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  Spatial integration in structure from motion

Di Luca, M., Domini, F., & Caudek, C. (2004). Spatial integration in structure from motion. Vision Research, 44(26), 3001-3013. doi:10.1016/j.visres.2004.07.004.

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Di Luca, M1, Author              
Domini, F, Author
Caudek, C, Author              
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1External Organizations, ou_persistent22              

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 Abstract: In three experiments we investigated whether the perception of 3D structure from the optic-flow involves a process of spatial integration. The observeramp;amp;amp;lsquo;s task was to judge the 3D orientation of local velocity field patches. In two conditions, the patches were presented either in isolation, or as part of a global optic-flow. In Experiment 1, the global optic-flow was a linear velocity field. In Experiment 2, the patches were embedded in a randomly perturbed linear velocity field. In Experiment 3, the local patches belonged to a smoothly curved surface. The results of these three experiments lead to two main conclusions: (1) a process linking spatially separated patches into global entities does affect the perception of local surface orientation induced by the optic-flow, and (2) linearity or smoothness of the global velocity field are not necessary conditions for spatial integration.

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 Dates: 2004-12
 Publication Status: Published in print
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 Identifiers: DOI: 10.1016/j.visres.2004.07.004
BibTex Citekey: 4127
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Title: Vision Research
  Other : Vision Res.
Source Genre: Journal
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Publ. Info: Amsterdam : Pergamon
Pages: - Volume / Issue: 44 (26) Sequence Number: - Start / End Page: 3001 - 3013 Identifier: ISSN: 0042-6989
CoNE: https://pure.mpg.de/cone/journals/resource/954925451842