Efficient frequency domain video scrambling for content access control.
Wenjun ZengShawmin LeiPublished in: ACM Multimedia (1) (1999)
Keyphrases
- access control
- frequency domain
- spatial domain
- fourier transform
- fine grained
- cross correlation
- multimedia
- data security
- dynamic access control
- security policies
- subband
- denoising
- feature extraction
- access control policies
- role based access control
- video data
- video content
- video sequences
- access control mechanism
- database security
- security model
- security mechanisms
- access control models
- transform domain
- multimedia data
- database systems
- computer vision