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Hiw to save the image as best resolution image

Asked by M.S. Khan on 18 Sep 2019
Latest activity Commented on by KALYAN ACHARJYA on 19 Sep 2019
Hi math works community,
Thanks for all support and guidance from all expert friends through out the globe.
Its a great plateform for sharing knowledge. i am really impressed.
How to save the image in the fastest way as png.
lets suppose this is the image. how to save it.
% Generate test image contains values in 0:4
[~,~,I]=histcounts(peaks,5);
I = I-1;
imagesc(I)
colormap([1 0 0; % color of 0 value
0 1 0; % color of 1 value
0 0 1; % color of 2 value
0 0 0; % color of 3 value
1 1 1])% color of 4 value
set(gca,'Clim',[-0.5 max(I(:))+0.5]);
colorbar

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1 Answer

Answer by KALYAN ACHARJYA on 18 Sep 2019
Edited by KALYAN ACHARJYA on 18 Sep 2019
 Accepted Answer

How to save the image in the fastest way as png.
I am not sure about fastest way, one way:
[~,~,I]=histcounts(peaks,5);
I = I-1;
imagesc(I)
colormap([1 0 0; % color of 0 value
0 1 0; % color of 1 value
0 0 1; % color of 2 value
0 0 0; % color of 3 value
1 1 1])% color of 4 value
set(gca,'Clim',[-0.5 max(I(:))+0.5]);
colorbar
saveas(gcf,'test_image.png');

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It's my pleasure sir

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