Recent Publications and Presentations

PEER-REVIEWED PUBLICATIONS

M. K. Turkcan et al., “A Computer Vision Testbed for New York City Street Intersections,” presented at the CVPR 2024 Demos, Seattle, Jun. 17, 2024.

S. Choksi et al., “Bringing Artificial Intelligence to the Operating Room,” Edge Computing For Real Time Surgical Phase Recogntion.

S. Choksi et al., “Bringing Artificial Intelligence to the operating room: edge computing for real-time surgical phase recognition,” Surg Endosc, vol. 37, no. 11, pp. 8778–8784, Nov. 2023, doi: 10.1007/s00464-023-10322-4.

M. K. Turkcan et al., “Constellation Dataset: Benchmarking High-Altitude Object Detection for an Urban Intersection,” 2024, arXiv. doi: 10.48550/ARXIV.2404.16944.

C. Zang, M. K. Turkcan, G. Zussman, J. Ghaderi, and Z. Kostic, “Data-Driven Traffic Simulation for an Intersection in a Metropolis,” in The First Workshop on Populating Empty Cities – Virtual Humans for Robotics and Autonomous Driving at CVPR 2024, 2024. [Online]. Available: https://openreview.net/forum?id=4f2HOLWzqu

C. Zang, M. K. Turkcan, G. Zussman, J. Ghaderi, and Z. Kostić, “Evaluating Trajectory Forecasting Models for a New York City Street Intersection,” presented at the Data Science Day 2024, Columbia University, New York, Apr. 05, 2024.

W. Ho, M. K. Turkcan, J. Ghaderi, G. Zussman, and Z. Kostić, “Evaluating Zero-Shot Image Tagging for Urban Traffic Intersection Scenes,” presented at the Visual Anomaly and Novelty Detection Work Shop at CVPR 2024, Seattle, Jun. 17, 2024.

B. Castleman and M. K. Turkcan, “Examining the Influence of Varied Levels of Domain Knowledge Base Inclusion in GPT-based Intelligent Tutors,” 2023, arXiv. doi: 10.48550/ARXIV.2309.12367.

M. K. Turkcan et al., “Integrated Object Detection, Tracking and Trajectory Forecasting for a New York City Street Intersection,” IDC Smart Cities Award.

M. Zolnoori et al., “Is the patient speaking or the nurse? Automatic speaker type identification in patient–nurse audio recordings,” Journal of the American Medical Informatics Association, vol. 30, no. 10, pp. 1673–1683, Sep. 2023, doi: 10.1093/jamia/ocad139.

Z. Kostić, “Real Time for Urban Streetscape Video-Based Applications,” presented at the The 20th Embedded Vision Workshop at CVPR 20244, Seattle, Jun. 17, 2024.

M. Ghasemi et al., “Real-time Multi-Camera Analytics for Traffic Information Extraction and Visualization,” in 2023 IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events (PerCom Workshops), Atlanta, GA, USA: IEEE, Mar. 2023, pp. 288–290. doi: 10.1109/PerComWorkshops56833.2023.10150224.

G. Jain et al., “StreetNav: Leveraging Street Cameras to Support Precise Outdoor Navigation for Blind Pedestrians,” 2023, arXiv. doi: 10.48550/ARXIV.2310.00491.

C. Zang et al., “Surgical Phase Recognition in Inguinal Hernia Repair—AI-Based Confirmatory Baseline and Exploration of Competitive Models,” Bioengineering, vol. 10, no. 6, p. 654, May 2023, doi: 10.3390/bioengineering10060654.

M. K. Turkcan et al., “Towards a Digital Twin of a New York City Street Intersection,” presented at the Data Science Day 2023, Columbia University, New York, Apr. 19, 2023.

G. Jain et al., “Towards Street Camera-based Outdoor Navigation for Blind Pedestrians,” in The 25th International ACM SIGACCESS Conference on Computers and Accessibility, New York NY USA: ACM, Oct. 2023, pp. 1–6. doi: 10.1145/3597638.3614498.

M. K. Turkcan et al., “Transfer Learning for Enhanced Phase Recognition in Data-Scarce Surgeries,” presented at the Data Science Day 2023, Columbia University, New York, Apr. 19, 2023.

M. Zolnoori et al., “Utilizing patient-nurse verbal communication in building risk identification models: the missing critical data stream in home healthcare,” Journal of the American Medical Informatics Association, vol. 31, no. 2, pp. 435–444, Jan. 2024, doi: 10.1093/jamia/ocad195.

M. Ghasemi et al., “Video-Based Social Distancing: Evaluation in the COSMOS Testbed,” IEEE Internet Things J., vol. 11, no. 3, pp. 4987–4997, Feb. 2024, doi: 10.1109/JIOT.2023.3305587.

Z. Yang, M. Sun, H. Ye, Z. Xiong, G. Zussman, and Z. Kostic, “Bird’s-eye View Social Distancing Analysis System,” in Proc. IEEE ICC 2022 Workshop on Edge Learning for 5G Mobile Networks and Beyond (to appear), 2022.

Jiyoun Song, Margaret McDonald, Maryam Zolnoori, Danielle Scharp, Sasha Vergez, Sridevi Sridharan, Zoran Kostic, Maxim Topaz, "Do nurses document all discussions of patient problems and nursing interventions in the electronic health record? A pilot study in home healthcare," Jamia Open, to appear, 2022.

Jiyoun Song, Maryam Zolnoori, Danielle Scharp, Sasha Vergez, Margaret V. McDonald, Sridevi Sridharan,  Zoran Kostic, Maxim Topaz, “Is Auto-generated Transcript of Patient-Nurse Communication Ready to Use for Identifying the Risk for Hospitalization or Emergency Department Visits in Home Health Care? A Natural Language Processing Pilot Study,”  AMIA 2022 Annual Symposium, to appear.

Jiyoun Song, Maryam Zolnoori, Danielle Scharp, Sasha Vergez, Margaret V. McDonald, Sridevi Sridharan,  Zoran Kostic, Maxim Topaz,  “To what extent are verbal conversations between patients and nurses in home healthcare documented in the electronic health record?”,  AMIA 2021 Clinical Informatics Conference, Houston, TX, to appear, May 2022.

M. Ghasemi, Z. Kostic, J. Ghaderi, and G. Zussman, “Auto-SDA: Automated Video-based Social Distancing Analyzer,” in Proc. 3rd ACM Workshop on Hot Topics in Video Analytics and Intelligent Edges (HotEdgeVideo’21), MobiCom’21, Association for Computing Machinery, New York, NY, USA. DOI:https://doi.org/10.1145/3477083.3480154.

Zhuoxu Duan, Zhengye Yang, Richard Samoilenko, Dwiref Snehal Oza, Ashvin Jagadeesan,

Mingfei Sun, Hongzhe Ye, Zihao Xiong, Gil Zussman, Zoran Kostic, "Smart City Traffic Intersection: Impact of Video Quality and Scene Complexity on Precision and Inference," in 2021 IEEE 19th Int Conf on Smart City, pp. 1521-1528, Haikou, Hainan, China, 20-22 December, 2021.

M. Ghasemi et al. “Auto-SDA: Automated video-based social distancing analyzer,” ACM SIGMETRICS Performance Evaluation Review, vol. 49, no. 2, pp. 69–71, Sep. 2021.

Panagiotis Skrimponis,  Nikos Makris, Sheila Borges Rajguru, Karen Cheng, Jonatan Ostrometzky, Emily Ford, Zoran Kostic, Gil Zussman, Thanasis Korakis, “COSMOS Educational Toolkit: Using Experimental Wireless Networking to Enhance Middle/High School STEM Education,”  ACM SIGCOMM Computer Communication Review, Volume 50 Issue 4, October 2020.

D. Raychaudhuri, I. Seskar, G. Zussman, T. Korakis, D. Kilper, T. Chen, J. Kolodziejski, M. Sherman, Z. Kostic, X. Gu, H. Krishnaswamy, S. Maheshwari, P. Skrimponis, and C. Gutterman, “Challenge: COSMOS: A city-scale programmable testbed for experimentation with advanced wireless,” in Proc. ACM MOBICOM’20, 2020.

Sheila Ivelisse Borges, Zoran Kostic et. al, "A Teacher Professional Development Program Using Wireless Communications and NGSS to Enhance STEM Teaching & Learning," ASEE Annual Conference & Exposition, Montreal, June 21-24, 2020.

Shiyun Yang, Emily Bailey, Zhengye Yang, Jonatan Ostrometzky, Gil Zussman, Ivan Seskar, Zoran Kostic, “COSMOS Smart Intersection: Edge Compute and Communications for Bird’s Eye Object Tracking,” in Proc. IEEE Percom – SmartEdge 2020, 4th International Workshop on Smart Edge Computing and Networking, March 23, 2020, Austin, Texas.

Masterson Creber R, Myers A, Goyal P, Kostic Z. Deep Learning Method for Video-Based  Data to Classify Peripheral Edema Grades. Journal of Cardiac Failure. 2019; 25:S103. doi:  10.1016/j.cardfail.2019.07.295. 

T. Mao, W. Zhang, H. He, Y. Lin, V. Kale, A. Stein, Z. Kostic, “AIC2018 Report: Traffic Surveillance Research,” in Proc. IEEE / CVF CVPR2018, NVIDIA AI CITY CHALLENGE Workshop, Salt Lake City, June 18, 2018.

J. Chen, T. Mao, Y. Qiu, D. Zhou, R. Masterson Creber, Z. Kostic,  “Camera-Based Peripheral Edema Measurement Using Machine Learning,” Sixth IEEE International Conference on Healthcare Informatics (ICHI 2018), June 4- June 7, NYC, 2018.

Kin K. Leung, Martin V. Clark, Bruce McNair, Zoran Kostic, Leonard J. Cimini, Jr., and Jack H. Winters, "Outdoor IEEE 802.11 Cellular Networks: Radio and MAC Design, and Their Performance",  IEEE Trans. on Vehicular Technology, vol. 56, No. 5, pp. 2673 - 2684, Sep. 2007.

Neelesh Mehta, Zoran Kostic et al., "Orthogonality Factor in WCDMA Downlink," IEEE Transactions on Wireless Communications, Vol. 2, No. 6, pp. 1138 - 1149, Nov. 2003.

Zoran Kostic and Nelson Sollenberger, "Dynamic Frequency Hopping in limited bandwidth cellular systems," IEEE Transactions on Wireless Communications, vol. 20, No. 1, January 2002.

Zoran Kostic, Xiaodong Wang and Ivana Maric," Theory of Dynamic Frequency Hopping," IEEE Journal on Special Areas in Communications - Wireless Systems, Vol. 19, No. 11, pp. 2254-2266, November 2001.

Moe Win and Zoran Kostic, "Impact of Spreading Bandwidth  on Rake Reception in Dense Multipath Environments," IEEE Journal on Special Areas in Communications, Vol. 17, No. 10, pp. 1794-1806, Oct.1999.

Moe Win and Zoran Kostic, "Virtual Path Technique for Rake Receiver Analysis," IEEE Communications Letters, Vol.3, No. 11, pp. 308-310, Nov. 1999.

Z. Kostic, "TCP/IP in Cellular Systems - Network Performance," submitted to IEEE Transactions.

Kostic and G. Pavlovic, "Resolving Sub-chip Spaced Multipath Components in CDMA Communication Systems," IEEE Transactions of Vehicular Technologies, Vol. 48, No. 6, pp. 1803-1808, Nov. 1999.

Z. Kostic, "Low Complexity Equalization for pi/4 DQPSK Signals Based on the Method of Projection onto Convex Sets," appeared in IEEE Transactions of Vehicular Technologies, Vol. 48, No. 6, pp. 1916-1922, Nov. 1999.

Z. Kostic, E. L. Titlebaum and Gordana Pavlovic, "Cyclical Coincidence Arrays: Deriving Exact Expressions for Interference Between Users in CDMA Systems," European Transactions on Telecommunications, 1997.

Z. Kostic and S. Seetharaman, "Digital Signal Processors in Wireless Communications," IEEE Communications Magazine, Dec. 1997.

