Search Results - "Keren, Daniel"

A Fast and Reliable Solution to PnP, Using Polynomial Homogeneity and a Theorem of Hilbert by Keren, Daniel, Osadchy, Margarita, Shahar, Amit

“…One of the most-extensively studied problems in three-dimensional Computer Vision is "Perspective-n-Point" (PnP), which concerns estimating the pose of a…”
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The Non-Tightness of a Convex Relaxation to Rotation Recovery by Alfassi, Yuval, Keren, Daniel, Reznick, Bruce

“…We study the Perspective-n-Point (PNP) problem, which is fundamental in 3D vision, for the recovery of camera translation and rotation. A common solution…”
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Communication Efficient Algorithms for Bounding and Approximating the Empirical Entropy in Distributed Systems by Shahar, Amit, Alfassi, Yuval, Keren, Daniel

“…The empirical entropy is a key statistical measure of data frequency vectors, enabling one to estimate how diverse the data are. From the computational point…”
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Hereditary Family Signature of Facial Expression by Peleg, Gili, Katzir, Gadi, Peleg, Ofer, Kamara, Michal, Brodsky, Leonid, Hel-Or, Hagit, Keren, Daniel, Nevo, Eviatar

“…Although facial expressions of emotion are universal, individual differences create a facial expression "signature" for each person; but, is there a unique…”
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Recognition Using Hybrid Classifiers by Osadchy, Margarita, Keren, Daniel, Raviv, Dolev

“…A canonical problem in computer vision is category recognition (e.g., find all instances of human faces, cars etc., in an image). Typically, the input for…”
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LDA classifier monitoring in distributed streaming systems by Bernstein, Ran, Osadchy, Margarita, Keren, Daniel, Schuster, Assaf

“…An important problem in real systems for mining data streams is to detect changes in the dynamic model describing the temporal data. Such changes indicate that…”
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Scalable approximate query tracking over highly distributed data streams with tunable accuracy guarantees by Giatrakos, Nikos, Deligiannakis, Antonios, Garofalakis, Minos, Keren, Daniel, Samoladas, Vasilis

“…•We detail scalability issues of GM monitoring [5] in highly distributed networks.•We propose sampling-based tracking schemes with tunable accuracy…”
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Shape Sensitive Geometric Monitoring by Keren, D., Sharfman, I., Schuster, A., Livne, A.

“…An important problem in distributed, dynamic databases is to continuously monitor the value of a function defined on the nodes, and check that it satisfies…”
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Geometric Monitoring of Heterogeneous Streams by Keren, Daniel, Sagy, Guy, Abboud, Amir, Ben-David, David, Schuster, Assaf, Sharfman, Izchak, Deligiannakis, Antonios

“…Interest in stream monitoring is shifting toward the distributed case. In many applications the data is high volume, dynamic, and distributed, making it…”
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The two critical temperatures conundrum in La$_{1.83}$Sr$_{0.17}$CuO$_4 by Abhisek Samanta, Itay Mangel, Amit Keren, Daniel P. Arovas, Assa Auerbach

“…The in-plane and out-of-plane superconducting stiffness of ${\rm La}^{\vphantom{\dagger}}_{1.83}{\rm Sr}^{\vphantom{\dagger}}_{0.17}{\rm…”
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A Distance-Based Scheme for Reducing Bandwidth in Distributed Geometric Monitoring by Alfassi, Yuval, Gabel, Moshe, Yehuda, Gal, Keren, Daniel

“…Tracking the value of a function computed from a dynamic, distributed data stream is a challenging problem with many real-world applications. Continuously…”
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A Probabilistic Method for Point Matching in the Presence of Noise and Degeneracy by Keren, Daniel

“…The Bayesian method is widely used in image processing and computer vision to solve ill-posed problems. This is commonly achieved by introducing a prior which,…”
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A Probabilistic Approach to Pattern Matching in the Continuous Domain by Keren, Daniel, Werman, Michael, Feinberg, Joshua

“…The goal of this paper is to solve the following basic problem: Given discrete noisy samples from a continuous signal, compute the probability distribution of…”
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Recognizing image “style” and activities in video using local features and naive Bayes by Keren, Daniel

“…The goal of this paper is to offer a framework for classification of images and video according to their “type”, or “style”––a problem which is hard to define,…”
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Scalability issues in optimal assignment for carpooling by Knapen, Luk, Ben-Arroyo Hartman, Irith, Keren, Daniel, Yasar, Ansar-Ul-Haque, Cho, Sungjin, Bellemans, Tom, Janssens, Davy, Wets, Geert

“…Carpooling for commuting can save cost and helps in reducing pollution. An automatic Web based Global CarPooling Matching Service (GCPMS) for matching…”
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Applying Property Testing to an Image Partitioning Problem by Kleiner, I, Keren, D, Newman, I, Ben-Zwi, O

“…Property testing is a rapidly growing field of research. Typically, a property testing algorithm proceeds by quickly determining whether an input can satisfy…”
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A practical, fast method for solving sum-of-squares problems for very large polynomials by Keren, Daniel, Osadchy, Margarita, Poranne, Roi

“…Sum of squares (SOS) optimization is a powerful technique for solving problems where the positivity of a polynomials must be enforced. The common approach to…”
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Top- k vectorial aggregation queries in a distributed environment by Sagy, Guy, Sharfman, Izchak, Keren, Daniel, Schuster, Assaf

“…Given a large set of objects in a distributed database, the goal of a top- k query is to determine the top- k scoring objects and return them to the user…”
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Efficient Polynomial Sum-Of-Squares Programming for Planar Robotic Arms by Keren, Daniel, Shahar, Amit, Poranne, Roi

“…Collision-avoiding motion planning for articulated robotic arms is one of the major challenges in robotics. The difficulty of the problem arises from its high…”
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Exploiting graph-theoretic tools for matching in carpooling applications by Knapen, Luk, Yasar, Ansar, Cho, Sungjin, Keren, Daniel, Dbai, Abed Abu, Bellemans, Tom, Janssens, Davy, Wets, Geert, Schuster, Assaf, Sharfman, Izchak, Bhaduri, Kanishka

“…An automatic service to match commuting trips has been designed. Candidate carpoolers register their personal profile and a set of periodically recurring…”
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