Match Document Document Title
US20130223522 METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO USING HIGH-PRECISION FILTER  
Disclosed is a video encoding apparatus. The video encoding apparatus includes a prediction unit for generating a prediction block based on interpolating sub-samples of a reference block...
US20120257672 PERCEPTUAL PROCESSING TECHNIQUES FOR VIDEO TRANSCODING  
Systems and methods of video transcoding that employ perceptual processing techniques for enhancing the perceptual quality of transcoded video information, communications, entertainment, and other...
US20130259121 VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, AND PROGRAM  
A video encoding device includes an intra prediction unit for performing intra prediction on an image, a frequency transform/quantization unit for frequency transform and quantizing a prediction...
US20060126729 Image encoding apparatus and method thereof  
In an encoding process of a moving image, a macro block as a unit of encoding is further divided into a plurality of DCT blocks or integer conversion blocks to detect an edge of each of the DCT...
US20070116115 Video bit rate control method  
This invention is directed to a video bit rate control method for encoding a video sequence based on a decoder buffer condition and a group of picture (GOP) size limitation of the encoded video...
US20070263720 SYSTEM AND METHOD OF ADAPTIVE RATE CONTROL FOR A VIDEO ENCODER  
A method of adaptively adjusting a QP of a video encoder to control output bit rate including estimating the QP based on a complexity of a previous frame and encoding bit rate information of a...
US20050163214 Image recompressing apparatus and image recompressing method  
An image recompressing apparatus includes header information separating means for separating header information and compressed image information from compressed image data obtained by decoding,...
US20080260023 Digital video encoding and decoding with refernecing frame buffer compression  
The digital video encoder or video decoder with referencing frame image compression and decompression mechanism allows a smaller on-chip referencing frame storage device and efficient off-chip...
US20090041119 Method and Device for Coding a Video Image  
The method comprises a coding of a source block according to a coding mode wherein the selection of the coding mode is carried out, for a source block, according to coding error estimations and...
US20090141797 Vector processor acceleration for media quantization  
A method and system for vector processor quantization acceleration for an encoding process. The encoding process is implemented using the hardware of a video processor. The method includes...
US20090103609 ADAPTIVE RATE CONTROL FOR ENCODING OF VARIABLE FRAME RATE VIDEO SOURCES  
Methods, systems, and apparatuses for performing rate control for encoding of video frames are provided. A first timestamp is received that indicates a capture time for a prior video frame. A...
US20060072667 Transcoder for a variable length coded data stream  
The invention relates to a transcoder (100) for a variable length coded data stream such as an MPEG 2 coded data stream transcoder (100) comprises a receiver (101) which receives the variable...
US20050002454 Picture processing apparatus, picture processing method, information processing apparatus, recording medium, and program  
A reusable quantization value Qref included in history information or parameter information is obtained in step S21. In step S22, it is judged whether or not the quantization value Qref obtained...
US20130114690 VIDEO ENCODING DEVICE AND VIDEO DECODING DEVICE  
To efficiently reduce contour and stair-step artifacts. A video encoding device includes an inverse quantization means for inversely quantizing a quantization index to obtain a quantization...
US20150172662 APPARATUSES AND METHODS FOR OPTIMIZING RATE-DISTORTION COSTS IN VIDEO ENCODING  
Apparatuses and methods for optimizing rate-distortion costs of a signal are disclosed. An apparatus may include an encoder. The encoder may be configured to receive a video signal and provide a...
US20080192823 Statistical adaptive video rate control  
A method and apparatus for video rate control for a video encoding system for encoding a video signal includes determining 12 a variance of pixel values over a time t of the video signal and...
US20080198926 Bitrate reduction method by requantization  
The method is characterized in that: if the current macroblock was coded according to the “skipped macroblock” mode and if at least one corrected coefficient block of said macroblock has...
US20130064289 WIRELESS DISPLAY ENCODER ARCHITECTURE  
A method and system may include an interface to receive a video signal and an encoder to compress the video signal on a per-slice basis. In one example, compression of the video signal involves...
