2013

• Learning Person-specific Models for Facial Expression and Action Unit Recognition
  Jixu Chen, Xiaoming Liu, Peter Tu, Amy Aragones
  Pattern Recognition Letters, Vol. 34, No. 15, pp.1964-1970, , Nov. 2013
  Bibtex | PDF
@article{ learning-person-specific-models-for-facial-expression-and-action-unit-recognition,
  author = { Jixu Chen and Xiaoming Liu and Peter Tu and Amy Aragones },
  title = { Learning Person-specific Models for Facial Expression and Action Unit Recognition },
  journal = { Pattern Recognition Letters },
  volume = { 34 },
  number = { 15 },
  month = { November },
  year = { 2013 },
  pages = { 1964--1970 },
}

2012

• Semi-supervised Facial Landmark Annotation
  Yan Tong, Xiaoming Liu, Frederick Wheeler, Peter Tu
  Computer Vision and Image Understanding, Vol. 116, No. 8, pp.922-935, , Aug. 2012
  Bibtex | PDF
@article{ semi-supervised-facial-landmark-annotation,
  author = { Yan Tong and Xiaoming Liu and Frederick Wheeler and Peter Tu },
  title = { Semi-supervised Facial Landmark Annotation },
  journal = { Computer Vision and Image Understanding },
  volume = { 116 },
  number = { 8 },
  month = { August },
  year = { 2012 },
  pages = { 922--935 },
}
• Person-specific Expression Recognition with Transfer Learning
  Jixu Chen, Xiaoming Liu, Peter Tu, Amy Aragones
  Proc. IEEE Conference on Image Processing (ICIP 2012), Florida, USA, Sep. 2012
  Bibtex | PDF
@inproceedings{ person-specific-expression-recognition-with-transfer-learning,
  author = { Jixu Chen and Xiaoming Liu and Peter Tu and Amy Aragones },
  title = { Person-specific Expression Recognition with Transfer Learning },
  booktitle = { Proc. IEEE Conference on Image Processing },
  address = { Florida, USA },
  month = { September },
  year = { 2012 },
}

2011

• Face Recognition at a Distance
  Frederick Wheeler, Xiaoming Liu, Peter Tu
  Handbook of Face Recognition, Stan Z. Li, Anil Jain, Eds., Springer-Verlag, 2011
  Bibtex
@incollection{ face-recognition-at-a-distance,
  author = { Frederick Wheeler and Xiaoming Liu and Peter Tu },
  title = { Face Recognition at a Distance },
  in book chapter of = { Handbook of Face Recognition },
  publisher = { Springer-Verlag },
  editor = { Stan Z. Li, Anil Jain },
  year = { 2011 },
  pages = { 353--381 },
}
• Video Analytics for Force Protection
  Peter Tu, Glen Brooksby, Gianfranco Doretto, Donald Hamilton, Nils Krahnstoever, J. Brandon Laflen, Xiaoming Liu, Kedar Patwardhan, Thomas Sebastian, Yan Tong, Jilin Tu, Frederick Wheeler, Christopher Wynnyk, Yi Yao, Ting Yu
  Distributed Video Sensor Networks, B. Bhanu, C.V. Ravishankar, A.K. Roy-Chowdhury, H. Aghajan, D. Terzopoulos, Eds., Springer-Verlag, 2011
  Bibtex
@incollection{ video-analytics-for-force-protection,
  author = { Peter Tu and Glen Brooksby and Gianfranco Doretto and Donald Hamilton and Nils Krahnstoever and J. Brandon Laflen and Xiaoming Liu and Kedar Patwardhan and Thomas Sebastian and Yan Tong and Jilin Tu and Frederick Wheeler and Christopher Wynnyk and Yi Yao and Ting Yu },
  title = { Video Analytics for Force Protection },
  in book chapter of = { Distributed Video Sensor Networks },
  publisher = { Springer-Verlag },
  editor = { B. Bhanu, C.V. Ravishankar, A.K. Roy-Chowdhury, H. Aghajan, D. Terzopoulos },
  year = { 2011 },
  pages = { 405--425 },
}
• Automatic Surveillance Video Matting Using a Shape Prior
  Ting Yu, Xiaoming Liu, Ser-Nam Lim, Nils Krahnstoever, Peter Tu
  Proc. 11th IEEE Workshop on Visual Surveillance (ICCV 2011), Barcelona, Spain, Sep. 2011
  Bibtex | PDF
@inproceedings{ automatic-surveillance-video-matting-using-a-shape-prior,
  author = { Ting Yu and Xiaoming Liu and Ser-Nam Lim and Nils Krahnstoever and Peter Tu },
  title = { Automatic Surveillance Video Matting Using a Shape Prior },
  booktitle = { Proc. 11th IEEE Workshop on Visual Surveillance },
  address = { Barcelona, Spain },
  month = { September },
  year = { 2011 },
}
• LPSM: Fitting Shape Model by Linear Programming
  Jilin Tu, Brandon Laflen, Xiaoming Liu, Musodiq Bello, Jens Rittscher, Peter Tu
  Proc. Automatic Face and Gesture Recognition (FG 2011), Santa Barbara, California, Mar. 2011
  Bibtex | PDF
@inproceedings{ lpsm-fitting-shape-model-by-linear-programming,
  author = { Jilin Tu and Brandon Laflen and Xiaoming Liu and Musodiq Bello and Jens Rittscher and Peter Tu },
  title = { LPSM: Fitting Shape Model by Linear Programming },
  booktitle = { Proc. Automatic Face and Gesture Recognition },
  address = { Santa Barbara, California },
  month = { March },
  year = { 2011 },
}

