152 search results - page 23 / 31 » Digital Image Watermarking: An Overview |
CLEF
2009
Springer
13 years 5 months ago
2009
Springer
The ImageCLEF Photo Retrieval Task 2009 focused on image retrieval and diversity. A new collection was utilised in this task consisting of approximately half a million images with...
ARCS
2006
Springer
13 years 11 months ago
2006
Springer
: We investigate image steganography under re-encoding of images. After a secret message or a digital watermark is embedded into a jpeg image, quite frequently the image is re-enco...
IH
1999
Springer
13 years 12 months ago
1999
Springer
Abstract. This paper presents two main results. The first is a new approach to steganography in which data is encoded in correlations among the pixels in an image. Almost all prev...
ICDAR
2009
IEEE
13 years 5 months ago
2009
IEEE
: This paper deals with the topic of the retrieval of document images focussed on a specific application : the ornaments of the Hand-Press period. It presents an overview as a resu...
JDCTA
2010
13 years 2 months ago
2010
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...