Z. Kostic and E. L. Titlebaum, "The Design and Performance Analysis for Several New Classes of Codes for Optical Synchronous CDMA and for Arbitrary-Medium Time-Hopping Synchronous CDMA Communication Systems," IEEE Transactions on Communications, Vol. 42, pp. 2608-2618, August 1994.

S. V. Maric,  Z. Kostic and E. L. Titlebaum, "A New Family of Code Sequences for Use in  Spread Spectrum Fiber-Optic Local Area Networks," IEEE Transactions on Communications, Vol. 41, pp. 1217-1222, August 1993.

Z. Kostic, M. I. Sezan and E. L. Titlebaum, "Estimation of the Parameters of a Multipath Channel Using Set-Theoretic Deconvolution," IEEE Transactions on Communications, vol. 40, pp. 1006-1011, June 1992.

Z. Kostic and A. Rodriguez, "Embeddable Transceiver Code Generation for SDR Applications by Matlab and Simulink - FM3TR Example," Forty-Fourth SDR Meeting, June 20-24, 2005.

Z. Kostic and A. Rodriguez, "SDR-Targeted Design Flow: From Executable Specification to Signal Processing Subsystem Code Generation and SCA-Focused Tool Integration," Software Defined Radio Technical Conference, November 14-18, 2005, Anaheim, California.

M. Clark, Zoran Kostic, et al., "Outdoor IEEE 802.11 Cellular Networks: Radio Link Performance," ICC2002.

Zoran Kostic, et al., "Performance results for the Downlink Shared Channel in WCDMA," ICC2002.

Zoran Kostic, "The Performance of the WWW Traffic due to Interactions Between TCP and RLP Protocols in a Cellular System," Vehicular Technology Conference VTC'2001 Fall, Atlantic City, New Jersey, October 2001.

Zoran Kostic, "Interaction between radio link protocols and TCP in cellular systems," Vehicular Technology Conference VTC'2001 Spring, Rhodes, Greece, May 2001.

Zoran Kostic et al., "Dynamic Frequency Hopping for Limited-Bandwidth Cellular Systems", ICCCN 2000, Las Vegas.

Zoran Kostic et al., "Impact of TCP/IP header compression on the performance of a cellular system," WCNC 2000, Chicago.

Z. Kostic et al., "Dynamic Frequency Hopping in Cellular Systems with Network Assisted Resource Allocation," VTC 2000, Tokyo.

Z. Kostic and Nelson Sollenberger, "Channel Estimation for IS-136+ Packet Data Communications," IEEE VTC'99.

Z. Kostic and Ivana Maric, "Dynamic Frequency Hopping in Digital Cellular Systems - Simulation Studies," IEEE VTC'99.

B. McNair, Z. Kostic et al, "Coherent Modulation for IS-136+," IEEE VTC'99.

Z. Kostic and Bruce McNair, " Experimental Performance Results of an Indoor Wireless Extension of IS-136 Based on PI/8-8DPSK and Coded Modulation," 1998 Vehicular Technology Conference.

Z. Kostic and X. Wang, "Dynamic Frequency Hopping in Cellular Communications," Globecom 1998.

Z. Kostic and Naeem Abbassi,  " Effects of Transmitter, Receiver and Channel Impairments on the Performance of the Enhanced IS-136 Digital Cellular System for Transmission of High-Quality Speech," 1997 Vehicular Technology Conference.

Z. Kostic, G. Pavlovic and E. Titlebaum, "A Technique for Minimizing the Variance of Interference in Packetized Interference-Limited Wireless Communication Systems," IEEE Globecom 1996, Communication Theory Mini Conference, pp. 121-126, London, England, Nov. 1996.

Z. Kostic and G. Pavlovic, "Resolving Sub-chip Spaced Multipath Components in CDMA Communication Systems,"   43rd Vehicular Technology Conference, Secaucus, New Jersey, May 1993.

Z. Kostic, "Low Complexity Equalization for pi/4 DQPSK  Signals Based on the Method of Projection onto Convex Sets," 1993 Conference on Information Sciences and Systems, John Hopkins University, Baltimore, Maryland, March 1993.

G. Pavlovic and Z. Kostic, "Multiframe Identification of Image and Blur Parameters Using Maximum Likelihood Approach," 1993 Conference on Information Sciences and Systems, John Hopkins University, Baltimore, Maryland, March 1993.

