| Presentation | 2014-01-20 Adaptive mechanism for motion perception under occluded condition in visual cortex Yusuke KANDA, Osamu WATANABE, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Motion information is processed in the dorsal stream that begins with V1 and goes to MT in the visual cortex. Simoncelli, et al.(1988) proposed a hierarchical model that explains the motion detection mechanism between V1 and MT. However, this model assumed an ideal condition that there was only one object and was not considered the occlusion that was generally occurred in natural images. In particular, motion perception under occluded condition raises an issue of low effective sampling rate. Hayashi, et al.(2010) showed the psychophysical properties of slit motion perception and suggested that an adaptive weighting mechanism for V1 response was nec- essary to interpret the results. In this study, based on the Simoncelli's model, we proposed an adaptive mechanism for motion detection under occluded condition. Specifically, we proposed a model for dynamic weighting based on the frequency included in V1 responses and showed that our model could explain the Hayashi's results. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Motion perception / Area MT / Hierarchical model / Slit motion / Adaptive mechanism |
| Paper # | NC2013-70 |
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| Committee | NC |
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| Conference Date | 2014/1/13(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Registration To | Neurocomputing (NC) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Adaptive mechanism for motion perception under occluded condition in visual cortex |
| Sub Title (in English) | |
| Keyword(1) | Motion perception |
| Keyword(2) | Area MT |
| Keyword(3) | Hierarchical model |
| Keyword(4) | Slit motion |
| Keyword(5) | Adaptive mechanism |
| 1st Author's Name | Yusuke KANDA |
| 1st Author's Affiliation | Graduate School of Engineering, Muroran Institute of Technology() |
| 2nd Author's Name | Osamu WATANABE |
| 2nd Author's Affiliation | Graduate School of Engineering, Muroran Institute of Technology |
| Date | 2014-01-20 |
| Paper # | NC2013-70 |
| Volume (vol) | vol.113 |
| Number (no) | 382 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |