Comparison to
Potrace


We compare against the version integrated into Inkscape (available at http://inkscape.org/).
Parameters were manually adjusted to achieve the best possible result.

Please note: most vectorization tools, such as Potrace, are designed for much larger input images. In the paper we give a detailed explanation for why they perform less successfully on tiny pixel art inputs. The results below do not make a statement about the quality one can achieve on input images within the design range of these tools, they merely show that there is a need for specialized algorithms for very tiny images. It should also be noted that our algorithm does not generalize to large images with noise or anti-aliased edges.


Boo
Super Mario World, © Nintendo

Input Nearest (16x) Our Method (16x) Potrace (16x)


Help
Super Mario World, © Nintendo

Input Nearest (16x) Our Method (16x) Potrace (16x)


Mario and Yoshi 2
Super Mario World, © Nintendo

Input Nearest (8x) Our Method (8x) Potrace (8x)


Yoshi 3
Super Mario World, © Nintendo

Input Nearest (16x) Our Method (16x) Potrace (16x)


Bomber 4
Super Bomberman, © Hudson Soft

Input Nearest (16x) Our Method (16x) Potrace (16x)


386 Enhanced
Windows 3.1, © Microsoft

Input Nearest (16x) Our Method (16x) Potrace (16x)


Keyboard
Windows 3.1, © Microsoft

Input Nearest (16x) Our Method (16x) Potrace (16x)