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kmeans-image-segmentation

于 2020-10-17 发布文件大小:45KB

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代码说明：

K-meansK均值聚类在无监督的情况下选择图像特征的算法(K-meansK means clustering in the case of unsupervised image feature selection algorithm)

文件列表：

kmeans-image-segmentation
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Digital-image-processing
matlab数字图像处理的程序，里面有基本的处理程序和GUI界面来处理图像(Matlab digital image processing program, which has a basic processing program and an image processing GUI interface)

2017-04-07 20:05:17下载

积分：1
example
这是matlab视频图像处理中提取图像并将其转化为灰度图像的m文件,这是图像处理中的第一步(This is a matlab video image processing to extract images and translate them into gray image of m documents, this is the first step in image processing)

2008-05-13 17:30:10下载

积分：1
A-Watermarking-Algorithm(MATLAB)--
盲水印提取时不需要参考原始载体图像,在信息隐藏、版权保护等方面具有更广泛的应用前景。提出的盲水印算法在分块离散余弦变换(DCT)和离散小波变换(DWT)的基础上,利用关系双方DCT系数和DWT系数在受到攻击时具有相同变化趋势的特点,采用关系嵌入和量化嵌入的自适应选择嵌入策略,较大幅度地提高了盲水印提取的鲁棒性。同时在量化嵌入中采用抖动调制,实现了水印透明性和鲁棒性调节的便捷性。大量仿真实验结果表明该算法对噪声干扰、低通滤波、JPEG压缩、对比度增强等攻击有很好的鲁棒性和透明性。关键词数字水印盲水印关系嵌入量化嵌入离散余弦变换离散小波变换按这篇文章的算法，自己编的matlab,没有攻击时水印提取率为1，加水印后图像PSNR有45+，。有攻击后提取率也有0.9+。(Blind watermark extraction can be fulfilled without referring to the original host image. Therefore it hasmuch prospective applications in the fields of information hiding and copyright protection. Based on blocking Discrete Cosine Transform (DCT) and blocking DiscreteWaveletTransform (DWT), the proposed blind watermarking algorithm uses an embedding strategy of adaptively selecting either relationship embedding or quantization embedding. The relationship em- bedding comes from the observation thatboth themagnitudes of coefficients concerned in the relationship usually have thesame change trend when the image is attacked. This strategy remarkably improves the robustness ofwatermark extraction.In addition, dithermodulation is used in quantization embedding, bywhich the tradeoff between transparency and robus-tness ofwatermarking can be easily adjusted. Simulation results show that the algorithm is fairly robust against the attacks such as noise, filtering, compression, and contrast )

2013-04-14 16:15:47下载

积分：1
EZW
此代码是小波零树算法的matlab实现程序，子程序较为齐全，包括最后计算压缩图像的峰值信噪比和压缩效果的源码。(This code is the wavelet zero-tree algorithm matlab implementation procedures, subroutines are more complete, including the final calculation of the peak signal to noise ratio and the compressed image compression source.)

2009-10-23 09:56:02下载

积分：1
fourier
傅里叶变换的基本概念介绍和应用，做计算和频谱分析时蛮有用的。(fourier transform)

2012-04-10 09:44:29下载

积分：1
TV
说明：关于全变分的图像修复算法。。。。。。。。 (On the whole variational image restoration algorithm. . . . . . . .)

2008-05-12 16:08:26下载

积分：1
zhongxin
自己写的计算一副图像重心的小程序，绝对有用。(Write their own calculation of an image center of gravity of small procedures, absolutely useful.)

2008-08-03 01:16:39下载

积分：1
2A
说明：用于遥感图像分类。其输入为几幅遥感图像，使用k-mean聚类方法对图像中的不同地形进行聚类分割(For remote sensing image classification. Their input for a number of remote sensing images, the use of k-mean clustering method to image the topography of the different cluster partition)

2008-01-16 16:04:20下载

积分：1
FullScreen
全屏显示窗体。通过快捷键F11实现程序全屏显示的效果。(Full-screen display of the form. Through the shortcut key F11 to achieve the effect of full screen display.)

2017-06-02 09:47:51下载

积分：1
accord-kmeans-demo
Kmeans demo program for image segmentation

2012-03-20 23:54:38下载

积分：1

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