数字信号处理课程实验代码，包括边沿检测、二值化、直方图均衡化等功能。-The image processing course experimental code, including features such as edge detection, thresholding, histogram equalization.

一个验证身份证号码有效性的小程序。身份证号码必须是18位，而且前17位必须是数字，最后一位只能是数字或小写字母x,第7到14位是出生年月日，必须符合有效性检测，即年在1900到2010之间，月要在1到12之间，日子要考虑闰年的情况。-Verify the identity card numbers of the effectiveness of the program. Identity card number must be 18, and 17 must be numeric, the la

输入一个数字，按回车，然后输出能被这个数整除的所有数。也可以变换下程序用以检测输入的数字是否是质数（或素数）。-Enter a number, press Enter, and then output this number can be divisible by all the numbers. Transformation program can also detect whether the input to digital is a prime number (or prime).