170 search results - page 14 / 34 » A dual watermarking technique for images |
DICTA
2003
14 years 11 months ago
2003
Imperfect transmission of block-coded images often causes lost blocks. These blocks may contain very important information of image. In this paper a new error concealment scheme is...
SSWMC
2004
14 years 11 months ago
2004
In lossless watermarking, it is possible to completely remove the embedding distortion from the watermarked image and recover an exact copy of the original unwatermarked image. Lo...
IWDW
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. In image authentication watermarking, hidden data is inserted into an image to detect any accidental or malicious image alteration. In the literature, quite a small numbe...
SSWMC
2004
14 years 11 months ago
2004
While Digital Watermarking has received much attention in recent years, it is still a relatively young technology. There are few accepted tools/metrics that can be used to evaluat...
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MIS
1999
Springer
15 years 1 months ago
1999
Springer
A central task in multimedia systems is image management (storage and retrieval). As information is disseminated across vast networks, such as the Internet, methods of locating au...