Publications 1999 2018

  • 21 h-Index
  • 64 Conference contribution
  • 21 Article
2018

360° panoramic video from a 3-camera rig

Morteza Safdarnejad, S., Liu, X. & Liu, J. 2018 Frontier Computing - Theory, Technologies and Applications, FC 2016. Springer Verlag, Vol. 422, p. 491-497 7 p. (Lecture Notes in Electrical Engineering; vol. 422)

Research output: ResearchConference contribution

Cameras
Lenses
Composite materials
Color
Costs
2017

Adaptive 3D Face Reconstruction from Unconstrained Photo Collections

Roth, J., Tong, Y. & Liu, X. Nov 1 2017 In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 39, 11, p. 2127-2141 15 p., 7776921

Research output: Research - peer-reviewArticle

Face
Image quality
Lighting
Internet
Photometric Stereo

Automated Online Exam Proctoring

Atoum, Y., Chen, L., Liu, A. X., Hsu, S. D. H. & Liu, X. Jul 1 2017 In : IEEE Transactions on Multimedia. 19, 7, p. 1609-1624 16 p., 7828141

Research output: Research - peer-reviewArticle

Education
Monitoring
Microphones
Scalability
Acoustics

Intelligent and automatic in vivo detection and quantification of transplanted cells in MRI

Afridi, M. J., Ross, A., Liu, X., Bennewitz, M. F., Shuboni, D. D. & Shapiro, E. M. Nov 1 2017 In : Magnetic Resonance in Medicine. 78, 5, p. 1991-2002 12 p.

Research output: Research - peer-reviewArticle

Magnetic Resonance Imaging
Cell Tracking
Mesenchymal Stromal Cells
Brain
In Vitro Techniques

Multi-Task Convolutional Neural Network for Pose-Invariant Face Recognition

Yin, X. & Liu, X. Oct 21 2017 (Accepted/In press) In : IEEE Transactions on Image Processing.

Research output: Research - peer-reviewArticle

Face recognition
Lighting
Neural networks
Experiments
3 Citations

On geometric features for skeleton-based action recognition using multilayer LSTM networks

Zhang, S., Liu, X. & Xiao, J. May 11 2017 Proceedings - 2017 IEEE Winter Conference on Applications of Computer Vision, WACV 2017. Institute of Electrical and Electronics Engineers Inc., p. 148-157 10 p. 7926607

Research output: ResearchConference contribution

Multilayers
Experiments

Pose-Invariant Face Alignment via CNN-Based Dense 3D Model Fitting

Jourabloo, A. & Liu, X. Apr 19 2017 (Accepted/In press) In : International Journal of Computer Vision. p. 1-17 17 p.

Research output: Research - peer-reviewArticle

Face recognition
Computer vision
Cameras
Experiments
2016
8 Citations

Adaptive 3D face reconstruction from unconstrained photo collections

Roth, J., Tong, Y. & Liu, X. 2016 2016 IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2016. IEEE Computer Society, Vol. 2016-January, p. 4197-4206 10 p.

Research output: ResearchConference contribution

Lighting

Energy-efficient aquatic environment monitoring using smartphone-based robots

Wang, Y., Tan, R., Xing, G., Wang, J., Tan, X. & Liu, X. Jul 1 2016 In : ACM Transactions on Sensor Networks. 12, 3, 25

Research output: Research - peer-reviewArticle

Smartphones
Robots
Monitoring
Image segmentation
Energy utilization
20 Citations

Face alignment across large poses: A 3D solution

Zhu, X., Lei, Z., Liu, X., Shi, H. & Li, S. Z. 2016 2016 IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2016. IEEE Computer Society, Vol. 2016-January, p. 146-155 10 p.

Research output: ResearchConference contribution

Labeling
Pixels
Semantics
Experiments

Joint face alignment and 3D face reconstruction

Liu, F., Zeng, D., Zhao, Q. & Liu, X. 2016 Computer Vision - 14th European Conference, ECCV 2016, Proceedings. Springer Verlag, Vol. 9909 LNCS, p. 545-560 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9909 LNCS)

Research output: ResearchConference contribution

Alignment
Face
Landmarks
Face recognition
Experiments
22 Citations

Large-pose face alignment via CNN-based dense 3D model fitting

Jourabloo, A. & Liu, X. 2016 2016 IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2016. IEEE Computer Society, Vol. 2016-January, p. 4188-4196 9 p.

