Georgios Fellouris

Search results

• 2022

  Asymptotically optimal multistage tests for iid data

  Xing, Y. & Fellouris, G., 2022, 2022 IEEE International Symposium on Information Theory, ISIT 2022. Institute of Electrical and Electronics Engineers Inc., p. 2985-2990 6 p. (IEEE International Symposium on Information Theory - Proceedings; vol. 2022-June).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Asymptotically Optimal 100%
  • Error Probability 52%
  • Sequential Test 30%
  • Asymptotic Optimality 29%
  • Random Element 28%

• CuSum for sequential change diagnosis

  Warner, A. & Fellouris, G., 2022, 2022 IEEE International Symposium on Information Theory, ISIT 2022. Institute of Electrical and Electronics Engineers Inc., p. 486-491 6 p. (IEEE International Symposium on Information Theory - Proceedings; vol. 2022-June).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Isolation 100%
  • Cumulative Sum 99%
  • False 55%
  • False Alarm Rate 40%
  • Alternatives 34%

• Quickest Change Detection with Controlled Sensing

  Fellouris, G. & Veeravalli, V. V., 2022, 2022 IEEE International Symposium on Information Theory, ISIT 2022. Institute of Electrical and Electronics Engineers Inc., p. 1921-1926 6 p. (IEEE International Symposium on Information Theory - Proceedings; vol. 2022-June).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Change Detection 100%
  • Sensing 92%
  • False Alarm 46%
  • Minimax Criterion 17%
  • Parametric Uncertainty 16%

• Sequential anomaly detection under sampling constraints

  Tsopelakos, A. & Fellouris, G., 2022, (Accepted/In press) In: IEEE Transactions on Information Theory. p. 1 1 p.

  Research output: Contribution to journal › Article › peer-review

  • Sampling 67%
  • time 33%
  • tolerance 17%
• 2021

  Sequential Change Detection of a Correlation Structure under a Sampling Constraint

  Chaudhuri, A., Fellouris, G. & Tajer, A., Jul 12 2021, 2021 IEEE International Symposium on Information Theory, ISIT 2021 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 605-610 6 p. (IEEE International Symposium on Information Theory - Proceedings; vol. 2021-July).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Change Detection 97%
  • Correlation Structure 77%
  • False Alarm Rate 47%
  • Sampling 45%
  • Prior Information 18%
• 2020

  Sequential anomaly detection with observation control under a generalized error metric

  Tsopelakos, A. & Fellouris, G., Jun 2020, 2020 IEEE International Symposium on Information Theory, ISIT 2020 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1165-1170 6 p. 9174081. (IEEE International Symposium on Information Theory - Proceedings; vol. 2020-June).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Anomaly Detection 100%
  • Sampling 45%
  • Observation 41%
  • Sample Size 24%
  • Decision Rules 19%

• Sequential Detection and Isolation of a Correlated Pair

  Chaudhuri, A. & Fellouris, G., Jun 2020, 2020 IEEE International Symposium on Information Theory, ISIT 2020 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1141-1146 6 p. 9174318. (IEEE International Symposium on Information Theory - Proceedings; vol. 2020-June).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Isolation 78%
  • Sequential Testing 30%
  • False Alarm 29%
  • Error Control 26%
  • Error Rate 24%
• 2019

  Quickest change detection under transient dynamics: Theory and asymptotic analysis

  Zou, S., Fellouris, G. & Veeravalli, V. V., Mar 2019, In: IEEE Transactions on Information Theory. 65, 3, p. 1397-1412 16 p., 8509641.

  Research output: Contribution to journal › Article › peer-review

  • Asymptotic analysis 100%

• Sequential anomaly detection with observation control

  Tsopelakos, A., Fellouris, G. & Veeravalli, V. V., Jul 2019, 2019 IEEE International Symposium on Information Theory, ISIT 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 2389-2393 5 p. 8849555. (IEEE International Symposium on Information Theory - Proceedings; vol. 2019-July).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Anomaly Detection 100%
  • Error Probability 48%
  • Sampling 45%
  • Observation 41%
  • Asymptotic Optimality 26%

• Sequential multiple testing with generalized error control: An asymptotic optimality theory ¹

  Song, Y. & Fellouris, G., Jan 2019, In: Annals of Statistics. 47, 3, p. 1776-1803 28 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Asymptotic Optimality 100%
  • Sequential Testing 66%
  • Error Control 57%
  • Sample Size 43%
  • Data Streams 33%

• Statistical Foundations for Computerized Adaptive Testing with Response Revision

  Wang, S., Fellouris, G. & Chang, H. H., Jun 15 2019, In: Psychometrika. 84, 2, p. 375-394 20 p.