2010

• Facial Contour Labeling via Congealing
  Xiaoming Liu, Yan Tong, Frederick W. Wheeler, Peter Tu
  Proc. European Conference on Computer Vision (ECCV 2010), Hersonissos, Heraklion, Crete, Greece, Sep. 2010
  Bibtex | PDF
@inproceedings{ facial-contour-labeling-via-congealing,
  author = { Xiaoming Liu and Yan Tong and Frederick W. Wheeler and Peter Tu },
  title = { Facial Contour Labeling via Congealing },
  booktitle = { Proc. European Conference on Computer Vision },
  address = { Hersonissos, Heraklion, Crete, Greece },
  month = { September },
  year = { 2010 },
}
• Site-adaptation methods for face recognition
  Jilin Tu, Xiaoming Liu, Peter Tu
  Proc. 4th IEEE Biometrics: Theory, Applications and Systems (BTAS 2010), Arlington, Virginia, Sep. 2010
  Bibtex | PDF
@inproceedings{ site-adaptation-methods-for-face-recognition,
  author = { Jilin Tu and Xiaoming Liu and Peter Tu },
  title = { Site-adaptation methods for face recognition },
  booktitle = { Proc. 4th IEEE Biometrics: Theory, Applications and Systems },
  address = { Arlington, Virginia },
  month = { September },
  year = { 2010 },
}

2009

• On Optimizing Subspaces for Face Recognition
  Jilin Tu, Xiaoming Liu, Peter Tu
  Proc. International Conference on Computer Vision (ICCV 2009), Kyoto, Japan, Sep. 2009
  Bibtex | PDF
@inproceedings{ on-optimizing-subspaces-for-face-recognition,
  author = { Jilin Tu and Xiaoming Liu and Peter Tu },
  title = { On Optimizing Subspaces for Face Recognition },
  booktitle = { Proc. International Conference on Computer Vision },
  address = { Kyoto, Japan },
  month = { September },
  year = { 2009 },
}
• Automatic Facial Landmark Labeling with Minimal Supervision
  Yan Tong, Xiaoming Liu, Frederick W. Wheeler, Peter Tu
  Proc. IEEE Computer Vision and Pattern Recognition (CVPR 2009), Miami Beach, Florida, Jun. 2009
  Bibtex | PDF
@inproceedings{ automatic-facial-landmark-labeling-with-minimal-supervision,
  author = { Yan Tong and Xiaoming Liu and Frederick W. Wheeler and Peter Tu },
  title = { Automatic Facial Landmark Labeling with Minimal Supervision },
  booktitle = { Proc. IEEE Computer Vision and Pattern Recognition },
  address = { Miami Beach, Florida },
  month = { June },
  year = { 2009 },
}