Z. Kostic and E. L. Titlebaum, "Computation of Exact Interference and Probability of Error for Several CDMA Communication Systems," 1992 IEEE International Communications Conference,  pp. 652-656, Chicago, Illinois, June 1992.

Z. Kostic, G. Pavlovic and E. L. Titlebaum, "Cyclical Coincidence Arrays: Derivation of New Properties of Signature Sequences and Interference Computation for Some CDMA Communication Systems," 26th Annual Conference on Information Sciences and Systems, pp. 1073-1077, Princeton, NJ, March 1992.

G. Pavlovic and Z. Kostic, "Multiframe Maximum Likelihood Parameter Identification for Image Sequences," 26th Annual Conference on Information Sciences and Systems, pp. 134-137, Princeton, NJ, March 1992.

Z. Kostic and  E. L. Titlebaum, "New Families of Codes Applicable to Synchronous Fiber-Optics Code-Division Multiple-Access Systems and to Arbitrary Synchronous Time-Hopping  Code-Division Multiple-Access Communication   Systems," in Proceedings of the  1991 IEEE International Symposium on Information Theory, pp. 343, Budapest, Hungary, June 1991.

Z. Kostic, E. L. Titlebaum and S. Maric, "The Design of New Optical Codes and Time-Hopping Patterns for Synchronous Spread-Spectrum Code-Division Multiple-Access Communication Systems," in Proceedings of the 1991 International Communications Conference, pp. 585-589,  Denver, Colorado, June 1991.

Z. Kostic, M. I. Sezan and E. L. Titlebaum, "Estimation of the Parameters of a Multipath Channel Using Set-Theoretic Deconvolution," in Proceedings of the 1991 International Conference on  Acoustics, Speech and Signal Processing, pp. 1449-1452, Toronto, May 1991.

S. Maric, Z. Kostic and E. L. Titlebaum, "A New Family of Code Sequences for Use in Spread Spectrum Fiber-Optic Local Area Networks," International Symposium on Information Theory Applications, Waikiki, Hawaii, November 1990.

Z. Kostic, E. L. Titlebaum and M. I. Sezan, "The Application of Projection Onto Convex Sets (POCS) to Multipath Channel Estimation," in Proceedings of the Twenty Eight Annual Alerton Conference on Communications, Control, and Computing, University of Illinois at Urbana Champaign, October 1990.

Z. Kostic, S. Maric and E. L. Titlebaum, "A New Family of Algebraically Designed Optical Orthogonal Codes," in Proceedings of the Twenty Eight Annual Alerton Conference on Communications, Control, and Computing, University of Illinois at Urbana Champaign, October 1990.

Z. Kostic and E. L. Titlebaum, "Codes Based on Quadratic Congruences and Their Implementation in Frequency-Hop Spread-Spectrum Communications," in Proceedings of the 1990 IEEE International Symposium on Information Theory, pg. 3, San Diego, Jan. 1990

S. Maric, E. L. Titlebaum and Z. Kostic, "Address Assignment for Multiple-Access Systems Based Upon the Theory of Congruence Equations," in Proceedings of the  IEEE  Globecom 1989 conference, pp. 283-287, Nov. 1989.

OTHER PUBLICATIONS, TALKS AND PRESENTATIONS

M. Ghasemi, Z. Yang, M. Sun, H. Ye, Z. Xiong, J. Ghaderi, Z. Kostic, and G. Zussman, “Demo: Video-based social distancing evaluation in the COSMOS testbed pilot site,” in Proc. ACM MOBICOM’21, 2021.

Z. Yang, M. Sun, H. Ye, Z. Xiong, G. Zussman, and Z. Kostic, “Birds eye view social distancing analysis system,” arXiv:2112.07159 [cs.CV], Dec. 2021.

Richard Samoilenko, Ashvin Jagadeesan, Zihao Xiong, Hongzhe Ye, Zhengye Yang, Zoran Kostic, "Optimizing YOLOv4 Object Detection in Smart-City Traffic Intersections," at Columbia University Data Science Day, Wednesday, April 21, 2021.