US20130089139 SYSTEMS AND METHODS FOR QUANTIZATION OF VIDEO CONTENT  
Several methods, systems, and computer program products for quantization of video content are disclosed. In an embodiment, the method includes determining by a processing module, motion...
US20070025441 Method, module, device and system for rate control provision for video encoders capable of variable bit rate encoding  
In general, a methodology of rate control for a video encoding is provided, which is implementable by the means of a method, a device, a computer program and/or a video encoder. A frame encoding...
US20060209949 Video signal encoding device and video signal encoding method  
Included are: a prefilter (101) for outputting, based on filter characteristics control data, predetermined frequency components in an input video signal as current image data; encoding means...
US20050157791 System and method for video tone scale reduction  
In a method, apparatus, and system, tone scale of a video is reduced. A cumulative diffused error is added to an initial tone value of a base pixel of a current frame of the video to provide an...
US20090052526 ENCODING DEVICE AND DYNAMIC IMAGE RECORDING SYSTEM USING THE ENCODING DEVICE  
To encode a moving picture in real time in as high quality as possible, no matter whether a target bit rate for encoding the moving picture is high or low. An encoder performs motion compensated...
US20150003519 BASEBAND SIGNAL QUANTIZER ESTIMATION  
A method of deblocking an input signal is disclosed. The method generally includes the steps of (A) calculating a plurality of transform coefficients corresponding to each of a plurality of blocks...
US20110007798 METHOD FOR IMPLEMENTING A QUANTIZER IN A MULTIMEDIA COMPRESSION AND ENCODING SYSTEM  
Method For Implementing A Quantizer In A Multimedia Compression And Encoding System is disclosed. In the Quantizer system of the present invention, several new quantization ideas are disclosed. In...
US20050111547 Signaling reference frame distances  
Techniques and tools for signaling reference frame distances are described. For example, a video encoder signals a code for a reference frame distance for a current field-coded interlaced video...
US20080063052 Quantizer Parameter Determination for Video Encoder Rate Control  
An apparatus and corresponding method are provided for encoding video signal data by applying an adaptive quantizer parameter responsive to bit-rate; where a video encoder for encoding video...
US20090080516 METHOD OF ENCODING AND DECODING TEXTURE COORDINATES IN THREE-DIMENSIONAL MESH INFORMATION FOR EFFECTIVE TEXTURE MAPPING  
Provided is a method of encoding and decoding texture coordinates of 3D mesh information. The method of encoding texture coordinates in 3D mesh information includes the steps of: setting an...
US20060088097 Moving picture encoding apparatus having increased encoding speed and method thereof  
Provided are a moving picture encoding apparatus having an increased encoding speed, and a method thereof, where the moving picture encoding apparatus includes a first frame memory storing an...
US20140105284 METHOD AND APPARATUS FOR CODING/DECODING THROUGH HIGH-SPEED CODING UNIT MODE DECISION  
An apparatus for encoding a video includes: a predictor to predict a current block by using a plurality of prediction unit types and generate one or more predicted blocks; a subtracting unit to...
US20150139307 ADAPTIVE TRANSFORM METHOD BASED ON IN-SCREEN PREDICTION AND APPARATUS USING THE METHOD  
Disclosed is an adaptive transform method based on an in-screen prediction, and an apparatus using the method. A method for encoding an image can comprise a step of determining in-screen...
US20150016512 INTER-COLOR COMPONENT RESIDUAL PREDICTION  
A device for decoding video data includes a memory configured to store video data, and at least one processor. The at least one processor may be configured to: determine luma residual samples for...
US20060262847 Method of adaptive encoding video signal and apparatus thereof  
A method for adaptive encoding a video signal and an apparatus therefor. A predetermined frame resolution and quantizer step size are provided. A first input frame of the video signal is...
US20050117647 Method and apparatus for scalable video encoding and decoding  
A method and apparatus for scalable video and decoding are provided. A method for video coding includes eliminating temporal redundancy in constrained temporal level sequence from a plurality of...
US20140269905 RATE CONTROL METHOD AND SYSTEM  
An example method to perform rate control in a parallel encoding system including a plurality of parallel encoders is disclosed. The method may comprise determining a quantization parameter for...
US20060233254 Method and apparatus for adaptively selecting context model for entropy coding  
A method and apparatus for adaptively selecting a context model for entropy coding and a video decoder are provided. A method of coding a residual prediction flag indicating whether residual data...
US20130215961 MOTION VIDEO ENCODING APPARATUS, MOTION VIDEO ENCODING METHOD, MOTION VIDEO ENCODING COMPUTER PROGRAM, MOTION VIDEO DECODING APPARATUS, MOTION VIDEO DECODING METHOD, AND MOTION VIDEO DECODING COMPUTER PROGRAM  
A motion video encoding apparatus includes: a prediction error image generating unit which computes a difference between a block being encoded and a predicted image for the block being encoded and...
US20060104360 Method and system for using motion prediction to equalize video quality across intra-coded frames  
In a video processing system, a method and system for using motion estimation to equalize video quality across intra frames are provided. Inter-prediction processing may be enabled for macroblocks...
US20110228844 MOVING PICTURE ENCODING METHOD AND MOVING PICTURE DECODING METHOD  
According to one embodiment, a moving picture encoding method includes deriving a target filter to be used for a decoded image of a target image to be encoded. The method includes setting a...
US20140169451 Perceptually Coding Images and Videos  
Blocks in pixel images are template matched to select candidate blocks and weights according to a structural similarity and a perceptual distortion of the blocks. The perceptual distortion is a...
US20060133481 Image coding control method and device  
Image coding having high coding efficiency is provided with a small computational complexity by properly determining a prediction mode and a quantization parameter. When an image is coded by a...
US20130094572 PERFORMING TRANSFORM DEPENDENT DE-BLOCKING FILTERING  
In general, techniques are described for performing transform dependent de-blocking filtering, which may be implemented by a video encoding device. The video encoding device may apply a transform...
US20120201297 IMAGE DECODING METHOD, IMAGE CODING METHOD, IMAGE DECODING APPARATUS, IMAGE CODING APPARATUS, PROGRAM, AND INTEGRATED CIRCUIT  
An image decoding method including: obtaining an old quantization scaling matrix which is a decoded quantization scaling matrix and is used for decoding a new quantization scaling matrix;...
US20110075730 Row Evaluation Rate Control  
A communication device and method for controlling a bit rate when encoding video data that includes a plurality of frames. The method includes partitioning a received current frame into groups of...
US20120287989 Inverse Transformation Using Pruning For Video Coding  
A method for decoding an encoded video bit stream in a video decoder is provided that includes determining a scan pattern type for a transform block to be decoded, decoding a column position X and...
US20140098857 Bounded Rate Near-Lossless And Lossless Image Compression  
A system adjusts the quantization parameter used to encode an image sample (e.g., pixel component). The system accesses a quantization parameter for encoding a current image pixel from an implicit...
US20080137735 Processing Video Signals  
A video sequence (4) is subjected to a signal compression process, in which the video sequence is divided (14) into a plurality of segments such that in each segment the number of bits required to...
US20140376618 DYNAMIC VOLTAGE/FREQUENCY SCALING FOR VIDEO PROCESSING USING EMBEDDED COMPLEXITY METRICS  
A video decoder performs a method of dynamic voltage/frequency scaling (DVFS) for video processing. The method includes parsing a bitstream associated with a video to determine embedded...
US20070189380 METHOD AND APPARATUS FOR VIDEO BUFFER VERIFIER UNDERFLOW AND OVERFLOW CONTROL  
A method and apparatus for Video Buffer Verifier (VBV) underflow and overflow control. A combination of picture and slice level control is used in the method and apparatus. Improved prevention of...
US20060176953 Method and system for video encoding with rate control  
Described herein is a rate controller in a video system. The rate controller is comprised of a bit count estimator and a quantization selector. The bit count estimator receives an input to an...