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利用DCT变化对tif图像进行压缩利用DCT变换进行图像压缩的MATLAB程序-Changes in the use of DCT compression of tif images using DCT transform image compression MATLAB program
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This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
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JPEG 静态图像压缩
各文件功能说明如下:
1) JPEG压缩程序:gendat.exe
2) 为压缩后的数据加上JPEG文件头的程序genjpg.exe
3) 解JEPG压缩程序extrdat.exe
其中:(1)的输入参量是需要生成的压缩文件的名字。
主程序流程为:
a) 程序初始化,读取文件名称、原始图像数据等基本数据;
b) 从AC.TAB和DC.TAB两个文件生成AC表和DC表,存入数组
c) 以8×8为样本单位进行DCT变换
d) 以8×8为
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VC++图像DCT快速变换演示源码
VC++图像DCT快速变换演示源码,一共演示了普通DCT、快速DCT、快速IDCT算法的实现,效果一般,不过代码写得不错。程序执行后,将每一种变换的结果存为TXT文档 ,方便查看-VC++ image DCT fast algorithm demo source VC++ source code image DCT fast transform presentation, a total of presentation of ordinary DCT, f
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dct变换与dct逆变换,程序可以直接运行,代码中有详细注释,容易理解。-dct dct transform and inverse transform, the program can run the code in detail in notes, easy to understand.
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该程序实现了分布式视频编码的编码端,包括视频帧的分类、分块、DCT变换、量化、编码-The program implements a distributed video coding encoding side, including the classification of video frames, block, DCT transform, quantization, coding
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图像处理基础知识开发的这些程序源码对新手非常有帮助!4)对图像进行离散余弦变换处理(图像变换)的源源代码,编译后的可执行文件须带参数运行。dct.cpp 使用方法:dct BMP文件名
-Image processing program source code developed by the basic knowledge is very helpful for the novice! 4) the image discrete cosine transform processing (
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The program performs image compression using DCT transform coding
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该程序功能为对图像文件进行DCT变换,和系数置零后的重构。-The program functions as a DCT transform of the image file, and the coefficient of zero after reconstruction.
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一个不错的程序, For fast DCT and lapped transform-A good program, For fast DCT and lapped transform
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