22 search results - page 4 / 5 » Selective Encryption for Hierarchical MPEG |
ACNS
2007
Springer
13 years 11 months ago
2007
Springer
We present two transforms to acquire chosen ciphertext security from tag based techniques. The first one requires the separability of underlying primitives. By separability, info...
JUCS
2007
13 years 5 months ago
2007
At Eurocrypt 2005, Boneh, Boyen and Goh presented a constant size ciphertext hierarchical identity based encryption (HIBE) protocol. Our main contribution is to present a variant ...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
This paper presents a novel approach to the multiresolution analysis and scalability in video indexing and retrieval. A scalable algorithm for video parsing and key-frame extracti...
SAMT
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. This paper presents an approach on high-level feature detection using a region thesaurus. MPEG-7 features are locally extracted from segmented regions and for a large set...
ITIIS
2010
13 years 3 days ago
2010
Anonymous hierarchical identity based encryption (HIBE) is an extension of identity based encryption (IBE) that can use an arbitrary string like an e-mail address for a public key...