2015 Fiscal Year Final Research Report
Nonlinear Physics of Vision as An Emerging Function of Brain and Its Applications
| Project/Area Number |
24240037
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (A)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 一般 |
|---|
| Research Field |
Sensitivity informatics/Soft computing
|
|---|
| Research Institution | Yamaguchi University |
|---|
Principal Investigator |
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
OSA Atsushi 山口大学, 大学院理工学研究科, 准教授 (90294652)
|
|---|
| Co-Investigator(Renkei-kenkyūsha) |
NOMURA Atsushi 山口大学, 教育学部, 教授 (40264973)
KAI Shoichi 九州大学, 名誉教授 (20112295)
|
|---|
| Project Period (FY) |
2012-04-01 – 2016-03-31
|
| Keywords | 感性認知科学 / 錯視 / 反応拡散モデル / 非線形物理 / ノイズ / 確率共鳴 / 脳機能 / 運動鮮鋭化 |
|---|
| Outline of Final Research Achievements |
In this research, we aimed to clarify the origin of visual illusion based on nonlinear physics. We recognize that the functions of visual system and its dynamics can be regarded as emerging phenomena self-organized in the system. On the basis of the fundamental approach, we also try to develop new information technology and new application to clinical medicine.
The most important result is understanding of "Motion Sharpening" based on the FitzHugh-Nagumo model (nonlinear reaction-diffusion model). We found that the nonlinear characteristics of the visual system can be replicated by the analysis of the system by investigating input-output characteristics against to very small amplitude input. On the basis of this founding, we proposed a new noise robust method to realize motion enhancement. Application for a patent is under preparation.
|
| Free Research Field |
非線形科学、視覚情報処理
|
