Search found 3 matches

by Vilius
2019-03-10T04:19:53-07:00
Forum: Users
Topic: Inverse blur/sharpen kernel
Replies: 6
Views: 3625

Re: Inverse blur/sharpen kernel

Many thanks for your answers. Do you mean something like: w=$(convert image -format "%w" info:); h=$(convert image -format "%h" info:); convert -composite image \( +clone image -unsharp 0x3+1+0 \) \( +clone -size 1x$h gradient: -fx "atan(u*Pi)/atan(Pi)-.1" -negate -scale "$wx$h !" \) result.jpg ? I ...
by Vilius
2019-03-09T16:49:02-07:00
Forum: Users
Topic: Inverse blur/sharpen kernel
Replies: 6
Views: 3625

Re: Inverse blur/sharpen kernel

Hi, I was looking for the solution of almost the same problem. I need to selectively sharpen some pictures (in batch modus) -- like here http://digiretus.com/selective-sharpening-in-photoshop/ in Photoshop. The top of the photograph should be sharpened and towards the bottom the factor should gradua...
by Vilius
2016-08-02T04:57:11-07:00
Forum: Fred's Scripts
Topic: Splitcrop with fuzzy parameter
Replies: 1
Views: 15208

Splitcrop with fuzzy parameter

Hello, I am trying to process the scanned text. What I would like to achieve is to split a page horizontally _between_ two lines of text, and then add some space around the croped part of the page. Any idea how to recognize the block of the text to avoid cutting the textlines? https://s31.postimg.or...