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JDCTA
2010
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13 years 6 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
IJNSEC
2010
98views more  IJNSEC 2010»
13 years 6 months ago
A Random Bit Generator Using Chaotic Maps
Chaotic systems have many interesting features such as sensitivity on initial condition and system parameter, ergodicity and mixing properties. In this paper, we exploit these int...
Narendra K. Pareek, Vinod Patidar, Krishan K. Sud
ICCV
2007
IEEE
15 years 1 months ago
Chaotic Invariants for Human Action Recognition
The paper introduces an action recognition framework that uses concepts from the theory of chaotic systems to model and analyze nonlinear dynamics of human actions. Trajectories o...
Saad Ali, Arslan Basharat, Mubarak Shah