474 search results - page 72 / 95 » Region-Based Watermarking for Images |
ICIP
2006
IEEE
14 years 11 months ago
2006
IEEE
The substitution of physical bank check exchange by electronic check image transfer brings agility, security and cost reduction to the clearing system. In this paper, we propose a...
ICIP
2000
IEEE
14 years 11 months ago
2000
IEEE
Among the many techniques available for informationconcealment, those based on spread spectrummodulationshave proven to yield improved results when robustness against attack is at...
ICIP
2005
IEEE
14 years 3 months ago
2005
IEEE
This paper examines the role of attacker’s memory in Quantization Index Modulation (QIM) watermarking systems. First we derive the attacker’s noise distribution that maximizes...
ICPR
2008
IEEE
14 years 4 months ago
2008
IEEE
This paper deals about text extraction from heterogeneous documents for categorizing documents and indexing tasks. The purpose of this work is to find similar text regions basing ...
PCM
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. In this paper, we propose an image moment-based geometric normalization to be applied before embedding and extracting a digital watermark in the DWT-domain of JPEG2000. A...