Search found 19 matches

by dgpeters
2013-09-29T11:54:03-07:00
Forum: Users
Topic: How do I filter out red, white, yellow - but keep the green?
Replies: 7
Views: 7379

Re: How do I filter out red, white, yellow - but keep the gr

I think you are the author of this wonderful utility so I must be extremely nice to you. Thanks for a superb utility. You asked me why I don't simply want the green. Because that produces false results - namely it also produces hits on yellow, white and anything else that includes green. But from th...
by dgpeters
2013-09-29T09:41:03-07:00
Forum: Users
Topic: How do I filter out red, white, yellow - but keep the green?
Replies: 7
Views: 7379

How do I filter out red, white, yellow - but keep the green?

I need to use Imagemagick to create a color filter that eliminates everything but green. Please don't confuse this request with the idea of creating a color filter that keeps only the green. These are completely different things. So for example a yellow color should be filtered OUT even though yello...
by dgpeters
2013-09-10T16:21:18-07:00
Forum: Users
Topic: Trying to get a file's average brightness level
Replies: 3
Views: 4666

Re: Trying to get a file's average brightness level

Wow, that was fast and seems to be correct. I've been working all day on this (that's because I'm quite new to Image Magick). I thank you and I love you. Sleep well.
by dgpeters
2013-09-10T16:04:44-07:00
Forum: Users
Topic: Trying to get a file's average brightness level
Replies: 3
Views: 4666

Trying to get a file's average brightness level

The documentation isn't clear what this output actually calculates: identify -format "%[mean]\n" filename It sounds like it should be similar to the "Mean" values that come out of (the middle of) this command: identify -verbose filename But they aren't alike at all. Why are these statistics differen...