Difference between revisions of "Function:HistEq"

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(Created page with "__NOTOC__ Performs histogram equalization ===Function=== {| |style="font-size:150%;"| <syntaxhighlight lang="cpp"> CuviStatus histEq(CuviImage* srcImage, Cuv...")
 
 
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__NOTOC__
__NOTOC__
Performs histogram equalization
Performs histogram equalization
===Function===
====Function====
{|
{|
|style="font-size:150%;"|
|style="font-size:100%;"|
<syntaxhighlight lang="cpp">
<syntaxhighlight lang="cpp">
CuviStatus histEq(CuviImage* srcImage,
CuviStatus histEq(const CuviImage& src,
                   CuviImage* dstImage,
                   CuviImage dst,
                   CuviStream* stream = NULL);
                   const CuviStream& stream = CuviStream());
</syntaxhighlight>
</syntaxhighlight>
|}
|}
===Parameters===


====Parameters====
{|
|style="font-size:75%;"|
{|class="wikitable"
{|class="wikitable"
|-
|-
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! Description
! Description
|-
|-
| srcImage
| src
| CuviImage*
| const CuviImage&
| Input Image
| Input Image
|-
|-
| dstImage
| dst
| CuviImage*
| CuviImage&
| Equalized  Image
| Equalized  Image
|-
|-
| stream
| stream
| CuviStream*
| const CuviStream&
| GPU stream ID for execution
| GPU stream ID for execution
 
|}
|}
|}


===Image Type Support===
====Image Type Support====
 
{|
|style="font-size:75%;"|
{| class="wikitable"
{| class="wikitable"
|-
|-
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| 8uC1
| 8uC1
|}
|}
===Sample===
{|
|-
|[[File:Eqbefore.jpg|frame|Input Image]]
|[[File:Eqafter.jpg|frame|Equalized Image]]
|}
|}


====Sample====
[[File:Eqbefore.jpg|none|frame|Input Image]]
<br/>
[[File:Eqafter.jpg|none|frame|Equalized Image]]
<br/>


===Example===
====Example====
{|
{|
|style="font-size:150%;"|
|style="font-size:100%;"|
<syntaxhighlight lang="cpp">
<syntaxhighlight lang="cpp">


//Input and output image containers on GPU
//Input and output image containers on GPU
CuviImage* gimg = new CuviImage(size,img->depth,img->nChannels);
CuviImage gimg = cuvi::io::loadImage(path,CUVI_LOAD_IMAGE_GRAYSCALE), gout;
CuviImage* gout = new CuviImage(size,img->depth,img->nChannels);
 
//Populate image data on gpu
gimg->upload(img->imageData,img->widthStep);


//Histogram equalization
//Histogram equalization

Latest revision as of 13:02, 18 October 2022

Performs histogram equalization

Function

CuviStatus histEq(const CuviImage& src,
                  CuviImage dst,
                  const CuviStream& stream = CuviStream());

Parameters

Name Type Description
src const CuviImage& Input Image
dst CuviImage& Equalized Image
stream const CuviStream& GPU stream ID for execution

Image Type Support

Input Output
8uC1 8uC1

Sample

Input Image


Equalized Image


Example

//Input and output image containers on GPU
CuviImage gimg = cuvi::io::loadImage(path,CUVI_LOAD_IMAGE_GRAYSCALE), gout;

//Histogram equalization
cuvi::colorOperations::histEq(gimg,gout);
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