1990 …2020

Research output per year

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Research Output

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Article
2020
2019

A topology-based descriptor for 3D point cloud modeling: Theory and experiments

Beksi, W. J. & Papanikolopoulos, N., Aug 2019, In : Image and Vision Computing. 88, p. 84-95 12 p.

Research output: Contribution to journalArticle

2 Scopus citations
2018
2017

Last-mile transit service with urban infrastructure data

Zhang, D., Zhao, J., Zhang, F., Jiang, R., He, T. & Papanikolopoulos, N., Jan 1 2017, In : ACM Transactions on Cyber-Physical Systems. 1, 2, 6.

Research output: Contribution to journalArticle

2 Scopus citations
1 Scopus citations

Bayesian Nonparametric Clustering for Positive Definite Matrices

Cherian, A., Morellas, V. & Papanikolopoulos, N., May 1 2016, In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 38, 5, p. 862-874 13 p., 7159063.

Research output: Contribution to journalArticle

Open Access
14 Scopus citations

Covariance based point cloud descriptors for object detection and recognition

Fehr, D., Beksi, W. J., Zermas, D. & Papanikolopoulos, N., Jan 1 2016, In : Computer Vision and Image Understanding. 142, p. 80-93 14 p.

Research output: Contribution to journalArticle

Open Access
15 Scopus citations
2015

A vision based ensemble approach to velocity estimation for miniature rotorcraft

Andersh, J., Cherian, A., Mettler May, B. F. & Papanikolopoulos, N. P., Aug 23 2015, In : Autonomous Robots. 39, 2, p. 123-138 16 p.

Research output: Contribution to journalArticle

4 Scopus citations

Object classification using dictionary learning and RGB-D covariance descriptors

Beksi, W. J. & Papanikolopoulos, N. P., Jan 1 2015, In : Proceedings - IEEE International Conference on Robotics and Automation. 2015-June, June, p. 1880-1885 6 p., 7139443.

Research output: Contribution to journalArticle

15 Scopus citations

Tensor Dictionary Learning for Positive Definite Matrices

Sivalingam, R., Boley, D., Morellas, V. & Papanikolopoulos, N., Nov 1 2015, In : IEEE Transactions on Image Processing. 24, 11, p. 4592-4601 10 p., 7117399.

Research output: Contribution to journalArticle

7 Scopus citations
2014

Action recognition using global spatio-temporal features derived from sparse representations

Somasundaram, G., Cherian, A., Morellas, V. & Papanikolopoulos, N., Jun 2014, In : Computer Vision and Image Understanding. 123, p. 1-13 13 p.

Research output: Contribution to journalArticle

33 Scopus citations

Efficient nearest neighbors via robust sparse hashing

Cherian, A., Sra, S., Morellas, V. & Papanikolopoulos, N. P., Aug 2014, In : IEEE Transactions on Image Processing. 23, 8, p. 3646-3655 10 p., 6824781.

Research output: Contribution to journalArticle

13 Scopus citations

Tensor sparse coding for positive definite matrices

Sivalingam, R., Boley, D., Morellas, V. & Papanikolopoulos, N., Mar 1 2014, In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 36, 3, p. 592-605 14 p., 6574845.

Research output: Contribution to journalArticle

21 Scopus citations
2013

Classification and counting of composite objects in traffic scenes using global and local image analysis

Somasundaram, G., Sivalingam, R., Morellas, V. & Papanikolopoulos, N., Jan 1 2013, In : IEEE Transactions on Intelligent Transportation Systems. 14, 1, p. 69-81 13 p., 6291788.

Research output: Contribution to journalArticle

11 Scopus citations

Coordination and longevity in multi-robot teams involving miniature robots

Drenner, A., Janssen, M., Kottas, A., Kossett, A., Carlson, C., Lloyd, R. & Papanikolopoulos, N., Apr 23 2013, In : Journal of Intelligent and Robotic Systems: Theory and Applications. 72, 2, p. 263-284 22 p.

Research output: Contribution to journalArticle

9 Scopus citations
91 Scopus citations
2012

Reconstructing and analyzing periodic human motion from stationary monocular views

Ribnick, E., Sivalingam, R., Papanikolopoulos, N. & Daniilidis, K., Jul 1 2012, In : Computer Vision and Image Understanding. 116, 7, p. 815-826 12 p.

Research output: Contribution to journalArticle

1 Scopus citations

Robot formations using a single camera and entropy-based segmentation

Min, H. J. & Papanikolopoulos, N., Sep 1 2012, In : Journal of Intelligent and Robotic Systems: Theory and Applications. 68, 1, p. 21-41 21 p.

Research output: Contribution to journalArticle

11 Scopus citations

Scalable active learning for multiclass image classification

Joshi, A. J., Porikli, F. & Papanikolopoulos, N. P., Oct 1 2012, In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 34, 11, p. 2259-2273 15 p., 6127880.

