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MFCS
2009
Springer
16 years 1 months ago
On Pebble Automata for Data Languages with Decidable Emptiness Problem
In this paper we study a subclass of pebble automata (PA) for data languages for which the emptiness problem is decidable. Namely, we show that the emptiness problem for weak 2-peb...
Tony Tan
152
Voted
ICPR
2008
IEEE
16 years 1 months ago
The projective equation of a circle and its application in camera calibration
In this article, we present the projective equation of a circle in a perspective view, which naturally encodes such important geometric entities as the projected circle center, th...
Yinqiang Zheng, Yuncai Liu
SIGGRAPH
2010
ACM
15 years 11 months ago
2.5D cartoon models
We present a way to bring cartoon objects and characters into the third dimension, by giving them the ability to rotate and be viewed from any angle. We show how 2D vector art dra...
Alec Rivers, Takeo Igarashi, Frédo Durand
CHI
1996
ACM
15 years 11 months ago
A Fisheye Text Editor for Relaxed-WYSIWIS Groupware
Participants in a real-time groupware conference require a sense of awareness about other people's interactions within a large shared workspace. Fisheye views can afford this...
Saul Greenberg
BIRTHDAY
1991
Springer
15 years 10 months ago
User Interface Development: Problems and Experiences
: In this paper, we present a software engineer's view of user-interface development. First, we illustrate the main problem areas responsible for difficulties in building high...
Hans-Werner Six, Josef Voss