Strategies for Searching Video Content with Text Queries or Video Examples

no code implementations • 17 Jun 2016 • Shoou-I Yu, Yi Yang, Zhongwen Xu, Shicheng Xu, Deyu Meng, Zexi Mao, Zhigang Ma, Ming Lin, Xuanchong Li, Huan Li, Zhenzhong Lan, Lu Jiang, Alexander G. Hauptmann, Chuang Gan, Xingzhong Du, Xiaojun Chang

The large number of user-generated videos uploaded on to the Internet everyday has led to many commercial video search engines, which mainly rely on text metadata for search.

Event Detection Retrieval +1

Long-Term Identity-Aware Multi-Person Tracking for Surveillance Video Summarization

no code implementations • 25 Apr 2016 • Shoou-I Yu, Yi Yang, Xuanchong Li, Alexander G. Hauptmann

Therefore, our tracker propagates identity information to frames without recognized faces by uncovering the appearance and spatial manifold formed by person detections.

Face Recognition Video Summarization

Long-short Term Motion Feature for Action Classification and Retrieval

no code implementations • 13 Feb 2015 • Zhenzhong Lan, Xuanchong Li, Ming Lin, Alexander G. Hauptmann

Therefore, they need to occur frequently enough in the videos and to be be able to tell the difference among different types of motions.

Action Classification Classification +3

Beyond Gaussian Pyramid: Multi-skip Feature Stacking for Action Recognition

no code implementations • CVPR 2015 • Zhenzhong Lan, Ming Lin, Xuanchong Li, Alexander G. Hauptmann, Bhiksha Raj

MIFS compensates for information lost from using differential operators by recapturing information at coarse scales.

Action Recognition Event Detection +1

Temporal Extension of Scale Pyramid and Spatial Pyramid Matching for Action Recognition

no code implementations • 29 Aug 2014 • Zhenzhong Lan, Xuanchong Li, Alexandar G. Hauptmann

To achieve temporal scale invariance, we develop a method called temporal scale pyramid (TSP).

Action Recognition Temporal Action Localization