דניאל קרן - הפקולטה למדעי המחשב והמידע

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Geometric covering using random fields, Shahar, A., Keren, D., Gonçalves, F. & Yehuda, G., 19 Oct 2025, In: Theoretical Computer Science. 1052, 115431.
Efficient Polynomial Sum-Of-Squares Programming for Planar Robotic Arms, Keren, D., Shahar, A. & Poranne, R., 2024, 2024 IEEE International Conference on Robotics and Automation, ICRA 2024. Institute of Electrical and Electronics Engineers Inc., p. 9271-9277 7 p. (Proceedings - IEEE International Conference on Robotics and Automation).
A Fast and Reliable Solution to PnP, Using Polynomial Homogeneity and a Theorem of Hilbert, Keren, D., Osadchy, M. & Shahar, A., Jun 2023, In: Sensors. 23, 12, 5585.
Communication Efficient Algorithms for Bounding and Approximating the Empirical Entropy in Distributed Systems, Shahar, A., Alfassi, Y. & Keren, D., Nov 2022, In: Entropy. 24, 11, 1611.
The non-tightness of a convex relaxation to rotation recovery, Alfassi, Y., Keren, D. & Reznick, B., 1 Nov 2021, In: Sensors. 21, 21, 7358.
A distance-based scheme for reducing bandwidth in distributed geometric monitoring, Alfassi, Y., Gabel, M., Yehuda, G. & Keren, D., Apr 2021, Proceedings - 2021 IEEE 37th International Conference on Data Engineering, ICDE 2021. IEEE Computer Society, p. 1164-1175 12 p. 9458612. (Proceedings - International Conference on Data Engineering; vol. 2021-April).
LDA classifier monitoring in distributed streaming systems, Bernstein, R., Osadchy, M., Keren, D. & Schuster, A., Jan 2019, In: Journal of Parallel and Distributed Computing. 123, p. 156-167 12 p.
Scalable approximate query tracking over highly distributed data streams with tunable accuracy guarantees, Giatrakos, N., Deligiannakis, A., Garofalakis, M., Keren, D. & Samoladas, V., Jul 2018, In: Information Systems. 76, p. 59-87 29 p.
Monitoring Properties of Large, Distributed, Dynamic Graphs, Yehuda, G., Keren, D. & Akaria, I., 30 Jun 2017, Proceedings - 2017 IEEE 31st International Parallel and Distributed Processing Symposium, IPDPS 2017. Institute of Electrical and Electronics Engineers Inc., p. 2-11 10 p. 7967090. (Proceedings - 2017 IEEE 31st International Parallel and Distributed Processing Symposium, IPDPS 2017).
Monitoring least squares models of distributed streams, Gabel, M., Keren, D. & Schuster, A., 10 Aug 2015, KDD 2015 - Proceedings of the 21st ACM SIGKDD Conference on Knowledge Discovery and Data Mining. Association for Computing Machinery, p. 319-328 10 p. (Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery and Data Mining; vol. 2015-August).
Scalability issues in optimal assignment for carpooling, Knapen, L., Ben-Arroyo Hartman, I., Keren, D., Yasar, A. U. H., Cho, S., Bellemans, T., Janssens, D. & Wets, G., 1 May 2015, In: Journal of Computer and System Sciences. 81, 3, p. 568-584 17 p.
Clustering for monitoring distributed data streams, Barouti, M., Kogan, J., Malinovsky, Y. & Keren, D., 1 Jan 2015, Partitional Clustering Algorithms. Springer International Publishing, p. 387-415 29 p.
Geometric monitoring of heterogeneous streams, Keren, D., Sagy, G., Abboud, A., Ben-David, D., Schuster, A., Sharfman, I. & Deligiannakis, A., Aug 2014, In: IEEE Transactions on Knowledge and Data Engineering. 26, 8, p. 1890-1903 14 p., 6678505.
Exploiting graph-theoretic tools for matching in carpooling applications, Knapen, L., Yasar, A., Cho, S., Keren, D., Dbai, A. A., Bellemans, T., Janssens, D., Wets, G., Schuster, A., Sharfman, I. & Bhaduri, K., May 2014, In: Journal of Ambient Intelligence and Humanized Computing. 5, 3, p. 393-407 15 p.
