HOUSE EXTRACTION WITH MULTIRESOLUTION ANALYSIS AND INFORMATION FUSION

Houses are key elements both in aerial photographs and maps. Their extraction has significance not only to military, but also to automatical relative orientation, automatical absolute orientation, feature-based matching, systematic description, automatic data aquisition, structure analysis, image understanding, digital mapping, and construction of urban geographic information system (UGIS). For this purpose, this paper mainly addresses:(1) a brief introduction to the multiresolution analysis of wavelet theory and its difference form Laplacian pyramid, (2) how to generate the multiresolution images and edge features, and (3) how to employ these multiresolution images and edge features to extract the houses from aerial photographs by multiresolution structure and information fusion.