What are Popular: Exploring Twitter Features for Event Detection, Tracking and Visualization.

Hongyun Cai Yang Yang Xuefei Li Zi Huang

Published in: ACM Multimedia (2015)

Keyphrases

event detection
video surveillance
surveillance videos
event recognition
activity recognition
video event detection
low level
video analysis
feature space
feature vectors
image features
social media
mid level
social networks
co occurrence
mean shift
sports video
machine learning