| Presentation | 2011-01-24 Medial Axis for the Cortical Representation of 3D Shape Wei QIU, Ko SAKAI, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The representation of shape in visual cortex is a fundamental problem in vision science. Physiological studies on monkeys have suggested the representation by two-dimensional medial axis (2D MA) in the primary visual cortex (V1). Binocular fusion that begins from V1 has been reported to yield the representation of three-dimensional (3D) shape based on surfaces in higher visual areas. It appears that the 2D MAs for the left and right retinal images are determined independently in V1 and the 3D MA is computed from the fusion of the two 2D MAs. To investigate the plausibility of this hypothesis, we developed a computational model based on the visual neural system and observed the behavior of the model. The model reconstructed successfully 3D shape from various objects including those from natural images with simple, parallel computations. The result suggests the plausibility of the hypothesis and the importance of further investigation on the shape representation by 3D MA that is computed from the two 2D MAs. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | vision / 3D shape / shape representation / medial axis / stereopsis |
| Paper # | NLP2010-138,NC2010-102 |
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| Conference Information | |
| Committee | NC |
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| Conference Date | 2011/1/17(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| 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) | Medial Axis for the Cortical Representation of 3D Shape |
| Sub Title (in English) | |
| Keyword(1) | vision |
| Keyword(2) | 3D shape |
| Keyword(3) | shape representation |
| Keyword(4) | medial axis |
| Keyword(5) | stereopsis |
| 1st Author's Name | Wei QIU |
| 1st Author's Affiliation | College of Media Arts, Science and Technology, School of Informations, University of Tsukuba() |
| 2nd Author's Name | Ko SAKAI |
| 2nd Author's Affiliation | Graduate School of Systems and Information Engineering, University of Tsukuba |
| Date | 2011-01-24 |
| Paper # | NLP2010-138,NC2010-102 |
| Volume (vol) | vol.110 |
| Number (no) | 388 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |