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US20140185930 Image Prediction Based on Primary Color Grading Model  
Inter-color image prediction is based on color grading modeling. Prediction is applied to the efficient coding of images and video signals of high dynamic range. Prediction models may include a...
US20140037205 Image Prediction Based on Primary Color Grading Model  
Inter-color image prediction is based on color grading modeling. Prediction is applied to the efficient coding of images and video signals of high dynamic range. Prediction models may include a...
US20140376827 PREDICTIVE POSITION ENCODING  
A method and apparatus for position coding of three dimensional mesh models are described including estimating a symbol probability of a non-empty-child-cell Cl,k, where Ql,k denotes the kth cell...
US20140105513 Z-PLANE COMPRESSION WITH Z-PLANE PREDICTORS  
A method for compressing graphics data comprises selecting z-planes from a plurality of z-planes. The selected z-planes are predictor z-planes. A residual is determined for each sample not covered...
US20110311153 REDUCED CALCULATIONS IN DETERMINING INTRA-PREDICTION TYPE METHOD AND SYSTEM  
The method, system, and apparatus of source statistics based intra prediction type is disclosed. In one embodiment, a method includes classifying a four-pixel square block in an edge class (e.g.,...
US20140185948 METHOD FOR STORING MOTION PREDICTION-RELATED INFORMATION IN INTER PREDICTION METHOD, AND METHOD FOR OBTAINING MOTION PREDICTION-RELATED INFORMATION IN INTER PREDICTION METHOD  
Provided are methods for storing and obtaining motion prediction-related information in inter motion prediction method. The method for storing the motion prediction-related information may include...
US20120251015 DECODING METHOD, DECODING APPARATUS, CODING METHOD, AND CODING APPARATUS  
A decoding method includes: obtaining a plurality of quantization parameter sets from a header of a coded stream (S400); parsing an identifier from a header of a coded picture included in the...
US20120141040 METHOD OF COMPRESSING SEQUENCE OF STROKES  
A method of compressing a sequence of strokes input at an input device of a processing system is provided in which each stroke input at the input device is represented as a series of digital words...
US20120200575 PIXEL BLOCK COMPRESSION AND DECOMPRESSION  
Compression of a pixel block having multiple pixels comprises calculating a respective prediction error for each pixel component of the pixels except a defined starting pixel. Respective minimum...
US20110007978 Method Of Compressing Input Stroke Sequence  
A method of compressing a sequence of strokes input at an input device of a processing system is provided in which each stroke input at the input device is represented as a series of digital words...
US20130136374 METHOD AND APPARATUS FOR ENCODING THAT INTRA PREDICTION BASED ON MODE OF VARIABLE SIZE PARTITION IS APPLIED IN MACRO BLOCK  
A method for encoding that adaptive intra prediction based on a mode of variable size partition is applied in a macro block, includes calculating average values of the macro blocks to set the...
US20130094776 METHOD FOR CODING AND AN APPARATUS  
The disclosure relates to encoding and decoding image information. The encoding comprises receiving a block of pixels; determining a set of potential reference samples for the block of pixels;...
US20120294545 PREDICTIVE CODING METHOD FOR CODING TEXTURE OF IMAGE  
A predictive coding method for coding intra of frames is revealed. Firstly, an encoder divides an image frame into a plurality of macroblocks. Then the encoder sets predictive coding models...
US20080310745 ADAPTIVE COEFFICIENT SCANNING IN VIDEO CODING  
This disclosure describes techniques for scanning coefficients of video blocks, e.g., quantized and transformed coefficients. Rather than use conventional zig-zag scanning, the techniques of this...
US20130011075 ENCODING APPARATUS AND ENCODING METHOD  
According to one embodiment, an encoding apparatus includes a first quantizer, a second quantizer, a predictor and a calculator. The first quantizer quantizes an input block to obtain a first...
US20140010469 PICTURE ENCODING AND DECODING METHOD, PICTURE ENCODING AND DECODING DEVICE AND NETWORK SYSTEM  
A picture encoding and decoding method, a picture encoding and decoding device and a network system are provided, in which, the picture encoding method includes: determining a prediction block...
