D5/3整数小波变化，实现二维图像的整数小波变化，可用于图像的无损压缩，可实现多级变换，用户可自己设定变换级数...

有关数学计算――点积 适合于计算图形，尤其多边形计算方面，英文网页-the mathematical calculations-- for the plot point in the calculation of graphics, particularly polygon calculations, the English website

图像自适应分割，大津法计算灰度阈值，MATLAB源程序。-Adaptive image segmentation, gray Otsu threshold method, MATLAB source code.

文件处理、画图、编辑、图像变换、颜色处理和图像处理-Document processing, drawing, editing, image conversion, color processing and image processing

负责显示BMP文件的一些源码，主要用于识别纹理类图形的初始化，方便后续识别-Responsible for BMP files show some source code, the main categories used to identify texture graphics initialization, to facilitate follow-up identification

计算机图形学画四分之一个椭圆，若要画椭圆，只需加一个对称程序即可

Enhancement code for image processing

摘　要:舌象中的裂纹是中医舌诊中的重要内容。由于拍摄条件的不同,舌象质量有较大差异,传统的阈值选取方法并不 适用。文中提出一种舌象裂纹检测的自适应阈值选择方法。该方法利用舌象的L 3 a 3 b 色彩特征及区域的分裂- 合并, 对舌象进行区域分割,自适应地选取舌中部区域的色彩值作为阈值,对整个舌象进行裂纹提取。经验证,本方案对不同的 舌象能较好地提取出裂纹,实现舌象裂纹诊断的客观化。-Tongue’ s crack is a very important part of herbalist doctor diagnosis. For the different screen conditions , there are many differ2 ences on the tongue’ s quality. It is not effective to use the t raditional threshold ext raction algorithm. In order to solve this problem , pro2 pose a new adaptive threshold algorithm. Present the segmentation of the image of tongue by using the feature on tongue in the L 3 a 3 b color space and the split- combining algorithm. Then use the threshold , which is the color value ext racted automatically in the middle of the tongue , to detect the crack of the whole tongue. The experiments show that this approach is able to distill the crack effectively to different tongue images , and achieve the objectivity of the diagnosis based on the tongue’ s c

计算几何经典算法集合，包括旋转卡壳求凸包，求重心，多边形面积，多边形周长，直线方程等-Collection of classical computational geometry algorithms, including the rotating卡壳for convex hull, and center of gravity, polygon area, polygon perimeter, linear equations, etc.

图像缩小

编码方式的解码示范uuencode and uudecode are in the public domain. dos2unix and unix2dos are hereby placed in the public domain. They may be shared or copied as long as NO fee is charged for their distribution or use. -the encoding and decoding demonstration uuencode uudecode are in the public domain. dos2unix and unix2dos are hereb y placed in the public domain. They may be shared or copied as long as NO fee is charged for their di stribution or use.