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ISM
2006
IEEE
150views Multimedia» more  ISM 2006»
13 years 11 months ago
Blind Detection for Additive Embedding Using Underdetermined ICA
This paper presents an efficient blind watermark detection scheme for additive embedding (AE) based on underdetermined independent component analysis (ICA) framework. The propose...
Hafiz Malik, Ashfaq A. Khokhar, Rashid Ansari, Mar...
IWDW
2005
Springer
13 years 11 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
IDA
2009
Springer
14 years 2 hour ago
Audio Watermark Detection Using Undetermined ICA
This paper presents a audio watermark detection scheme using the undetermined independent analysis. The proposed detection scheme removes audio spectrum from the watermarked audio ...
Jongwon Seok, Hafiz Malik
PRL
2007
107views more  PRL 2007»
13 years 5 months ago
Robust SS watermarking with improved capacity
Robustness is a key attribute of spread spectrum (SS) watermarking scheme. It is significantly deteriorated if one tries to achieve high embedding rate keeping other parameters u...
Santi P. Maity, Malay K. Kundu, Tirtha S. Das
AMC
2007
134views more  AMC 2007»
13 years 5 months ago
An image fragile watermark scheme based on chaotic image pattern and pixel-pairs
Fragile watermarking techniques for digital content have been studied in the past few years. Fragile watermarks are used to determine if a piece of watermarked digital content has...
Shaohui Liu, Hongxun Yao, Wen Gao, Yongliang Liu