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这两个小程序均是matlab的.m文件,分别实现数字图像矩阵数据的显示及其傅立叶变换和二维离散余弦变换的图像压缩。-these two small procedures are Matlab. M documents, Digital images were data matrix display and two-dimensional Fourier transform and discrete cosine transform image compression.
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程序代码说明
P0301:数字图像矩阵数据的显示及其傅立叶变换
P0302:二维离散余弦变换的图像压缩
P0303:采用灰度变换的方法增强图像的对比度
P0304:直方图均匀化
P0305:模拟图像受高斯白噪声和椒盐噪声的影响
P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308:图像的自适应魏纳滤波
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程序代码说明
P0301:数字图像矩阵数据的显示及其傅立叶变换
P0302:二维离散余弦变换的图像压缩
P0303:采用灰度变换的方法增强图像的对比度
P0304:直方图均匀化
P0305:模拟图像受高斯白噪声和椒盐噪声的影响
P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308:图像的自适应魏纳滤波
P0309:运用5种不同的梯度增强法进行图像
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图象的消噪,图象的压缩,图象的融合,图象的增强(matlab)-image denoising, image compression, image fusion, image enhancement (Matlab)
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计算机图象处理,图象压缩处理,图像压缩的几个MATLAB算法:分块编码、高斯金字塔、离散余弦变换、单值分解。-computer image processing, image compression, image compression algorithm several MATLAB : Block Coding, Gaussian pyramid, discrete cosine transform, singular value decomposition.
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用MATLAB进行静态图像压缩编程中的游长编码部分的程序实现-using MATLAB programming static image compression of outbound long-coding part of the program
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用MATLAB编程实现静态图像压缩时,对图像块进行哈富曼编码的程序实现-MATLAB programming static image compression, image block of Kazakhstan Fu Man coding program
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matlab实现二维离散余弦变换的图像压缩程序,可以学习一下,matlab implementation of two-dimensional discrete cosine transform image compression process, can learn about
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独立分量分析 方法 压缩 与 解压 图像。 MATLAB 实现,有测试平台。,Independent Component Analysis image compression and decompression. MATLAB realization of a test platform.
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用小波变换的方法进行图像压缩、去噪、分解、合成的matlab程序。-Method using wavelet transform for image compression, denoising, decomposition and composition of the matlab program.
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基于Matlab的JPEG2000图像压缩实现,离散小波变换DWT,程序中图片的位置修改下可以自己运行程序看到效果-Matlab-based implementation of the JPEG2000 image compression, discrete wavelet transform DWT, where the image changes the program may be run its own program to see results
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基于奇异值分解(SVD)的图像压缩算法matlab实现-Based on singular value decomposition (SVD) to achieve image compression algorithm matlab
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matlab 压缩率计算函数 用于计算压缩前后图像大小比值-matlab function of compression rate used to calculate the compression ratio before and after the image size
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数字信号处理实验,DCT图像压缩,内含有matlab实验m文件以及实验报告,供大家参考。-Digital signal processing experiment, DCT image compression, contains matlab experiment m documents and the experiment report for your reference.
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第十章 MATLAB 图像正交变换
10.1 正交变换通用算子
10.2 傅立叶变换
10.2.1 傅立叶变换的原理
10.2.2 傅立叶性质
10.2.3 二维离散傅立叶变换( 2DDFT )
10.2.4 快速傅立叶变换( FFT )
10.2.5 傅立叶变换的研究与应用
10.3 离散余弦变换
10.3.1 DCT 变换矩阵
10.3.2 dct2 函数和 dctmtx 函数
10.4 Walsh- Hadamard 变换
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本程序基于Matlab,初步实现图像增强的基本操作,实现 图像明暗度调整, 图像旋转,更改颜色显示方式,直接灰度调整,图像求反,动态范围压缩,显示原始图像直方图,直方图均衡化,滤波增强等功能-This procedure based on Matlab, the initial realization of the basic operation of image enhancement, image brightness adjustment, image rotation, change t
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该程序(jpeg_quality_score)是基于matlab平台,NR中精典算法,对JPEG压缩格式的图像进行客观评价-The program (jpeg_quality_score) is based on matlab platform, NR in the classical algorithm for JPEG image compression format to conduct an objective evaluation
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用matlab实现的图像压缩和恢复功能,经过实验能够运行的。-Using matlab to achieve the image compression and restoration of function, after the experiment to run.
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图像压缩传输过程中减少量化干扰的算法
参见论文原文http://eeweb.poly.edu/~onur/publish/sub.pdf-SUBSPACES OF QUANTIZATION ARTIFACTS FOR IMAGE TRANSFORM COMPRESSION
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ch5_1_1: 图像灰度线性变换 (§5.1.1)
ch5_1_2: 图像灰度分段线性变换 (§ 5.1.1)
ch5_1_3: 采用对数形式的变换函数进行动态范围压缩 (§5.1.1)
ch5_1_4: 图像直方图的均衡化 (§5.1.2)
ch5_1_5: 直方图规定化 (§5.1.2)
-ch5_1_1: image linear transformation (§ 5.1.1) ch5_1_2: piecewise linear image transform (§
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