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Fixed RGB-to-HLS conversion formula in documentation

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This commit is contained in:
Maksim Shabunin 2015-05-07 18:18:46 +03:00
parent c8cb03fd8f
commit 61293a09ff
1 changed files with 3 additions and 3 deletions
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6
modules/imgproc/doc/colors.markdown
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@ -78,9 +78,9 @@ scaled to fit the 0 to 1 range.
\f[L \leftarrow \frac{V_{max} + V_{min}}{2}\f]
\f[S \leftarrow \fork { \frac{V_{max} - V_{min}}{V_{max} + V_{min}} }{if \(L < 0.5\) }
{ \frac{V_{max} - V_{min}}{2 - (V_{max} + V_{min})} }{if \(L \ge 0.5\) }\f]
\f[H \leftarrow \forkthree {{60(G - B)}/{S}}{if \(V_{max}=R\) }
{{120+60(B - R)}/{S}}{if \(V_{max}=G\) }
{{240+60(R - G)}/{S}}{if \(V_{max}=B\) }\f]
\f[H \leftarrow \forkthree {{60(G - B)}/{(V_{max}-V_{min})}}{if \(V_{max}=R\) }
{{120+60(B - R)}/{(V_{max}-V_{min})}}{if \(V_{max}=G\) }
{{240+60(R - G)}/{(V_{max}-V_{min})}}{if \(V_{max}=B\) }\f]
If \f$H<0\f$ then \f$H \leftarrow H+360\f$ . On output \f$0 \leq L \leq 1\f$, \f$0 \leq S \leq
1\f$, \f$0 \leq H \leq 360\f$ .