Communication-efficient distributed online prediction by dynamic model synchronization, Kamp, M., Boley, M., Keren, D., Schuster, A. & Sharfman, I., 2014, Machine Learning and Knowledge Discovery in Databases - European Conference, ECML PKDD 2014, Proceedings. PART 1 ed. Springer Verlag, p. 623-639 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 8724 LNAI, no. PART 1).
Privacy-Preserving Distributed Stream Monitoring, Friedman, A., Sharfman, I., Keren, D. & Schuster, A., 2014.
Sketchbased geometric monitoring of distributed stream queries, Garofalakis, M., Keren, D. & Samoladas, V., Aug 2013, In: Proceedings of the VLDB Endowment. 6, 10, p. 937-948 12 p.
Planar shape interpolation with bounded distortion, Chen, R., Weber, O., Keren, D. & Ben-Chen, M., Jul 2013, In: ACM Transactions on Graphics. 32, 4, 108.
Safe zones for monitoring distributed streams, Keren, D., Sagy, G., Abboud, A., Ben-David, D., Sharfman, I. & Schuster, A., 2013, In: CEUR Workshop Proceedings. 1018, p. 7-12 6 p.
Estimating scalability issues while finding an optimal assignment for carpooling, Knapen, L., Keren, D., Yasar, A. U. H., Cho, S., Bellemans, T., Janssens, D. & Wets, G., 2013, In: Procedia Computer Science. 19, p. 372-379 8 p.
Hybrid classifiers for object classification with a rich background, Osadchy, M., Keren, D. & Fadida-Specktor, B., 2012, Computer Vision, ECCV 2012 - 12th European Conference on Computer Vision, Proceedings. PART 5 ed. p. 284-297 14 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7576 LNCS, no. PART 5).
Analysis of the co-routing problem in agent-based carpooling simulation, Knapen, L., Keren, D., Yasar, A. U. H., Cho, S., Bellemans, T., Janssens, D. & Wets, G., 2012, In: Procedia Computer Science. 10, p. 821-826 6 p.
3D surface reconstruction using a generalized distance function, Poranne, R., Gotsman, C. & Keren, D., Dec 2010, In: Computer Graphics Forum. 29, 8, p. 2479-2491 13 p.
Distributed threshold querying of general functions by a difference of monotonic representation, Sagy, G., Keren, D., Sharfman, I. & Schuster, A., Nov 2010, In: Proceedings of the VLDB Endowment. 4, 2, p. 46-57 12 p.
A geometric approach to monitoring threshold functions over distributed data streams, Sharfman, I., Schuster, A. & Keren, D., 2010, Ubiquitous Knowledge Discovery - Challenges, Techniques, Applications. May, M. & Saitta, L. (eds.). p. 163-186 24 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6202 LNAI).
Facial expressions in various emotional states in congenitally blind and sighted subjects, Peleg, G., Katzir, G., Peleg, O., Kamara, M., Brodsky, L., Hel-Or, H., Keren, D. & Nevo, E., 2009, In: Israel Journal of Ecology and Evolution. 55, 1, p. 11-30 20 p.
Applying two-pixel features to face detection, Ido, N., Daniel, K. & Werman, M., 2008, SITIS 2008 - Proceedings of the 4th International Conference on Signal Image Technology and Internet Based Systems. p. 65-69 5 p. 4725788. (SITIS 2008 - Proceedings of the 4th International Conference on Signal Image Technology and Internet Based Systems).
Shape sensitive geometric monitoring, Sharfman, I., Schuster, A. & Keren, D., 2008, PODS'08: Proceedings of the 27th ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems 2008. Association for Computing Machinery (ACM), p. 301-310 10 p. (Proceedings of the ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems).
A geometric approach to monitoring threshold functions over distributed data streams, Sharfman, I., Schuster, A. & Keren, D., 1 Nov 2007, In: ACM Transactions on Database Systems. 32, 4, 23.
A new measure of symmetry and its application to classification of bifurcating structures, Milner, D., Raz, S., Hel-Or, H., Keren, D. & Nevo, E., Aug 2007, In: Pattern Recognition. 40, 8, p. 2237-2250 14 p.
