Difference between revisions of "Function:RGB2YUV"

Revision as of 08:09, 19 April 2013

Convert RGB image to YUV color model

CuviStatus rgb2yuv(const CuviImage& src,
                   CuviImage& dst,
                   const CuviStream& stream = CuviStream());

Input	Output
8uC3	8uC3
16uC3	16uC3

RGB Image

YUV Image

CuviImage gimg = cuvi::io::loadImage(path,CUVI_LOAD_IMAGE_COLOR), gout;

//function call
cuvi::colorOperations::rgb2yuv(gimg,gout);

@@ Line 5: / Line 5: @@
 |style="font-size:150%;"|
 <syntaxhighlight lang="cpp">
-CuviStatus rgb2yuv(CuviImage* srcImage,
+CuviStatus rgb2yuv(const CuviImage& src,
-                    CuviImage* dstImage,
+                    CuviImage& dst,
-                    CuviStream* stream = NULL);
+                    const CuviStream& stream = CuviStream());
 </syntaxhighlight>
 |}
@@ Line 20: / Line 20: @@
 ! Description
 |-
-| srcImage
+| src
-| CuviImage*
+| const CuviImage&
 | Input RGB image
 |-
-| dstImage
+| dst
-| CuviImage*
+| CuviImage&
 | Output YUV image
 |-
 | stream
-| CuviStream*
+| const CuviStream&
 | GPU stream ID for execution
@@ Line 64: / Line 64: @@
 <syntaxhighlight lang="cpp">
-CuviImage* gimg = new CuviImage(size,img->depth,img->nChannels);
+CuviImage gimg = cuvi::io::loadImage(path,CUVI_LOAD_IMAGE_COLOR), gout;
-CuviImage* gout = new CuviImage(size,img->depth,img->nChannels);
-//Upload RGB data to GPU
-gimg->upload(img->imageData,img->widthStep);
 //function call
-cuvi::colorOperations::RGB2YUV(gimg,gout);
+cuvi::colorOperations::rgb2yuv(gimg,gout);
 </syntaxhighlight>
 |}