69 search results - page 3 / 14 » Algebraic visual cryptography scheme for color images |
TIP
2010
13 years 15 days ago
2010
- In this report, we investigate the application of Direction Adaptive-Partitioned Block Transform (DA-PBT) to color images and propose a basic framework for DA-PBT Color Image Cod...
ICIP
2002
IEEE
14 years 7 months ago
2002
IEEE
Color is one of the main visual cues and has been frequently used in image processing, analysis and retrieval. The extraction of highlevel color descriptors is an increasingly imp...
ACNS
2006
Springer
13 years 11 months ago
2006
Springer
The visual secret sharing (VSS for short) scheme is a secret image sharing scheme. A secret image is visually revealed from overlapping shadow images without additional computation...
ICIP
2002
IEEE
14 years 7 months ago
2002
IEEE
The two major problems raised by a region-based image retrieval system are the automatic definition and description of regions. In this paper we first present a technique of unsup...
PR
2002
13 years 5 months ago
2002
Search by Object Model -- finding an object inside a target image -- is a desirable and yet difficult mechanism for querying multimedia data. An added difficulty is that objects c...