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我想做的是:将一幅图像各个像素点的灰度值与另一幅图像的灰度值相减,如果这个差值超过设定值,就画个矩形。目的是画出这两幅图像中不同的部分。谢谢。
。。。你就按照你的思路,找文档啊
我找到了这个,翻译之后也不太清楚怎么用,有参考的例子吗