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| ===Sample=== | | ====Sample==== |
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| | [[File:ColoIn.jpg|none|frame|Color Image]] |
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| | <br/> |
| |[[File:ColoIn.jpg|frame|Color Image]]
| | [[File:RGB2GrayOut.jpg|none|frame|Output Gray Image]] |
| |[[File:RGB2GrayOut.jpg|frame|Output Gray Image]]
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| |}
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| ===Example=== | | ====Example==== |
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| |style="font-size:150%;"| | | |style="font-size:100%;"| |
| <syntaxhighlight lang="cpp"> | | <syntaxhighlight lang="cpp"> |
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Latest revision as of 13:09, 18 October 2022
Converts an RGB image to gray scale using fixed or custom transform coefficients
Function
CuviStatus rgb2gray(const CuviImage& src,
CuviImage& dst,
const CuviStream& stream = CuviStream());
CuviStatus rgb2gray(const CuviImage& src,
CuviImage& dst,
const CuviScalar& coeffs,
const CuviStream& stream = CuviStream());
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Parameters
| Name
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Type
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Description
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| src
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CuviImage&
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Input 3 channel image
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| dst
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CuviImage&
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Output single channel image
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| coeffs
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CuviScalar&
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Custom transformation coefficients
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| stream
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CuviStream&
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GPU stream ID for execution
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Image Type Support
| Input
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Output
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| 8uC3
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8uC1
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| 16uC3
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16uC1
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| 32fC3
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32fC1
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Sample
Color Image
Output Gray Image
Example
CuviImage gimg = cuvi::io::loadImage(path), gout;
//Convert to gray-scale using standard coefficients
cuvi::colorOperations::rgb2gray(gimg,gout);
//Convert to gray-scale using custom coefficients
CuviScalar coeffs(0.33, 0.33, 0.33);
cuvi::colorOperations::rgb2gray(gimg,gout, coeffs);
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