Title
Automatic Videoconference Objects Watermarking Using Object Adapted Qualified Significant Wavelet Trees
Abstract
In this paper, a fully automatic scheme for hiding digital watermarks into videoconference objects is proposed. Initially, a face and body detection module is implemented in order to provide an initial estimation of the foreground object. Next, each foreground object is decomposed using the Shape Adaptive Discrete Wavelet Transform (SA-DWT). Afterwards Object Adapted Qualified Significant Wavelet Trees (OA-QSWTs) are estimated for a pair of subbands, provided by the SA-DWT. Finally visually recognizable watermark patterns are redundantly embedded to the coefficients of the highest energy OA-QSWTs and the invert SA-DWT is applied to provide the watermarked videoconference object. Watermarked objects undergo various signal distortions and experimental results exhibit the efficiency and robustness of the proposed scheme.
Year
DOI
Venue
2003
10.1007/978-3-540-39798-4_21
LECTURE NOTES IN COMPUTER SCIENCE
Keywords
Field
DocType
digital watermark,discrete wavelet transform
Steganography,Computer vision,Digital watermarking,Computer science,Robustness (computer science),Watermark,Discrete wavelet transform,Artificial intelligence,Discrete time and continuous time,Videoconferencing,Wavelet
Conference
Volume
ISSN
Citations 
2849
0302-9743
1
PageRank 
References 
Authors
0.46
8
3
Name
Order
Citations
PageRank
Paraskevi K. Tzouveli1345.15
Klimis S. Ntalianis26615.74
Stefanos Kollias32268229.16