  Research output: Contribution to journal › Article › peer-review

  • Test Taking Skills 100%
  • Adaptive Testing 77%
  • Efficiency 54%
  • Psychometrics 47%
  • Aptitude 34%
• 2018

  Efficient Byzantine Sequential Change Detection

  Fellouris, G., Bayraktar, E. & Lai, L., May 2018, In: IEEE Transactions on Information Theory. 64, 5, p. 3346-3360 15 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Sensors 100%
  • simulation 38%
  • scenario 35%
  • time 17%
• 2017

  Asymptotically optimal, sequential, multiple testing procedures with prior information on the number of signals

  Song, Y. & Fellouris, G., 2017, In: Electronic Journal of Statistics. 11, 1, p. 338-363 26 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Prior Information 98%
  • Asymptotically Optimal 85%
  • Error Probability 60%
  • Sample Size 36%
  • Observation 35%

• Asymptotic optimality of D-CuSum for quickest change detection under transient dynamics

  Zou, S., Fellouris, G. & Veeravalli, V. V., Aug 9 2017, 2017 IEEE International Symposium on Information Theory, ISIT 2017. Institute of Electrical and Electronics Engineers Inc., p. 2263-2267 5 p. 8006932. (IEEE International Symposium on Information Theory - Proceedings).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Transient Dynamics 100%
  • Change Detection 96%
  • Asymptotic Optimality 81%
  • Cumulative Sum 77%
  • False Alarm 44%

• Computerized adaptive testing that allows for response revision: Design and asymptotic theory

  Wang, S., Fellouris, G. & Chang, H. H., Oct 2017, In: Statistica Sinica. 27, 4, p. 1987-2010 24 p.

  Research output: Contribution to journal › Article › peer-review

  • Adaptive Testing 100%
  • Design Theory 89%
  • Asymptotic Theory 86%
  • Design 40%
  • Strong Consistency 20%

• Multichannel sequential detection-part I: Non-i.i.d. data

  Fellouris, G. & Tartakovsky, A. G., Jul 2017, In: IEEE Transactions on Information Theory. 63, 7, p. 4551-4571 21 p., 7890469.

  Research output: Contribution to journal › Article › peer-review

  • Importance sampling 100%
  • Signal detection 86%
  • Stochastic models 84%
  • Hidden Markov models 78%
  • Data streams 78%

• Multistream quickest change detection: Asymptotic optimality under a sparse signal

  Fellouris, G., Moustakides, G. V. & Veeravalli, V. V., Jun 16 2017, 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 6444-6447 4 p. 7953397. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Sensors 100%
  • Asymptotic analysis 85%

• Scalable multichannel joint sequential change detection and isolation

  Banerjee, S. & Fellouris, G., Aug 9 2017, 2017 IEEE International Symposium on Information Theory, ISIT 2017. Institute of Electrical and Electronics Engineers Inc., p. 3095-3099 5 p. 8007099. (IEEE International Symposium on Information Theory - Proceedings).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Change Detection 97%
  • Isolation 78%
  • Change Point 74%
  • False Alarm Rate 47%
  • Unknown 42%
• 2016

  Decentralized sequential change detection with ordered CUSUMs

  Banerjee, S. & Fellouris, G., Aug 10 2016, Proceedings - ISIT 2016; 2016 IEEE International Symposium on Information Theory. Institute of Electrical and Electronics Engineers Inc., p. 36-40 5 p. 7541256. (IEEE International Symposium on Information Theory - Proceedings; vol. 2016-August).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Change Detection 97%
  • Decentralized 84%
  • Cumulative Sum 78%
  • Sensor 76%
  • Fusion 39%

• Discussion on “Sequential detection/isolation of abrupt changes” by Igor V. Nikiforov

