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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

2014-11-11

Best Poster Award in the ACM Multimedia 2014

Congratulation to Jiajun Wang, Yu-Gang Jiang, Qiang Wang, Kuiyuan Yang and Chong-Wah Ngo for winning the Best Poster award in the ACM Multimedia, 2014. See the paper.
2014-11-11

Third Place Winner in 2014 MSR-Bing Image Retrieval Challenge

Congratulation to Yingwei Pan, Ting Yao, Xinmei Tian, Houqiang Li and Chong-Wah Ngo for winning the 3rd place winner in 2014 MSR-Bing Image Retrieval Challenge, 2014. See the paper.
2014-08-15

2 PhD Positions Available

Candidates with background in multimedia, machine learning or natural language processing are welcomed to apply the positions by 15-Nov-2014. Candidates with excellent academic results will be recommended for Hong Kong PhD Fellowship program. Please email your CV, publication record, and transcripts to Zhang Wei wzhang34-c@my.cityu.edu.hk .

Title

Requirement

Monthly Studentship

PhD student x 2

Mphil/Master/Bachelor degree

around USD $2K to $2.6K

2014-02-11

PCM 2014

Pacific-Rim Conference on Multimedia (PCM) 2014 will be held in Kuching, Sarawak, Malaysia during 2-4 Dec, 2014
2013-11-19

Best Demo Award in the 10th ACM-HK Student Research and Career Day

Congratulation to W. Zhang, L. Pang and C. W. Ngo for winning the best demo award in the 10th ACM-HK Student Research and Career Day, 2013. See the paper, video.
2013-10-07

Fifth Place Winner in 2013 MSR-Bing Image Retrieval Challenge

Congratulation to Yingwei Pan, Ting Yao, Houqiang Li and Chong-Wah Ngo for winning the fifth place winner in 2013 MSR-Bing Image Retrieval Challenge, 2013. See the paper.
2013-08-22

Best Paper Award in ICIMCS 2013

Congratulation to X. P. Yang, Y. D. Zhang, T. Yao, Z.-J. Zha and C. W. Ngo for winning the best paper award in ICIMCS, 2013. See the paper.
2013-03-01

Research Assistant Recruitment

VIREO has two positions for short-term research assistant. Candidates with background in multimedia computing, video/image search, and machine learning are welcomed to apply the positions before April-30-2013. Please send your CV, publication record, and transcripts to cwngo@cs.cityu.edu.hk.
2013-01-23

MQA dataset for Instance Search

We are pleased to release our Instance Search dataset for MQA (Multimodal Question Answering), which was used in our ACM Multimedia'12 paper. The images, local features and corresponding metadata are available for download.
2012-09-01

PhD Student Recruitment

VIREO is planning to recruit two PhD students. Candidates with background in multimedia computing, video/image processing, computer vision or machine learning are welcomed to apply the position before Nov-15-2012. A monthly scholarship of HKD $14K (standard package) or HKD $20K (for outstanding candidates) will be provided. Please send your CV, publication record, and transcripts to cwngo@cs.cityu.edu.hk.
2012-07-23

VIREO-VH version 1.0

Open source for video hyperlinking, partial near-duplicate search, galaxy-based browsing is ready for download. The package includes source codes, binary files, API, and development tools.
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 (extended deadline: 01 August 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.