US20150003751 PICTURE CODING APPARATUS, PICTURE CODING PROGRAM, PICTURE DECODING APPARATUS, AND PICTURE DECODING PROGRAM  
A temporary prediction mode determining unit temporarily determines a prediction mode used to code a coding target pixel, based on a relation between the decoded value of a locally decoded pixel...
US20130148907 Guided Post-Prediction Filtering in Layered VDR Coding  
A visual dynamic range (VDR) coding system creates a sequence of VDR prediction images using corresponding standard dynamic range (SDR) images and a prediction function. For each prediction image,...
US20090060038 Encoding device and encoding method and decoding device and decoding method  
An encoding device including a calculation result storage unit adapted to store information based on a result of a difference calculation of the differential encoding along with information on a...
US20120308150 Predictive-Transform Source Coding With Subbands  
A method, system, and apparatus are directed towards computing minimum mean squared error (MMSE) predictive-transform (PT) source coding integrated with subband compression to further improve the...
US20110116723 Index-Based Pixel Block Processing  
A pixel block (300) is compressed by determining a reference set of multiple reference property values (10-14). A value index associated with a reference property value of the reference set is...
US20110129161 HYBRID PREDICTION APPARATUS AND METHOD FOR ENTROPY ENCODING  
Provided are a hybrid prediction apparatus and method for entropy encoding that may enhance an existing image compression scheme and prediction scheme by including and selectively using a...
US20120063692 APPARATUS AND METHOD FOR MULTILAYER PICTURE ENCODING/DECODING  
Provided is a multilayer picture encoding/decoding apparatus and method for reducing a dynamic range of residual pictures occurring in enhancement layers. The multilayer picture encoding method...
US20130315495 PICTURE CODING METHOD AND PICTURE DECODING METHOD  
The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated...
US20130034308 PICTURE CODING METHOD AND PICTURE DECODING METHOD  
The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated...
US20110293196 PICTURE ENCODING AND DECODING  
Video is encoded by applying a vertically and horizontally separable transform to provide a block of transform coefficients; and quantising the transform coefficients. Prior to quantisation, a...
US20120275719 SELECTIVE PREDICTOR AND SELECTIVE PREDICTIVE ENCODING FOR TWO-DIMENSIONAL GEOMETRY COMPRESSION  
A selective predictor utilizes a selective prediction method for coordinate data encoding. The selective predictor may calculate multiple prediction vectors for each vertex in the shape traversal...
US20100098156 WEIGHTED PREDICTION BASED ON VECTORIZED ENTROPY CODING  
This disclosure describes methods that control the selection of predictive coding techniques for enhancement layer video blocks based on characteristics of vectorized entropy coding for such...
US20110249908 Optimized Prediction Based Image Compression  
A technique for optimizing a prediction method of samples in blocks of an image is provided. The image includes a first block, a second block, a third block, and a fourth block, each of the blocks...
US20110299788 IMAGE ENCODING AND DECODING DEVICE  
A picture encoding device (100) may include a unit (110) for selecting a division method of a target region from among a plurality of division methods, and a unit (104) for dividing the target...
US20090003452 WYNER-ZIV SUCCESSIVE REFINEMENT VIDEO COMPRESSION  
Improved methods, systems, and devices for Wyner-Ziv video compression are provided based on the disclosed successive resolution refinement techniques. The disclosed resolution refinement schemes...
US20110206288 IMAGE ENCODING/DECODING SYSTEM USING GRAPH BASED PIXEL PREDICTION AND ENCODING SYSTEM AND METHOD  
Provided are an image encoding/decoding system and method using a graph-based pixel prediction, and a depth map encoding system and method. The encoding system may generate an edge map based on a...
US20080101709 SPATIAL SPARSITY INDUCED TEMPORAL PREDICTION FOR VIDEO COMPRESSION  
A method and apparatus are disclosed herein for spatial sparsity induced temporal prediction. In one embodiment, the method comprises: performing motion compensation to generate a first motion...
