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Creating a large-scale content-based airphoto image digital library

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3 Author(s)
Bin Zhu ; Dept. of Manage. Inf. Syst., Arizona Univ., Tucson, AZ, USA ; Ramsey, M. ; Hsinchun Chen

We describe a content-based image retrieval digital library that supports geographical image retrieval over a testbed of 800 aerial photographs, each 25 megabytes in size. In addition, this paper also introduces a methodology to evaluate the performance of the algorithms in the prototype system. There are two major contributions: we suggest an approach that incorporates various image processing techniques including Gabor filters, image enhancement and image compression, as well as information analysis techniques such as the self-organizing map (SOM) into an effective large-scale geographical image retrieval system. We present two experiments that evaluate the performance of the Gabor-filter-extracted features along with the corresponding similarity measure against that of human perception, addressing the lack of studies in assessing the consistency between an image representation algorithm or an image categorization method and human mental model

Published in:

Image Processing, IEEE Transactions on  (Volume:9 ,  Issue: 1 )