Overview of geometric hashing for matching features across different applications, suggesting its efficiency.
Geometric hashing, a technique originally developed in computer vision for matching geometric features against a database of such features, finds use in a number of other areas. Matching is possible even when the recognizable database objects have undergone transformations or when only partial information is present. The technique is highly efficient and of low polynomial complexity.
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Wolfson et al. (1997) studied this question.
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