Crowd Event Detection in Surveillance Video - An Approach based on Optical Flow High-frequency Feature Analysis

2015 ◽  
Author(s):  
Ana Paula G. S. de Almeida ◽  
Vitor de Azevedo Faria ◽  
Flavio de Barros Vidal
Keyword(s):  
Optical Flow ◽  
Event Detection ◽  
High Frequency ◽  
Feature Analysis ◽  
Surveillance Video ◽  
Frequency Feature

Two-stream deep spatial-temporal auto-encoder for surveillance video abnormal event detection

2021 ◽  
Vol 439 ◽  
pp. 256-270
Author(s):  
Tong Li ◽  
Xinyue Chen ◽  
Fushun Zhu ◽  
Zhengyu Zhang ◽  
Hua Yan
Keyword(s):  
Event Detection ◽  
Surveillance Video ◽  
Abnormal Event Detection

Time-frequency feature analysis and recognition of fission neutrons signal based on support vector machine

2010 ◽  
Vol 22 (10) ◽  
pp. 2441-2447
Author(s):  
金晶 Jin Jing ◽  
魏彪 Wei Biao ◽  
冯鹏 Feng Peng ◽  
唐跃林 Tang Yuelin ◽  
周密 Zhou Mi
Keyword(s):  
Support Vector Machine ◽  
Feature Analysis ◽  
Support Vector ◽  
Time Frequency ◽  
Fission Neutrons ◽  
Frequency Feature

Unsupervised Learning Approach for Abnormal Event Detection in Surveillance Video by Hybrid Autoencoder

2019 ◽  
Vol 52 (2) ◽  
pp. 961-975 ◽  
Author(s):  
Fuqiang Zhou ◽  
Lin Wang ◽  
Zuoxin Li ◽  
Wangxia Zuo ◽  
Haishu Tan
Keyword(s):  
Unsupervised Learning ◽  
Event Detection ◽  
Learning Approach ◽  
Surveillance Video ◽  
Abnormal Event Detection

Crowd Event Detection on Optical Flow Manifolds

2016 ◽  
Vol 46 (7) ◽  
pp. 1524-1537 ◽  
Author(s):  
Aravinda S. Rao ◽  
Jayavardhana Gubbi ◽  
Slaven Marusic ◽  
Marimuthu Palaniswami
Keyword(s):  
Optical Flow ◽  
Event Detection
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