Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
将像素改为QVGA,并且划定感兴趣区,使堆栈充足,为什么用find_rects()还是找不到矩形?