20100158105 POST-PROCESSING ENCODING SYSTEM AND METHOD  
Quantization post-processing encoding systems and methods are described. In one embodiment an encoding system includes a quantization module, a quantization coefficient buffer, and a quantization...
US20050286630 Selecting encoding types and predictive modes for encoding video data  
In some embodiments, a method of determining encoding type and predictive mode(s) selections for a macroblock of a video frame is provided. In some embodiments, a general method 1) selects the...
US20130028316 High Performance Rate Control for Multi-Layered Video Coding Applications  
Methods and systems for multi-layer video encoding are described. In the system, an inter-layer analysis module gathers and analyzes inter-layer coding statistics, so that a rate control module...
US20130051458 VIDEO ENCODING CONTROL METHOD, VIDEO ENCODING APPARATUS, AND VIDEO ENCODING PROGRAM  
Video encoding is realized with small deterioration in image quality while suppressing underflow of a coded picture buffer (CPB) and with a smaller calculation amount than conventional 2-pass...