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Publication Details

Learning and Recognition In Natural Environments

by Pentland, Alex P.

Technical Note 421
Institution: AI Center, SRI International
Address: 333 Ravenswood Ave., Menlo Park, CA 94025
Jun 1987.

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Abstract

We present a system for learning descriptions of objects, and for subsequently recognizing learned objects, that functions in outdoor, natural environments. We describe in detail two modes of functioning within this system: (1) unguided, bottom-up learning of object descriptions directly from image data; (2) top-down recognition of objects whose approximate position and structure are known by use of image-level matching. We then argue that the system’s performance in these two modes indicates that robust outdoor performance can be achieved within the structure of our vision system.

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