1990 …2024

Research output per year

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Research Output

2014

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

20 Scopus citations
2013

A genetic algorithm for the construction of optimized covariance descriptors

Bruyas, A. & Papanikolopoulos, N., Oct 15 2013, 2013 21st Mediterranean Conference on Control and Automation, MED 2013 - Conference Proceedings. p. 1583-1588 6 p. 6608933. (2013 21st Mediterranean Conference on Control and Automation, MED 2013 - Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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
87 Scopus citations

Locating occupants in preschool classrooms using a multiple RGB-D sensor system

Walczak, N., Fasching, J., Toczyski, W. D., Morellas, V., Sapiro, G. & Papanikolopoulos, N., Dec 1 2013, IROS 2013: New Horizon, Conference Digest - 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems. p. 2166-2172 7 p. 6696659. (IEEE International Conference on Intelligent Robots and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Recognition of ballet micro-movements for use in choreography

Dancs, J., Sivalingam, R., Somasundaram, G., Morellas, V. & Papanikolopoulos, N., Dec 1 2013, IROS 2013: New Horizon, Conference Digest - 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems. p. 1162-1167 6 p. 6696497. (IEEE International Conference on Intelligent Robots and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Scopus citations

Solar powered unmanned aerial vehicle for continuous flight: Conceptual overview and optimization

Morton, S., Scharber, L. & Papanikolopoulos, N., Nov 14 2013, 2013 IEEE International Conference on Robotics and Automation, ICRA 2013. p. 766-771 6 p. 6630659. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Scopus citations

Utilizing queued actions to increase interaction efficiency in robot control interfaces

Janssen, M. & Papanikolopoulos, N., Oct 15 2013, 2013 21st Mediterranean Conference on Control and Automation, MED 2013 - Conference Proceedings. p. 34-39 6 p. 6608695. (2013 21st Mediterranean Conference on Control and Automation, MED 2013 - Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations
2012

A computer vision approach for the assessment of autism-related behavioral markers

Hashemi, J., Spina, T. V., Tepper, M., Esler, A. N., Morellas, V., Papanikolopoulos, N. P. & Sapiro, G., Dec 1 2012, 2012 IEEE International Conference on Development and Learning and Epigenetic Robotics, ICDL 2012. 6400865. (2012 IEEE International Conference on Development and Learning and Epigenetic Robotics, ICDL 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

21 Scopus citations

A multi-sensor visual tracking system for behavior monitoring of at-risk children

Sivalingam, R., Cherian, A., Fasching, J., Walczak, N., Bird, N., Morellas, V., Murphy, B., Cullen, K. R., Lim, K. O., Sapiro, G. & Papanikolopoulos, N. P., Jan 1 2012, 2012 IEEE International Conference on Robotics and Automation, ICRA 2012. Institute of Electrical and Electronics Engineers Inc., p. 1345-1350 6 p. 6225280. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16 Scopus citations

A nonintrusive system for behavioral analysis of children using multiple RGB+depth sensors

Walczak, N., Fasching, J., Toczyski, W., Sivalingam, R., Bird, N., Cullen, K. R., Morellas, V., Murphy, B., Sapiro, G. & Papanikolopoulos, N. P., May 11 2012, 2012 IEEE Workshop on the Applications of Computer Vision, WACV 2012. p. 217-222 6 p. 6163011. (Proceedings of IEEE Workshop on Applications of Computer Vision).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Aquapod: A small amphibious robot with sampling capabilities

Dhull, S., Canelon, D., Kottas, A., Dancs, J., Carlson, A. & Papanikolopoulos, N., Dec 1 2012, 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2012. p. 100-105 6 p. 6385733. (IEEE International Conference on Intelligent Robots and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

A solution with multiple robots and Kinect systems to implement the parallel coverage problem

Min, H. J., Fehr, D. & Papanikolopoulos, N. P., Oct 5 2012, 2012 20th Mediterranean Conference on Control and Automation, MED 2012 - Conference Proceedings. p. 555-560 6 p. 6265696

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Compact covariance descriptors in 3D point clouds for object recognition

Fehr, D., Cherian, A., Sivalingam, R., Nickolay, S., Morellas And, V. & Papanikolopoulos, N. P., Jan 1 2012, 2012 IEEE International Conference on Robotics and Automation, ICRA 2012. Institute of Electrical and Electronics Engineers Inc., p. 1793-1798 6 p. 6224740. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

