Photo to Vector Line Art drawings can be very basic with minimum detail or can be highly detailed because it is done manually through drawing. The more detail you want to include on the vector graphic, the longer it will take to process that vector.
Photo to Line Art with Photoshop
Turn your photo into a quality line art with Adobe Photoshop
Photo to Line Art with Illustrator
Make your high quality photo into a line art with Illustrator using image trace option
Photo to Line Art with GIMP
You can create your any photo into a smooth line art with GIMP using its adjustment tools