Detecting Abnormality without Knowing Normality: A Two-stage Approach for Unsupervised Video Abnormal Event Detection.
Siqi WangYijie ZengQiang LiuChengzhang ZhuEn ZhuJianping YinPublished in: ACM Multimedia (2018)
Keyphrases
- abnormal event detection
- abnormal events
- video data
- video sequences
- unsupervised manner
- video content
- supervised learning
- multimedia
- video frames
- semi supervised
- video database
- unsupervised learning
- video streams
- real time
- multimedia data
- spatial and temporal
- dynamic scenes
- daily life
- neural network
- video clips
- data driven
- video analysis
- decision support system
- supervised classification
- video segmentation
- video processing
- video summarization
- spatio temporal
- machine learning