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HYBRID
2009
Springer
14 years 5 months ago
Periodically Controlled Hybrid Systems
Abstract. This paper introduces Periodically Controlled Hybrid Automata (PCHA) for describing a class of hybrid control systems. In a PCHA, control actions occur roughly periodical...
Tichakorn Wongpiromsarn, Sayan Mitra, Richard M. M...
ICDAR
2009
IEEE
14 years 5 months ago
Segmentation-free Word Spotting in Historical Printed Documents
In this paper, a new efficient word spotting methodology is presented that can be applied to historical printed documents without requiring any previous block or word segmentation...
Basilios Gatos, Ioannis Pratikakis
CDC
2008
IEEE
124views Control Systems» more  CDC 2008»
14 years 5 months ago
A passive 2DOF walker: Finding gait cycles using virtual holonomic constraints
— A planar compass-like biped on a shallow slope is the simplest model of a passive walker. It is a two-degrees-offreedom impulsive mechanical system known to possess periodic so...
Leonid B. Freidovich, Uwe Mettin, Anton S. Shiriae...
ICASSP
2008
IEEE
14 years 5 months ago
Air-coupled ultrasound time-of-flight estimation for shipping container cargo verification
The falling cost of embedded sensor systems has opened up the possibility of in-transit air-coupled ultrasound interior imaging of shipping container cargo. This new technology co...
Patrick McVittie, Les E. Atlas
ICPR
2008
IEEE
14 years 5 months ago
Scale-invariant density-based clustering initialization algorithm and its application
In this paper, we bring out a new density-based clustering initialization algorithm which is invariant to the scale factor. Instead of using the scale factor while the cluster ini...
Chunsheng Hua, Ryusuke Sagawa, Yasushi Yagi