Presentation | 1999/10/21 Formation of orientation preference map in visual cortex H. Nakamura, S. Inawashiro, |
---|---|
PDF Download Page | PDF download Page Link |
Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | We study the formation of orientation selectivity map in the primary visual area of the brain using two-layered neural network. A cluster learning rule is used together with ordinary Hebbian rule. Previously only the Monte Carlo method have given the appromate solution of the nonlinear equations. We have succeeded in solving the simultaneous nonlinear equations directly by iterations. In iterations, parameters for inhititions are gradually increased to desired values. The orientation selectivity map thus obtained is in agreement with the results of experiments. Our gradual inhibition method gives one of exact solutions efficiently, and it will be applied to computations in a large-scaled system. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | visual area / neural network / orientation selectivity / singularity / learning rule / inhibitory neuron |
Paper # | NC99-46 |
Date of Issue |
Conference Information | |
Committee | NC |
---|---|
Conference Date | 1999/10/21(1days) |
Place (in Japanese) | (See Japanese page) |
Place (in English) | |
Topics (in Japanese) | (See Japanese page) |
Topics (in English) | |
Chair | |
Vice Chair | |
Secretary | |
Assistant |
Paper Information | |
Registration To | Neurocomputing (NC) |
---|---|
Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | Formation of orientation preference map in visual cortex |
Sub Title (in English) | |
Keyword(1) | visual area |
Keyword(2) | neural network |
Keyword(3) | orientation selectivity |
Keyword(4) | singularity |
Keyword(5) | learning rule |
Keyword(6) | inhibitory neuron |
1st Author's Name | H. Nakamura |
1st Author's Affiliation | Department of Computer Science, College of Enginieering, Nihon University() |
2nd Author's Name | S. Inawashiro |
2nd Author's Affiliation | Department of Computer Science, College of Enginieering, Nihon University |
Date | 1999/10/21 |
Paper # | NC99-46 |
Volume (vol) | vol.99 |
Number (no) | 382 |
Page | pp.pp.- |
#Pages | 8 |
Date of Issue |