-
miyao
本文提出了基于二维混沌映射的数字图像水印算法，混沌具有随机性、似噪声及对初始条件的极端敏感性等特点。将经过二维混沌映射置乱后的数字水印信号嵌入图像小波域的低频系数，实现了数字水印的隐蔽性、保密性和稳固性；利用二维混沌映射Arnold变换对水印信号进行置乱，不仅增强了水印信号保密性，同时有效提高了视觉上抵抗图像剪切攻击的能力。(In this paper, two-dimensional chaotic map based on digital image watermarking algorithm, Chaos with random noise and the likelihood of extreme sensitivity to initial conditions and so on. Two-dimensional chaotic map will be scrambling after the digital watermark embedded image signal of the low-frequency coefficients in wavelet domain, the realization of a digital watermark hidden, security and stability the use of two-dimensional chaotic map on Arnold transform scrambling watermark signal, not only enhances the confidentiality of the watermark signal at the same time improve the visual image shear resistance attacks.)
- 2009-06-28 10:11:45下载
- 积分：1
-
MATLAB如何将图片切分成任意MN块
说明： MATLAB如何将图片切分成任意M*N块 在图像处理的时候，有时会不可避免的将图像分块来进行操作，但是图像的像素不可能每次都是可以被整除的，所以我们需要imresize函数对图像的尺寸进行修改，以便可以完成M*N块的分割(How can matlab cut the image into any m * n blocks? Sometimes it is inevitable to divide the image into blocks for operation. However, the pixels of the image can not be divided every time. So we need to modify the size of the image with the function of reduce to complete the m * n block segmentation)
- 2020-05-09 14:17:19下载
- 积分：1
-
optical_flow
基于相位和Lucas Kanade方法的光流计算matlab源程序。(Based on the phase and Lucas Kanade optical flow calculation methods matlab source.)
- 2008-06-03 10:34:01下载
- 积分：1
-
wheel-treadmonitoring
城轨车辆轮对踏面故障在线监测系统，基于振动检测法的轮对踏面故障监测系统，通过傅里叶变换、小波包分析对釆集到的振动信号进行分析获得信号的特征,研究了基于短时能量判断的踏面故障特征提取算法。(On line monitoring system for wheel tread of urban rail vehicles, based on the vibration detection method of wheel tread fault monitoring system, through the Fu Liye transform, wavelet packet analysis of the collected vibration signals to obtain the characteristics of the signal, the study of the short-term energy judgment based on the feature extraction algorithm.)
- 2021-01-28 16:18:42下载
- 积分：1
-
Lucy-Richardson
Lucy Richardson algorithm for image restoration
- 2012-10-23 13:40:33下载
- 积分：1
-
stitching
图像拼接,可用于全景照机等应用场景 根据图像的特征（可选多种特征，例如SIFT,haar,HOG等征），将两幅或多幅图像无缝拼接起来(Image stitching, can be applied to panoramic photographing, and other application scenarios.)
- 2014-10-24 15:44:57下载
- 积分：1
-
特征选择与提取zch
自编的用于图像特征提取的源程序,解压后直接运行就ok了(writing for Feature Extraction source, unpacked directly ok on the run)
- 2020-06-30 02:00:02下载
- 积分：1
-
Single-slit-diffraction
模拟单缝衍射实验，可任意给定单缝的长和宽，得出单缝衍射模拟图像、光量等高线分布图、单缝衍射3D模拟图；另外附带一个关闭全屏的小程序。(Simulation of single-slit diffraction experiment, sewn to order any length and width, draw single-slit diffraction analog image, the amount of light contour maps, 3D modeling diagram single slit diffraction addition Close Full Screen comes with a small program.)
- 2012-08-22 16:11:39下载
- 积分：1
-
particle-filter--algorithm-code
文件中含有粒子滤波完整代码以及几种改进粒子滤波算法代码，运行主函数可以分别看到粒子滤波算法和改进后的算法运行效果，适合初学者学习应用(The file contains the complete code of particle filter and several improved particle filter algorithm code, run the main function algorithm performs the particle filter algorithm and the improved see respectively, suitable for beginners to learn to use
)
- 2014-04-21 09:50:17下载
- 积分：1
-
TVdenoise
全变分去噪
J=tv(I,iter,dt,ep,lam,I0)
输入: I - 灰度图像,
iter - 迭代次数 [1],
dt - 时间步长 [0.2],
ep - 提升参数epsilon [1],
lam - 保真项 lambda [0],
I0 - 输入噪声图像 [I0=I]
([]中的是缺省值)( 全变分去噪
J=tv(I,iter,dt,ep,lam,I0)
输入: I - 灰度图像,
iter- 迭代次数 [1],
dt - 时间步长 [0.2],
ep - 提升参数epsilon [1],
lam - 保真项 lambda [0],
I0 - 输入噪声图像 [I0=I]
([]中的是缺省值))
- 2010-10-22 17:29:44下载
- 积分：1
