Search found 3 matches

by olos
2011-02-14T01:51:38-07:00
Forum: Users
Topic: ImageMagick convert TIF to b&w - result blank image
Replies: 4
Views: 17497

Re: ImageMagick convert TIF to b&w - result blank image

Thank you very much for help This combination convert s1002.tif -threshold 50% s1002_t50.tif is the solution. I tested more than 1000 tiff-s (about 30GB) with different threshold value and there is no problem (threshold set to 56 - 60% give best results for my images). Once again thanks for help ...
by olos
2011-02-06T04:15:12-07:00
Forum: Users
Topic: ImageMagick convert TIF to b&w - result blank image
Replies: 4
Views: 17497

Re: ImageMagick convert TIF to b&w - result blank image

Hello, Thanks for replay. I get an error message on IM 6.6.7.4 Q16 Mac OSX Tiger convert: s1002.tif: wrong data type 7 for "RichTIFFIPTC"; tag ignored. `TIFFReadDirectory' @ warning/tiff.c/TIFFWarnings/706. This error is well known exception which is thrown by the libTIFF. IPTC profile generated by ...
by olos
2011-02-05T05:13:00-07:00
Forum: Users
Topic: ImageMagick convert TIF to b&w - result blank image
Replies: 4
Views: 17497

ImageMagick convert TIF to b&w - result blank image

Hello, I have two tif-s that are scans from Zeutschel Omniscan 12 and saved via Adobe Photoshop CS5 Windows. This 2 files (links below) are very similar (the same process of scanning and saving) but one s1001.tif converts to black and white with no problems using -type bilevel option. The second one ...