102 search results - page 2 / 21 » An Image Authentication Scheme Based on Correlation |
MMSEC
2005
ACM
13 years 10 months ago
2005
ACM
Digital watermarking is a technology to hide information in digital media. We extend the digital watermarking technique Phasemark™, originally developed solely for image authent...
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
This paper presents an authentication scheme and an access control scheme for JPEG2000 image codestreams based on hash chains. Both schemes are fully compatible with the core part...
IJIT
2004
13 years 5 months ago
2004
In this paper we investigate the watermarking authentication when applied to medical imagery field. We first give an overview of watermarking technology by paying attention to frag...
ICIAR
2004
Springer
13 years 10 months ago
2004
Springer
In this paper, a new block-based image-dependent watermarking technique is proposed. The proposed technique utilizes the correlation coefficient statistic to produce a short and un...
ISCAS
2005
IEEE
13 years 10 months ago
2005
IEEE
—The pervasive distribution of digital images triggers an emergent need of authenticating degraded images by lossy compression and transmission. This paper proposes a robust cont...