change detection with IDL

数字图像处理的入门介绍和一些函数、原理的使用，比较适合初学者使用(Introduction to digital image processing and some of the functions, the use of the principle, more suitable for beginners)

any help to perform DCT IDCT walsh inverse walsh on image

Halcon视觉应用的三个小例子，又需要的朋友可以下载看看~~(Halcon visual application three small example, need friends can download and see ~ ~)

说明：  用于基本的envi熟悉认知，步骤清晰，亲历亲为，切实可用(It is used for basic envi, familiar with cognition, clear steps, personal experience and practical use)

针对可见光与红外图像的特点和难点，提出了可见光与红外图像配准与融合中的关键技术，即: 使用新型的基于一维最大类间方差和最大连通性测量的图像分割方法对源图像进行分割来更好地实行图像粗 配准 使用新型的特征点提取方法，特征点的匹配及误匹配的消除来更好地实行图像精配准 采用新型的基 于区域的树状小波活性测度计算来实现树状小波图像融合 利用自生成神经网络来实现模栩图像融合. (For visible light and infrared images of the characteristics and difficulties, a visual and infrared image registration and integration of key technologies, namely: the use of new one-dimensional based on the largest variance between-class connectivity and the largest measuring method of image segmentation source image segmentation to better implementation of coarse image registration the use of a new type of feature point extraction method, feature points of the match and the elimination of false matches to better the implementation of image fine registration the use of new tree-based wavelet calculated to measure the achievement of the activity tree wavelet image fusion the use of self-generating neural network to achieve image fusion Xu mode.)

包含完整的SVM算法，下载即可使用。其中包括数据集和完整的算法结构，算法结构包括数据清理、核函数升维以及SMO优化算法，可以较好实现数据非线性分类。(Contains the complete SVM algorithm and download it for use. Including the data set and the complete algorithm structure, the algorithm structure includes data cleaning, kernel function upscaling and SMO optimization algorithm, which can better achieve nonlinear data classification.)

静态图片转化为动态图片，把静态的图片转化为动态的(convert PNG picture to GIF picture)

CV模型源代码, 用水平集进行图像分割。一个经典的算法。(matlab source code of CV model)

用C++语言写的图像过滤，实现了中值过滤、最大值最小值过滤、均值过滤等，扩展性较好，能实现不同通道(With C++ language image filtering, to achieve a median filtering, maximum minimum filtering, mean filtering, scalability, better able to achieve different channels)

利用有限差分和MATLAB矩阵运算直接求解二维泊松方程(Directly solving the 2D Poisson equation using finite difference and MATLAB matrix operations)