A geometric approach to monitoring threshold functions over distributed data streams, Sharfman, I., Schuster, A. & Keren, D., 2006, SIGMOD 2006 - Proceedings of the ACM SIGMOD International Conference on Management of Data. p. 301-312 12 p. (Proceedings of the ACM SIGMOD International Conference on Management of Data).
Topologically Faithful Fitting of Simple Closed Curves, Keren, D., Jan 2004, In: IEEE Transactions on Pattern Analysis and Machine Intelligence. 26, 1, p. 118-123 6 p.
Bayesian-Based Motion Estimation with Flat Priors, Keren, D., 2004, In: Bayesian Inference and Maximum Entropy Methods. 2, p. 153–160
Recovery of epipolar geometry as a manifold fitting problem, Goshen, L., Shimshoni, I., Anandan, P. & Keren, D., 2003, In: Proceedings of the IEEE International Conference on Computer Vision. 2, p. 1321-1328 8 p.
Anti-sequences: Event detection by frame stacking, Osadchy, M., Keren, D. & Gal, Y., 2001, In: Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition. 2, p. II46-II51
Recognizing 3D objects using tactile sensing and curve invariants, Keren, D., Rivlin, E., Shimshoni, I. & Weiss, I., Feb 2000, In: Journal of Mathematical Imaging and Vision. 12, 1, p. 5-23 19 p.
Topology preserving inside-outside functions for simple closed curves, Ben-Bassat, L. & Keren, D., 2000, 21st IEEE Convention of the Electrical and Electronic Engineers in Israel, Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 110-113 4 p. 924337. (21st IEEE Convention of the Electrical and Electronic Engineers in Israel, Proceedings).
Full Bayesian approach to curve and surface reconstruction, Keren, D. & Werman, M., 1999, In: Journal of Mathematical Imaging and Vision. 11, 1, p. 27-43 17 p.
Tight Fitting of Convex Polyhedral Shapes, Gotsman, C. & Keren, D., 1998, In: International Journal of Shape Modeling. 4, p. 111-126
Recovering Surface Invariants from Curves, KEREN, D., Rivlin, E. & SHIMSHONI, I., 1998, Proc. DARPA Image Understanding Workshop. p. 1221–1228
Restoring subsampled color images, Keren, D. & Osadchy, M., 1998, In: Machine Vision and Applications. 11, 4, p. 197-202 6 p.
New Approach to the Arc Length Parameterization Problem, Gill, J. & Keren, D., 1997, Spring Conference on Computer Graphics. p. 27-35
Using Color Correlation To Improve Restoration of Color Images, Keren, D., Gotlib, A. & Hel-Or, H., 1996, International Workshop on Image and Signal Processing. B. G. M. & P. L. (eds.). p. 603-607
Data-Driven Priors for Hyperparameters in Regularization, Keren, D. & Werman, M., 1995, In: Maximum Entropy and Bayesian Methods. 79, p. 77-85
Recognizing Groups of Curves Based on New Affine Mutual Geometric Invariants, with Applications to Recognizing Intersecting Roads in Aerial Images, Barzohar, M., Keren, D. & Cooper, D. B., 1994, In: Proceedings - International Conference on Pattern Recognition. 1, p. 205-209 5 p.
Recognizing Groups of Curves Based on New Affine Mutual Geometric, Invariants, with Applications to Recognizing Intersecting Roads in Aerial Images, BarZohar, M., Keren, D. & Cooper, D. B., 1994, Proceedings of 12th International Conference on Pattern Recognition. IEEE, p. 205-209
A Bayesian framework for regularization, Keren, D. & Werman, M., 1994, Conference C: Signal Processing and Conference D: Parallel Computing. Institute of Electrical and Electronics Engineers Inc., p. 72-76 5 p. (Proceedings - International Conference on Pattern Recognition; vol. 3).
Probabilistic Analysis of Regularization, Keren, D. & Werman, M., Oct 1993, In: IEEE Transactions on Pattern Analysis and Machine Intelligence. 15, 10, p. 982-995 14 p.
Computing correspondence based on regions and invariants without feature extraction and segmentation, Lee, C. Y., Cooper, D. B. & Keren, D., 1993, IEEE Computer Vision and Pattern Recognition. Anon (ed.). Publ by IEEE, p. 655-656 2 p. (IEEE Computer Vision and Pattern Recognition).
Motion based segmentation, Rom, H., Peleg, S. & Keren, D., 1989.

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