Optical Flow-Based Video Sketch Graph Extraction.
Qiyuan DuYiping DuanZhipeng XieXiaoming TaoRenxiao ZengZhijuan JinFei LiPublished in: GLOBECOM (Workshops) (2023)
Keyphrases
- optical flow
- video data
- moving camera
- motion features
- image sequences
- primal sketch
- video sequences
- graph representation
- graph model
- middle level
- video content
- video streams
- video frames
- least squares
- motion segmentation
- video analysis
- graph theory
- graph matching
- real time
- flow field
- motion model
- structured data
- optical flow estimation
- moving objects
- weighted graph
- computer vision
- motion field
- key frames
- random walk
- multimedia
- video clips
- dynamic scenes
- video surveillance
- connected components
- activity recognition
- video database
- video shots
- space time
- information extraction
- optical flow computation
- spatio temporal
- dense optical flow