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自动化研究所 [4]
长春光学精密机械与物... [1]
沈阳自动化研究所 [1]
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OAI收割 [6]
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期刊论文 [3]
学位论文 [2]
会议论文 [1]
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Semantic Feature Mining for Video Event Understanding
期刊论文
OAI收割
ACM TRANSACTIONS ON MULTIMEDIA COMPUTING COMMUNICATIONS AND APPLICATIONS, 2016, 卷号: 12, 期号: 4, 页码: 55:1-55:22
作者:
Yang, Xiaoshan
;
Zhang, Tianzhu
;
Xu, Changsheng
  |  
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2016/12/26
Video Recognition
Event
Automatic Visual Concept Learning for Social Event Understanding
期刊论文
OAI收割
IEEE TRANSACTIONS ON MULTIMEDIA, 2015, 卷号: 17, 期号: 3, 页码: 346-358
作者:
Yang, Xiaoshan
;
Zhang, Tianzhu
;
Xu, Changsheng
;
Hossain, M. Shamim
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2015/09/21
Event analysis
video recognition
Video Anomaly Search in Crowded Scenes via Spatio-Temporal Motion Context
期刊论文
OAI收割
IEEE Transactions on Information Forensics and Security, 2013, 卷号: 8, 期号: 10, 页码: 1590-1599
作者:
收藏
  |  
浏览/下载:59/0
  |  
提交时间:2013/10/05
Abnormal event detection
compact projection
event recognition
motion
video analysis
video surveillance
Approach for detecting crowd panic behavior based on fluid kinematic features and entropy (EI CONFERENCE)
会议论文
OAI收割
International Workshop on Advanced Computational Intelligence and Intelligent Informatics, IWACIII 2011, November 19, 2011 - November 23, 2011, Suzhou, China
作者:
Li Y.
;
Li Y.
;
Li Y.
;
Zhang X.
;
Zhang X.
收藏
  |  
浏览/下载:29/0
  |  
提交时间:2013/03/25
Crowd panic behavior detection is an important task in video analysis and event recognition
whose purpose is to detect when the panic behavior happened and alarming the abnormal event timely. In this paper
the crowd is regard as a fluid
and the crowd motion is described by four fluid kinematic features (divergence
vorticity
gradient tensor invariant and rotation tensor invariant). To discriminate the panic event from normal crowd behavior
an information entropy is calculated as a high level feature based on the fluid kinematic features. Experimental results show that the entropy raised dramatically once a panic event happened.
视频运动分析与事件识别
学位论文
OAI收割
工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2010
作者:
李莉
收藏
  |  
浏览/下载:128/0
  |  
提交时间:2015/09/02
视频结构分析
镜头检测
关键帧提取
视频事件识别
镜头分类
特征融合
主导集聚类复发
注意机制
兴趣点
时空兴趣点
video structure analysis
shot detection
key frame extraction
video event recognition
shot classification
feature fusion
dominant set clustering algorithm
attention machanism
keypoints
spatio-temporal interest points
基于扩展随机文法的视频语义事件识别
学位论文
OAI收割
工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2008
作者:
张彰
收藏
  |  
浏览/下载:37/0
  |  
提交时间:2015/09/02
视频语义事件识别
轨迹分析
规则归纳
文法分析
semantic event recognition in video
trajectory analysis
grammar rule induction
grammar parsing