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COMPRESSion

壓縮(COMPRESSion)：壓縮是制作數(shù)字電影的一個(gè)重要感念。視頻和音頻在數(shù)字化過(guò)程中都可以通過(guò)電腦進(jìn)行壓縮。當(dāng)聲音和畫面被壓縮后，他們可以更高效的得到CPU的處理并減少視頻及音頻文件占用的硬盤空間。壓縮也是視頻在網(wǎng)絡(luò)上傳播的關(guān)鍵，必須將文件大小壓縮至帶寬允許的程度才可以被用戶下載。

  • The Joint Video Team (JVT) of ISO/IEC MPEG and ITU-T VCEG are finalising a new standard for the cod

    The Joint Video Team (JVT) of ISO/IEC MPEG and ITU-T VCEG are finalising a new standard for the coding (COMPRESSion) of natural video images. The new standard [1] will be known as H.264 and also MPEG-4 Part 10, “Advanced Video Coding”. The standard specifies two types of entropy coding: Context-based Adaptive Binary Arithmetic Coding (CABAC) and Variable-Length Coding (VLC). The Variable-Length Coding scheme, part of the Baseline Profile of H.264, is described in this document.

    標(biāo)簽： finalising standard Joint ITU-T

    上傳時(shí)間： 2013-12-21

    上傳用戶：yuzsu

  • SharpZipLib之前叫做NZipLib

    SharpZipLib之前叫做NZipLib，完全由 C# 開發(fā)的壓縮庫(kù)，支持Zip, GZip, Tar and BZip2 ，為2007年8月最新0852release版的源文件和文檔說(shuō)明！ Changes for v0.85.2 release Minor tweaks for CF, ZipEntryFactory and ZipFile. Fix for zip testing and Zip64 local header patching. FastZip revamped to handle file attributes on extract + other fixes Null ref in path filter fixed. Extra data handling fixes Revamped build and conditional compilation handling Many bug fixes for Zip64. Minor improvements to C# samples. ZIP-1341 Non ascii zip password handling fix. ZIP-355 Fix for zip COMPRESSion problem at low levels

    標(biāo)簽： SharpZipLib NZipLib

    上傳時(shí)間： 2015-12-11

    上傳用戶：84425894

  • SharpZipLib之前叫做NZipLib

    SharpZipLib之前叫做NZipLib，完全由 C# 開發(fā)的壓縮庫(kù)，支持Zip, GZip, Tar and BZip2 ，為2007年8月最新0852release版的代碼實(shí)例！ Changes for v0.85.2 release Minor tweaks for CF, ZipEntryFactory and ZipFile. Fix for zip testing and Zip64 local header patching. FastZip revamped to handle file attributes on extract + other fixes Null ref in path filter fixed. Extra data handling fixes Revamped build and conditional compilation handling Many bug fixes for Zip64. Minor improvements to C# samples. ZIP-1341 Non ascii zip password handling fix. ZIP-355 Fix for zip COMPRESSion problem at low levels

    標(biāo)簽： SharpZipLib NZipLib

    上傳時(shí)間： 2015-12-11

    上傳用戶：love_stanford

  • This book discusses the growth of digital television technology and the revolution in image and vide

    This book discusses the growth of digital television technology and the revolution in image and video COMPRESSion, highlighting the need for standardization in processing static and moving images and their exchange between computer systems

    標(biāo)簽： television technology revolution and

    上傳時(shí)間： 2015-12-23

    上傳用戶：ommshaggar

  • a small program by Yuval Fisher that has gone a long way to revealing some of the secrets of fracal

    a small program by Yuval Fisher that has gone a long way to revealing some of the secrets of fracal image COMPRESSion.

    標(biāo)簽： revealing program secrets Fisher

    上傳時(shí)間： 2015-12-24

    上傳用戶：腳趾頭

  • This library allows creating, modifying and extracting zip archives in the compatible way with PKZIP

    This library allows creating, modifying and extracting zip archives in the compatible way with PKZIP (2.5 and higher) and WinZip. Supported are all possible operations on the zip archive: creating, extracting, adding, deleting files from the archive, modifications of the existing archive. There is also the support for creating and extracting multiple disk archives (on non-removable devices as well) and for password encryption and decryption. This module uses COMPRESSion and deCOMPRESSion functions from zlib library by Jean-loup Gailly and Mark Adler.

    標(biāo)簽： compatible extracting modifying creating

    上傳時(shí)間： 2014-12-22

    上傳用戶：chfanjiang

  • This program compress and recostruct using wavelets. We can select level of decomposition(here maxim

    This program compress and recostruct using wavelets. We can select level of decomposition(here maximum 4 levels are given) of images using selected wavelet. For eg:-wavelets can be haar, db1, db2,dmey............... Decomposition can be viewed in figure. (Please note that select 256X256 image for better result.) Then COMPRESSion can performed, PERFL2 give COMPRESSion score. Then reconstruction can be performed. Each decompsition we can choose different threshold values. For each threshold value we can calculate mse,psnr,pq(picture quality), bit ratio etc. To get pq install pqs function .

    標(biāo)簽： decomposition recostruct compress wavelets

    上傳時(shí)間： 2016-01-22

    上傳用戶：liuchee

  • Jpeg2000編解碼器

    Jpeg2000編解碼器，附VC、Delphi等常用編程語(yǔ)言的使用例程 J2K-Codec ver 1.9 === === === === === === === === ===== Make your graphics look better with an easy-to-use JPEG 2000 decoding component. J2K-Codec can help game developers, screensaver creators and many others to improve their products--to achieve better image quality and reduce installation package size. The new image COMPRESSion standard based on wavelet technology has many interesting features not available in the old JPEG, such as alpha-channel and varied resolution levels.

    標(biāo)簽： Jpeg 2000 編解碼器

    上傳時(shí)間： 2013-12-27

    上傳用戶：kytqcool

  • 老外的超高效率壓縮

    老外的超高效率壓縮，High efficient Data COMPRESSion Library for use with Delphi. Support Rank, ZIP, BZIP and PPM COMPRESSion algorithms. COMPRESSion ratio more than 1.5-2 times better than ZIP/RAR archiver. COMPRESSion speed up to 8 Mb/sec (on PIII-600).

    標(biāo)簽： 高效率

    上傳時(shí)間： 2014-01-02

    上傳用戶：athjac

  • This document is intended to serve as an introduction to Wavelet processing through a set of Matlab

    This document is intended to serve as an introduction to Wavelet processing through a set of Matlab experiments. These experiments will gives an overview of three fundamental tasks in signal and image processing : signal, denoising and COMPRESSion. These scripts are selfs contents (needed additional Matlab functions can be downloaded while reading the lectures). Each one of these five lectures should take between 1h and 2h in order to tests the various features of the scripts. One should copy/paste the provided code into a file names e.g. tp1.m, and launch the script directly from Matlab comand line > tp1 . Some of the scripts contains "holes" that you should try to fill on your own. I also provide the complete correction of these lectures as a set of Matlab scripts, but you should try as much as possible to avoid using them.

    標(biāo)簽： introduction processing document intended

    上傳時(shí)間： 2016-03-22

    上傳用戶：qlpqlq

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