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ICIP
2004
IEEE
15 years 11 months ago
Non-uniform quantizer design for image data hiding
Most quantizer based data hiding schemes use uniform quantizer, which is not optimal if the host signal is not uniformly distributed. In this paper, we design a quantizer that is ...
Ning Liu, Koduvayur P. Subbalakshmi
IEEEMSP
2002
IEEE
113views Multimedia» more  IEEEMSP 2002»
15 years 2 months ago
A minimum distortion data hiding technique for compressed images
We present a blind data hiding method for JPEG compressedimageswhichminimizesthe perceptualdistortion due to data embedding.The proposed systempresentsa number of op. tions to the ...
Cagatay Candan, Nikil Jayant
IJACTAICIT
2010
189views more  IJACTAICIT 2010»
14 years 7 months ago
An Improved Algorithm for Data Hiding Using HH-subband Haar Wavelet Coefficients
This paper presents an improved adaptive algorithm for enhanced data hiding under HH-subband Haar Wavelet coefficients of a gray scale host image. The algorithm uses an optimal se...
Stuti Bazaj, Sachin Modi, Anand Mohan, S. P. Singh
CORR
2006
Springer
120views Education» more  CORR 2006»
14 years 9 months ago
Watermarking Using Decimal Sequences
: This paper introduces the use of decimal sequences in a code division multiple access (CDMA) based watermarking system to hide information for authentication in black and white i...
Navneet Mandhani, Subhash Kak