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TCS
2011
14 years 10 months ago
Computational processes, observers and Turing incompleteness
We propose a formal definition of Wolfram’s notion of computational process based on iterated transducers together with a weak observer, a model of computation that captures so...
Klaus Sutner
PAMI
2007
186views more  PAMI 2007»
15 years 3 months ago
Value-Directed Human Behavior Analysis from Video Using Partially Observable Markov Decision Processes
—This paper presents a method for learning decision theoretic models of human behaviors from video data. Our system learns relationships between the movements of a person, the co...
Jesse Hoey, James J. Little
SIAMJO
2011
14 years 10 months ago
Recovering Low-Rank and Sparse Components of Matrices from Incomplete and Noisy Observations
Many applications arising in a variety of fields can be well illustrated by the task of recovering the low-rank and sparse components of a given matrix. Recently, it is discovered...
Min Tao, Xiaoming Yuan
222
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GIS
2008
ACM
16 years 4 months ago
Pedestrian flow prediction in extensive road networks using biased observational data
In this paper, we discuss an application of spatial data mining to predict pedestrian flow in extensive road networks using a large biased sample. Existing out-of-the-box techniqu...
Michael May, Simon Scheider, Roberto Rösler, ...
IMA
2005
Springer
85views Cryptology» more  IMA 2005»
15 years 9 months ago
The Physically Observable Security of Signature Schemes
In recent years much research has been devoted to producing formal models of security for cryptographic primitives and to designing schemes that can be proved secure in such models...
Alexander W. Dent, John Malone-Lee