这里给出了简单的媒体与图象拼接的类似方法，视频分割，视频同步分屏做法另给出了exif软件的做法，读写图片的属性信息函数另给出了地感测车速和测车长的简便方法，简单的道匣开关可参照此法做-Here are the simple media and image mosaic of the similar method, video segmentation, video synchronous split screen practice another given EXIF software practices, read and write image attribute information function the other gives the sensing speed and simple method for measuring length, simple road box switch can refer to this method as