Abstract
A fundamental problem in model-based computer vision is that of identifying to which of a given set of concept classes of geometric models an observed model belongs. Considering a “probe” to be an oracle that tells whether or not the observed model is present at a given point in an image, we study the problem of computing efficient strategies (“decision trees”) for probing an image, with the goal to minimize the number of probes necessary (in the worst case) to determine in which class the observed model belongs. We prove a hardness result and give strategies that obtain decision trees whose height is within a log factor of optimal.
These results grew out of discussions that began in a series of workshops on Geometric Probing in Computer Vision, sponsored by the Center for Night Vision and Electro-Optics, Fort Belvoir, Virginia, and monitored by the U.S. Army Research Office. The views, opinions, and/or findings contained in this report are those of the authors and should not be construed as an official Department of the Army position, policy, or decision, unless so designated by other documentation.
Partially supported by NSF Grants ECSE-8857642 and CCR-9204585.
Partially supported by the NSF and DARPA under Grant CCR-8908092, by the NSF under Grants CCR-9003299, and IRI-9116843.
Partially supported by grants from Hughes Research Laboratories, Boeing Computer Services, Air Force Office of Scientific Research contract AFOSR-91-0328, and by NSF Grants ECSE-8857642 and CCR-9204585.
Partially supported by NSF Grant CCR-89-08901 and by grant JSA 91-5 from the Bureau of the Census.
Partially supported by NSF grant CCR-9109289 and New York Science and Technology Foundation grants RDG-90171 and RDG-90172.
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© 1993 Springer-Verlag Berlin Heidelberg
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Arkin, E.M., Goodrich, M.T., Mitchell, J.S.B., Mount, D., Piatko, C.D., Skiena, S.S. (1993). Point probe decision trees for geometric concept classes. In: Dehne, F., Sack, JR., Santoro, N., Whitesides, S. (eds) Algorithms and Data Structures. WADS 1993. Lecture Notes in Computer Science, vol 709. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57155-8_239
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DOI: https://doi.org/10.1007/3-540-57155-8_239
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