Search found 3 matches
- 07 Nov 2010, 13:40
- Forum: Software
- Topic: Preserving colored text
- Replies: 20
- Views: 34794
Re: Preserving colored text
Yes. Your are absolutely right pointing out that, and not me. Actually my proof was incorrect, and my method worked fine just because a despeckle filter was later applied. By illumination I meant lightness. Probably it will work with brightness as well, but I really ignore the difference between both.
- 07 Nov 2010, 11:41
- Forum: Software
- Topic: Preserving colored text
- Replies: 20
- Views: 34794
Re: Preserving colored text
No and no. This is a messy process and wrong encoding scheme. 1) Just as you convert to b/w by setting a threshold level for illumination, in order to convert to three colours you may as well only consider illumination and set two thresholds (this method is valid since black and white are unique RGB...
- 17 Sep 2010, 09:11
- Forum: Scanners and Build Threads
- Topic: yet another quick and dirty approach
- Replies: 8
- Views: 21681
Re: yet another quick and dirty approach
It should be worth knowing what exactly the pattent describes and to which territories it applies.
Actually, the infrared technology is used since long in many flatbed photo scanners to detect and remove dust and scratches. Even VueScan supports it.
Actually, the infrared technology is used since long in many flatbed photo scanners to detect and remove dust and scratches. Even VueScan supports it.