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image_compress
本程序利用奇异值分解对3通道彩色图像进行压缩分解,具体步骤如下:
压缩过程:
1. 选取子图像大小K值,把图像分解成M×M个子图像,IMG(s),s=1,2,…, M2,其中M=N/K,原始图像IMG大小为N×N。
2. 计算这M2个子图像的平均值average,对每幅子图像减去均值图像得到新图像。
3. 计算相关矩阵R,其元素定义为 。
4. 计算R的特征值与特征向量,计算每幅子图像与最大特征向量的内积,便得到编码,即压缩后的图像。
(This procedure using singular value decomposition of 3-channel color image compression decomposition, concrete steps are as follows: compression process: 1. Select the sub-image size K value, the image is decomposed into M × M sub-image, IMG (s), s = 1, 2, ..., M2, in which M = N/K, the original image IMG size N × N. 2. M2 calculate the average of sub-image average, for each sub-image minus the new images mean images. 3. Calculation of correlation matrix R, defined as its elements. 4. Calculation of the characteristics of R value and eigenvector calculated each sub-image with the largest eigenvector of the inner product, they will have to code, that is, the compressed images.)
- 2008-01-03 23:00:33下载
- 积分:1
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GSM
说明: GSM系统卷积码和交织编码在突发信道和AWGN信道误码特性(GSM system convolutional code and interleaved coded in the emergency channel and AWGN channel BER performance)
- 2010-04-18 13:39:36下载
- 积分:1
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Program
Function to make rotation matrix
- 2013-03-18 05:44:54下载
- 积分:1
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shootingmethod
在解光学常微分方程中的打靶法。可以结合MATLAB解方程。(Optical Solutions for Ordinary Differential Equations in the shooting method. MATLAB Solution of equations can be combined.)
- 2010-05-23 10:58:17下载
- 积分:1
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steganografi
steganografy using Least significant bit
- 2014-10-27 20:07:36下载
- 积分:1
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LPPmatlab
流行学习方法局部保持投影(LPP)算法MATLAB代码(Popular learning methods locality preserving projections (LPP) algorithm MATLAB code)
- 2021-01-03 00:38:57下载
- 积分:1
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MATLAB
matlab学习书籍,有初级教程和高级讲义(the book for studying matlab which has two different scales)
- 2011-01-25 14:31:01下载
- 积分:1
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lbjsf
已知训练序列的LBG算法的matlab实现,(LBG algorithm matlab realize the known training sequence,)
- 2020-11-01 16:29:57下载
- 积分:1
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dct-dft-wmaaking
数字水印嵌入和提取算法 包含时空域和变换域的算法的matlab实现(Airspace and transform domain algorithm matlab achieve the digital watermark embedding and extraction algorithm contains)
- 2013-03-31 09:20:55下载
- 积分:1
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Ultrasound_imaging_xianzhen
处理超声设备用线阵探头采集到的RF数据,对其进行分析,并进行成像。(signal processing)
- 2014-12-03 16:47:48下载
- 积分:1