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121 results on '"Karandikar R"'

1. Fingerprint Liveness Detection Using Wavelet-Based Completed LBP Descriptor

Author

Kundargi, Jayshree, Karandikar, R. G., Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Chaudhuri, Bidyut B., editor, Kankanhalli, Mohan S., editor, and Raman, Balasubramanian, editor

Published
2018
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2. Integrating Liveness Detection Technique into Fingerprint Recognition System: A Review of Various Methodologies Based on Texture Features

Author

Kundargi, Jayshree, Karandikar, R. G., Kacprzyk, Janusz, Series editor, Pal, Nikhil R., Advisory editor, Bello Perez, Rafael, Advisory editor, Corchado, Emilio S., Advisory editor, Hagras, Hani, Advisory editor, Kóczy, László T., Series editor, Kreinovich, Vladik, Advisory editor, Lin, Chin-Teng, Advisory editor, Lu, Jie, Advisory editor, Melin, Patricia, Advisory editor, Nedjah, Nadia, Advisory editor, Nguyen, Ngoc Thanh, Advisory editor, Wang, Jun, Advisory editor, Sa, Pankaj Kumar, editor, Sahoo, Manmath Narayan, editor, Murugappan, M., editor, Wu, Yulei, editor, and Majhi, Banshidhar, editor

Published
2018
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5. Séminaire de Probabilités LI

Author

Karandikar, R. L., Rao, B. V., Leuridan, Christophe, Vidmar, Matija, Miclo, Laurent, Patie, Pierre, Bernou, Armand, Caballero, Maria-Emilia, Rouault, Alain, Dedecker, Jérôme, Merlevède, Florence, Rio, Emmanuel, Brosset, Fabien, Klein, Thierry, Lagnoux, Agnès, Petit, Pierre, Marinelli, Carlo, Scarpa, Luca, Castaing, Charles, Marie, Nicolas, Fitte, Paul Raynaud De, Attal, Stéphane, Deschamps, Julien, Pellegrini, Clément, Eisenbaum, Nathalie, Chennai Mathematical Institute [Inde], Institut Fourier (IF), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Department of Mathematics (University of Ljubljana), University of Ljubljana, Toulouse School of Economics (TSE-R), Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-École des hautes études en sciences sociales (EHESS)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), School of Operations Research and Information Engineering (ORIE), Cornell University [New York], Laboratoire Jacques-Louis Lions (LJLL (UMR_7598)), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Instituto de Matematicas (UNAM), Universidad Nacional Autónoma de México = National Autonomous University of Mexico (UNAM), Laboratoire de Mathématiques de Versailles (LMV), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Mathématiques Appliquées Paris 5 (MAP5 - UMR 8145), Université Paris Descartes - Paris 5 (UPD5)-Institut National des Sciences Mathématiques et de leurs Interactions (INSMI)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Analyse et Mathématiques Appliquées (LAMA), Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS)-Université Gustave Eiffel, Institut de Mathématiques de Toulouse UMR5219 (IMT), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées (INSA)-Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), Ecole Nationale de l'Aviation Civile (ENAC), University College of London [London] (UCL), Faculty of Mathematics [Vienna], University of Vienna [Vienna], Université de Montpellier (UM), Modélisation aléatoire de Paris X (MODAL'X), Université Paris Nanterre (UPN), Laboratoire de Mathématiques Raphaël Salem (LMRS), Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS), Institut Camille Jordan [Villeurbanne] (ICJ), École Centrale de Lyon (ECL), Université de Lyon-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Jean Monnet [Saint-Étienne] (UJM)-Centre National de la Recherche Scientifique (CNRS), Università degli studi di Genova = University of Genoa (UniGe), Institut National des Sciences Mathématiques et de leurs Interactions (INSMI)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Donati-Martin, Catherine, Lejay, Antoine, Rouault, Alain, Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT)-Université de Toulouse (UT)-École des hautes études en sciences sociales (EHESS)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Institut Camille Jordan (ICJ), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS), Équations aux dérivées partielles, analyse (EDPA), and Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS)-École Centrale de Lyon (ECL)

Subjects
[MATH.MATH-PR]Mathematics [math]/Probability [math.PR], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2022
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36. UWB ANTENNA WITH RECONFIGURABLE TRIPLE BAND NOTCHED CHARACTERISTICS FOR COGNITIVE RADIO.

Author

Kholapure, Anudeepa S. and Karandikar, R. G.

Subjects
MONOPOLE antenna arrays, COGNITIVE radio, RADIO transmitter-receivers
Abstract

A novel printed circular monopole antenna with bandwidth more than ultra- wide band along with reconfigurable single, dual and triple notch band is presented. The antenna provides bandwidth of 3.04 - 17.2 GHz by generating additional resonances towards higher end with modified ground structure. Moreover, the reconfigurable notches at WiMAX, WLAN and downlink of X band satellite communication are designed using slot technique to reduce interference at these wireless services if present. Thus, designed antenna provides a good solution for spectrum sensing and dynamic spectrum access as required in cognitive radios. The reconfiguration of notch bands is experimented using 0 ohm surface mounted resistors to show RF switching. [ABSTRACT FROM AUTHOR]

Published
2017
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37. ROBUST ALGORITHM FOR DIGITIZATION OF DEGRADED ELECTROCARDIOGRAM PAPER RECORDS.