US20110262050 Two-Layer Prediction Method for Multiple Predictor-Set Intra Coding  
An apparatus comprising a processor configured to receive a current block of an image, determine an optimal prediction mode of a plurality of prediction modes for the current block, wherein the...
US20130077871 Methods and Apparatus for Determining Quantization Parameter Predictors from a Plurality of Neighboring Quantization Parameters  
Methods and apparatus are provided for determining quantization parameter predictors from a plurality of neighboring quantization parameters. An apparatus includes an encoder for encoding image...
US20070165958 Method for compressing/decompressing video information  
The invention relates to a method for compressing video information in a video sequence (It, It+1). According to the invention, this method comprises the steps of: . segmenting a first video frame...
US20080260270 SPATIALLY ENHANCED TRANSFORM CODING  
A system and method for improving prediction error coding performance of various video compression algorithms. Various embodiments combine the energy compaction features of transform coding with...
US20120087412 Method for Determining Boundary Strength  
A method for determining the boundary strengths of edges in a block-based digitally encoded image is disclosed. The method includes setting the boundary strength of two adjacent blocks in an Inter...
US20080123976 Remote Picture Editing  
A system and method for remote picture editing is provided. High-resolution digital image files containing metadata are uploaded onto a hub from computers local to one or more photographers at an...
US20110222790 METHODS FOR PROCESSING 2Nx2N BLOCK WITH N BEING POSITIVE INTEGER GREATER THAN FOUR UNDER INTRA-PREDICTION MODE AND RELATED PROCESSING CIRCUITS THEREOF  
A method for processing a 2N×2N block under intra-prediction includes: utilizing an intra-prediction unit for performing intra-prediction upon the 2N×2N block by utilizing a plurality of...
US20130188885 APPARATUS AND METHOD FOR CODING IMAGE, AND NON-TRANSITORY COMPUTER READABLE MEDIUM THEREOF  
According to one embodiment, a prediction unit generates a prediction block to be used for prediction of a coding target block, based on at least one reference block adjacent to the coding target...
US20100310184 DUAL PREDICTION VIDEO ENCODING AND DECODING METHOD AND DEVICE  
A method and apparatus for second order prediction are provided. In the decoding method, the reconstruction of decoded picture comprises second order prediction and compensation and second...
US20100296746 Prediction-Based Image Processing  
A pixel block (300) is compressed by selecting a start depth value and a restart depth value based on the multiple depth values of the pixels (310-318) in the block START (300). A respective plane...
US20080310507 ADAPTIVE CODING OF VIDEO BLOCK PREDICTION MODE  
This disclosure describes techniques for coding of header information of video blocks. In particular, the techniques of this disclosure select one of a plurality of prediction modes for use in...
US20110194783 Systems and Methods of Inter-Frame Compression  
A system and method for rendering images, and performing operations such as windowing and leveling, when the parameters of a client appliance are known and rendering images when the parameters of...
US20090087110 MULTIMEDIA CODING AND DECODING WITH ADDITIONAL INFORMATION CAPABILITY  
A multimedia coding and decoding system and method is presented that uses the specific prediction mode to signal supplemental information, e.g., metadata, while considering and providing trade...
US20090087109 REDUCED CODE TABLE SIZE IN JOINT AMPLITUDE AND POSITION 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 jointly encoding joint events that each are defined by a cluster of...
US20060262981 Calculation method for prediction motion vector  
A method for calculating a prediction motion vector of a block to be coded, by performing a median operation using motion vectors of neighboring blocks. If one of the neighboring blocks has motion...
US20140016865 SYSTEM AND METHOD FOR SCALAR QUANTIZATION ERROR REDUCTION  
To reduce artifacts caused by quantization errors in image compression systems, an offset is added to quantized samples at low frequency sections of a macroblock. A decoder uses the offset after...
US20140314330 INTER-IMAGE PREDICTION METHOD AND DEVICE AND CORRESPONDING CODING METHOD AND APPARATUS  
The invention relates to a method for predicting a pixel block of an image using a weighted sum of pixel blocks belonging to patches of a dictionary from a set of candidate patches, each patch...

Matches 1 - 50 out of 422 1 2 3 4 5 6 7 8 9 >