Letting Ants Labeling Point Features

This paper describes an ant colony system (ACS) for labeling point features. A preprocessing step reduces the search space in a safe way. The ACS applies local improvement and masking, a technique that focuses the optimization on criti- cal regions. Empirical results indicate that the ACS reliably iden- tifies high-quality solutions which are in many cases better than those of a state-of-the-art genetic algorithm for point feature la- beling.

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