How do I save a series of Output images in a folder (that is inside a for loop)?
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imshow(img)
hold on
plot([xLeftY, xRightY], [yLeftY, yRightY], 'LineWidth',5,'Color','Yellow');
plot([xLeftW, xRightW], [yLeftW, yRightW], 'LineWidth',5,'Color','White');
hold off
The above code shows a series of images that is inside a for loop and plots lines on the image
I need to save the output images (251 images)
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回答(3 个)
Image Analyst
2021-12-10
Use sprintf() to create a filename, like
folder = 'C:/Jasons images'; % Whatever...
for loopCounter = 1 : whatever...
filename = fullfile(folder, sprintf('Image %2.2d', loopCounter));
% Plot to an axes... Then save to a disk file with exportgraphics():
exportgraphics(gca, filename);
end
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yanqi liu
2021-12-10
for i = 1:251
imshow(img)
hold on
plot([xLeftY, xRightY], [yLeftY, yRightY], 'LineWidth',5,'Color','Yellow');
plot([xLeftW, xRightW], [yLeftW, yRightW], 'LineWidth',5,'Color','White');
hold off
% get figure snap and save to png file
f = getframe(gcf);
f = frame2im(f);
if ~exist('./fd', 'dir')
mkdir('./fd');
end
imwrite(f, sprintf('./fd/%03d.png', i));
end
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