PURPOSE:To shorten operation time by extracting plural representative blocks representing plural blocks, counting up the volume of compression data, executing the feedback processing of the compression data and finding out a normalizing factor for setting up the total data volume of the compression ...
1.3 Overview of Image Coding and Compression Techniques 1.3.1 Source Coding and Data Compression In computer science and information theory, data compression or source coding is the process of encoding information with fewer bits than an unencoded representation would use based on specific encoding sch...
PROBLEM TO BE SOLVED: To provide a compression/extension processing system for providing the image of high picture quality at all the time even when image processing is performed to a decoded image extended by irreversibly compressing a source image while changing gamma γ. SOLUTION: The init...
Image data compression method and image processing device An image data compressing method for deleting an isosurface generated based on a three-dimensioned data includes: sequentially retrieving triangles in an ascending order of size for a generated isosurface; determining using a representat... A Do...
An image processing apparatus for compressing and decompressing image data. The apparatus includes: a composition circuit for composing composed data, having a predetermined bit width, from the given image data which correspond to spatially continuous pixels of an image; a compression circuit for compre...
High Quality DXT Compression using CUDA. This example shows how to implement an existing computationally-intensive CPU compression algorithm in parallel on the GPU, and obtain an order of magnitude performance improvement. or later Download - Windows x86 ...
(e.g., CNNs) to compression; string searching and manipulation used in compression applications; fractal-based compression methods; information retrieval employing compression techniques; steganography / hidden information with respect to compressed data; minimal-length encoding and applications to learning;...
Method for compressing and decompressing video image data Video image data compression and decompression method, in a basic analysis of the video image of the video data, when the pixels adjacent to each other, de... U·普罗克诺 被引量: 0发表: 2003年 Image processing apparatus and image proc...
Image processing device, method and recording medium for compressing image dataThere is provided an image processing device that can sufficiently improve compression efficiency with a slight processing load. ;An image processing device for ... TARO YOKOSE 被引量: 0发表: 2003年 Optimizing Satellite ...
PROBLEM TO BE SOLVED: To attain decoding in the unit of pixels and to realize high compression rate. SOLUTION: The method for compressing image data includes a step S2, where received image data are divided into 1st pixel sets, a step S3 where 2nd pixel sets each consisting of a representa...