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edge_detection
利用小波边缘检测算法实现对图像的边缘检测，效果良好。(Wavelet edge detection algorithm on edge detection with good results.)
- 2010-05-10 20:24:26下载
- 积分：1
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underwater
水下图像的增强及边缘检测，效果很好，具有很好的参考作用(Underwater Image Enhancement and Edge Detection)
- 2015-11-11 08:50:00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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super-reserlution
说明： 在一图像中加入噪声，是超分辨率中的一个重要步骤哦(noise)
- 2010-03-25 19:00:08下载
- 积分：1
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sift
说明： 适用于SIFT检测缺陷，检测方法还行，可以调试调试就使用了(Template matching defect detection)
- 2020-09-05 13:50:16下载
- 积分：1
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small
根据相机的指向数据，实现对亮星星表9110颗星在探测器上的模拟投影，得到序列星图(According to the data of the camera, to achieve the Bright Star Catalogue 9110 stars on the detector simulation projection to obtain sequence star map)
- 2016-04-14 14:52:19下载
- 积分：1
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weighted-spatial-
多径条件下基于加权空间平滑的阵元幅相误差校正(Multipath based on weighted spatial smoothing array element amplitude and phase error correction)
- 2013-12-12 13:20:38下载
- 积分：1
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colorimagerestoration
说明： 一种基于tv模型的彩色图像修复方法，效果很好(Tv model based on color image restoration)
- 2010-03-19 09:30:14下载
- 积分：1
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基于MATLAB的图像面积测量方法
说明： 用MATLAB实现不规则图像的面积测量，采用像素灰度值的占比进行实现(Area Measurement of Irregular Images Using MATLAB)
- 2020-11-06 17:49:49下载
- 积分：1
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mainjj
图像读取与显示，图像二值化，边缘检测，边缘追踪(Read and display image, image binarization, edge detection, edge tracking)
- 2010-05-29 15:41:47下载
- 积分：1
