RESEARCH ARTICLE


Exploring Guide Context in City Scenario Using Color and Gradient Features



Zhuo Bian*
Art Academy of Northeast Agriculture University, Harbin 150001, China.


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Creative Commons License
© 2015 Zhuo Bian;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Art Academy of Northeast Agriculture University, Harbin 150001, China; Tel: (+86)18646516313; E-mail: bianzhuo1219@126.com


Abstract

Guide signs provide us with a remarkable amount of information about our surroundings and enables us to interact efficiently with the environment. In this paper, guidance system in a difined city scenario are explored in the image domain employing both color and gradient features. Specifically, color impression is exploited statistically based on a color difference model fusing human visual sensation and psychological perception of the designers and the guide-users. Furthermore, a gradient feature followed by a dimensionality reduction process is proposed for the deep feature extraction of signs. Our two sign features are complimentary, also of great potential for both designers and users to accomplish interaction with environment efficiently. Experiments are illustrated and the results validate our approach.

Keywords: Color impression, feature extraction, gradient feature, guide signs.