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» On Learning Boolean Functions
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CC
2008
Springer
133views System Software» more  CC 2008»
15 years 6 months ago
Hardness Amplification via Space-Efficient Direct Products
We prove a version of the derandomized Direct Product lemma for deterministic space-bounded algorithms. Suppose a Boolean function g : {0, 1}n {0, 1} cannot be computed on more th...
Venkatesan Guruswami, Valentine Kabanets
ECCC
2007
122views more  ECCC 2007»
15 years 6 months ago
Infeasibility of Instance Compression and Succinct PCPs for NP
The OR-SAT problem asks, given Boolean formulae φ1, . . . , φm each of size at most n, whether at least one of the φi’s is satisfiable. We show that there is no reduction fr...
Lance Fortnow, Rahul Santhanam
PAMI
2008
134views more  PAMI 2008»
15 years 6 months ago
Bittracker - A Bitmap Tracker for Visual Tracking under Very General Conditions
This paper addresses the problem of visual tracking under very general conditions: a possibly nonrigid target whose appearance may drastically change over time, general camera moti...
Ido Leichter, Michael Lindenbaum, Ehud Rivlin
IJFCS
2007
98views more  IJFCS 2007»
15 years 6 months ago
Modular Ranking Abstraction
Ranking Abstraction Ittai Balaban Computer Science Department, New York University, 251 Mercer St., New York, New York 10012, United States and Amir Pnueli Computer Science Departm...
Ittai Balaban, Amir Pnueli, Lenore D. Zuck
JEI
2000
134views more  JEI 2000»
15 years 6 months ago
Pattern matching using the blur hit - miss transform
The usefulness of the hit-miss transform (HMT) and related transforms for pattern matching in document image applications is examined. Although the HMT is sensitive to the types o...
Dan S. Bloomberg, Luc Vincent