29 Scopus citations

Coverage optimized active learning for k - NN classifiers

Joshi, A. J., Porikli, F. & Papanikolopoulos, N. P., Jan 1 2012, 2012 IEEE International Conference on Robotics and Automation, ICRA 2012. Institute of Electrical and Electronics Engineers Inc., p. 5353-5358 6 p. 6225054. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Detecting risk-markers in children in a preschool classroom

Fasching, J., Walczak, N., Sivalingam, R., Cullen, K., Murphy, B., Sapiro, G., Morellas, V. & Papanikolopoulos, N., Dec 1 2012, 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2012. p. 1010-1016 7 p. 6385732. (IEEE International Conference on Intelligent Robots and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Frictional step climbing analysis of tumbling locomotion

Hemes, B. & Papanikolopoulos, N. P., Jan 1 2012, 2012 IEEE International Conference on Robotics and Automation, ICRA 2012. Institute of Electrical and Electronics Engineers Inc., p. 4142-4147 6 p. 6224644

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Object classification in traffic scenes using multiple spatio-temporal features

Somasundaram, G., Morellas, V., Papanikolopoulos, N. & Bedros, S., Oct 5 2012, 2012 20th Mediterranean Conference on Control and Automation, MED 2012 - Conference Proceedings. p. 1536-1541 6 p. 6265857. (2012 20th Mediterranean Conference on Control and Automation, MED 2012 - Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Object classification with efficient global self-similarity descriptors based on sparse representations

Somasundaram, G., Morellas, V. & Papanikolopoulos, N. P., Dec 1 2012, 2012 IEEE International Conference on Image Processing, ICIP 2012 - Proceedings. p. 2165-2168 4 p. 6467322. (Proceedings - International Conference on Image Processing, ICIP).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Pitfalls of publications: On the sensitive issue of plagiarism

Visser, L., Haidegger, T. & Papanikolopoulos, N., Dec 26 2012, In : IEEE Robotics and Automation Magazine. 19, 4, p. 85-87 3 p., 6377466.

Research output: Contribution to journalReview article

1 Scopus citations

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

10 Scopus citations

Robust sparse hashing

Cherian, A., Morellas, V. & Papanikolopoulos, N. P., Dec 1 2012, 2012 IEEE International Conference on Image Processing, ICIP 2012 - Proceedings. p. 2417-2420 4 p. 6467385. (Proceedings - International Conference on Image Processing, ICIP).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 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

76 Scopus citations

Sparse representation of point trajectories for action classification

Sivalingam, R., Somasundaram, G., Bhatawadekar, V., Morellas, V. & Papanikolopoulos, N. P., Jan 1 2012, 2012 IEEE International Conference on Robotics and Automation, ICRA 2012. Institute of Electrical and Electronics Engineers Inc., p. 3601-3606 6 p. 6224777. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations
2011

A dynamic sensor placement algorithm for dense sampling

Bhatawadekar, V., Fehr, D., Morellas, V. & Papanikolopoulos, N. P., Sep 13 2011, Fusion 2011 - 14th International Conference on Information Fusion. 5977613. (Fusion 2011 - 14th International Conference on Information Fusion).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

A dynamic sensor placement algorithm for dense sampling

Bhatawadekar, V., Sivalingam, R. & Papanikolopoulos, N., Dec 29 2011, IROS'11 - 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems: Celebrating 50 Years of Robotics. p. 1167-1172 6 p. 6048576. (IEEE International Conference on Intelligent Robots and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

A novel framework for annotating videos using text

Gali, P. K., Morellas, V. & Papanikolopoulos, N., Sep 8 2011, 2011 19th Mediterranean Conference on Control and Automation, MED 2011. p. 1403-1408 6 p. 5983193. (2011 19th Mediterranean Conference on Control and Automation, MED 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Approximate nearest neighbors via dictionary learning

Cherian, A., Morellas, V. & Papanikolopoulos, N., Sep 26 2011, Independent Component Analyses, Wavelets, Neural Networks, Biosystems, and Nanoengineering IX. 80581M. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8058).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

A probabilistic quality metric for camera placement in 3D reconstructions

Holec, E. & Papanikolopoulos, N. P., Dec 1 2011, 2011 IEEE International Conference on Robotics and Automation, ICRA 2011. p. 5899-5904 6 p. 5980520. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aquapod: Prototype design of an amphibious tumbling robot

Carlson, A. & Papanikolopoulos, N., Dec 1 2011, 2011 IEEE International Conference on Robotics and Automation, ICRA 2011. p. 4589-4594 6 p. 5979538. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Scopus citations

A robust miniature robot design for land/air hybrid locomotion

Kossett, A. & Papanikolopoulos, N., Dec 1 2011, 2011 IEEE International Conference on Robotics and Automation, ICRA 2011. p. 4595-4600 6 p. 5979845. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

