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anwser_21.cpp有一些错误 #23

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yuanYangSee opened this issue Mar 5, 2020 · 0 comments
Open

anwser_21.cpp有一些错误 #23

yuanYangSee opened this issue Mar 5, 2020 · 0 comments

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@yuanYangSee
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line 41:
out.atcv::Vec3b(y, x)[_c] = (uchar)((b - a) / (d - c) * (val - c) + a);

这里先计算(b - a) / (d - c)会损失数据,导致结果错误,若b-a=255, d-c=178, 斜率会得出1,结果错误。

应该改成(b-a)*(val-c)/(d-c)+a

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