Mahshid Ghasemi, Zhengye Yang, Mingfei Sun, Hongzhe Ye, Zihao Xiong, Zoran Kostic, Javad Ghaderi, Gil Zussman, “COSMOS Testbed – Proximity Detection and Social Distancing Estimation in COVID-19 Pandemic,” Workshop on Challenges for Digital Proximity Detection in Pandemics: Privacy, Accuracy, and Impact, NIST, January 26, 2021 - January 28, 2021.

Zhengye Yang, Mingfei Sun, Hongzhe Ye, Zihao Xiong, Gil Zussman, Zoran Kostic, "Privacy Preserving Social Distancing Analysis in a Metropolis," in Machine Learning in Science & Engineering,  Data Science Institute at Columbia University, Virtual Conference, December 14 - 15, 2020.

Zoran Kostic, “Object Detection in Smart City Intersections: Real-time Considerations,” 2nd COSMOS Research Community Workshop, Oct 14-15, 2020.

Zoran Kostic, “COSMOS Smart Traffic Intersection:  High-Bandwidth Low-Latency Applications using AI and Edge Computing Infrastructure  - A Snapshot on Real Time Consideration,” IEEE 5G World Forum - AI/ML Track, Sept 10-12, 2020.

COSMOS Smart Traffic Intersection:  High-Bandwidth Low-Latency Applications using AI and Edge Computing Infrastructure - A Snapshot on Real Time Consideration, IEEE 5G World Forum - AI/ML Track, Sept 10-12, 2020.

Zhengye Yang, Emily Bailey, Shiyun Yang, Gil Zussman, Ivan Šeškar, Zoran Kostic, "Smart City: Deep Learning in the Edge-Cloud for COSMOS Smart Intersection," Data Science Day, Columbia University, Tuesday, March 31, 2020.

Zoran Kostic, “Deep Learning in the Edge-Cloud for COSMOS Smart Intersections,” IEEE Workshop on AI/ML in Networks and Cloud; Feb 17, 2020; Rutgers University Inn and Conference Center; New Brunswick, New Jersey.

COSMOS team, “COSMOS REM/RET program and educational toolkit,” nominated for the Global Mobile Awards - category on YoMo STEAM Activity for Young People, at the 2020 Mobile World Congress (event postponed).

Z. Kostic, “Smart City Intersections,” COSMOS Experimenters Workshop, Rutgers University, May 21, 2019.

Z. Kostic, COSMOS PIs, "Panel: The COSMOS Advanced Wireless Testbed: integrating Gigabit wireless access with low latency edge computing,"  EDGE 10Conference on Edge & Fog,  Friend Center, Princeton University, NJ, May 17, 2019, http://edge10.princeton.edu.

Zoran Kostic, "COSMOS Project - Opportunities for Health Applications," Columbia Data Sciences Institute (DSI) Health Analytics workshop, Columbia University, New York City, March 1, 2019.

Zoran Kostic and Ivan Seskar, "Smart City Intersections in Megapolises," Sense, Collect and Move Data Seminar, Columbia Data Sciences Institute (DSI), New York City, Oct. 12, 2019.

Zoran Kostic et. al, "Pedestrian and vehicle tracking in bird’s eye view videos,"  Smart Cities Center Poster Session, Columbia Data Science Institute, New York City, November 14th, 2018 .

Tianyao Hua and Zoran Kostic, "Pedestrian and vehicle tracking in bird’s eye view videos," Columbia Data Sciences Institute (DSI) Summer Student 2018 EE Expo, New York City, 2018.

Zoran Kostic, "COSMOS overview," Columbia Data Sciences Institute (DSI) retreat, Tarrytown, New York, October 7-8, 2018.

Zoran Kostic, “Smart City: Deep Learning Models for Car-Pedestrian Interaction,” NVIDIA GPU Technology Conference, San Jose, March 25-29, 2018.

Zoran Kostic, "Internet of Things - Physical Data Analytics," Workshop Chair, IEEE International Conference on Sensing, Communication and Networking, 27-30 JUNE 2016, LONDON, UK.

Zoran Kostic, "The Next Big Revolution: Internet of Things," Invited talk and panel moderator, Japan Society, September 26, 2016, NYC.