Representing the result in grayscale

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med-sweng
med-sweng 2013-11-12
评论： med-sweng 2013-11-13
I'm working with this script. The issue is that the result is coloured and I want it in grayscale, but couldn't figure what to change in the script to do that. Do you know what changes I should perform to get the result as grayscale?
Thanks.

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Image Analyst
Image Analyst 2013-11-12
L is the output of the classification. It's a monochrome image. Just use that and not Lrgb which he just created to make the classification regions colorful. So you already have what you want, which is the L array. There is nothing else you need to do.
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Image Analyst
Image Analyst 2013-11-12
编辑：Image Analyst 2013-11-12
That's because it has values of only 0, 1, or 2 due to there being 3 classes. So it looks too dark to see when the max range is 255. To increase the contrast, use []:
imshow(L, []);
0 will stay 0, 1 will map to 128, and 2 will be 255.
med-sweng
med-sweng 2013-11-13
Yes, you are absolutely right. Thanks a lot

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Azzi Abdelmalek
Azzi Abdelmalek 2013-11-12
编辑：Azzi Abdelmalek 2013-11-12
Use rgb2gray function
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med-sweng
med-sweng 2013-11-12
Thanks for your reply. When I got the result, I made a "cut" of the result and used rgb2gray for converting the image to grayscale. But, somehow I felt that the result is not as expected. So, thought if this could be made within the script mentioned?

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