2008

• Boosted Deformable Model for Human Body Alignment
  Xiaoming Liu, Ting Yu, Thomas Sebastian, Peter Tu
  Proc. IEEE Computer Vision and Pattern Recognition (CVPR 2008), Anchorage, Alaska, Jun. 2008
  Bibtex | PDF
@inproceedings{ boosted-deformable-model-for-human-body-alignment,
  author = { Xiaoming Liu and Ting Yu and Thomas Sebastian and Peter Tu },
  title = { Boosted Deformable Model for Human Body Alignment },
  booktitle = { Proc. IEEE Computer Vision and Pattern Recognition },
  address = { Anchorage, Alaska },
  month = { June },
  year = { 2008 },
}

2007

• Automatic Face Recognition from Skeletal Remains
  Peter Tu, Rebecca Book, Xiaoming Liu, Nils Krahnstoever, Carl Adrian, Phil Williams
  Proc. IEEE Computer Vision and Pattern Recognition (CVPR 2007), Minneapolis, Minnesota, Jun. 2007
  Bibtex | PDF
@inproceedings{ automatic-face-recognition-from-skeletal-remains,
  author = { Peter Tu and Rebecca Book and Xiaoming Liu and Nils Krahnstoever and Carl Adrian and Phil Williams },
  title = { Automatic Face Recognition from Skeletal Remains },
  booktitle = { Proc. IEEE Computer Vision and Pattern Recognition },
  address = { Minneapolis, Minnesota },
  month = { June },
  year = { 2007 },
}
• Improved Face Model Fitting on Video Sequences
  Xiaoming Liu, Frederick Wheeler, Peter Tu
  Proc. British Machine Vision Conference (BMVC 2007), Warwick, UK, Sep. 2007 (Acceptance rate 39%)
  Bibtex | PDF
@inproceedings{ improved-face-model-fitting-on-video-sequences,
  author = { Xiaoming Liu and Frederick Wheeler and Peter Tu },
  title = { Improved Face Model Fitting on Video Sequences },
  booktitle = { Proc. British Machine Vision Conference },
  address = { Warwick, UK },
  month = { September },
  year = { 2007 },
}
• Multi-Frame Super-Resolution for Face Recognition
  Frederick Wheeler, Xiaoming Liu, Peter Tu
  Proc. of IEEE Conference on Biometrics: Theory, Applications and Systems (BTAS 2007), Washington D.C, USA, Sep. 2007
  Bibtex | PDF
@inproceedings{ multi-frame-super-resolution-for-face-recognition,
  author = { Frederick Wheeler and Xiaoming Liu and Peter Tu },
  title = { Multi-Frame Super-Resolution for Face Recognition },
  booktitle = { Proc. of IEEE Conference on Biometrics: Theory, Applications and Systems },
  address = { Washington D.C, USA },
  month = { September },
  year = { 2007 },
}
• What are Customers Looking at?
  Xiaoming Liu, Nils Krahnstoever, Ting Yu, Peter Tu
  Proc. IEEE International Conference on Advanced Video and Signal-Based Surveillance (AVSS 2007), London, UK, Sep. 2007 (Oral presentation)
  Bibtex | PDF
@inproceedings{ what-are-customers-looking-at,
  author = { Xiaoming Liu and Nils Krahnstoever and Ting Yu and Peter Tu },
  title = { What are Customers Looking at? },
  booktitle = { Proc. IEEE International Conference on Advanced Video and Signal-Based Surveillance },
  address = { London, UK },
  month = { September },
  year = { 2007 },
}
• Surveillance Video Analytics for Large Camera Networks
  Peter Tu, Fred Wheeler, Nils Krahnstoever, Thomas Sebastian, Jens Rittscher, Xiaoming Liu, Amitha Perera, Gianfranco Doretto
  (Invited paper)
  Bibtex
• An Intelligent Video Framework for Homeland Protection
  Peter Tu, Gianfranco Doretto, Nils Krahnstoever, Amitha Perera, Frederick Wheeler, Xiaoming Liu, Jens Rittscher, Thomas Sebastian, Ting Yu, Kevin Harding
  Proc. SPIE Defence and Security Symposium - Unattended Ground, Sea, and Air Sensor Technologies and Applications IX, Orlando, FL, USA, Apr. 2007 (Invited paper)
  Bibtex
@inproceedings{ an-intelligent-video-framework-for-homeland-protection,
  author = { Peter Tu and Gianfranco Doretto and Nils Krahnstoever and Amitha Perera and Frederick Wheeler and Xiaoming Liu and Jens Rittscher and Thomas Sebastian and Ting Yu and Kevin Harding },
  title = { An Intelligent Video Framework for Homeland Protection },
  booktitle = { Proc. SPIE Defence and Security Symposium - Unattended Ground, Sea, and Air Sensor Technologies and Applications IX },
  address = { Orlando, FL, USA },
  month = { April },
  year = { 2007 },
}
• Multi-Frame Image Restoration for Face Recognition
  Frederick Wheeler, Xiaoming Liu, Peter Tu, Ralph Hoctor
  Proc. IEEE Signal Processing Society Workshop on Signal Processing Applications for Public Security and Forensics (SAFE 2007), Washington, D.C., USA, Apr. 2007
  Bibtex | PDF
@inproceedings{ multi-frame-image-restoration-for-face-recognition,
  author = { Frederick Wheeler and Xiaoming Liu and Peter Tu and Ralph Hoctor },
  title = { Multi-Frame Image Restoration for Face Recognition },
  booktitle = { Proc. IEEE Signal Processing Society Workshop on Signal Processing Applications for Public Security and Forensics },
  address = { Washington, D.C., USA },
  month = { April },
  year = { 2007 },
}

