作业一

典型的LSB水印嵌入和提取算法，它是一个基本的matlab程序，可以帮助初学者入门 (typical LSB embedding and extraction algorithm, which is a basic Matlab procedures, Portal can help beginners)

此matlab程序用于横向和纵向都被剪碎的纸片的拼接复原，高质量(This matlab program is used for the stitching of both horizontal and vertical pieces that are cut and broken, and of high quality)

实现摄影测量中空间后方交会的问题，用以求得像片的内外方位元素(To achieve space resection in photogrammetry issues photograph to obtain the internal and external orientation elements)

利用matlab程序编写的图像分割代码，计算分割后的区域邻接图(Using the image segmentation code written by the matlab program to calculate the neighborhood graph after the segmentation)

RGB和LAB色彩转换源码程序，根据颜色组成原理通过计算实现RGB和LAB色彩转换。(RGB and LAB color conversion source program , according to the colors of the RGB and LAB color principle to achieve conversion by calculation.)

一种可用的相位恢复算法，做图像处理的同学们可以参考(A effective phase retrieval algorithm)

用spiht写的图像压缩代码，适用于基于DWT的图像压缩，欢迎下载(Written by SPIHT image compression code, the application of DWT-based image compression, welcome to download)

非下采样轮廓波变换，NSCT变换，主要用于图像去噪(Non - down sampling contourlet transform and NSCT transform are mainly used for image denoising.)

说明：  这是一个图像质量评估包，含有LOE、NIQE和GMSD三种图像评估方法，可以直接调用，demo程序有一些示例图片。(This is an image quality assessment package, including loe, niqe and gmsd three image assessment methods, which can be called directly. Demo program has some sample pictures.)

说明：  视频转帧预处理 ，应用于红外图像序列处理，为后续处理提供便宜。(Video frame preprocessing, applied to infrared image sequence processing, provides cheaper for subsequent processing.)