Alter Ego plays with our expectations, mapping visual and affective information along unexpected pathways in order to draw attention to the subtle relationship between technological development and the transformation of human self-image and identification. At the same time, it points up the inseparability of human and machine of conscious actions and affective responses. This dialogue continues until the system detects that the face of the individual has moved outside its field of vision, at which time it is reset.įor the user, Alter Ego introduces a sense of rupture between the observed self and the experienced self. For example: if the person viewed by the camera smiles, the virtual face, or ‘alter ego’, may look surprised or angry, or may smile back. After about thirty seconds this reflection begins to react to, rather than mirror, the facial expressions of the user. As the computer is working the user will see an image which forms his or her own ‘reflection’. Using data gathered from these captured images, our system reorganises a stored 3D model to appear as the face of the user. The computer captures images of the face via a webcam located behind the ‘mirror'. The individual user is invited to sit still on the stool with a blank expression on his or her face for some seconds. In the installation a stool with a curved black screen behind it is placed in front of what appears to be a mirror hanging on a wall. In this screen-based installation individual audience members interact with what appears to be their own mirror image but which is, in fact, an avatar onto which the face of the user is mapped in real time. Using a computer to create a semi-autonomous replica of the person sitting in front of it, Alter Ego invites its audience to question the various facets of their own identity. It is possible to observe in oneself different facets of personality in different situations, with different parts of the self emerging at different times. It is a common experience that we are aware of another self, or even several selves, which are generally unconscious, but rise to the surface in various contexts.
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