The week's pick
Reseach Article
A Self-Organizing Neural Scheme for Door Detection in Different Environments
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 60 - Number 9 |
| Year of Publication: 2012 |
| Authors: F. Mahmood, F. Kunwar |
10.5120/9719-3679
|
F. Mahmood, F. Kunwar . A Self-Organizing Neural Scheme for Door Detection in Different Environments. International Journal of Computer Applications. 60, 9 ( December 2012), 13-18. DOI=10.5120/9719-3679
Abstract
Doors are important landmarks for indoor mobile robot navigation and also assist blind people to independently access unfamiliar buildings. Most existing algorithms of door detection are limited to work for familiar environments because of restricted assumptions about color, texture and shape. In this paper we propose a novel approach which employs feature based classification and uses the Kohonen Self-Organizing Map (SOM) for the purpose of door detection. Generic and stable features are used for the training of SOM that increase the performance significantly: concavity, bottom-edge intensity profile and door edges. To validate the robustness and generalizability of our method, we collected a large dataset of real world door images from a variety of environments and different lighting conditions. The algorithm achieves more than 95% detection which demonstrates that our door detection method is generic and robust with variations of color, texture, occlusions, lighting condition, scales, and viewpoints.
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