Search found 3 matches

by IM.nut
2014-02-25T06:19:57-07:00
Forum: Users
Topic: How to darken only pixels that meet a certain criteria?
Replies: 6
Views: 2314

Re: How to darken only pixels that meet a certain criteria?

That is amazing.

So it appears IM really can do everything. And if this kind of support is typical, it's certainly tops in the open source world.

Let me play with this to check the extremes, then apply to the whole batch. Will report back on results and list code that finally worked.

Many thanks.
by IM.nut
2014-02-24T16:52:47-07:00
Forum: Users
Topic: How to darken only pixels that meet a certain criteria?
Replies: 6
Views: 2314

Re: How to darken only pixels that meet a certain criteria?

What version of Imagemagick? What platform? Can you post a link to an example image? You can upload to some free hosting service such as dropbox and put a link here. Best to have an example to test with. Apologies, Fred (and thanks for your excellent IM scripts page), meant to include that in the O...
by IM.nut
2014-02-24T14:13:38-07:00
Forum: Users
Topic: How to darken only pixels that meet a certain criteria?
Replies: 6
Views: 2314

How to darken only pixels that meet a certain criteria?

Admittedly new to IM, but already having success with it. This challenge, though, has me stumped (after several more hours of research) so asking here. Dealing with scans of 100-year-old, pencil-written notes in which the paper has darkened and the pencil lightened so contrast and readability have b...