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我有一个可以放置签名的区域。在纸的空白处。
您将如何想出一个想法来识别是否存在签名?
谢谢
如果它只是检测是否在该字段中写入了某些内容,您可以使用简单的直方图方法来查看是否有足够的非白色像素来使墨水的存在成为可能。