Using a head-mounted camera to infer attention direction

Schmitow, Clara,1983-Uppsala universitet,Institutionen för psykologi,Uppsala universitet, Institutionen för psykologi (författare)

A head-mounted camera was used to measure head direction. The camera was mounted to the forehead of 20 6- and 20 12-month-old infants while they watched an object held at 11 horizontal (−80° to + 80°) and 9 vertical (−48° to + 50°) positions. The results showed that the head always moved less than required to be on target. Below 30° in the horizontal dimension, the head undershoot of object direction was less than 5°. At 80°, however, the undershoot was substantial or between 10° and 15°. In the vertical dimension, the undershoot was larger than in the horizontal dimension. At 30°, the undershoot was around 25% in the downward direction and around 40% in the upward direction. The size of the undershoot was quite consistent between conditions. It was concluded that the head-mounted camera is a useful indicator of horizontal looking direction in a free looking situation where the head is only turned moderately from a straight ahead position.

Stenberg, GunillaUppsala universitet,Institutionen för psykologi,Uppsala universitet, Institutionen för psykologi(Swepub:uu)gunilste (författare)
Billard, AudeLearning Algorithms and Systems Laboratory (LASA), EPFL, Switzerland (författare)
von Hofsten, ClaesUppsala universitet,Institutionen för psykologi,Uppsala universitet, Institutionen för psykologi(Swepub:uu)claevon (författare)
Uppsala universitetInstitutionen för psykologi (creator_code:org_t)

Ingår i:International Journal of Behavioral Development: SAGE Publications37:5, s. 468-4740165-02541464-0651

Av författaren/redakt...: Schmitow, Clara, ...; Stenberg, Gunill ...; Billard, Aude; von Hofsten, Cla ...

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