Digital Level Layers for Digital Curve Decomposition and Vectorization
Please cite the reference article if you publish results obtained with this online demo.

This demonstration applies the Digital Level Layers curve vectorization algorithm on discrete contours extracted from the input image.

Select Data

Click on an image to use it as the algorithm input.

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Upload Data

Upload your own image files to use as the algorithm input.


Images larger than 500000 pixels will be resized. Upload size is limited to 1MB per image file .
TIFF, JPEG, PNG, GIF, PNM (and other standard formats) are supported. The uploaded will be publicly archived unless you switch to private mode on the result page.
Only upload suitable images. See the copyright and legal conditions for details.