How to save all figure as jpeg format in folder?

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Mei Synn Tan
Mei Synn Tan 2017-3-11
编辑： Mei Synn Tan 2017-3-13
srcFiles = dir('C:\Users\fit\Documents\MATLAB\H\*.jpg'); % the folder in which ur images exists
for i = 1 : length(srcFiles)
filename = strcat('C:\Users\fit\Documents\MATLAB\H\',srcFiles(i).name);
I = imread(filename);
I = rgb2gray(I);
I = im2double(I);
origin = I;
regions = detectMSERFeatures(I);
figure; imshow(I); hold on; plot(regions, 'showPixelList', true, 'showEllipses', false);
end
saveas(figurename,' C:\Users\fit\Documents\MATLAB\H'.'jpg')

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回答（1 个）

Image Analyst
Image Analyst 2017-3-11
编辑：Image Analyst 2017-3-11
Use export_fig() and put it inside, not outside, your for loop.
http://blogs.mathworks.com/pick/2010/05/28/creating-and-exporting-publication-quality-graphics/
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Image Analyst
Image Analyst 2017-3-12
Check your filename - is it different each time? Maybe put this after imshow():
drawnow;
Maybe also try closing the figure after you save it
close(f);
Mei Synn Tan
Mei Synn Tan 2017-3-13
编辑：Mei Synn Tan 2017-3-13
Thanks Image Analyst, I was solve my problem. Here it is. Dear Image Analyst, how to automatically crop out the MSER region area and paste in figure?
srcFiles = dir('C:\Users\fit\Downloads\Code\export figure\Arabian_Horses\*.jpg'); % the folder in which ur images exists
for i = 1 : length(srcFiles)
filename = strcat('C:\Users\fit\Downloads\Code\export figure\Arabian_Horses\',srcFiles(i).name);
I = imread(filename);
I = rgb2gray(I);
I = im2double(I);
origin = I;
regions = detectMSERFeatures(I);
f=figure(); imshow(I,'Border','tight'); hold on; plot(regions, 'showPixelList', true, 'showEllipses', false);
export_fig (sprintf('figure%d',i),'-jpg');
end

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