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I would like to convert PNG images/graphs to EPS without losing even a bit on resolution. All the commands I tried (potrace, autotrace, convert, gimp) decrease the resolution quality.

  • When you say "conversion to EPS", do you actually want to vectorize the image, or do you just want to wrap the PNG image into a EPS file? – lgeorget Jul 10 '14 at 9:17
  • I want to vectorize the image – HP AS Jul 10 '14 at 9:29
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    What do you mean by "losing a bit"? How do you want to compare the output vector graphics data with the original PNG? Do you render the vector graphics? If so with what, at what resolution compared to the PNG and with what kind of anti-aliasing? – Anthon Jul 10 '14 at 9:40
  • Yes I understand about "without losing even a bit on resolution". I am sorry, I just meant the best possible eps image. – HP AS Jul 10 '14 at 9:58
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Some people have had success with png2eps.

Remember that whatever system you use to convert PNG to EPS it will be a tradeoff between image quality and file size. PNG is a compressed bitmap format while EPS is uncompressed vector graphics - the two formats couldn't be more different.

There is no resolution in a vector image until you attempt to convert it to a bitmap, or display it (a vector image is converted to bitmap for printing or displaying on a monitor). Unfortunately, converting "without losing even a bit on resolution" doesn't make sense in this instance.

Also note that the resulting EPS file will be much larger than the PNG input.

  • Yes I understand about "without losing even a bit on resolution". I am sorry, I just meant the best possible eps image. – HP AS Jul 10 '14 at 9:38

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