Using moment invariants for classifying shapes on large scale maps

Keyes, Laura and Winstanley, Adam C. (2001) Using moment invariants for classifying shapes on large scale maps. Computers, Environment and Urban Systems, 25.

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Automated feature extraction and object recognition are large research areas in the field of image processing and computer vision. Recognition is largely based on the matching of descriptions of shapes. Numerous shapes description techniques have been developed, such as scalar features (dimension, area, number of corners etc.), Fourier descriptors and moment invariants. These techniques numerically describe shapes independent of translation, scale and rotation and can be easily applied to topographical data. The applicability of the moment invariants technique to classify objects on large-scale maps is described. From the test data used, moments are fairly reliable at distinguishing certain classes of topographic object. However, their effectiveness will increase when fused with the results of other techniques.

Item Type: Article
Academic Unit: Faculty of Science and Engineering > Computer Science
Item ID: 64
Depositing User: Dr. Adam Winstanley
Date Deposited: 08 Sep 2006
Journal or Publication Title: Computers, Environment and Urban Systems
Refereed: Yes

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