splitcv

Syntax

[r, g, b] = splitcv(cvhandle)

[r, g, b, a] = splitcv(cvhandle)

Inputs

cvhandle

Handle of a color image.

Type: integer

Outputs

r

Handle of the single channel image representing the red channel data.

Type: integer

g

Handle of the single channel image representing the green channel data.

Type: integer

b

Handle of the single channel image representing the blue channel data.

Type: integer

a

Handle of the single channel image representing the alpha channel data, if applicable.

Type: integer

Example

Split an image into RGB channels and create one image with each of these channels:

%Read image
img = imreadcv('RGBchannels.jpg',1);
figure(1);
imshowcv(img);

[blue, green, red] = splitcv(img);

figure(2);
imshowcv(blue);

figure(3);
imshowcv(red);

figure(4);
imshowcv(green);

Split an image into RGB channels and display only the red one:

cvhandle = imreadcv('bird2.jpg');
[r, g, b] = splitcv(cvhandle);
imshowcv(r);