Biologically Inspired Hierarchical Model for Feature Extraction and Localization

Details Biologically Inspired Hierarchical Model for Feature Extraction and Localization Biologically Inspired Hierarchical Model for Feature Extraction and Localization

2006-04-14

arxiv.org/abs/cs/0604062v1

Computer Science

Computer Vision and Pattern Recognition

4 pages, 4 figures

Scientific paper

Feature extraction and matching are among central problems of computer vision. It is inefficent to search features over all locations and scales. Neurophysiological evidence shows that to locate objects in a digital image the human visual system employs visual attention to a specific object while ignoring others. The brain also has a mechanism to search from coarse to fine. In this paper, we present a feature extractor and an associated hierarchical searching model to simulate such processes. With the hierarchical representation of the object, coarse scanning is done through the matching of the larger scale and precise localization is conducted through the matching of the smaller scale. Experimental results justify the proposed model in its effectiveness and efficiency to localize features.

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