Structure from motion with impaired early motion computations

Lucia M. Vaina; Noberto M. Grzywacz

doi:10.1117/12.131661

1 November 1992 Structure from motion with impaired early motion computations

Lucia M. Vaina, Noberto M. Grzywacz

Proceedings Volume 1828, Sensor Fusion V; (1992) https://doi.org/10.1117/12.131661
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

Humans can recover the three-dimensional structure of moving objects from their changing two-dimensional structure (Wallach and O'Connell 1953; Braunstein 1976). In this paper, we describe a patient, A.F., with bilateral lesions involving the visual cortex who is severely impaired on computing local-speed and global-motion fields, but who can recover structure from motion. The data suggest that although possibly useful, global-motion fields are not necessary for deriving structure from motion. We discuss these results from the perspective of theoretical models for this computation.

Citation Download Citation

Lucia M. Vaina and Noberto M. Grzywacz "Structure from motion with impaired early motion computations", Proc. SPIE 1828, Sensor Fusion V, (1 November 1992); https://doi.org/10.1117/12.131661

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