2006

• Face Model Fitting on Low Resolution Images
  Xiaoming Liu, Peter Tu, Frederick Wheeler
  Proc. British Machine Vision Conference (BMVC 2006), Edinburgh, UK, Sep. 2006 (Acceptance rate 25%)
  Bibtex | PDF
@inproceedings{ face-model-fitting-on-low-resolution-images,
  author = { Xiaoming Liu and Peter Tu and Frederick Wheeler },
  title = { Face Model Fitting on Low Resolution Images },
  booktitle = { Proc. British Machine Vision Conference },
  address = { Edinburgh, UK },
  month = { September },
  year = { 2006 },
}

2005

• Detecting And Counting People In Surveillance Applications
  Xiaoming Liu, Peter Tu, Jens Rittscher, Amitha Perera, Nils Krahnstoever
  Proc. IEEE International Conference on Advanced Video and Signal-Based Surveillance (AVSS 2005), Como, Italy, Sep. 2005
  Bibtex | PDF
@inproceedings{ detecting-and-counting-people-in-surveillance-applications,
  author = { Xiaoming Liu and Peter Tu and Jens Rittscher and Amitha Perera and Nils Krahnstoever },
  title = { Detecting And Counting People In Surveillance Applications },
  booktitle = { Proc. IEEE International Conference on Advanced Video and Signal-Based Surveillance },
  address = { Como, Italy },
  month = { September },
  year = { 2005 },
}