Author

Patil, Rupali and Karandikar, R. G.

Subjects
ELECTROCARDIOGRAPHY, HEART abnormalities, ALGORITHMS
Abstract

Electrocardiogram (ECG) paper records are used commonly for diagnosing heart abnormalities. The stored ECG paper records are recorded on thermal paper and may face ink evaporation problem over the time. Generally, to overcome this problem ECG paper record is scanned and stored as an image. However, the addition of noise during scanning such as low resolution scan, blurring, folding of paper, nonuniform lighting, orientation etc. can create difficulty in information retrieval. Current work robustly handles various degradation problems encountered in ECG paper scanning using modified k-fill algorithm. The proposed algorithm is tested with 836 ECG paper recordings with different types of degradations like aging effect, folding effect, ink evaporation effect, blurring effect and low resolution effect. We extracted clinically important parameters such as heart rate etc. with accuracy of 97.33% and abnormalities such as bradycardia, tachycardia, and atrial flutter from the ECG paper records using perceptual spectral centroid method. Overall accuracy of our prediction algorithm was found out to be 98.6%. We assume our work would be low cost, preliminary expert mechanism at rural places in the absence of expert cardiologist. [ABSTRACT FROM AUTHOR]

Published
2017
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39. Markov Property and Ergodicity of the Nonlinear Filter

Author

Bhatt, A. G., Karandikar, R. L., and Budhiraja, A.

Abstract

In this paper we first prove, under quite general conditions, that the nonlinear filter and the pair (signal, filter) are Feller-Markov processes. The state space of the signal is allowed to be nonlocally compact and the observation function h can be unbounded. Our proofs, in contrast to those of Kunita [J. Multivariate Anal., 1 (1971), pp. 365-393; Spatial Stochastic Processes, Birkhauser, 1991, pp. 233-256] and Stettner [Stochastic Differential Equations, Springer-Verlag, 1989, pp. 279-292], do not depend upon the uniqueness of the solutions to the filtering equations. We then obtain conditions for existence and uniqueness of invariant measures for the nonlinear filter and the pair process. These results extend those of Kunita and Stettner, which hold for locally compact state space and bounded h, to our general framework. Finally we show that the recent results of Ocone and Pardoux [SIAM J. Control Optim., 34 (1996), pp. 226-243] on asymptotic stability of the nonlinear filter, which use the Kunita-Stettner setup, hold for the general situation considered in this paper.

Published
2000
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40. Jump Classification with Age and Gender Detection

Author

Ghadekar Premanand, Karandikar Riddhi, Pawar Janhvai, Sangle Prithviraj, Patil Parth, and Patle Parul

Subjects
Information technology, T58.5-58.64
Abstract

The major issue is being able to identify human behaviour. The main issue for video categorization systems is common human actions in videos. For instance, a running motion will be included in a long jump or running sports film. Due to its multiple applications in areas like person monitoring, human-to-object interaction, and more, human action recognition is a crucial study subject in the science of computer vision. The computer vision community finds the video classification problem to be very difficult. The main reason that the video categorization problem is so challenging is the shared activities that are seen in the video. A high jump sports film, for instance, combines two distinct actions—running and high jumping—that are also shown in other videos, like running or hurdling sports videos. With just one frame that captures the specific action of the event, the human brain can quickly identify the correct occurrence in a film. By removing a few significant frames from the video and using those frames to conduct the classification procedure, the same premise may also be used in video classification systems.

Published
2023
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43. Evolving Aspirations and Cooperation

Author

Karandikar, R., Mookherjee, D., Ray, Debraj, Vega-Redondo, Fernando, Karandikar, R., Mookherjee, D., Ray, Debraj, and Vega-Redondo, Fernando

Abstract

A 2×2 game is played repeatedly by two satisficing players. The game considered includes the Prisoner's Dilemma, as well as games of coordination and common interest. Each player has anaspirationat each date, and takes an action. The action is switched at the subsequent period only if the achieved payoff falls below aspirations; the switching probability depends on the shortfall. Aspirations are periodically updated according to payoff experience, but are occasionally subject to trembles. For sufficiently slow updating of aspirations and small tremble probability, it is shown that both players must ultimately cooperate most of the time.Journal of Economic LiteratureClassification Numbers C72, D83. © 1998 Academic Press.

Published
1998

48. Interacting Hilbert Space Valued Stochastic Differential Equations and Propagation of Chaos

Author

NORTH CAROLINA UNIV AT CHAPEL HILL CENTER FOR STOCHASTIC PROCESSES, Kallianpur, G., Karandikar, R. L., NORTH CAROLINA UNIV AT CHAPEL HILL CENTER FOR STOCHASTIC PROCESSES, Kallianpur, G., and Karandikar, R. L.

Abstract

Interacting Hilbert space valued stochastic differential equations are studied as an extension of Funaki's model for random strings to a system of interacting strings. The martingale problem for the corresponding McKean-Vlasov equation is solved. Special results when H = L squared (G), G, a bounded domain in real numbers are obtained. Keywords: Mathematical equations/models, Differential equations.

Published
1990

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