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ICC
2007
IEEE
14 years 4 months ago
Constrained Wavelet Tree Quantization for Image Watermarking
This paper investigates the operations of the wavelet tree based quantization and proposes a constrained wavelet tree quantization for image watermarking. The wavelet coefficients ...
Min-Jen Tsai, Chen-Long Lin
IWDW
2005
Springer
14 years 3 months ago
Security of DM Quantization Watermarking Schemes: A Practical Study for Digital Images
Abstract. In this paper, the security of Dither Modulation Quantization Index Modulation schemes for digital images is analyzed. Both pixel and DCT coefficient quantization schemes...
Patrick Bas, Jarmo Hurri
ICRA
2009
IEEE
122views Robotics» more  ICRA 2009»
14 years 4 months ago
Cooperative multi-robot localization under communication constraints
— This paper addresses the problem of cooperative localization (CL) under severe communication constraints. Specifically, we present minimum mean square error (MMSE) and maximum...
Nikolas Trawny, Stergios I. Roumeliotis, Georgios ...
ICIP
1998
IEEE
14 years 11 months ago
Open-Loop Design of Predictive Vector Quantizers for Video Coding
Kenneth Rose, Hosam Khalil, Shankar L. Regunathan