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IPCV >> Image Types and Color Space Conversions > rgb2ycbcr

rgb2ycbcr

Convert a RGB image to the equivalent YCbCr image.

Syntax

YCC = rgb2ycbcr(RGB)

Parameters

RGB :

A RGB image (hypermat), the dimension of RGB should be M x N x 3 .

YCC :

Output image, which has the same size as RGB and type of double.

Description

rgb2ycbcr convert a RGB image to the equivalent HSV image using:

Y = 0.299*R + 0.587*G + 0.114*B

Cb = (B-Y)*0.564 + 0.5

Cr = (R-Y)*0.713 + 0.5

Supported classes: INT8, UINT8, INT16, UINT16, INT32, DOUBLE. If RGB is not a double image, it will be converted to double image first in the procedure.

Examples

RGB = imread(fullpath(getIPCVpath() + "/images/baboon.png"));
YCC = rgb2ycbcr(RGB);
RGB = ycbcr2rgb(YCC);
imshow(RGB);

See also

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