Viewer’s movement and expressions are mimicked by an animal’s head which is overlaid on the viewer’s reflection. From the viewer's perspective the animal image appears directly on top of their own.

gravitytrap.com/artwork/perfect-creatures

Made using
FaceTracker library from Jason Saragih (web.mac.com/jsaragih/FaceTracker/FaceTracker.html),
ofxFaceTracker addon by Kyle McDonald (github.com/kylemcdonald/ofxFaceTracker)
openFrameworks (openframeworks.cc/)
Unity3d (unity3d.com/)
Blender3d (blender.org/)

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