Search found 37 matches

by vpmammana
2015-12-13T18:46:08-07:00
Forum: Users
Topic: Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day
Replies: 55
Views: 50278

Re: Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day

WOW!

Great!

I wonder if the threshold selected would work for all contrast conditions?

I will make a try with several images, different conditions, and will return here.

Thanks a lot! Hope this questions are useful for other people.
by vpmammana
2015-12-11T00:41:47-07:00
Forum: Users
Topic: Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day
Replies: 55
Views: 50278

Re: Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day

thank you!

would you be more specific?

how could I do this edge threshold?
by vpmammana
2015-12-08T23:49:51-07:00
Forum: Users
Topic: Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day
Replies: 55
Views: 50278

Re: Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day

Well, I tried your suggestion, but perhaps I used wrong technique. See: http://i1039.photobucket.com/albums/a473/vpmammana/s3_zpszch0ztg9.jpg This image is devided in 3x2 areas: the upper line was obtained from the code below (already mentioned above): compare $f a0.jpg -fuzz 20% -metric FUZZ saida....
by vpmammana
2015-12-08T20:27:44-07:00
Forum: Users
Topic: Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day
Replies: 55
Views: 50278

Re: Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day

Forgot to say that in the examples the dog and the man are inside the balcony. Just a detail. Moreover, I forgot to say that a possible solution would be based on using a set of fixed reference images as the basis for comparison. Here I am not concerned with camera movement, but background movement ...
by vpmammana
2015-12-08T20:10:55-07:00
Forum: Users
Topic: Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day
Replies: 55
Views: 50278

Using ImageMagick to identify a person walking over grass for a fixed camera in a sunny day

I wonder what would be the best way to use ImageMagick to identify a person (or a dog) walking over a grass in a sunny day, using a fixed camera. For a cloudy day, that is not a problem, as you can see in the following image: http://i1039.photobucket.com/albums/a473/vpmammana/dog_man_zpsauvyhxjr.jpg...