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PowerMaxImageFusion
说明: 图像融合是图像处理的一个研究热点,这里提供一种方法即局部能量最大选取规则图像融合法(Image fusion is image processing of a research hot spot that is here to provide a way to select the rules of the local energy of the largest image fusion method)
- 2008-11-08 19:11:16下载
- 积分:1
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Texture_sys
彩色图像纹理合成(基于Efros-Leung算法)(matlab中应用C的接口)(Implement the non-parametric texture synthesis algorithm of Efros-Leung)
- 2009-02-17 11:59:11下载
- 积分:1
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MeFrm
说明: 傅立叶变换在图像处理中的重要作用:
(A) 图像增强与图像去噪
绝大部分噪音都是图像的高频分量,通过低通滤波器来滤除高频噪声;边缘也是图像的高频分量,可以通过添加高频分量来增强原始图像的边缘;
(B) 图像分割与边缘检测
提取图像高频分量
(C) 图像特征提取
形状特征:傅里叶描述子
纹理特征:直接通过傅里叶系数来计算纹理特征
其他特征:将提取的特征值进行傅里叶变换来使特征具有平移、伸缩、旋转不变性
(D ) 图像压缩
可以直接通过傅里叶系数来压缩数据;常用的离散余弦变换是傅立叶变换的实变换;
(Fourier transform in the important role of image processing:
(A) image enhancement and image denoising
Most of all images of high frequency noise by low pass filter to filter out high frequency noise edge is the image of the high frequency components can be enhanced by adding high frequency components to the edge of the original image
(B) Image segmentation and edge detection
High frequency components extracted image
(C) image feature extraction
Shape features: Fourier descriptors
Texture: directly through the Fourier coefficients to calculate the texture features
Other features: The characteristic value extracted by Fourier transform to the characteristics of translation, scaling, rotation invariance
(D) image compression
Fourier coefficients can be directly compressed data commonly used discrete cosine transform is the Fourier transform of the real transformation
朗读显示对应的拉丁字符的拼音)
- 2011-03-28 19:06:27下载
- 积分:1
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inhance
使用直方图均衡化函数、图像调整函数和自适应直方图均衡化函数,编写用于增强索引图像对比度的程序,显示图像对比度增强效果(Using the histogram equalization function (histeq), image adjustment function (imadjust) and adaptive histogram equalization function (adapthisteq), prepared for image contrast enhancement index procedure, showing the image contrast enhancement)
- 2010-06-15 23:48:11下载
- 积分:1
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EMD-end-effect-reference-code
EMD端点效应参考代码,包含多个算法:极值平均,边界特征尺度延拓,极值延拓,基于ISBM延拓,平行延拓,镜像延拓(EMD end effect reference code contains multiple algorithms: extreme average, the boundary characteristic scale extension, extreme extension, extension based ISBM parallel extension, mirror extension)
- 2021-03-18 16:09:20下载
- 积分:1
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matlabimagetothefuzzy
本例中主要使用四个区模糊函数对图像去模糊,分别是deconvwnr、deconvreg、deconvlucy、deconvblind。这四个函数分别适合不同的情况,对模糊图像的恢复效果也不同(In this case the main use of the four areas on the image to the fuzzy ambiguity function, respectively deconvwnr, deconvreg, deconvlucy, deconvblind. These four functions are appropriate for different situations, the recovery of the blurred image effect is different)
- 2010-09-01 11:42:15下载
- 积分:1
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sarshuju
KI阈值算法,实现SAR图像变化检测时判别变化与非变化的区域所需要阈值的选取(the Kittler and Illingworth minimum-error thresholding algorithm)
- 2011-08-04 15:51:48下载
- 积分:1
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Gscale
说明: 采用matlab实现高斯金字塔,函数Gscale(img,levels,gsize,sigma)(To achieve Gaussian pyramid using matlab)
- 2010-03-21 23:46:52下载
- 积分:1
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Digital-Image-Processing
利用数字图像处理(matlab第二版)中已学过的知识,进行各种图像加噪,去噪处理,复原,增强,以及彩色图像分割处理,(The use of digital image processing (matlab second edition) has been learned in the knowledge, a variety of image noise, denoising, restoration, enhancement, and color image segmentation,)
- 2016-10-31 17:58:02下载
- 积分:1
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watermark.m
%基于DCT的水印算法
%数字水印处理系统主要由水印嵌入和水印检测两个过程。
%水印嵌入过程为:数字水印(X)、原图像(I)和密钥/公钥(K)通过数字水印嵌入算法形成嵌入水印后的图像(I*)。
%水印检测过程为:数字水印(X)、水印图像(I*)和密钥/公钥(K)通过数字水印检测算法检测出数字水印或有无水印。
%基于DCT变换的水印算法:将一个随机序列作为水印信号嵌入到图像DCT变换重要分量的幅度成分中(幅值较大的n个系数作为重要分量)。
%定义一个相似函数来检验水印提取是否成功。试验结果表明,该算法具有不可见性,对通常的图像处理,如剪切、缩放、中值滤波、压缩等
%以及噪声干扰都具有一定的鲁棒性。(err)
- 2021-01-05 20:18:55下载
- 积分:1