This effect is understood by the actors who are masters of impressions. Watch as Kevin Spacey made a series of prints (Link to YouTube). Before he even gets by voice, it focuses on the characteristic movement and posture of his subject.
The same is true with these "nano-printing" by Ross Marquand. The movement is more of his impressions as voice. For printing work, movement, voice, words, and combined calendar must be powerful enough to replace the opposite impression given by the face of measures of the imitator (Link to YouTube)
Psychology professors Karen Lander and Lewis Chuang University of Manchester showed in a research project that mobile faces are easier to recognize, especially when the person moves in a distinctive way. an expressionless face simply turning does not offer much. They write that the "distinctive character of the observed movements can be significant, with the beneficial effect of more and more pronounced as the face moves in a more 'typically' or distinctive. "
This is why I do not mind if a portrait subject is moving. In fact, I like it more if they are moving. It gives me a better idea their character, and help me decide the best pose and expression
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Tutorial.
Portraits in the Wild: Painting people in environments actual
Resources
Why are mobile Faces easier to recognize (free PDF of the study?) by Karen Lander and Lewis Chuang
Previously:
Eyebrows and face recognition
Disrupt face recognition technology
