What Do You Mean by "Salience"?

In the field of computer vision, the term “salience” is being used with different or ambiguous meanings in a variety of contexts. This abuse of terminology contributes to create some confusion or misunderstanding among practitioners in computer vision, a situation which is particularly inconvenient to less experienced researchers in the field. The contribution of this paper is twofold. On the one hand, by providing a categorization of some different usages of the concept of salience, its possible meanings will be clarified. On the other hand, by providing a common framework to understand and conceptualize those different meanings, the commonalities emerge and these analogies might serve to relate the ideas and techniques across usages.

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