Multi-resolution based hybrid spatiotemporal compression of encrypted videos.
Qiuming YaoWenjun ZengWei LiuPublished in: ICASSP (2009)
Keyphrases
- multiresolution
- spatiotemporal features
- image compression
- space time
- video sequences
- video frames
- wavelet transform
- hierarchical representation
- spatial and temporal
- compression algorithm
- data compression
- spatio temporal
- dynamic textures
- video analysis
- coarse to fine
- hybrid learning
- moving objects
- compression ratio
- video data
- human actions
- video surveillance
- wavelet domain
- video clips
- human activities
- subband
- compression scheme
- video content
- video database
- wavelet coefficients
- video signals
- spatiotemporal patterns
- semantic video retrieval