用LSB的方法，实现了信息的隐藏和提取。

给定2个点坐标，计算其连线与水平方向的夹角，夹角范围[0,2*pi]-failed to translate

计算几何算法的C语言实现，还不错， 不过有些难度，感兴趣的朋友可以看看。-computational geometry algorithm C language, quite good, but some are more difficult, interested friends can see.

DE2板AV提取与处理，与原板配套使用，NTSC电视制式读入-DE2 board AV extraction and processing, supporting the use of the original board, NTSC TV standard read

灰度均衡。读入BMP灰度图，绘制直方图，并对直方图进行灰度均衡。-Grayscale balance. Read BMP grayscale image and draw the histogram, then do grayscale balance to the histogram.

数字图像处理，对比度拉伸 内含测试图片，源码-Digital image processing, contrast tensile test containing pictures, source code

方块编码程序 本程序采用了最简单的方块编码对512×512的lena图像进行了编码 运行程序后可以看出，方块取得越大，图像编码后失真越大。 -Box coding procedures used in this process the most simple box of 512 × 512 encoding the lena image after the encoding run the program we can see that the box to obtain the greater the greater the distortion image is encoded.

常用的数字图像处理算法实现，都是用标准Ｃ语言实现的，绝对经典-commonly used digital image processing algorithm has been used standard C language, absolute classic

该书目介绍了水中目标辐射噪声的听觉特征提取，可用于海洋遥感的应用-The bibliography presented in the water target radiated noise of the auditory feature extraction, can be used in ocean remote sensing applications

matlab编写的图像处理正则化软件包。包含了基本的数字图像处理正则化-Matlab prepared by the image processing Regularization package. Contains a basic digital image processing Regularization

Gabor提取图像纹理特征，很经典。I hope the researchers who study the algorithm communicate with me。-Gabor extract image texture features classic. I hope the researchers who study the algorithm c ommunicate with me.