Is there an efficient way to convert images to vector images like .eps, .ai, etc.?
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Is there any way to create a vector image from a jpeg, png, etc.? I can convert images to binary contours, but that is about as far as I got. I am getting stuck on tracing the contour then exporting the data to an eps file.
Thank you in advance for any suggestions!
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Walter Roberson
2013-2-23
编辑:Image Analyst
2023-2-20
I recommend that you use the MATLAB File Exchange contribution export_fig which is more likely to get the result correct than using the normal routines.
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Image Analyst
2013-2-23
You can type "imformats" on the command line to see what imwrite() supports. If it's not there, then you're going to have to look for a custom file writer to do the job. You can look in the File Exchange.
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Jan
2013-2-24
编辑:Jan
2023-2-20
As far as I understand, you have a file in pixel format and want to vectorize it. This is neither a problem for IMWRITE nor for EXPORT_FIG, but the problem is the division of the pixel image into areas.
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DGM
2023-2-20
The exported svg will contain vector objects where possible (e.g. the figure background, line objects, titles, labels, ticks), but raster cdata displayed with imshow()/image() are simply embedded as raster images.
That might allow something which has full SVG support to read the file, but it doesn't actually vectorize the raster content.
% a super-simple image
inpict = zeros(100);
inpict(25:75,25:75) = 1;
imagesc(inpict)
% export to svg
set(gcf,'renderer','painters');
export_fig 'testme.svg'
If I'm doing this wrong, I'm open to suggestions. Export_fig() is like a swiss army knife with just enough blades to make you doubt you're using the right one.
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