Here’s a few simple steps to generate variations of line art from your digital photos.
The source image used in this tutorial is from AbsolutVision.com. Register today for a great high resolution image of the week or for a cost effective monthly or yearly membership.

Creating LineArt from Photos (version 2)

To begin, have the target image layer selected, as I have captured above.

Next, go ‘Filter/Stylize/Find Edges’.

Will produce the following result.

Creating LineArt from Photos (version 2)

Next, go ‘Filter/Sketch/Photocopy’.

Adjust the ‘Detail/Darkness’ sliders for a desirable smooth line edge.

Creating LineArt from Photos (version 2)

Resulting image.

Creating LineArt from Photos (version 2)

Other Samples:

Creating LineArt from Photos (version 2)
Creating LineArt from Photos (version 2)

Summary:

1. ‘Filter/Stylize/Find Edges’
2. ‘Filter/Sketch/Photocopy’