Using Biologically Inspired Visual Features and Mixture of Experts for Face/Nonface Recognition

Authors:
Zeinab Farhoudi;Reza Ebrahimpour
Affiliations:
Department of Computer Engineering, Islamic Azad University Science and Research Branch, Tehran, Iran;School of Cognitive Sciences, Institute for Studies on Theoretical Physics and Mathematics, Tehran, Iran and Department of Electrical and Computer Engineering, Shahid Rajaee University, Tehran, Ir ...
Venue:
ICONIP '09 Proceedings of the 16th International Conference on Neural Information Processing: Part II
Year:
2009

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Abstract

This paper introduces a novel, effective applicability of features inspired by visual ventral stream and biologically-motivated classification model, mixture of experts network for face/nonface recognition task. It describes a feature extracting system that derives from a feedforward model of visual cortex and builds a set of pose, facial expression, illumination and view invariant C1 features from all images in the dataset. Also, mixture of MLP experts network is a classifier which demonstrates high generalization capabilities in many different tasks. In accordance to these biological evidences, we propose face/nonface recognition model which combine these two techniques for the robust face/nonface problem. Experimental results using the combination C1 features and mixture of MLP experts network classifier, obtains higher recognition rate than related works in face/nonface identification. In addition, experimental results demonstrate this method is illumination and view-invariant.