caa a22 4500 463244966 CHVBK 20180405153323.0 cr unu---uuuuu 170326e20071201xx s 000 0 eng 10.1007/s00422-007-0183-z doi (NATIONALLICENCE)springer-10.1007/s00422-007-0183-z A unified probabilistic model of the perception of three-dimensional structure from optic flow [Elektronische Daten] [Francis Colas, Jacques Droulez, Mark Wexler, Pierre Bessière] Human observers can perceive the three- dimensional (3-D) structure of their environment using various cues, an important one of which is optic flow. The motion of any point's projection on the retina depends both on the point's movement in space and on its distance from the eye. Therefore, retinal motion can be used to extract the 3-D structure of the environment and the shape of objects, in a process known as structure-from-motion (SFM). However, because many combinations of 3-D structure and motion can lead to the same optic flow, SFM is an ill-posed inverse problem. The rigidity hypothesis is a constraint supposed to formally solve the SFM problem and to account for human performance. Recently, however, a number of psychophysical results, with both moving and stationary human observers, have shown that the rigidity hypothesis alone cannot account for human performance in SFM tasks, but no model is known to account for the new results. Here, we construct a Bayesian model of SFM based mainly on one new hypothesis, that of stationarity, coupled with the rigidity hypothesis. The predictions of the model, calculated using a new and powerful methodology called Bayesian programming, account for a wide variety of experimental findings. Springer-Verlag, 2007 Colas Francis LPPA, Collège de France, 11, place Marcelin Berthelot, 75231, Paris Cedex 05, France aut Droulez Jacques Collège de France, Laboratoire de la Physiologie de la Perception et de l'Action, 11 place Marcelin Berthelot, 75005, Paris, France aut Wexler Mark Collège de France, Laboratoire de la Physiologie de la Perception et de l'Action, 11 place Marcelin Berthelot, 75005, Paris, France aut Bessière Pierre Gravir Laboratory, INRIA Rhône-Alpes, 655 avenue de l'Europe, 38334, Montbonnot, France aut Biological Cybernetics Springer-Verlag 97/5-6(2007-12-01), 461-477 0340-1200 97:5-6<461 2007 97 422 https://doi.org/10.1007/s00422-007-0183-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00422-007-0183-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Colas Francis LPPA, Collège de France, 11, place Marcelin Berthelot, 75231, Paris Cedex 05, France aut NATIONALLICENCE 700 1- Droulez Jacques Collège de France, Laboratoire de la Physiologie de la Perception et de l'Action, 11 place Marcelin Berthelot, 75005, Paris, France aut NATIONALLICENCE 700 1- Wexler Mark Collège de France, Laboratoire de la Physiologie de la Perception et de l'Action, 11 place Marcelin Berthelot, 75005, Paris, France aut NATIONALLICENCE 700 1- Bessière Pierre Gravir Laboratory, INRIA Rhône-Alpes, 655 avenue de l'Europe, 38334, Montbonnot, France aut NATIONALLICENCE 773 0- Biological Cybernetics Springer-Verlag 97/5-6(2007-12-01), 461-477 0340-1200 97:5-6<461 2007 97 422 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer