該代碼用于視頻中背景與前景的分離
Run "TestGoDec" firstly for testing the background modeling by GoDec on Hall
dataset.
Run "TestSSGoDec" firstly for testing the background modeling by Semi-Soft
GoDec on Hall dataset. The time cost on my PC is 8.75s, which is >4 times
faster than ordinary GoDec.
