Search found 4 matches

by orcam
2013-02-12T13:00:25-07:00
Forum: Users
Topic: Removing Shadow and Background for OCR
Replies: 8
Views: 11038

Re: Removing Shadow and Background for OCR

Sorry, i'm a bit late to reply; got busy. :( You are really limited by the size of the image and thus the resolution available in pixels. You would do better if the image size were much larger. I was finally able to get higher quality image here: http://i.minus.com/ibiHhso9LbxL1f.png try one of ...
by orcam
2013-02-02T13:46:54-07:00
Forum: Users
Topic: Removing Shadow and Background for OCR
Replies: 8
Views: 11038

Re: Removing Shadow and Background for OCR

Thanks for joining this thread Fred! :D I did try your script earlier today with [ -g -e normalize -f 30 -o 12 -s 2 ] & many other variations of it to generally get something like http://i.imgur.com/uGBnJ0d.jpg I couldn't get the text to be less pixelated by changing the different parameters as can ...
by orcam
2013-02-02T11:46:30-07:00
Forum: Users
Topic: Removing Shadow and Background for OCR
Replies: 8
Views: 11038

Re: Removing Shadow and Background for OCR

Thanks for the input. However, Get a scanner. Life will be so much easier. The images are coming from a camera and as you said, it is not feasible to get a scanner. If that isn't feasible (perhaps horrible images like this come from clients), use an interactive editor to square up the image, crop it ...
by orcam
2013-02-02T09:32:25-07:00
Forum: Users
Topic: Removing Shadow and Background for OCR
Replies: 8
Views: 11038

Removing Shadow and Background for OCR

I am trying to prepare the following image for OCR: http://i.imgur.com/4wtf21w.jpg But I cant seem to get it right. Normally, without the background & shadows on the side, the following parameters work to get just the text: -normalize -despeckle -despeckle -type grayscale -sharpen 1 -contrast to get ...