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US20130089265 METHOD FOR ENCODING/DECODING HIGH-RESOLUTION IMAGE AND DEVICE FOR PERFORMING SAME  
A method for encoding/decoding high-resolution image and a device for performing the same set the size of an extended macro-block as the size of a prediction unit to be encoded, according to a...
US20100220789 COMBINED SPATIAL AND BIT-DEPTH SCALABILITY  
Various implementations are described. Several implementations relate to combined scalability. One method is for encoding a combined spatial and bit-depth scalability. The method includes encoding...
US20080044096 Scanner Authentication  
A method of creating a signature for an article can be provided. The method can comprise illuminating regions of the article sequentially by light at non-normal incidence and detecting light...
US20070183676 VIDEO CODING AND DECODING  
A video coding and decoding method, wherein a picture is first divided into sub-pictures corresponding to one or more subjectively important picture regions and to a background region sub-picture,...
US20150010243 METHOD FOR ENCODING/DECODING HIGH-RESOLUTION IMAGE AND DEVICE FOR PERFORMING SAME  
A method for encoding/decoding high-resolution image and a device for performing the same set the size of an extended macro-block as the size of a prediction unit to be encoded, according to a...
US20080095238 SCALABLE VIDEO CODING WITH FILTERING OF LOWER LAYERS  
A First Improvement is Described for Prediction of Motion Vectors to be Used in Prediction of video data for enhancement layer data. Arbitrary pixelblock partitioning between base layer data and...
US20120201474 METHOD AND APPARATUS FOR ENCODING AND DECODING MULTI-VIEW IMAGES BASED ON GLOBAL DISPARITY VECTOR  
A method and apparatus for encoding and decoding multi-view images. The multi-view image encoding method selects a block corresponding to a current block from another picture having a view-point...
US20050013498 Coding of motion vector information  
Techniques and tools for encoding and decoding motion vector information for video images are described. For example, a video encoder yields an extended motion vector code by jointly coding, for a...
US20150010244 METHOD FOR ENCODING/DECODING HIGH-RESOLUTION IMAGE AND DEVICE FOR PERFORMING SAME  
A method for encoding/decoding high-resolution image and a device for performing the same set the size of an extended macro-block as the size of a prediction unit to be encoded, according to a...
US20130064464 IMAGE CODING METHOD AND APPARATUS USING SPATIAL PREDICTIVE CODING OF CHROMINANCE AND IMAGE DECODING METHOD AND APPARATUS  
A coding method including dividing pixels of a chrominance component of an input image into blocks having a predetermined size; selecting one among a direct current prediction method, a vertical...
US20090016626 JOINT CODING OF MULTIPLE TRANSFORM BLOCKS WITH REDUCED NUMBER OF COEFFICIENTS  
A system and method for video/image encoding and decoding, where transform coefficients associated with a plurality of blocks are reorganized and coded together. Various embodiments perform...
US20050008240 Stitching of video for continuous presence multipoint video conferencing  
A drift-free hybrid method of performing video stitching is provided. The method includes decoding a plurality of video bitstreams and storing prediction information. The decoded bitstreams form...
US20090034856 IMAGE ENCODING DEVICE, IMAGE DECODING DEVICE, IMAGE ENCODING METHOD, IMAGE DECODING METHOD, IMAGE ENCODING PROGRAM, IMAGE DECODING PROGRAM, COMPUTER READABLE RECORDING MEDIUM HAVING IMAGE ENCODING PROGRAM RECORDED THEREIN  
An image encoder including: a predicted-image generating unit that generates a predicted image in accordance with a plurality of prediction modes indicating predicted-image generating methods; a...
US20070086663 VIDEO PREDICTIVE CODING APPARATUS AND METHOD  
A predictive coding in a video coding system, which can enhance the coding efficiency by predictively coding DC coefficients of a block to be coded using DC gradients of a plurality of previously...
US20120201475 METHOD AND SYSTEM FOR PROCESSING AN IMAGE  
There is provided according to an aspect the present invention a method and a system for processing a discrete input image to a reduced-size discrete output image. According to some embodiments,...
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...
US20120020580 IMAGE CODING METHOD AND IMAGE DECODING METHOD  
In order to achieve higher coding efficiency, suppress coding artifacts, and not to need a large computing amount, an image and video data are coded. Provided is an image coding method of coding...
US20110176741 IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD  
The present invention relates to an image processing apparatus and an image processing method capable of performing weighted prediction on the basis of local characteristics of an image. An...
US20090238283 METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE  
Provided are a method and apparatus for encoding an image by dividing a prediction block of a current block into a plurality of regions, thereby compensating for average values of pixel values in...
US20060104527 Video image encoding method, video image encoder, and video image encoding program  
A method for encoding a video image includes: generating a prediction image for each of a plurality of pixel blocks that are divided from an input image into a predetermined size, and generating a...
US20050190976 Moving image encoding apparatus and moving image processing apparatus  
To perform an adequate encoding process while cutting a data transfer amount in an encoding process of moving images. A moving image processing apparatus 1 has a motion detection/motion...
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...
US20120106862 IMAGE PROCESSING DEVICE, METHOD, AND PROGRAM  
The present invention relates to an image processing device, method, and program, enabling processing efficiency to be improved. In the event that a block B1 of a sub macro block SMB0 is a block...
US20090003443 PRIORITY-BASED TEMPLATE MATCHING INTRA PREDICTION VIDEO AND IMAGE CODING  
Template matching intra prediction based on a given priority is provided. Priority values of all, or a subset of the pixels on a border between a current block and a reconstructed area are...
US20060159354 Method and apparatus for predicting frequency transform coefficients in video codec, video encoder and decoder having the apparatus, and encoding and decoding method using the method  
Provided are a method and apparatus for predicting frequency transform coefficients in a video codec, a video encoder and decoder having the apparatus, and an encoding and decoding method using...
US20060188165 Spatial prediction based intra-coding  
A method and device for coding a digital image using intra-mode block prediction, wherein the prediction mode of a current block is obtained from the prediction mode of the neighboring blocks....
US20160373740 IMAGE ENCODING DEVICE AND METHOD  
The present disclosure relates to an image encoding device and a method that can suppress a decrease in image quality due to encoding. The image encoding device includes: a control unit configured...
US20080219576 Method and apparatus for encoding/decoding image  
Provided are a method and apparatus for encoding/decoding an image. The method of encoding an image includes predicting pixel values in a first pixel group from among pixel groups of a block of a...
US20070160298 Image encoder, image decoder, image encoding method, and image decoding method  
The present invention provides a technique capable performing encoding with a high image quality and a low bit rate. An image encoder according to the present inventions includes: an image...
US20070009163 Image transmitting apparatus and image receiving apparatus  
An image transmission apparatus has a difference calculator configured to calculate a difference between actual image data and current predicted data based on previous data, a quantizer configured...
US20060098881 Method and apparatus for encoding and decoding image data  
A method of encoding and decoding image data, and an apparatus to perform the method, are provided. The image data encoding method includes: converting and quantizing pixel values of a block of...
US20130058584 IMAGE ENCODING AND DECODING FOR MULTI-VIEWPOINT IMAGES  
An image encoding method includes determining corresponding points on an encoding target image, which correspond to pixels on a reference image, based on distance from a camera of the reference...
US20100284469 Coding Device, Coding Method, Composite Device, and Composite Method  
The present invention relates to an encoding device, an encoding method, a decoding device, and a decoding method which are capable of suppressing deterioration of compression efficiency. The...
US20060188164 Apparatus and method for predicting coefficients of video block  
An apparatus and method are provided for predicting coefficients of a video block. The method, includes determining a predicted value of a DC coefficient of a current block using DC coefficients...
US20120087595 IMAGE ENCODING DEVICE, IMAGE DECODING DEVICE, IMAGE ENCODING METHOD, AND IMAGE DECODING METHOD  
A loop filter 6 includes a region classifying unit 12 for extracting a feature quantity of each of the regions which construct a local decoded image to classify each of the regions into the class...
US20110170793 IMAGE PROCESSING APPARATUS AND METHOD  
The present invention relates to an image processing apparatus and method with which in an intra template matching system, it is possible to improve an encoding efficiency in a case where a change...
