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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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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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MATLAB用于图像或者信号压缩的程序，简单方便-MATLAB for image or signal compression procedures
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一个基于H.264标准的4位图像预测压缩程序，使用MATLAB设计，对图像有着较好的预测处理效果-A standards-based H.264 compression 4 image projections, the use of MATLAB design, has a better prediction of the image processing effect
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对图像进行JPEG压缩编码和解码，用matlab实现-JPEG compression of image encoding and decoding, using matlab implementation
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本程序用matlab编写。实现图像的构造编码。压缩包中的PPT介绍构造编码。一个编码程序，一个解码程序。本程序是无损压缩，编码后可压缩掉30 以上。附有图片。程序有必要的注释。-This program written by matlab. The structure of image coding. PPT introduced compressed package structure encoding. A coding process, a decoding program. This p
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此压缩包包含有小波变换图像处理的多个matlab源代码，包括：小波分解，小波系数分解，小波重构，小波灰值处理等-This compression bag contains wavelet transform image processing of multiple matlab source, including: wavelet decomposition, wavelet coefficients of wavelet decomposition and so on
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使用matlab自带函数实现小波变换，并将压缩后的图像显示出来-Native function implementation using matlab wavelet transform, and display the image after compression
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利用matlab实现数字视频处理的图像采集和压缩采样等运算-Digital video processing using matlab image acquisition and compression sampling and operations
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对图像进行傅利叶变换小波变换小波包变换离散余弦变换离散沃尔什变换二维哈达玛变换-MATLAB-based image conversion and compression
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matlab code to find wavelet compression of an image
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also using vector quantization on image by using matlab program to achieve a good compression ratio
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作业一
要求
用C语言或者VC，VB，Matlab或其他语言完成如下实验：
1）打开一个BMP文件
2）将其局部区域的灰度值进行改变
3）另存为一个新的BMP文件
要求显示出原BMP图像和新BMP图像。
作业二
要求
1. 编程实现图像傅立叶高通、低通滤波。
2. 尝试傅立叶压缩。
作业三
要求
编程实现图像DCT高通、低通滤波。并与傅里叶变换比较。
作业四
要求
找一幅曝光不足的灰度（或彩色）图像，按照直方图均衡化方法进行处
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压缩包内是一个word文档，文档里边包含了许多各种各样的matlab对图像的处理子程序-Compression package is a word document, the document inside contains a variety matlab image processing subroutine
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MATLAB通过DCT对图像进行区域编码以及门限编码压缩-MATLAB through the DCT to do image region code and threshold coding compression
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基于matlab的JPEG压缩源码，含压缩与解压缩，还有与原图的对比测试。-Matlab-based JPEG compression source, including compression and decompression, as well as comparison with the original image.
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图像处理MATLAB程序包括灰色二进制压缩和其他一些方法和其他一些
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此代码是对JPEG图像二次压缩所产生的JPEGGhost进行的Matlab仿真。适合图像取证初学者学习。-This code is a JPEG image generated by the secondary compression JPEGGhost Matlab simulation. Suitable for image forensics for beginners to learn.
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基于DWT的彩色图像数字水印的matlab实现水印的嵌入与提取，能抵抗噪声，剪切，压缩攻击-Based on DWT color image digital watermark matlab watermarking embedding and extracting, can resist noise, shear and compression attack
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基于DWT的彩色图像数字水印的matlab实现水印的嵌入与提取，并对其进行arnold置乱，能抵抗噪声，剪切，压缩攻击-Based on DWT color image digital watermark matlab watermarking embedding and extracting, and carries on the Arnold scrambling, can resist noise, shear and compression attack
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