Incremental Knowledge Representation Based on Visual Selective Attention

Authors:
Minho Lee;Sang-Woo Ban
Affiliations:
School of Electrical Engineering and Computer Science, Kyungpook National University, Taegu, Korea 702-701;Dept. of Information and Communication Engineering, Dongguk University, Gyeongbuk, Korea 780-714
Venue:
Neural Information Processing
Year:
2008

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Abstract

Knowledge-based clustering and autonomous mental development remains a high priority research topic, among which the learning techniques of neural networks are used to achieve optimal performance. In this paper, we present a new framework that can automatically generate a relevance map from sensory data that can represent knowledge regarding objects and infer new knowledge about novel objects. The proposed model is based on understating of the visual what pathway in our brain. A bottom-up attention model can selectively decide salient object areas. Color and form features for a selected object are generated by a sparse coding mechanism by a convolution neural network (CNN). Using the extracted features by the CNN as inputs, the incremental knowledge representation model, called the growing fuzzy topology adaptive resonant theory (TART) network, makes clusters for the construction of an ontology map in the color and form domains. The clustered information is relevant to describe specific objects, and the proposed model can automatically infer an unknown object by using the learned information. Experimental results with real data have demonstrated the validity of this approach.