474 search results - page 78 / 95 » Region-Based Watermarking for Images |
INFORMATICALT
2007
13 years 9 months ago
2007
This paper proposes a reversible data hiding method for error diffused halftone images. It employs statistics feature of pixel block patterns to embed data, and utilizes the HVS ch...
ICMCS
2005
IEEE
14 years 3 months ago
2005
IEEE
A common way of resisting protocol attacks is to employ cryptographic techniques so that provable security can be retained. However, some desired requirements of watermarking such...
ICPR
2010
IEEE
14 years 1 months ago
2010
IEEE
We present a region based active contour model which does not require any initialisation and is capable of modelling multi-modal image regions. Its external force is based on stat...
CAIP
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. This paper presents a new hybrid split-and-merge image segmentation method based on computational geometry and topology using persistent homology. The algorithm uses edge...
TIP
1998
13 years 9 months ago
1998
Accurate segmentation of images is one of the most important objectives in image analysis. The two conventional methods of image segmentation, region based segmentation and bounda...