搜索资源列表
GetDiffValue
- 彩色图像做差运算，并分RGB 以及亮度进行直方图统计，计算得到二阶导数为零的点，完全自主创作，效果理想-color image so poor operation and the hours for RGB and luminance histogram statistics, calculated second-order derivative of the zero point, entirely independent creation, the result is satisfactor
511
- 矩阵中的每一个元素称为像元、像素或图像元素。而g(i, j)代表(i, j)点的灰度值，即亮度值。 由于g (i, j)代表该点图像的光强度（亮度），而光是能量的一种形式，故g (i, j)必须大于零，且为有限值，即： 0＜=g (i, j)＜2n。 用g (i, j)的数值来表示(i, j)位置点上灰度级值的大小，即只反映了黑白灰度的关系。 数字化采样一般是按正方形点阵取样的， -each of the matrix elements known as a pixel, pixe
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- 矩阵中的每一个元素称为像元、像素或图像元素。而g(i, j)代表(i, j)点的灰度值，即亮度值。 由于g (i, j)代表该点图像的光强度（亮度），而光是能量的一种形式，故g (i, j)必须大于零，且为有限值，即： 0＜=g (i, j)＜2n。 用g (i, j)的数值来表示(i, j)位置点上灰度级值的大小，即只反映了黑白灰度的关系。 数字化采样一般是按正方形点阵取样的， -each of the matrix elements known as a pixel, pixe
waveletharrsoft
- 小波软阈值去噪soft harr.rar 将文件所在目录设为工作目录，然后打开wavlet.fig,在noise提示框下输入噪声强度，在0-0.1之间（不能为零）。然后点process按钮，就会显示实验结果，包括原图像，加噪图像，去噪图像的对比以及当前的psnr值。 wavlet.m是程序文件。-wavelet soft thresholding soft harr.rar file directory as the working directory. wavlet.fig then open
selfCorrelationInRandomization
- 产生零均值单位方差高斯白噪声的1000个样点,估计随机过程的自相关序列-units have zero mean Gaussian white noise variance to the 1,000-point, it is estimated that the random process autocorrelation sequence
Kalman_Filter
- 卡尔曼滤波源代码 Some brief notes ---------------- kfdemo.m is a Matlab scr ipt file to run a demonstration of the Bayesian Kalman filter. It loads file kfdemo.mat (saved as version 4 so that it will read in either v4 or v5 Matlab). The oth
yuchuli
- 盲信号图像预处理的程序，包括白化处理，零均值，和归一化处理！-The pretreatment of habits, program, including bleaching processing, zero mean, and the normalized processing!
Spatial-filtering-of-images
- 现有三幅图像，图像1是包装瓶中的气泡图片，图像2是印刷电路板的元器件焊接质量检查图，图像3是封装后的胶囊状药品。实验要求从这三幅图片中， 1. 选择一副图像，并叠加零均值高斯噪声，分别利用均值滤波和中值滤波器对该有噪图像进行滤波，显示滤波后的图像，比较两滤波器的滤波效果。 2. 选择一副图像，并叠加椒盐噪声，分别用均值滤波器，中值滤波器对该图像进行滤波，比较滤波器的滤波效果。 3. 选择一幅图像，分别利用Laplacian算子和Sobel算子对图像进行锐化操作，比较锐化的效果。-Th
hough2
- hough变换中，进行了hough变换，峰值检测，找非零点，找到相关像素后，还要执行这个操作，才能实现功能-hough transform for the hough transform, peak detection, to find non-zero, after finding the relevant pixel, but also the implementation of this operation, to achieve functional
src
- 图像线性插值，包括nearest neighbor(pixel duplication)，bilinear，bicubic，lanczos，B-spline， cubic，Fourier zero-padding (sinc)-Image linear interpolation, including nearest neighbor (pixel duplication), bilinear, bicubic, lanczos, B-spline, cubic, Fourier zero-pa
laplace-transform
- 利用matlab画出函数的零极点图和拉普拉斯变换曲面图。可观察曲面图的峰点和谷点与零、极点分布的对应关系。-Function zero degree figure and laplace transform 。
lsydwt2
- 文本水印，基于小波的零水印，实现是文本文档的版权认证，鲁棒性好。-Text watermark, wavelet-based zero-watermark, the realization of a text document is copyright authentication, better robustness.
VOICEBOX
- matlab中的voicebox工具箱，可以处理短时过零率等，下载加入即可使用-The VoiceBox matlab toolbox to deal with short-time zero-crossing rate, etc. to join you can use to download
lapulasi
- Laplacian 算子是一种常用的二阶导数算子，实际中可根据二阶导数算子过零点的性质来确定边缘的位置。Laplacian 算子对图像中的噪声相当的敏感-Laplacian operator is a common second derivative operator。 In practice ，That the second derivative operator must pass zero-crossing point determines the nature of the locat
houghpixels
- hough变换中的非零点检测，找到非零点，进行累加，才能找出直线-hough transform in the detection of non-zero, to find non-zero, to accumulate in order to find a straight line
absmin
- absmin.m程序，求矩阵的每个元素的绝对值然后求其非零的最小值（绝对原创）-absmin.m procedures, and each element of the matrix and then the absolute value of the minimum value for the non-zero (absolute original)
levelsetcode
- 水平集方法的基本思想是将界面看成高一维空间中某一函数ψ（称为水平集函数）的零水平集，且将界面的速度也扩充到高维的水平集函数上，然后写出水平集函数所满足的发展方程求解，这里是程序代码-The basic idea of the level set method is to interface the high one-dimensional space as a function ψ (called the level set function), the zero level set, and
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
Interpolation
- 利用低通滤波器对图像进行插值放大：按放大的倍数对原图像进行插零，插零后的图片与低通滤波函数进行卷积，原先插入的零的位置自动替换为适当的插值，如此图像就已经插值放大了，图像质量还不错。-Double the number of pixels of each row and column by adding a zero value pixel between each pixel of the image.Then operate with two kinds of low-pass filter
Zero-Watermark-Technology
- 强鲁棒零水印技术,很不错的学习资料，大家-A Zero-Watermark Technology with Strong Robustness