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).
可以在一个find_blobs()函数里面的阈值,是红绿蓝。然后通过blob.code(),可以判断颜色编码的顺序。
这种方式可以区分A区和B区。