19 Scopus citations

Computer vision issues in the design of a scrub nurse robot

Agovic, A., Levine, J., Agovic, A. & Papanikolopoulos, N. P., Dec 1 2011, 2011 IEEE International Conference on Robotics and Automation, ICRA 2011. p. 2921-2926 6 p. 5980494. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Denoising sparse noise via online dictionary learning

Cherian, A., Sra, S. & Papanikolopoulos, N. P., Aug 18 2011, 2011 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011 - Proceedings. p. 2060-2063 4 p. 5946730. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Scopus citations

Dictionary learning for robust background modeling

Sivalingam, R., D'Souza, A., Morellas, V., Papanikolopoulos, N. P., Bazakos, M. E. & Miezianko, R., Dec 1 2011, 2011 IEEE International Conference on Robotics and Automation, ICRA 2011. p. 4234-4239 6 p. 5979981

Research output: Chapter in Book/Report/Conference proceedingConference contribution

17 Scopus citations

Dirichlet process mixture models on symmetric positive definite matrices for appearance clustering in video surveillance applications

Cherian, A., Morellas, V., Papanikolopoulos, N. P. & Bedros, S. J., Jan 1 2011, 2011 IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2011. IEEE Computer Society, p. 3417-3424 8 p. 5995723. (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Scopus citations

Efficient similarity search for covariance matrices via the Jensen-Bregman LogDet Divergence

Cherian, A., Sra, S., Banerjee, A. & Papanikolopoulos, N. P., Dec 1 2011, 2011 International Conference on Computer Vision, ICCV 2011. p. 2399-2406 8 p. 6126523. (Proceedings of the IEEE International Conference on Computer Vision).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

46 Scopus citations

Enhancing the Randomized Hough Transform with k-means clustering to detect mutually-occluded ellipses

Zhou, T. & Papanikolopoulos, N. P., Sep 8 2011, 2011 19th Mediterranean Conference on Control and Automation, MED 2011. p. 327-332 6 p. 5983040. (2011 19th Mediterranean Conference on Control and Automation, MED 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

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

Feature-based covariance matching for a moving target in multi-robot following

Min, H. J., Papanikolopoulos, N., Smith, C. E. & Morellas, V., Sep 8 2011, 2011 19th Mediterranean Conference on Control and Automation, MED 2011. p. 163-168 6 p. 5983102. (2011 19th Mediterranean Conference on Control and Automation, MED 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 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

Positive definite dictionary learning for region covariances

Sivalingam, R., Boley, D., Morellas, V. & Papanikolopoulos, N., Dec 1 2011, 2011 International Conference on Computer Vision, ICCV 2011. p. 1013-1019 7 p. 6126346. (Proceedings of the IEEE International Conference on Computer Vision).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

21 Scopus citations

Recognition of traitors in distributed robotic teams

Bird, N. & Papanikolopoulos, N. P., Dec 1 2011, 2011 IEEE International Conference on Robotics and Automation, ICRA 2011. p. 4798-4803 6 p. 5980445. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rethinking surveillance - Toward an interactive security model

Schumacher, J., Salehi, S., Hadjiyanni, T. & Papanikolopoulos, N. P., Sep 8 2011, 2011 19th Mediterranean Conference on Control and Automation, MED 2011. p. 688-693 6 p. 5983195

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Robotic tumbling locomotion

Hemes, B., Canelon, D., Dancs, J. & Papanikolopoulos, N., Dec 1 2011, 2011 IEEE International Conference on Robotics and Automation, ICRA 2011. p. 5063-5069 7 p. 5980330. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations

The multi-robot coverage problem for optimal coordinated search with an unknown number of robots

Min, H. J. & Papanikolopoulos, N. P., Dec 1 2011, 2011 IEEE International Conference on Robotics and Automation, ICRA 2011. p. 2866-2871 6 p. 5979995. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 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

A strategy for improving observability with mobile robots

Drenner, A., Janssen, M. & Papanikolopoulos, N. P., Aug 26 2010, 2010 IEEE International Conference on Robotics and Automation, ICRA 2010. p. 420-425 6 p. 5509198. (Proceedings - IEEE International Conference on Robotics and Automation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Breaking the interactive bottleneck in multi-class classification with active selection and binary feedback

Joshi, A. J., Porikli, F. & Papanikolopoulos, N. P., Aug 31 2010, 2010 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, CVPR 2010. p. 2995-3002 8 p. 5540047

Research output: Chapter in Book/Report/Conference proceedingConference contribution

21 Scopus citations