Jawad at 08:31, 31 October 2022

2022-10-31T08:31:15Z

← Older revision		Revision as of 08:31, 31 October 2022
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	__NOTOC__		__NOTOC__
	Remaps image values according to look up tables but instead of a single table like in [[LUT\|~~Function:~~LUT]], the blackGammaLUT takes separate tables for each channel.		Remaps image values according to look up tables but instead of a single table like in [[Function:LUT\|LUT]], the blackGammaLUT takes separate tables for each channel.
	====Function====		====Function====
	{\|		{\|

Jawad: Created page with "NOTOC Remaps image values according to look up tables but instead of a single table like in Function:LUT, the blackGammaLUT takes separate tables for each channel. ====Function==== {| |style="font-size:100%;"| CuviStatus blackGammaLUT(const CuviImage& src, CuviImage& dst, Cuvi16u* redLUT, Cuvi16u* greenLUT, Cuvi16u* blueLUT,..."

2022-10-31T08:30:17Z

Created page with "__NOTOC__ Remaps image values according to look up tables but instead of a single table like in Function:LUT, the blackGammaLUT takes separate tables for each channel. ====Function==== {| |style="font-size:100%;"| <syntaxhighlight lang="cpp"> CuviStatus blackGammaLUT(const CuviImage& src, CuviImage& dst, Cuvi16u* redLUT, Cuvi16u* greenLUT, Cuvi16u* blueLUT,..."

New page

__NOTOC__
Remaps image values according to look up tables but instead of a single table like in [[LUT|Function:LUT]], the blackGammaLUT takes separate tables for each channel.
====Function====
{|
|style="font-size:100%;"|
<syntaxhighlight lang="cpp">

CuviStatus blackGammaLUT(const CuviImage& src,
CuviImage& dst,
Cuvi16u* redLUT,
Cuvi16u* greenLUT,
Cuvi16u* blueLUT,
const CuviStream& stream = CuviStream());

</syntaxhighlight>
|}

====Parameters====
{|
|style="font-size:75%;"|
{|class="wikitable"
|-
! Name
! Type
! Description
|-
| src
| CuviImage&
| Input Image
|-
| dst
| CuviImage&
| Resultant Image
|-
| redLUT
| Cuvi16u*
| The look-up table for red channel
|-
| greenLUT
| Cuvi16u*
| The look-up table for green channel
|-
| blueLUT
| Cuvi16u*
| The look-up table for blue channel
|-
| stream
| CuviStream&
| GPU stream ID for execution
|}
|}

====Image Type Support====
{|
|style="font-size:75%;"|
{| class="wikitable"
|-
! Type
|-
| 8uC3
|-
| 16uC3
|}
|}

====Example====
{|
|style="font-size:100%;"|
<syntaxhighlight lang="cpp">

CuviImage input = cuvi::io::loadImage(path), output;

//blackGammaLUT Parameters
const int mappingSize = 256;
Cuvi16u redLUT[mappingSize], greenLUT[mappingSize], blueLUT[mappingSize];
for (int i = 0; i < mappingSize; i++) {
redLUT[i] = 255 - i;
greenLUT[i] = i;
blueLUT[i] = i;
}
//blackGammaLUT
CuviStatus status = cuvi::colorOperations::blackGammaLUT(input,
output,
redLUT,
greenLUT,
blueLUT);

</syntaxhighlight>
|}

Function:BlackGammaLUT - Revision history

Jawad at 08:31, 31 October 2022