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APAL
2007
78views more  APAL 2007»
15 years 3 months ago
Partial Horn logic and cartesian categories
A logic is developed in which function symbols are allowed to represent partial functions. It has the usual rules of logic (in the form of a sequent calculus) except that the subs...
Erik Palmgren, Steven J. Vickers
143
Voted
CVPR
2011
IEEE
14 years 11 months ago
A Theory of Multi-perspective Defocusing
We present a novel theory for characterizing defocus blurs in multi-perspective cameras such as catadioptric mirrors. Our approach studies how multi-perspective ray geometry trans...
Yuanyuan Ding, Jingyi Yu
NCA
2007
IEEE
15 years 2 months ago
Handling of incomplete data sets using ICA and SOM in data mining
Based on independent component analysis (ICA) and self-organizing maps (SOM), this paper proposes an ISOM-DH model for the incomplete data’s handling in data mining. Under these ...
Hongyi Peng, Siming Zhu
APAL
1999
68views more  APAL 1999»
15 years 2 months ago
Toward Categoricity for Classes with no Maximal Models
We provide here the first steps toward a Classification Theory of Elementary Classes with no maximal models, plus some mild set theoretical assumptions, when the class is categori...
Saharon Shelah, Andrés Villaveces
CAD
2007
Springer
15 years 3 months ago
A formal theory for estimating defeaturing-induced engineering analysis errors
Defeaturing is a popular CAD/ CAE simplification technique where ‘small or irrelevant features’ are suppressed within a CAD model for speeding-up downstream processes, especia...
Sankara Hari Gopalakrishnan, Krishnan Suresh