Research output: Contribution to journalArticle

79 Scopus citations
2011

Feasibility of intrafraction whole-body motion tracking for total marrow irradiation

Sharma, M., Santos, T. D., Papanikolopoulos, N. P. & Huia, S. K., May 1 2011, In : Journal of biomedical optics. 16, 5, 058002.

Research output: Contribution to journalArticle

1 Scopus citations

Optimal image-based euclidean calibration of structured light systems in general scenes

Bird, N. & Papanikolopoulos, N., Oct 1 2011, In : IEEE Transactions on Automation Science and Engineering. 8, 4, p. 815-823 9 p., 5772037.

Research output: Contribution to journalArticle

7 Scopus citations
2010

3D reconstruction of periodic motion from a single view

Ribnick, E. & Papanikolopoulos, N. P., Oct 1 2010, In : International Journal of Computer Vision. 90, 1, p. 28-44 17 p.

Research output: Contribution to journalArticle

11 Scopus citations

Clustering of vehicle trajectories

Atev, S., Miller, G. & Papanikolopoulos, N. P., Sep 1 2010, In : IEEE Transactions on Intelligent Transportation Systems. 11, 3, p. 647-657 11 p., 5462900.

Research output: Contribution to journalArticle

109 Scopus citations
2009

Estimating 3D positions and velocities of projectiles from monocular views

Ribnick, E., Atev, S. & Papanikolopoulos, N. P., Apr 23 2009, In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 31, 5, p. 938-944 7 p.

Research output: Contribution to journalArticle

26 Scopus citations

Human motion recognition using support vector machines

Cao, D., Masoud, O. T., Boley, D. & Papanikolopoulos, N., Oct 1 2009, In : Computer Vision and Image Understanding. 113, 10, p. 1064-1075 12 p.

Research output: Contribution to journalArticle

9 Scopus citations

Learning to recognize video-based spatiotemporal events

Veeraraghavan, H. & Papanikolopoulos, N. P., Dec 1 2009, In : IEEE Transactions on Intelligent Transportation Systems. 10, 4, p. 628-638 11 p., 5166486.

Research output: Contribution to journalArticle

18 Scopus citations

SU‐FF‐J‐116: On the Development of Intra‐Fraction Whole Body Motion Tracking During Total Body Irradiation

Sharma, M., Hui, S. K., Bird, N., Dos Santos, T. & Papanikolopoulos, N. P., Jun 2009, In : Medical Physics. 36, 6, 1 p.

Research output: Contribution to journalArticle

View-independent human motion classification using image-based reconstruction

Bodor, R., Drenner, A., Fehr, D., Masoud, O. & Papanikolopoulos, N., Jul 2 2009, In : Image and Vision Computing. 27, 8, p. 1194-1206 13 p.

Research output: Contribution to journalArticle

87 Scopus citations
2008

Appearance-based mapping using minimalistic sensor models

Rybski, P. E., Roumeliotis, S., Gini, M. & Papanikopoulos, N., Apr 2008, In : Autonomous Robots. 24, 3, p. 229-246 18 p.

Research output: Contribution to journalArticle

9 Scopus citations

Estimating pedestrian counts in groups

Kilambi, P., Ribnick, E., Joshi, A. J., Masoud, O. & Papanikolopoulos, N., Apr 1 2008, In : Computer Vision and Image Understanding. 110, 1, p. 43-59 17 p.

Research output: Contribution to journalArticle

110 Scopus citations

EvalWare: Signal Processing for Robotics

Papanikolopoulos, N., Jan 1 2008, In : IEEE Signal Processing Magazine. 25, 1, p. 154-157 4 p.

Research output: Contribution to journalArticle

1 Scopus citations

Implicit cooperation strategies for multi-robot search of unknown areas

Anderson, M. & Papanikolopoulos, N., Dec 1 2008, In : Journal of Intelligent and Robotic Systems: Theory and Applications. 53, 4, p. 381-397 17 p.

Research output: Contribution to journalArticle

24 Scopus citations

Learning to detect moving shadows in dynamic environments

Joshi, A. J. & Papanikolopoulos, N. P., Oct 9 2008, In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 30, 11, p. 2055-2063 9 p.

Research output: Contribution to journalArticle

82 Scopus citations

Multi-camera human activity monitoring

Fiore, L., Fehr, D., Bodor, R., Drenner, A., Somasundaram, G. & Papanikolopoulos, N., May 1 2008, In : Journal of Intelligent and Robotic Systems: Theory and Applications. 52, 1, p. 5-43 39 p.

