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图像修复
说明: 应用DCT字典和KSVD学习字典,对图像进行简单的修复,可行性较高,速度不是很快。(Simple image restoration is feasible and not very fast.)
- 2020-06-28 20:00:01下载
- 积分:1
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区域生长法
说明: 区域生长法进行图像分割,通过选取合适的种子点,将感兴趣区域分割出来。(The region growing method is used for image segmentation, and the region of interest is segmented by selecting appropriate seed points.)
- 2019-03-18 09:27:28下载
- 积分:1
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HistogramEqualization
直方图均衡化,包括动态直方图均衡化,全局直方图均衡化,局部直方图均衡化,以及绘制图像的直方图 其中动态直方图均衡化用A dynamic histogram equalization for image contrast enhancement 只取x=0情况(Histogram equalization, including dynamic histogram equalization, global histogram equalization, local histogram equalization, and where to draw the image histogram dynamic histogram equalization with A dynamic histogram equalization for image contrast enhancement only take x = 0 Happening)
- 2015-07-24 14:04:38下载
- 积分:1
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grayshow
显示图像灰度,可以鼠标点击显示的起始位置及设置显示区域的大小(show the gray of picture ,can click the position and set the scales)
- 2014-12-25 20:22:40下载
- 积分:1
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headtrack
用粒子滤波实现视频中人头跟踪算法,有训练好的人头分类器。()
- 2021-02-05 21:29:57下载
- 积分:1
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ASM
ASM算法的matlab实现,完整的ASM算法流程,包含各个子程序(ASM algorithm matlab achieve complete ASM algorithm process contains various subroutines)
- 2012-12-11 12:50:09下载
- 积分:1
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pwls
PWLS算法主要用于CT重建前的投影数据处理,能够很好的用于CT迭代算法中,对图像进行去噪(PWLS algorithm is mainly used for projection data processing before CT reconstruction. It can be well used in CT iterative algorithm to denoise images.)
- 2020-10-29 10:49:57下载
- 积分:1
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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
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fangpang
包括最后计算压缩图像的峰值信噪比和压缩效果的源码,包含特征值与特征向量的提取、训练样本以及最后的识别,毕设内容,高光谱图像基本处理。( Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Complete set content, basic hyperspectral image processing.)
- 2017-01-16 09:35:14下载
- 积分:1
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WF_1D_CDP
。基于Wirtinger流的相位恢复算法是由Emmanuel J. Candes等于2015年提出的新的相位恢复算法,该方法不再将光场函数局限于非凸集中,而是利用一种新的初始化方式以及迭代规则来寻找最优解。(a new approach about phase retri which is published in 2015)
- 2017-05-07 10:22:24下载
- 积分:1