Research output: ResearchConference contribution

Face recognition
Computer vision
Cameras
Experiments
3 Citations

Monitoring aquatic debris using smartphone-based robots

Wang, Y., Tan, R., Xing, G., Wang, J., Tan, X., Liu, X. & Chang, X. Jun 1 2016 In : IEEE Transactions on Mobile Computing. 15, 6, p. 1412-1426 15 p., 7165664

Research output: Research - peer-reviewArticle

Smartphones
Debris
Robots
Monitoring
Scheduling algorithms
3 Citations

On developing and enhancing plant-level disease rating systems in real fields

Atoum, Y., Afridi, M. J., Liu, X., McGrath, J. M. & Hanson, L. E. May 1 2016 In : Pattern Recognition. 53, p. 287-299 13 p.

Research output: Research - peer-reviewArticle

Sugar beets
Labels
Sugar industry
Computer vision
Lighting
13 Citations

Pose-invariant 3D face alignment

Jourabloo, A. & Liu, X. Feb 17 2016 Proceedings - 2015 IEEE International Conference on Computer Vision, ICCV 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 11-18-December-2015, p. 3694-3702 9 p. 7410778

Research output: ResearchConference contribution

Visibility
Cameras
Experiments

Temporally robust global motion compensation by keypoint-based congealing

Safdarnejad, S. M., Atoum, Y. & Liu, X. 2016 Computer Vision - 14th European Conference, ECCV 2016, Proceedings. Springer Verlag, Vol. 9910 LNCS, p. 101-119 19 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9910 LNCS)

Research output: ResearchConference contribution

Motion Compensation
Motion compensation
Motion
Cameras
Camera
2015
7 Citations

Attribute preserved face de-identification

Jourabloo, A., Yin, X. & Liu, X. Jun 29 2015 Proceedings of 2015 International Conference on Biometrics, ICB 2015. Institute of Electrical and Electronics Engineers Inc., p. 278-285 8 p. 7139096

Research output: ResearchConference contribution

Face recognition
Identification (control systems)
Weights and Measures
Facial Recognition
8 Citations

Automatic feeding control for dense aquaculture fish tanks

Atoum, Y., Srivastava, S. & Liu, X. Aug 1 2015 In : IEEE Signal Processing Letters. 22, 8, p. 1089-1093 5 p., 6997987

Research output: Research - peer-reviewArticle

Automatic Control
Fish
Aquaculture
Optimal Rates
Excess
3 Citations

Automatic in vivo cell detection in MRI

Afridi, M. J., Liu, X., Shapiro, E. & Ross, A. 2015 Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Springer Verlag, Vol. 9351, p. 391-399 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9351)

Research output: ResearchConference contribution

Cell
Magnetic resonance imaging
Monitoring
Learning
Classifier Ensemble
49 Citations

Demographic estimation from face images: Human vs. machine performance

Han, H., Otto, C., Liu, X. & Jain, A. K. Jun 1 2015 In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 37, 6, p. 1148-1161 14 p., 6920084

Research output: Research - peer-reviewArticle

Face
Human
Person
Estimate
Gender
9 Citations

Investigating the discriminative power of keystroke sound

Roth, J., Liu, X., Ross, A. & Metaxas, D. Feb 1 2015 In : IEEE Transactions on Information Forensics and Security. 10, 2, p. 333-345 13 p., 6966780

Research output: Research - peer-reviewArticle

Acoustic waves
Authentication
Experiments
14 Citations

Leaf segmentation in plant phenotyping: a collation study

Scharr, H., Minervini, M., French, A. P., Klukas, C., Kramer, D. M., Liu, X., Luengo, I., Pape, J. M., Polder, G., Vukadinovic, D., Yin, X. & Tsaftaris, S. A. Dec 12 2015 (Accepted/In press) In : Machine Vision and Applications. p. 1-22 22 p.

Research output: Research - peer-reviewArticle

Computer vision
Tobacco
Agriculture
Imaging techniques
Processing
1 Citations

Learning-based ballistic breech face impression image matching

Roth, J., Carriveau, A., Liu, X. & Jain, A. K. Dec 16 2015 2015 IEEE 7th International Conference on Biometrics Theory, Applications and Systems, BTAS 2015. Institute of Electrical and Electronics Engineers Inc., 7358774

Research output: ResearchConference contribution

Image Matching
Ballistics
Face
Learning
Image matching
4 Citations

Multi-modality imagery database for plant phenotyping

Cruz, J. A., Yin, X., Liu, X., Imran, S. M., Morris, D. D., Kramer, D. M. & Chen, J. Nov 28 2015 (Accepted/In press) In : Machine Vision and Applications. p. 1-15 15 p.