Research output: Contribution to journalArticle

64 Scopus citations

Robotic scrub nurse for otolaryngology

Agovic, A., Levine, S. C., Papanikolopoulos, N. P. & Tewfik, A., Jun 1 2008, In : Journal of Medical Devices, Transactions of the ASME. 2, 2, p. 1 1 p.

Research output: Contribution to journalArticle

Vision-based patient body tracking in helical tomotherapy

Bird, N., Santos, T. D., Hui, S. & Papanikolopoulos, N., Jun 1 2008, In : Journal of Medical Devices, Transactions of the ASME. 2, 2, p. 1 1 p.

Research output: Contribution to journalArticle

2007

Classifiers for driver activity monitoring

Veeraraghavan, H., Bird, N., Atev, S. & Papanikolopoulos, N., Feb 2007, In : Transportation Research Part C: Emerging Technologies. 15, 1, p. 51-67 17 p.

Research output: Contribution to journalArticle

27 Scopus citations

Optimal camera placement for automated surveillance Tasks

Bodor, R., Drenner, A., Schrater, P. & Papanikolopoulos, N., Nov 1 2007, In : Journal of Intelligent and Robotic Systems: Theory and Applications. 50, 3, p. 257-295 39 p.

Research output: Contribution to journalArticle

62 Scopus citations

Using geometric primitives to calibrate traffic scenes

Masoud, O. & Papanikolopoulos, N. P., Dec 2007, In : Transportation Research Part C: Emerging Technologies. 15, 6, p. 361-379 19 p.

Research output: Contribution to journalArticle

10 Scopus citations

Using robots to raise interest in technology among underrepresented groups

Cannon, K., Lapoint, M. A., Bird, N., Panciera, K., Veeraraghavan, H., Papanikolopoulos, N. & Gini, M., Dec 1 2007, In : IEEE Robotics and Automation Magazine. 14, 2, p. 73-81 9 p.

Research output: Contribution to journalArticle

6 Scopus citations
2006

Kinematic motion model for jumping scout robots

Stoeter, S. A. & Papanikolopoulos, N., Apr 1 2006, In : IEEE Transactions on Robotics. 22, 2, p. 398-403 6 p.

Research output: Contribution to journalArticle

47 Scopus citations

Robust target detection and tracking through integration of motion, color, and geometry

Veeraraghavan, H., Schrater, P. R. & Papanikolopoulos, N. P., Aug 1 2006, In : Computer Vision and Image Understanding. 103, 2, p. 121-138 18 p.

Research output: Contribution to journalArticle

31 Scopus citations

Using virtual pheromones and cameras for dispersing a team of multiple miniature robots

Pearce, J. L., Powers, B., Hess, C., Rybski, P. E., Stoeter, S. A. & Papanikolopoulos, N., Apr 1 2006, In : Journal of Intelligent and Robotic Systems: Theory and Applications. 45, 4, p. 307-321 15 p.

Research output: Contribution to journalArticle

16 Scopus citations
2005

Autonomous stair-climbing with miniature jumping robots

Stoeter, S. A. & Papanikolopoulos, N., Apr 1 2005, In : IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics. 35, 2, p. 313-325 13 p.

Research output: Contribution to journalArticle

55 Scopus citations

A vision-based approach to collision prediction at traffic intersections

Atev, S., Arumugam, H., Masoud, O., Janardan, R. & Papanikolopoulos, N. P., Dec 1 2005, In : IEEE Transactions on Intelligent Transportation Systems. 6, 4, p. 416-423 8 p.

Research output: Contribution to journalArticle

100 Scopus citations

Deriving occlusions in static scenes from observations of interactions with a moving figure

Jackson, B., Bodor, R. & Papanikolopoulos, N., Dec 19 2005, In : Advanced Robotics. 19, 10 SPEC. ISS., p. 1043-1058 16 p.

Research output: Contribution to journalArticle

Detection of loitering individuals in public transportation areas

Bird, N. D., Masoud, O., Papanikolopoulos, N. P. & Isaacs, A., Jun 1 2005, In : IEEE Transactions on Intelligent Transportation Systems. 6, 2, p. 167-177 11 p.

Research output: Contribution to journalArticle

105 Scopus citations

Tracking all traffic: Computer vision algorithms for monitoring vehicles individuals, and crowds

Maurin, B., Masoud, O. & Papanikolopoulos, N. P., Mar 1 2005, In : IEEE Robotics and Automation Magazine. 12, 1, p. 29-36 8 p.

Research output: Contribution to journalArticle

30 Scopus citations
2004

Human activities monitoring at bus stops

Gasser, G., Bird, N., Masoud, O. & Papanikolopoulos, N. P., Jul 5 2004, In : Proceedings - IEEE International Conference on Robotics and Automation. 2004, 1, p. 90-95 6 p.

Research output: Contribution to journalArticle

16 Scopus citations