What is a line? // Research

i have been looking into some collage work for research of my what is a line brief...

Chad Kouri - http://www.longliveanalog.com/?cat=4

I like the idea of combing photographs of people with colours and shapes to create these contemporary collages. I think this will work well with the subject of hats i am working with.

Cristina Couceiro - http://hueandsaturation.tumblr.com/

Again, layering mainly black and white images onto lines, type, colours and shapes. Really nice work.

Ashkan Honavar  - http://www.ashkanhonarvar.com/

More experimental collage artist. Not the direct route i want to go down but stunning work non the less. Definitely and influence in what i want to do.