Home | People | Research | Publications | Downloads & Demos | Links
The Video Retrieval Group (VIREO) at City University of Hong Kong is directed by Dr. Chong-Wah Ngo. Currently, our main research activities include:

    - Large Scale Multimedia Information Retrieval
    - Multimedia Data Mining
    - Video and Motion Computing
    - Lecture Video Analysis and Editing

What's New

2011-12-07

2nd prize in ACM Multimedia 2011 Grand Challenge

Congratulation to Eric Tan, Yu-Gang & Chong-Wah for winning the 2nd prize in multimedia grand challenge. See the paper, video and demo.
2011-07-25

ICMR 2012

ACM International Conference on Multimedia Retrieval (ICMR) will be held in Hong Kong during 5-8 June, 2012.
2011-07-25

Call for Papers (deadline: 29 June 2012)

IEEE Mutimedia Special Issue on Web-Scale Near-Duplicate Search: Techniques and Applications
2010-10-10

VIREO-WEB81 concept detectors, features and detection scores on NUS-WIDE dataset

We are pleased to release 81 semantic concept detectors trained on the NUS-WIDE training dataset, and their detection scores on NUS-WIDE testing dataset. Global and local features (BoW) are also available.
2009-10-08

Near-duplicate web video dataset (CC_WEB_VIDEO) is released

We are pleased to release the near-duplicate web video dataset CC_WEB_VIDEO, which appeared in our ACM MM'07 paper.
2009-09-15

PhD Fellowship Available

Candidates with background in multimedia, video/image, computer vision and machine learning are welcomed to apply the position before Nov-15-2009. Please send your CV, publication record, and transcripts to cwngo@cs.cityu.edu.hk.

Title

Requirement

Monthly Studentship

PhD student

Mphil/Master/Bachelor degree

HKD $20K (USD $2,600)

2009-09-15

Paper accepted to ACM Multimedia 2009

Congratulation to Yu-Gang Jiang and Hung-Khoon Tan for their accepted oral papers in ACM MM'09.
2009-08-12

VIREO-374 features and detection scores on TRECVID-09

The VIREO group is pleased to release the VIREO-374 detection scores on TRECVID-09 test set. Global and local features extracted from this data set are also available. Please drop by this link for download instructions.
2008-07-01

Paper accepted to ACM Multimedia 2008

Congratulations to the 4 papers accepted by ACM MM'08: F. Wang & Y. G. Jiang & C. W. Ngo (oral), X. Y. Wei & C. W. Ngo (oral), H. K. Tan & C. W. Ngo & X. Wu (2 short).
2007-07-01

Paper accepted to ACM Multimedia 2007

Congratulations to the 3 oral papers accepted by ACM MM'07: X. Wu & A. Hauptmann & C. W. Ngo (2); and X. Y. Wei & C. W. Ngo (1).
2006-12-10

Conference Organization

- IMAI 2007 website online: The fifth International Conference on Intelligent Multimedia and Ambient Intelligence (IMAI) will be held in Salt Lake City, Utah, USA during July 15-22, 2007.
- PCM 2007 website online: Pacific-Rim Conference on Multimedia (PCM) 2007 will be held in City University of Hong Kong during December 11-14, 2007.