Research output: Research - peer-reviewArticle

Image analysis
Imaging techniques
Crops
Sensors
Labeling
1 Citations

On the exploration of joint attribute learning for person re-identification

Roth, J. & Liu, X. 2015 Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Springer Verlag, Vol. 9003, p. 673-688 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9003)

Research output: ResearchConference contribution

Person
Attribute
Learning
Classifiers
Learning algorithms
1 Citations

Samba: A smartphone-based robot system for energy-efficient aquatic environment monitoring

Wang, Y., Tan, R., Xing, G., Wang, J., Tan, X. & Liu, X. Apr 13 2015 IPSN 2015 - Proceedings of the 14th International Symposium on Information Processing in Sensor Networks (Part of CPS Week). Association for Computing Machinery, Inc, p. 262-273 12 p.

Research output: ResearchConference contribution

Smartphones
Robots
Monitoring
Image segmentation
Energy utilization
3 Citations

Sports Videos in the Wild (SVW): A video dataset for sports analysis

Safdarnejad, S. M., Liu, X., Udpa, L., Andrus, B., Wood, J. & Craven, D. Jul 17 2015 2015 11th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition, FG 2015. Institute of Electrical and Electronics Engineers Inc., 7163105

Research output: ResearchConference contribution

Sports
Smartphones
Broadcasting
Application programs
Computer vision
15 Citations

Unconstrained 3D face reconstruction

Roth, J., Tong, Y. & Liu, X. Oct 14 2015 Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition. IEEE Computer Society, Vol. 07-12-June-2015, p. 2606-2615 10 p. 7298876

Research output: ResearchConference contribution

Surface reconstruction
Metadata
Computer vision
Textures
Lighting
2014
5 Citations

An automated system for plant-level disease rating in real fields

Afridi, M. J., Liu, X. & McGrath, J. M. Dec 4 2014 Proceedings - International Conference on Pattern Recognition. Institute of Electrical and Electronics Engineers Inc., p. 148-153 6 p. 6976746

Research output: ResearchConference contribution

Pixels
Sugar beets
Sugar (sucrose)
Computer vision
Lighting
5 Citations

Aquatic debris monitoring using smartphone-based robotic sensors

Wang, Y., Tan, R., Xing, G., Wang, J., Tan, X., Liu, X. & Chang, X. 2014 IPSN 2014 - Proceedings of the 13th International Symposium on Information Processing in Sensor Networks (Part of CPS Week). IEEE Computer Society, p. 13-24 12 p. 6835794

Research output: ResearchConference contribution

Smartphones
Debris
Robotics
Monitoring
Sensors
2 Citations

Genre categorization of amateur sports videos in the wild

Safdarnejad, S. M., Liu, X. & Udpa, L. Jan 28 2014 2014 IEEE International Conference on Image Processing, ICIP 2014. Institute of Electrical and Electronics Engineers Inc., p. 1001-1005 5 p. 7025201

Research output: ResearchConference contribution

Sports
Trajectories
Broadcasting
Mobile phones
Linings
3 Citations

Image segmentation of mesenchymal stem cells in diverse culturing conditions

Afridi, M. J., Liu, C., Chan, C., Baek, S. & Liu, X. 2014 2014 IEEE Winter Conference on Applications of Computer Vision, WACV 2014. IEEE Computer Society, p. 516-523 8 p. 6836058

Research output: ResearchConference contribution

Stem cells
Image segmentation
Tissue engineering
Image analysis
Regenerative Medicine
7 Citations

Multi-leaf alignment from fluorescence plant images

Yin, X., Liu, X., Chen, J. & Kramer, D. M. 2014 2014 IEEE Winter Conference on Applications of Computer Vision, WACV 2014. IEEE Computer Society, p. 437-444 8 p. 6836067

Research output: ResearchConference contribution

Fluorescence
Masks
8 Citations

Multi-leaf tracking from fluorescence plant videos

Yin, X., Liu, X., Chen, J. & Kramer, D. M. Jan 28 2014 2014 IEEE International Conference on Image Processing, ICIP 2014. Institute of Electrical and Electronics Engineers Inc., p. 408-412 5 p. 7025081

Research output: ResearchConference contribution

Fluorescence
21 Citations

On continuous user authentication via typing behavior

Roth, J., Liu, X. & Metaxas, D. Oct 1 2014 In : IEEE Transactions on Image Processing. 23, 10, p. 4611-4614 4 p., 6879297

Research output: Research - peer-reviewArticle

Biometrics
Authentication
Hand
End effectors
Computer vision
1 Citations

On hair recognition in the wild by machine

Roth, J. & Liu, X. 2014 Proceedings of the National Conference on Artificial Intelligence. AI Access Foundation, Vol. 4, p. 2824-2830 7 p.

