Orientation histogram of SIFT displacement for recognizing actions in broadcast videos.
Kuan-Ting LaiMing-Syan ChenChaur-Heh HsiehMao-Fu LaiPublished in: EUVIP (2011)
Keyphrases
- recognizing actions
- orientation histogram
- action recognition
- activity recognition
- human actions
- feature vectors
- keypoints
- robust tracking
- optical flow
- human activities
- image features
- machine learning
- image patches
- object recognition
- signal processing
- image classification
- space time
- video frames
- spatio temporal
- sift features
- video sequences