[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
convert RGB image to grayvalues
|
From: |
Andreas Weber |
|
Subject: |
convert RGB image to grayvalues |
|
Date: |
Wed, 23 Apr 2014 10:49:12 +0200 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131103 Icedove/17.0.10 |
Am 23.04.2014 09:34, schrieb Dincy Paul:
> Hi..
> How to convert an RGB image into a gray scale image . Please help.
> Regards
> Dincy
Dear Dincy, please don't post messages with empty subject. Without
subject you may receive less answers.
To your question:
the image package has a function "rgb2gray" which does this for you on
base of luminance values, 0.29894 * red + 0.58704 * green + 0.11402 * blue
http://octave.sourceforge.net/image/function/rgb2gray.html
-- Andy
- [no subject], Dincy Paul, 2014/04/23
- Re: RGB -> Y, Sergei Steshenko, 2014/04/23
- Re:, Laurent Hoeltgen, 2014/04/23
- RE:, John Guin, 2014/04/23
- RE:, John Guin, 2014/04/23
- Re:, Peter Sisak, 2014/04/23
- convert RGB image to grayvalues,
Andreas Weber <=
- Re:, Sergei Steshenko, 2014/04/23