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An introduction to object recognition

MPG-Autoren
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Liter,  JC
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Bülthoff,  HH
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Zitation

Liter, J., & Bülthoff, H. (1998). An introduction to object recognition. Zeitschrift für Naturforschung, C: Journal of Biosciences, 53(7-8), 610-621.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0013-E801-1
Zusammenfassung
In this report we present a general introduction to object recognition. We begin with brief discussions of the terminology used in the object
recognition literature and the psychophysical tasks that are used to investigate object recognition. We then discuss models of shape representation. We
dispense with the idea that shape representations are like the 3-D models used in computer aided design and explore instead models of shape representation
that are based on feature descriptions. As these descriptions encode only the features that are visible from a particular viewpoint, they are generally
viewpoint-specific, We discuss various means of achieving viewpoint-invariant recognition using such descriptions, including reliance on diagnostic
features visible from a wide range of viewpoints, storage of multiple descriptions for each object, and the use of transformation mechanisms. Finally, we
discuss how differences in viewpoint dependence that are often observed for within-category and between-category recognition tasks could be due to
differences in the types of features that are naturally available to distinguish among different objects in these tasks.