Median filtering has been shown to be very robust and to have performance comparable to higher complexity methods. However, storing and processing many frames of video (as is often required to track slower moving objects) requires an often prohibitiv

简单的lex编程，详细见英文描述 Running the Lex program 1. Write the Lex specifications as described above in a file, say, prog1.l 2. On moon.cse.yzu.edu.tw, do the following: flex prog1.l (Produces lex.yy.c as the output) gcc lex.yy.c -lfl (Compi

small application in c++ that keeps track of students at a university