696 search results - page 116 / 140 » A class of combinatorial identities |
128
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HIP
2005
Springer
15 years 7 months ago
2005
Springer
In this paper, we propose a new class of Human Interactive Proofs (HIPs) that allow a human to distinguish one computer from another. Unlike traditional HIPs, where the computer is...
SIGCSE
2003
ACM
15 years 7 months ago
2003
ACM
We report the results of a year-long experiment in the use of robots to teach computer science. Our data set compares results from over 800 students on identical tests from both r...
112
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IBPRIA
2003
Springer
15 years 7 months ago
2003
Springer
The dimensionality of the input data often far exceeds their intrinsic dimensionality. As a result, it may be difficult to recognize multidimensional data, especially if the number...
142
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AVSS
2009
IEEE
15 years 7 months ago
2009
IEEE
We present a novel approach to 3D face recognition using compact face signatures based on automatically detected 3D landmarks. We represent the face geometry with inter-landmark d...
MFCS
2001
Springer
15 years 6 months ago
2001
Springer
We describe a class of simple transitive semiautomata that exhibit full exponential blow-up during deterministic simulation. For arbitrary semiautomata we show that it is PSPACE-c...