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| ===Image Type Support=== | | ====Image Type Support==== |
| | | {| |
| | |style="font-size:75%;"| |
| {| class="wikitable" | | {| class="wikitable" |
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| | 32fC3 | | | 32fC3 |
| | 32fC1 | | | 32fC1 |
| | |} |
| |} | | |} |
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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
|
Type
|
Description
|
| src
|
CuviImage&
|
Input 3 channel image
|
| dst
|
CuviImage&
|
Output single channel image
|
| coeffs
|
CuviScalar&
|
Custom transformation coefficients
|
| stream
|
CuviStream&
|
GPU stream ID for execution
|
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Image Type Support
| Input
|
Output
|
| 8uC3
|
8uC1
|
| 16uC3
|
16uC1
|
| 32fC3
|
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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