Difference between revisions of "Digital Images"
From Eugene Eric Kim
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(Background whitening wanted.) |
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[http://beta.rii.ricoh.com/betalabs/content/whiteboard-clean Ricoh Innovations Whiteboard Clean] looks like a great service. Have not experimented with skew control yet. No batching. | [http://beta.rii.ricoh.com/betalabs/content/whiteboard-clean Ricoh Innovations Whiteboard Clean] looks like a great service. Have not experimented with skew control yet. No batching. | ||
One of the challenges with this and other scripts is that it focuses on outlines, which means that filled images sometimes get processed out. May want to find a script that does background whitening for these images. | |||
[http://snapclean.me/ Snapclean.me] is a similar, email-based service using a Gimp [https://github.com/kyleburton/sandbox/blob/master/gimp/clean-whiteboard-photo.scm script] on the backend. | [http://snapclean.me/ Snapclean.me] is a similar, email-based service using a Gimp [https://github.com/kyleburton/sandbox/blob/master/gimp/clean-whiteboard-photo.scm script] on the backend. | ||
Revision as of 02:00, 7 January 2011
Whiteboard Processing
Techniques
- How to clean up photos of whiteboards with Gimp
- How to extract the drawing from a whiteboard in the GIMP
Tools
Ricoh Innovations Whiteboard Clean looks like a great service. Have not experimented with skew control yet. No batching.
One of the challenges with this and other scripts is that it focuses on outlines, which means that filled images sometimes get processed out. May want to find a script that does background whitening for these images.
Snapclean.me is a similar, email-based service using a Gimp script on the backend.
I've used Fred's command-line Imagemagick script with the following parameters:
-e both -t 30 -s 1
Experiment with -t between 20 and 40 for best results. It has limitations, the biggest of which is that you need to have a deeper understanding of the algorithm in order to manipulate the parameters.
Other scripts:
