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ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper we present two results on reducing the peak power of orthogonal frequency division multiplexing (OFDM) symbols via constellation extension (CE). The first result is...
AIEDU
2007
13 years 7 months ago
2007
This paper presents two new corpus-based studies of feedback in the domain of teaching Spanish as a foreign language, concentrating on the type and frequency of different feedback ...
AAAI
2010
13 years 9 months ago
2010
The selection of the action to do next is one of the central problems faced by autonomous agents. In AI, three approaches have been used to address this problem: the programming-b...
IJRR
2002
13 years 7 months ago
2002
This paper investigates safe and efficient map-building strategies for a mobile robot with imperfect control and sensing. In the implementation, a robot equipped with a range sens...
CHI
2003
ACM
14 years 8 months ago
2003
ACM
GAZE-2 is a novel group video conferencing system that uses eye-controlled camera direction to ensure parallaxfree transmission of eye contact. To convey eye contact, GAZE-2 emplo...