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I would like to convert PNG images/graphs to EPS without losing even a bit on resolution. All the things I tried (potrace, autotrace, using convert, gimp) the resolution is getting too bad. Any kind of help will be highly appreciated. I am using Ubuntu.

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    Related: PNG to eps conversion massive increase in file size, and the article Convert png to eps, which mentions a software named "bmeps" as the solution for high-res conversion. Not tried it myself, but thought mentioning it might be helpful. – Izzy Jul 10 '14 at 13:30
  • I'm actually using Inkscape for bitmap vectorization. I don't know if you can directly output EPS, but i'm pretty sure converting SVG to EPS is very easily and totally lossless. – Graveen Mar 17 '15 at 15:39
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Vector Magic is the best image to vector program in my humble opinion.

Here is an example jpg that I have vectorized in the following image using Vector Magic:

panofish logo

Here is a zoomed area of the resultant vector. Vector Magic give great flexibility to choose the number of colors and the degree of vectorization. In this example I chose 3 main colors, black, white and brown. Vector Magic detected and suggested those colors, but I could have chosen more or fewer. You can also choose the degree of vector detail. This example took me less than a minute to generate and I can regenerate on the fly... until I am happy with the result.

panofish vector

If you have a high quality bitmap for input you will quickly get a high quality vector with little need to tweak in illustrator (or your favorite vector package). But, even with a low resolution and image with compression artifacts, Vector Magic can detect the artifacts and provide a quality vector which may need some revision in illustrator. This will still be faster than creating the vector from scratch.

Features:

  • Batchable
  • Full automation, Basic or Advanced with fine-tuned control.
  • Palette selection
  • Anti-aliasing engine
  • Artifact rejection
  • Vector editing tools
  • Sharp corner detection
  • Path smoothing
  • Background removal options

Export to EPS, SVG, PDF, AI, DXF and EMF. Works with Illustrator, Corel, and others.

This page on their site show a good comparison against alternative vectorization packages... http://vectormagic.com/home/comparisons

The software is free to try. You can't save the vector until you buy it. Test it with any bitmap and see for yourself

  • details are always nice ;) – Nick Wilde Jul 12 '14 at 0:10
  • @panofish could you expand on your answer a bit? Currently its a link only answer. Could you add a screenshot and a bit of personal experience with that tool? – Angelo Fuchs Mar 17 '15 at 10:03
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You can use convert from the ImageMagic package.

convert Image.png Image.eps

To install ImageMagic in Ubuntu:

sudo apt-get install imagemagick

You can also use sam2p

It’s a small application that converts raster images into bunch of different formats. You probably won’t find it in a default installation so just do:

sudo apt-get install sam2p

Note that you need to have universe enabled in your apt sources. Once you install it, the rest is easy:

sam2p Image.png EPS: Image.eps

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