Research output: ResearchConference contribution

Adaptive boosting
Face recognition
Classifiers
Fusion reactions
Textures
6 Citations

Transfer learning with one-class data

Chen, J. & Liu, X. Feb 1 2014 In : Pattern Recognition Letters. 37, 1, p. 32-40 9 p.

Research output: Research - peer-reviewArticle

Learning algorithms
Feature extraction
Classifiers
Testing
Experiments
2013
26 Citations

Adaptive unsupervised multi-view feature selection for visual concept recognition

Feng, Y., Xiao, J., Zhuang, Y. & Liu, X. 2013 Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 1 ed. Vol. 7724 LNCS, p. 343-357 15 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7724 LNCS, no. PART 1)

Research output: ResearchConference contribution

Feature Selection
Concepts
Vision
Feature extraction
Labels
12 Citations

Biometric authentication via keystroke sound

Roth, J., Liu, X., Ross, A. & Metaxas, D. 2013 Proceedings - 2013 International Conference on Biometrics, ICB 2013. IEEE Computer Society, 6613015

Research output: ResearchConference contribution

Biometric Identification
Privacy
Dermatoglyphics
Databases
Costs and Cost Analysis
5 Citations

Boosting with side information

Chen, J., Liu, X. & Lyu, S. 2013 Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 1 ed. Vol. 7724 LNCS, p. 563-577 15 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7724 LNCS, no. PART 1)

Research output: ResearchConference contribution

Side Information
Boosting
Classifiers
Adaptive boosting
Classifier
27 Citations

Learning person-specific models for facial expression and action unit recognition

Chen, J., Liu, X., Tu, P. & Aragones, A. 2013 In : Pattern Recognition Letters. 34, 15, p. 1964-1970 7 p.

Research output: Research - peer-reviewArticle

Labeling
Learning systems
Experiments
2012
9 Citations

Group context learning for event recognition

Zhang, Y., Ge, W., Chang, M. C. & Liu, X. 2012 Proceedings of IEEE Workshop on Applications of Computer Vision. p. 249-255 7 p. 6163009

Research output: ResearchConference contribution

Target tracking
Support vector machines
Cameras
Trajectories
1 Citations

Image congealing via efficient feature selection

Xue, Y. & Liu, X. 2012 Proceedings of IEEE Workshop on Applications of Computer Vision. p. 185-192 8 p. 6163048

Research output: ResearchConference contribution

Feature extraction
Medical applications
Redundancy
Experiments
3 Citations

Learning-based scan plane identification from fetal head ultrasound images

Liu, X., Annangi, P., Gupta, M., Yu, B., Padfield, D., Banerjee, J. & Krishnan, K. 2012 Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 8320, 83200A

Research output: ResearchConference contribution

thalamus
ellipses
learning
probes
Head
10 Citations

Person-specific expression recognition with transfer learning

Chen, J., Liu, X., Tu, P. & Aragones, A. 2012 Proceedings - International Conference on Image Processing, ICIP. p. 2621-2624 4 p. 6467436

Research output: ResearchConference contribution

Labeling
Learning systems
6 Citations

Semi-supervised facial landmark annotation

Tong, Y., Liu, X., Wheeler, F. W. & Tu, P. H. Aug 2012 In : Computer Vision and Image Understanding. 116, 8, p. 922-935 14 p.

Research output: Research - peer-reviewArticle

Computer vision
Personnel
Experiments
Object detection
50 Citations

Spatio-temporal phrases for activity recognition

Zhang, Y., Liu, X., Chang, M. C., Ge, W. & Chen, T. 2012 Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 3 ed. Vol. 7574 LNCS, p. 707-721 15 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7574 LNCS, no. PART 3)

Research output: ResearchConference contribution

Activity Recognition
Local Features
Computational complexity
Cameras
Experiments
2011
2 Citations

Automatic surveillance video matting using a shape prior

Yu, T., Liu, X., Lim, S., Krahnstoever, N. O. & Tu, P. H. 2011 Proceedings of the IEEE International Conference on Computer Vision. p. 1761-1768 8 p. 6130462

Research output: ResearchConference contribution

Detectors
Cost functions

LPSM: Fitting shape model by linear programming

Tu, J., Laflen, B., Liu, X., Bello, M., Rittscher, J. & Tu, P. 2011 2011 IEEE International Conference on Automatic Face and Gesture Recognition and Workshops, FG 2011. p. 252-258 7 p. 5771406

Research output: ResearchConference contribution

Linear programming
Experiments
Cost functions
Internet
Local search (optimization)
3 Citations

Optimal gradient pursuit for face alignment

Liu, X. 2011 2011 IEEE International Conference on Automatic Face and Gesture Recognition and Workshops, FG 2011. p. 245-251 7 p. 5771405

Research output: ResearchConference contribution

Experiments