Sciweavers

MM
2004
ACM
97views Multimedia» more  MM 2004»
14 years 5 months ago
Security of human video objects by incorporating a chaos-based feedback cryptographic scheme
Security of multimedia files attracts more and more attention and many encryption methods have been proposed in literature. However most cryptographic systems deal with multimedia...
Paraskevi K. Tzouveli, Klimis S. Ntalianis, Stefan...
ICMCS
2006
IEEE
145views Multimedia» more  ICMCS 2006»
14 years 5 months ago
Confronting the Synchronization Problem of Semantic Region Under Geometric Attacks
In this paper, an affine invariant watermarking scheme, robust to geometric attacks, is proposed and applied to face regions. Initially, face regions are unsupervisedly extracted ...
Paraskevi K. Tzouveli, Klimis S. Ntalianis, Stefan...
ICPR
2008
IEEE
14 years 6 months ago
Bayesian sequential face detection with automatic re-initialization
This paper proposes a probabilistic search algorithm to boost the computational efficiency of face detection in video sequences. The algorithm sequentially predicts the probabili...
Atsushi Matsui, Simon Clippingdale, Takashi Matsum...
ICIP
2000
IEEE
15 years 1 months ago
Low-Complexity Face-Assisted Video Coding
This paper presents a novel face-assisted video coding scheme to enhance the visual quality of the face regions in video telephony applications. A skin-color based face detection ...
Chia-Wen Lin, Yao-Jen Chang, Yung-Chang Chen