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IMAGING
2000
14 years 7 days ago
Sharpness Rules
A large-scale psychophysical experiment was performed examining the effects of various simultaneous variations of image parameters on perceived image sharpness. The goal of this e...
Garrett M. Johnson, Mark D. Fairchild
CVGIP
2002
104views more  CVGIP 2002»
13 years 10 months ago
Sharp Features on Multiresolution Subdivision Surfaces
In this paper we describe a method for creating sharp features and trim regions on multiresolution subdivision surfaces along a set of user-defined curves. Operations such as engr...
Henning Biermann, Ioana M. Martin, Denis Zorin, Fa...
CORR
2008
Springer
76views Education» more  CORR 2008»
13 years 11 months ago
An Efficient Algorithm for a Sharp Approximation of Universally Quantified Inequalities
This paper introduces a new algorithm for solving a subclass of quantified constraint satisfaction problems (QCSP) where existential quantifiers precede universally quantified ine...
Alexandre Goldsztejn, Claude Michel, Michel Rueher
CHI
2004
ACM
14 years 11 months ago
Sharp or smooth?: comparing the effects of quantization vs. frame rate for streamed video
We introduce a new methodology to evaluate the perceived quality of video with variable physical quality. The methodology is then used to assess an existing guideline that high fr...
John D. McCarthy, Martina Angela Sasse, Dimitrios ...
AML
2007
95views more  AML 2007»
13 years 11 months ago
Complexity of admissible rules
We investigate the computational complexity of deciding whether a given inference rule is admissible for some modal and superintuitionistic logics. We state a broad condition unde...
Emil Jerábek