印章背景干扰文章和低质图像增强问题 #13905
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wangjiannan98
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印章背景干扰文章和低质图像增强问题
#13905
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1、请教一下各位大佬,真实的印章数据背景有很多干扰文字,我试过opencv颜色通道分离,但是效果并不好,请问有哪些好的方法可以有效去除背景黑色干扰文字?
2、真实印章数据往往图像不清晰,质量较低,我使用opencv做去噪,对比饱和、锐化操作,效果提升并不明显,请教一下有哪些组合图像增强方法可以提升文本图像的检测效果?
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