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就是黑色背景下，色块很容易识别到，在白色背景下，或者将物体树立正面拍摄，目标物体就会很暗，导致无法识别颜色。请问咋处理啊，外补光源，感觉手机摄像头的光源压根不够。
如果涉及代码，需要报错提示与全部代码文本，请注意不要贴代码图片
