Kyle mcDonald & Jen Hui Liao

Kyle mcDonald´s Blind Self Portrait uses computer vision algorithms to build a contour drawing of the visitor, and a moving platform guides their hand to execute the drawing while their eyes are closed. The experience of machine-guided movement is surprisingly uncanny, and when the drawing is complete it's unclear who should be signing the work.

Link to the video: http://vimeo.com/40279845

I also found a work of Jen Hui Liao. Her Self-Portrait Machine is a device that takes a picture of the sitter and draws it but with the model's help. The wrists of the individual are tied to the machine and it is his or her hands that are guided to draw the lines that will eventually form the portrait.

An example of the work of Jen Hui Liao: