Filtering and segmentation of digitized land use map images |
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| Authors: | Rafael Santos Takeshi Ohashi Takaichi Yoshida Toshiaki Ejima |
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| Affiliation: | Instituto de Pesquisa e Desenvolvimento, Universidade do Vale do Paraíba, Av. Shishima Hifumi 2911, Urbanova, S?o José dos Campos, S?o Paulo 12244-000, Brazil; e-mail: rafael@univap.br, BR
Department of Artificial Intelligence, Faculty of Computer Science and Systems Engineering, Kyushu Institute of Technology, Kawazu 680-4, Iizuka, Fukuoka 820-8502, Japan; e-mail: {ohashi,takaichi,toshi}@mickey.ai.kyutech.ac.jp, JP
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| Abstract: | One important step in the analysis of digitized land use map images is the separation of the information in layers. In this
paper we present a technique called Selective Attention Filter which is able to extract or enhance some features of the image
that correspond to conceptual layers in the map by extracting information from results of clustering of local regions on the
map. Different parameters can be used to extract or enhance different information on the image. Details on the algorithm,
examples of application of the filter and results are also presented.
Received: October 1, 1997 / Revised June 16, 1998 |
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| Keywords: | :Map image processing – Segmentation – Land use maps – Clustering – Filtering |
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