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Published in:
2008 | OriginalPaper | Chapter
Some Objects Are More Equal Than Others: Measuring and Predicting Importance
Authors : Merrielle Spain, Pietro Perona
Published in: Computer Vision – ECCV 2008
Publisher: Springer Berlin Heidelberg
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We observe that everyday images contain dozens of objects, and that humans, in describing these images, give different priority to these objects. We argue that a goal of visual recognition is, therefore, not only to detect and classify objects but also to associate with each a level of priority which we call ‘importance’. We propose a definition of importance and show how this may be estimated reliably from data harvested from human observers. We conclude by showing that a first-order estimate of importance may be computed from a number of simple image region measurements and does not require access to image meaning.