Function:Color2Gray - Revision history

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2013-04-18T11:01:03Z

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← Older revision		Revision as of 11:01, 18 April 2013
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	~~__NOTOC__~~
	~~Converts an RGB image to gray scale using custom transform coefficients~~
	~~===Function===~~
	{\|
	~~\|style="font-size:150%;"\|~~
	~~<syntaxhighlight lang="cpp">~~
	~~CuviStatus color2Gray(CuviImage* srcImage,~~
	~~CuviImage* dstImage,~~
	~~Cuvi32f coeffs[3],~~
	~~CuviStream* stream = NULL);~~
	~~</syntaxhighlight>~~
	\|}


	~~===Parameters===~~

	~~{\|class="wikitable"~~
	\|-
	~~! Name~~
	~~! Type~~
	~~! Description~~
	\|-
	~~\| srcImage~~
	\| CuviImage*
	~~\| Input 3-channel image~~
	\|-
	~~\| dstImage~~
	\| CuviImage*
	~~\| Output single channel image~~
	\|-
	~~\| coeffs[3]~~
	~~\| Cuvi32f~~
	~~\| Transform coefficients~~
	\|-
	~~\| stream~~
	\| CuviStream*
	~~\| GPU stream ID for execution~~

	\|}



	~~===Image Type Support===~~

	~~{\| class="wikitable"~~
	\|-
	~~! Input~~
	~~! Output~~
	\|-
	~~\| 8uC3~~
	~~\| 8uC1~~
	\|-
	~~\| 16uC3~~
	~~\| 16uC1~~
	\|}

	~~===Sample===~~
	{\|
	\|-
	~~\|[[File:ColoIn.jpg\|frame\|Color Image]]~~
	~~\|[[File:Color2grayOut.jpg\|frame\|Output Gray Image]]~~
	\|}



	~~===Example===~~
	{\|
	~~\|style="font-size:150%;"\|~~
	~~<syntaxhighlight lang="cpp">~~

	~~CuviImage* gimg = new CuviImage(size,img->depth,img->nChannels);~~
	~~CuviImage* gout = new CuviImage(size,img->depth,1);~~

	~~gimg->upload(img->imageData,img->widthStep);~~

	~~//Transform coefficients~~
	~~float* coff = new float[3];~~
	~~coff[0]= 0.3f;~~
	~~coff[1]= 0.59f;~~
	~~coff[2]= 0.11f;~~


	~~//function call~~
	~~cuvi::colorOperations::color2Gray(gimg,gout,coff);~~

	~~</syntaxhighlight>~~
	\|}

Jawad: Created page with "NOTOC Converts an RGB image to gray scale using custom transform coefficients ===Function=== {| |style="font-size:150%;"| CuviStatus color2Gra..."

2012-04-30T09:20:23Z

Created page with "__NOTOC__ Converts an RGB image to gray scale using custom transform coefficients ===Function=== {| |style="font-size:150%;"| <syntaxhighlight lang="cpp"> CuviStatus color2Gra..."

New page

__NOTOC__
Converts an RGB image to gray scale using custom transform coefficients
===Function===
{|
|style="font-size:150%;"|
<syntaxhighlight lang="cpp">
CuviStatus color2Gray(CuviImage* srcImage,
CuviImage* dstImage,
Cuvi32f coeffs[3],
CuviStream* stream = NULL);
</syntaxhighlight>
|}

===Parameters===

{|class="wikitable"
|-
! Name
! Type
! Description
|-
| srcImage
| CuviImage*
| Input 3-channel image
|-
| dstImage
| CuviImage*
| Output single channel image
|-
| coeffs[3]
| Cuvi32f
| Transform coefficients
|-
| stream
| CuviStream*
| GPU stream ID for execution

|}

===Image Type Support===

{| class="wikitable"
|-
! Input
! Output
|-
| 8uC3
| 8uC1
|-
| 16uC3
| 16uC1
|}

===Sample===
{|
|-
|[[File:ColoIn.jpg|frame|Color Image]]
|[[File:Color2grayOut.jpg|frame|Output Gray Image]]
|}

===Example===
{|
|style="font-size:150%;"|
<syntaxhighlight lang="cpp">

CuviImage* gimg = new CuviImage(size,img->depth,img->nChannels);
CuviImage* gout = new CuviImage(size,img->depth,1);

gimg->upload(img->imageData,img->widthStep);

//Transform coefficients
float* coff = new float[3];
coff[0]= 0.3f;
coff[1]= 0.59f;
coff[2]= 0.11f;

//function call
cuvi::colorOperations::color2Gray(gimg,gout,coff);

</syntaxhighlight>
|}

Function:Color2Gray - Revision history

Jawad: Blanked the page

Jawad: Created page with "__NOTOC__ Converts an RGB image to gray scale using custom transform coefficients ===Function=== {| |style="font-size:150%;"| CuviStatus color2Gra..."

Jawad: Created page with "NOTOC Converts an RGB image to gray scale using custom transform coefficients ===Function=== {| |style="font-size:150%;"| CuviStatus color2Gra..."