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Jsteg
Jsteg算法实现,Jsteg是一种基于JPEG的常用信息隐藏算法步骤如下:
首先,把掩体图像分为不重叠的8*8的子块,对每一子块进行DCT并对变换得到的DCT系数进行量化 其次,将待隐藏的信息进行加密,将加密结果嵌入到量化后值不为0,1或-1的DCT系数的最
低有效位(LSB)中,其嵌入顺序是按zigzag扫描顺序进行的。最后,用JPEG的嫡编码(包括哈夫曼编码,游程编码及DPCM)对嵌入秘密信息后的每一子块进行编码,从而得到一个含有秘密信息的JPEG stego文件。(Jsteg Algorithm)
- 2016-03-30 21:45:43下载
- 积分:1
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halcon
一个选择模板的匹配方式,附带视觉标定,可以自由的选择模板进行匹配(A matching pattern of selected templates with visual calibration)
- 2018-03-21 17:09:41下载
- 积分:1
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Fourier-Descriptor
傅里叶描述子用来描述和识别图像中有边缘的物体形状,本程序基于MATLAB,测试可用(Fourier descriptor is to analyze and identify the important objects in the shape of one of the methods. The use of polygon-based curve near Continuous Fourier transform method like Fourier descriptors, and through the main direction of the shape to eliminate the border from Phase of the influence of starting point, define a new rotation, translation and scale invariance of the normalized Fourier Ye descriptor.)
- 2011-06-02 09:39:11下载
- 积分:1
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KmeansPP
使用K-means聚类算法的改进算法K-means++对图像区域进行分割。(using the improved algorithm K-means++ segment image.)
- 2020-06-30 12:40:01下载
- 积分:1
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FuzzyAGV
用C charp编写的图像滤镜效果,包括源代码。(Image filter effects)
- 2014-01-03 09:05:00下载
- 积分:1
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wrk
基于模糊对比度的图像增强方法,大致过程仍然是先把图像从空间域映射到模糊域,在模糊域内通过定义一个局部对比度算子,然后通过对凸函数的加强来放大像素邻域的各像素之间的差异。
(Based on the fuzzy contrast image enhancement method, the general process is still the first images from space domain is mapped to the fuzzy field in fuzzy field through the define a local contrast operator, and then the convex function to enlarge the strengthening of pixels each neighborhood pixel differences.
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- 2012-06-23 19:46:20下载
- 积分:1
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image_disturb
说明: 给图像加扰动,扰动方式以zernike多项式的形式加入,Image为源图像,Co为要加的zernike系数,为行向量,
输出分别为扰动后的图像,扰动PV值,扰动RMS值(failed to translate)
- 2011-04-13 21:48:10下载
- 积分:1
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GMM
利用K-高斯混合模型提取视频的前景信息。(The use of K-Gaussian mixture model for the future of video information extraction)
- 2009-05-04 19:56:17下载
- 积分:1
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匹配滤波器图像识别
利用匹配滤波器实现图形识别,包括程序和说明文档(Graphic Recognition Using Matched Filter)
- 2021-01-17 08:48:45下载
- 积分:1
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interpolation
几种插值方法,双线性,三次,最邻近,sinc(Several interpolation, bilinear, cubic, nearest neighbor, sinc)
- 2011-11-29 13:36:09下载
- 积分:1