US20080043848 Video/audio signal processing method and video/audio signal processing apparatus  
A metadata extraction unit has a feature point selection and motion estimation unit 62 for extracting at least one feature point representing characteristics of the video/audio signals in a...
US20110002554 DIGITAL IMAGE COMPRESSION BY RESIDUAL DECIMATION  
Disclosed is an image encoder that divides a digital image into a set of “macroblocks.” Each macroblock is encoded by applying spatial (and possibly temporal) prediction. The “residual” of the...
US20100080472 IMAGE PROCESSING APPARATUS, MOVING IMAGE DECODING APPARATUS, MOVING IMAGE ENCODING APPARATUS AND METHOD  
An image processing apparatus includes a size acquiring unit that acquires a block size of an orthogonal transformation from encoded data of an image compressed by performing the orthogonal...
US20090169122 METHOD AND APPARATUS FOR FOCUSING ON OBJECTS AT DIFFERENT DISTANCES FOR ONE IMAGE  
A method (300) and apparatus (200) for focusing on images at different distances is disclosed. The method may include focusing on a first object at a first distance, capturing (320) a first image...
US20080089418 Image encoding apparatus and memory access method  
Disclosed is an image encoding apparatus and a memory access method. The image encoding apparatus for encoding image data includes: a memory for storing a frame of the image data; a motion...
US20140029864 COMPRESSION ENCODING AND DECODING METHOD AND APPARATUS  
A compression encoding technique receives a series of data values each represented by a constant number of bits, divides the series into group, and for each group, determines a minimum number of...
US20090274382 ENTROPY DECODING CIRCUIT, ENTROPY DECODING METHOD, AND ENTROPY DECODING METHOD USING PIPELINE MANNER  
An entropy decoding circuit, an entropy decoding method, and an entropy decoding method using a pipeline manner are provided. The entropy decoding circuit includes a coefficient register unit, a...
US20100008592 IMAGE SIGNAL TRANSFORMING AND INVERSE-TRANSFORMING METHOD AND COMPUTER PROGRAM PRODUCT WITH PRE-ENCODING FILTERING FEATURES  
An aspect of an image signal transforming method is a method of generating one or more transformed samples from a plurality of input samples, which includes a first transformed sample generating...
US20090310677 IMAGE ENCODING AND DECODING METHOD AND APPARATUS  
An image encoding apparatus includes a first selector selecting a prediction-order to sub-blocks obtained by further dividing pixel-blocks obtained by dividing a frame of an input-image-signal...
US20080123977 IMAGE ENCODER AND IMAGE DECODER, IMAGE ENCODING METHOD AND IMAGE DECODING METHOD, IMAGE ENCODING PROGRAM AND IMAGE DECODING PROGRAM, AND COMPUTER READABLE RECORDING MEDIUM RECORDED WITH IMAGE ENCODING PROGRAM AND COMPUTER READABLE RECORDING MEDIUM RECORDED WITH IMAGE DECODING PROGRAM  
An image encoder including: a predicted-image generating unit that generates a predicted image in accordance with a plurality of prediction modes indicating predicted-image generating methods; a...
US20160044329 Image Predictive Coding Method and Image Encoder  
An image predictive coding method and an encoder. During a process of encoding a largest coding unit (LCU) in a tile of a current frame, a tile of the current frame is determined first, in which...
US20090279800 IMAGE COMPRESSION APPARATUS, IMAGE EXPANSION APPARATUS, AND IMAGE PROCESSING APPARATUS  
An input pixel valid-bit-number setting unit sets an input pixel valid-bit-number which is the number of gradations of input pixel data. A predictive pixel value generating unit refers to the...
US20090310678 IMAGE ENCODING APPARATUS, METHOD OF CONTROLLING THE SAME AND COMPUTER PROGRAM  
An image encoding apparatus that performs intra-frame predictive encoding is provided. The apparatus includes a partitioning unit configured to partition an inputted macroblock into blocks as...
US20110129162 APPARATUS AND METHOD FOR LOSSLESS/NEAR-LOSSLESS IMAGE COMPRESSION  
Provided is a lossless/near-lossless image compression apparatus and method. The lossless/near-lossless image compression method may include calculating a predicted value by predicting a pixel of...

Matches 1 - 50 out of 124 1 2 3 >