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边缘检测不准，是否考虑预先清除背景色来提高边缘准确度？ #10

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HelloDB opened this issue Jan 7, 2018 · 1 comment
Open

边缘检测不准，是否考虑预先清除背景色来提高边缘准确度？ #10

HelloDB opened this issue Jan 7, 2018 · 1 comment

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@HelloDB
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HelloDB commented Jan 7, 2018

感谢您的项目让我接触到py+opencv实战项目，尝试运行时发现失误率还是比较高，观察发现其中一个原因是目标轮廓与背景灰度接近时判断目标位置失误导致，是否可以在灰度处理前通过判断背景色进行预处理以便增加边缘清晰度从而提高位置准确度，初学py写不出代码，只能提供截图了(最后两张看不出什么原因)
18_3 jump
18_2 canny

67_3 jump
67_2 canny

24_3 jump
24_2 canny
@nmweizi
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nmweizi commented Jan 8, 2018 •
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可能分辨率不同，需要修改参数。
把400改500试试

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@nmweizi @HelloDB