VISIBLE: Video-Assisted Keystroke Inference from Tablet Backside Motion.
Jingchao SunXiaocong JinYimin ChenJinxue ZhangYanchao ZhangRui ZhangPublished in: NDSS (2016)
Keyphrases
- space time
- key frames
- video sequences
- motion features
- spatial and temporal
- object motion
- moving camera
- temporal filtering
- input video
- shot change detection
- successive frames
- visual cues
- low frame rate
- static images
- video content
- motion estimation
- video streams
- image sequences
- video representation
- periodic motion
- motion analysis
- dynamic scenes
- camera motion
- multimedia
- irregularly spaced
- video footage
- temporal coherence
- optical flow
- video data
- visual data
- dynamic textures
- surveillance videos
- temporal consistency
- human motion
- video frames
- temporal continuity
- temporal domain
- video objects
- video summarization
- moving objects
- single frame
- action recognition
- motion model
- motion capture data
- video signals
- motion parameters
- spatio temporal
- motion capture
- motion detection
- motion patterns
- reference frame
- camera movement
- motion trajectories
- motion field
- video scene
- visual features
- face recognition
- background subtraction
- video shots
- bayesian networks
- motion segmentation
- activity recognition