Difference between revisions of "Function:ColorPick"

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__NOTOC__
__NOTOC__
Segments input color image by selecting a specified color. Rest of the image is converted to grayscale.
Segments input color image by selecting a specified color. Rest of the image is converted to grayscale.
===Function===
====Function====
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<syntaxhighlight lang="cpp">
<syntaxhighlight lang="cpp">


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</syntaxhighlight>
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===Parameters===


====Parameters====
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| const CuviStream&
| const CuviStream&
| GPU stream ID for execution
| GPU stream ID for execution
 
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===Image Type Support===
====Image Type Support====
 
{|
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| 8uC3
| 8uC3
| 8uC3
| 8uC3
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===Sample===
====Sample====
 
[[File:960px.jpg|none|frame|Input Image]]
<br/>
[[File:ColorPick.jpg|none|frame|Picked Color]]
<br/>


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




//Creating GPU images
//Creating GPU images
CuviImage gimg = cuvi:io::loadImage(path), gout;
CuviImage input = cuvi:io::loadImage(path), output;


//Select blue color from the image.
//Select blue color from the image.
cuvi::arithmeticLogical::NOT(gimg,gout,CUVI_COLOR_BLUE);
cuvi::colorOperations::colorPick(input,output,CUVI_COLOR_BLUE);


//The same can be achieved using the ~ operator
gout = ~gimg;


</syntaxhighlight>
</syntaxhighlight>
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Latest revision as of 20:53, 18 October 2022

Segments input color image by selecting a specified color. Rest of the image is converted to grayscale.

Function

CuviStatus colorPick(const CuviImage& src,
                     CuviImage& dst,
                     const CuviColor color,
                     const Cuvi32f threshold = 128.0f,
                     const CuviStream& stream = CuviStream());

Parameters

Name Type Description
src const CuviImage& Input Image
dst CuviImage& Destination Image
color CuviColor The color to select from the image
threshold Cuvi32f The threshold for color selection
stream const CuviStream& GPU stream ID for execution

Image Type Support

Input Output
8uC3 8uC3

Sample

Error creating thumbnail: Unable to save thumbnail to destination
Input Image


Error creating thumbnail: Unable to save thumbnail to destination
Picked Color


Example

//Creating GPU images
CuviImage input = cuvi:io::loadImage(path), output;

	
//Select blue color from the image.
cuvi::colorOperations::colorPick(input,output,CUVI_COLOR_BLUE);
Retrieved from "https://wiki.cuvilib.com/index.php?title=Function:ColorPick&oldid=1406"