A Self-Adaptive Video Dual Watermarking Based on the Motion Characteristic and Geometric Invariant for Ubiquitous Multimedia.
Zhi LiLing-Feng LiuChuan-Xian JiangPublished in: SmartCity (2015)
Keyphrases
- multimedia
- video data
- space time
- multimedia data
- video on demand systems
- digital video
- projective geometry
- audio video
- multimedia content
- visual data
- temporal filtering
- video sequences
- multimedia objects
- key frames
- moving camera
- object motion
- input video
- multimedia information
- spatial and temporal
- image sequences
- motion analysis
- low frame rate
- optical flow
- motion estimation
- geometric algebra
- motion features
- copyright protection
- video browsing
- motion trajectories
- multimedia documents
- dynamic scenes
- geometric structure
- static images
- geometric transformations
- video files
- motion model
- camera motion
- dynamic textures
- online video
- successive frames
- digital images
- motion patterns
- multimedia databases
- human motion
- video content
- video streams
- layered representation
- temporal continuity
- video watermarking
- metadata
- video summarization
- visual cues
- watermarking scheme
- affine transformation
- moving objects
- motion capture data
- video scene
- watermarking algorithm
- motion segmentation
- video frames
- computer vision
- fragile watermarking