LOG滤波器提取边缘；用形态学方法提取骨架线；由明暗度提取外形信息；-LOG filter extraction edge; Morphological skeleton extraction methods; By extracting contour shading degrees;

这是一个USB驱动的骨架，可以结合自己的实际需要添加一些代码，就可实现驱动的编写-This driver is based on the 2.6.3 version of drivers/usb/usb-skeleton.c but has been rewritten to be easy to read and use, as no locks are now needed anymore.