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JDCTA
2010
113views more  JDCTA 2010»
13 years 3 months ago
A Watermarking Algorithm Based on Block Energy Analysis of Wavelet Transform's Coefficients and Lorenz Chaotic Attractor
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...
Xuelong Hu, Wei Tian, Yongai Zheng
CVPR
2011
IEEE
13 years 26 days ago
Probabilistic Gaze Estimation Without Active Personal Calibration
Existing eye gaze tracking systems typically require an explicit personal calibration process in order to estimate certain person-specific eye parameters. For natural human compu...
Jixu Chen, Qiang Ji
MOBISYS
2005
ACM
14 years 8 months ago
Energy efficiency of handheld computer interfaces: limits, characterization and practice
Energy efficiency has become a critical issue for battery-driven computers. Significant work has been devoted to improving it through better software and hardware. However, the hu...
Lin Zhong, Niraj K. Jha
IJRR
2007
117views more  IJRR 2007»
13 years 9 months ago
Wave Haptics: Building Stiff Controllers from the Natural Motor Dynamics
— Haptics, like the fields of robotics and motion control, relies on high stiffness position control of electric motors. Traditionally DC motors are driven by current amplifier...
Nicola Diolaiti, Günter Niemeyer, Neal A. Tan...
MICCAI
2009
Springer
14 years 10 months ago
Toward Video-Based Navigation for Endoscopic Endonasal Skull Base Surgery
Abstract. Endoscopic endonasal skull base surgery (ESBS) requires high accuracy to ensure safe navigation of the critical anatomy at the anterior skull base. Current navigation sys...
Daniel Mirota, Hanzi Wang, Russell H. Taylor, M...