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SAR
SAR多普勒成像算法matlab实现以及逆合成孔径雷达回波信号成像(Matlab implementation of SAR Doppler imaging algorithm and echo signal imaging of inverse synthetic aperture radar)
- 2017-11-15 16:59:51下载
- 积分：1
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fftchazhi
基于matlab平台的fft加窗插值算法，适用于信号分析(Wft window interpolation algorithm based on matlab platform, suitable for signal analysis)
- 2020-06-24 11:20:02下载
- 积分：1
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JAFFE
数据库是由10个人的7种正面表情组成的213幅灰度图像，图像是以大小为256256的8位灰度级存储的，格式为.tiff型，平均每个人每种表情有2到4张。( the JAFFE database[11] which is
composed of 213 images of female facial expression
corresponding to 10 distinct subjects. Each image is stored at a
resolution of 256×256 pixels and 8-bit gray level. Each subject
in the database is represented with 7 categories of expression
(angry, disgust, fear, neutral, sadness, happiness and surprise). )
- 2012-12-20 10:31:00下载
- 积分：1
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SAD
实现了立体匹配的SAD算法计算视差图，结果比较理想(Using the SAD algorithm to calculate the disparity map of stereo matching, the result is good.)
- 2012-05-08 16:02:28下载
- 积分：1
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colortexture
说明： matlab编写的图像处理程序，用于提取图像的纹理、颜色特征。(matlab image processing procedures to prepare for the extraction of image texture and color features.)
- 2008-11-01 15:35:25下载
- 积分：1
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rat
RAT power toy (KOL)
- 2019-03-02 10:00:04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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基于MATLAB的小波阈值去噪
说明： 基于matlab的简易小波阈值去噪，小波变换基础上变换阈值实现对图像的去噪(Matlab based on the simple wavelet transform, simple image denoising)
- 2020-05-06 16:56:07下载
- 积分：1
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SAMP-package
实现对图像进行二维小波变换，实现图像压缩，并实现图像的压缩传感(Image wavelet transform, to achieve the two-dimensional image wavelet transform for image compression, and compressed sensing to achieve)
- 2011-06-22 09:23:33下载
- 积分：1
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tuxingtuxiangchuli
介绍了一些图形图像处理的基本方法，实验方案以及实验结果及代码等。(Graphics and Image ProcessingGraphic image processing
)
- 2013-05-14 11:14:07下载
- 积分：1
