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Detection of first and second order motion

Grunewald, Alexander and Neumann, Heiko (1998) Detection of first and second order motion. In: Advances in Neural Information Processing Systems 10 (NIPS 1997). Advances in Neural Information Processing Systems . No.10. MIT Press , Cambridge, MA, pp. 801-807. ISBN 0-262-10076-2.

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A model of motion detection is presented. The model contains three stages. The first stage is unoriented and is selective for contrast polarities. The next two stages work in parallel. A phase insensitive stage pools across different contrast polarities through a spatiotemporal filter and thus can detect first and second order motion. A phase sensitive stage keeps contrast polarities separate, each of which is filtered through a spatiotemporal filter, and thus only first order motion can be detected. Differential phase sensitivity can therefore account for the detection of first and second order motion. Phase insensitive detectors correspond to cortical complex cells, and phase sensitive detectors to simple cells.

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Additional Information:© 1998 Massachusetts Institute of Technology. This work was supported by the McDonnell-Pew program in Cognitive Neuroscience.
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McDonnell-Pew Program in Cognitive NeuroscienceUNSPECIFIED
Series Name:Advances in Neural Information Processing Systems
Issue or Number:10
Record Number:CaltechAUTHORS:20160224-133500044
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:64741
Deposited On:24 Feb 2016 21:51
Last Modified:03 Oct 2019 09:40

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