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ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
A lightweight encryption technique for JPEG2000 with optional support for transparent encryption is proposed. Randomized anisotropic wavelet packet bases are used to construct a s...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
In a previous work, we proposed a new family of nonredundant geometrical image transforms using Hybrid Wavelets and Directional filter banks (HWD). In this paper we further develo...
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
Using the concepts of two-dimensional Hilbert transform and analytic signal, we construct a new quaternion wavelet transform (QWT). The QWT forms a tight frame and can be efficien...
VRML
2005
ACM
14 years 1 months ago
2005
ACM
Web-based geometry transmission profits from a transmission system, which is both progressive and compressive. For this application, the wavelet transform has emerged as a suitab...
CGF
2000
13 years 7 months ago
2000
Recently, there has been considerable interest in the representation of radiance in terms of wavelet basis functions. We will present a coordinate system called Nusselt coordinate...