  Fellouris, G., Jul 2 2016, In: Sequential Analysis. 35, 3, p. 311-315 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Isolation 78%
  • Scenarios 59%
  • Change Detection 48%
  • Asymptotic Optimality 41%
  • Design 20%

• Logarithmically efficient simulation for misclassification probabilities in sequential multiple testing

  Song, Y. & Fellouris, G., Jul 2 2016, 2016 Winter Simulation Conference: Simulating Complex Service Systems, WSC 2016. Roeder, T. M., Frazier, P. I., Szechtman, R. & Zhou, E. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 314-325 12 p. 7822099. (Proceedings - Winter Simulation Conference; vol. 0).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Misclassification Probability 100%
  • Sequential Testing 90%
  • Test Statistic 56%
  • Testing 46%
  • Simulation 41%

• Second-Order Asymptotic Optimality in Multisensor Sequential Change Detection

  Fellouris, G. & Sokolov, G., Jun 2016, In: IEEE Transactions on Information Theory. 62, 6, p. 3662-3675 14 p., 7445238.

  Research output: Contribution to journal › Article › peer-review

  • Sensors 100%
  • simulation 51%
  • time 45%

• Sequential detection of learning in cognitive diagnosis

  Ye, S., Fellouris, G., Culpepper, S. & Douglas, J., May 1 2016, In: British Journal of Mathematical and Statistical Psychology. 69, 2, p. 139-158 20 p.

  Research output: Contribution to journal › Article › peer-review

  • Learning 59%
  • Skills 38%
  • learning 22%
  • Attribute 20%
  • Change Point 17%
• 2013

  Almost optimal sequential tests of discrete composite hypotheses

  Fellouris, G. & Tartakovsky, A. G., Jul 2013, In: Statistica Sinica. 23, 4, p. 1717-1741 25 p.

  Research output: Contribution to journal › Article › peer-review

  • Sequential Test 100%
  • Likelihood Ratio Statistic 64%
  • Prior distribution 64%
  • Sample Size 58%
  • Asymptotic Optimality 44%

• Optimal sequential change detection for fractional diffusion-type processes

  Chronopoulou, A. & Fellouris, G., Mar 2013, In: Journal of Applied Probability. 50, 1, p. 29-41 13 p.

  Research output: Contribution to journal › Article › peer-review

  • Change Detection 100%
  • CUSUM Test 97%
  • Fractional Diffusion 73%
  • Optimise 31%
  • Stochastic Processes 25%

• Unstructured sequential testing in sensor networks

  Fellouris, G. & Tartakovsky, A., 2013, 2013 IEEE 52nd Annual Conference on Decision and Control, CDC 2013. Institute of Electrical and Electronics Engineers Inc., p. 4784-4789 6 p. 6760639. (Proceedings of the IEEE Conference on Decision and Control).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Sequential Testing 98%
  • Sensor 62%
  • Sensor networks 61%
  • Sequential Test 46%
  • Testing 36%
• 2012

  Nearly Minimax One-Sided Mixture-Based Sequential Tests

  Fellouris, G. & Tartakovsky, A. G., Jul 2012, In: Sequential Analysis. 31, 3, p. 297-325 29 p.

  Research output: Contribution to journal › Article › peer-review

  • Sequential Test 100%
  • Minimax 72%
  • Stopping Rule 45%
  • Asymptotic Approximation 41%
  • Alternatives 35%
• 2011

  Decentralized sequential hypothesis testing using asynchronous communication

  Fellouris, G. & Moustakides, G. V., Jan 2011, In: IEEE Transactions on Information Theory. 57, 1, p. 534-548 15 p., 5673703.

  Research output: Contribution to journal › Article › peer-review

  • communication 46%
  • Testing 44%
  • Sensors 44%
  • Communication 43%
  • Random processes 23%
• 2008

  Asymptotically optimum tests for decentralized sequential testing in continuous time

  Fellouris, G. & Moustakides, G. V., 2008, Proceedings of the 11th International Conference on Information Fusion, FUSION 2008. 4632360. (Proceedings of the 11th International Conference on Information Fusion, FUSION 2008).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Sequential Probability Ratio Test 100%
  • Sequential Testing 97%
  • Decentralized 90%
  • Continuous Time 60%
  • Fusion 56%