| Oct 6, 2026 | Our paper, Harnessing Floating Car Data, Traffic Camera Observations, and Network Flow Analysis for Traffic Volume Estimation, led by Antonina Kosikova, has been accepted for publication in Discover Civil Engineering. The preprint is available on arXiv. |
| Sep 28, 2026 | I will present our vision-based analysis of congestion pricing in New York City, built on 910 public traffic cameras, at the 2026 PAWR PI Meeting. The project was initially supported by compute from the PAWR COSMOS testbed at Columbia University. |
| Sep 24, 2026 | I released BoundlessNYC, a city-scale digital twin of New York City compiled from public municipal records. It covers Manhattan, the Bronx, Brooklyn, and Queens with simulated traffic and pedestrians, pixel-exact segmentation and depth ground truth, and a CARLA-style Python API. An interactive demo runs in the browser. |
| Sep 23, 2026 | I released UrbanAnonymizer, a face and license plate anonymizer for street-level images and video. It outperforms EgoBlur Gen2 on the UFDD and PP4AV benchmarks, and offline tracking keeps masks in place in frames where detections drop out. The models and dataset are on Hugging Face. |
| Sep 22, 2026 | I released StreetPrompt, an open-vocabulary video classifier for street cameras. Users describe situations such as flooding, fog, or collisions in plain text, with no labeled data or retraining, and the models run on hardware from a Jetson Orin Nano to desktop GPUs. The Synthetic Street Scenes training dataset is also public. |
| Sep 16, 2026 | Our Constellation paper, Constellation Dataset: Benchmarking High-Altitude Object Detection for an Urban Intersection, has been published open access in the International Journal of Computer Vision. |
| Sep 9, 2026 | I released UrbanOmniDetect-2, a single network for COCO-80 object detection and calibration-free 3D cuboid estimation from ego-vehicle, infrastructure, and aerial cameras. It ships in five model scales with a real-time tracking and bird’s-eye-view pipeline. Details are on the project page. |
| Aug 3, 2026 | With Soham Samal and Zoran Kostic, I released Surgical SAM 3.1, a text-prompted detector and instance segmenter for surgical instruments, anatomy, and tissue, fine-tuned from SAM 3.1 on four public surgical datasets. The accompanying dataset is also available. |
| Jul 15, 2026 | Our paper, Zero-Shot Image Tagging at Traffic Intersections via SAM-Guided Vision-Language Models, led by William Ho, has been accepted to the main track of ICMLA 2026. Without any in-domain training, its SAM-guided vision-language pipeline outperforms established zero-shot methods and a trained baseline, with the largest gains on rare, safety-critical classes. |
| Jul 10, 2026 | Our paper, Digital Eyes on the Road: Using Street Cameras to Verify Traffic Integrity and Detect Sybil Attacks at City Scale, will appear at USENIX VehicleSec 2026. A public preprint is available for download. |
| Jul 2, 2026 | I will head the engineering curriculum for the Center for Smart Streetscapes (CS3) Research Experience for Teachers program in 2026, continuing my role as its main engineering instructor for a third year. |
| Jun 26, 2026 | KEDIKAT’s film FLEA has received several festival accolades, including Best Storytelling Runner-Up at the MetaMorph AI Award 2026. |
| Jun 8, 2026 | Our UrbanOmniDetect paper is now available in the CVPR 2026 Workshops Open Access proceedings. |
| May 18, 2026 | Our paper, Worst-Case Attacks in Reactive Edge-Cloud Systems: Expected Latency and SLA Violation, appeared at IEEE INFOCOM 2026. The DOI is available online. |
| May 1, 2026 | At the annual NSF site visit for the Center for Smart Streetscapes on May 12-15, I presented several applied AI demonstrations, including DART and UrbanOmniDetect. |
| Apr 30, 2026 | Our paper, Calibration-Free View-Agnostic Monocular 3D Object Detection for Urban Scenes, has been accepted to the CVPR 2026 DriveX Workshop as an oral presentation. |
| Apr 22, 2026 | Our Open-H-Embodiment dataset paper for medical robotics foundation models is now available on arXiv. |
| Apr 18, 2026 | I released bikeped, an open-source, real-time pedestrian and cyclist collision warning system for urban intersections built on wide-angle perception and edge inference. The arXiv preprint and source code are available. |
| Apr 9, 2026 | I released Loom, a looped transformer with analytically derived weights that executes compiled C programs, together with the arXiv preprint, source code, and in-browser WebGPU demos. |
| Mar 12, 2026 | I released DART, a real-time open-vocabulary detection framework, along with the arXiv preprint and public model assets. |
| Feb 5, 2026 | I joined the CS3 Innovation Summit panel From Sensors to Systems: Real-Time Traffic Analysis for Faster Decision-Making. The event program, Columbia Engineering coverage, and local event archive are available online. |
| Jan 7, 2026 | I hosted a technical workshop at the Port Authority of New York and New Jersey headquarters at the World Trade Center as part of the agency’s annual Tomorrow Summit, which recognizes successful technology pilots demonstrated during the previous year. A photograph from the presentation is included on my speaking page. |
| Dec 10, 2025 | Our PAVE paper, Real-Time Video Analytics for Urban Safety: Deployment over Edge and End Devices, received a Best Paper Award at ACM/IEEE SEC 2025. More details are available in the award announcement. |
| Nov 19, 2025 | I presented Evaluating Micromobility & Dangerous Riding Behaviors at the Eighth Annual Vision Zero Research on the Road event. The agenda and speaker bios and presentation slides are available online and in the local site archive. |
| Jul 15, 2025 | I will be the lead engineering mentor for the Center for Smart Streetscapes (CS3) Research Experience for Teachers program in 2025. This 4-week program will introduce the most recent emerging models and concepts in AI to high school teachers. |
| Jun 23, 2025 | Our paper, “Adaptive Data Collection for Robust Learning Across Multiple Distributions”, has been accepted to ICML 2025! |
| Jun 23, 2025 | Our paper, “Loosely Coupled Oscillators as a Correlate of Behavioral Control Circuits Within the Central Complex of the Fruit Fly”, is now available online! |
| Jun 22, 2025 | Our paper, “Distributed VLMs: Efficient Vision-Language Processing through Cloud-Edge Collaboration”, is now available online! |
| Jan 14, 2025 | Our paper, “Distributed VLMs: Efficient Vision-Language Processing through Cloud-Edge Collaboration”, has been accepted to PerCom 2025! |
| Jul 16, 2024 | I am now an Associate Research Scientist in the Civil Engineering & Engineering Mechanics at Columbia University! |
| Jun 5, 2024 | Our paper, “Data-Driven Traffic Simulation for an Intersection in a Metropolis”, has been accepted into the POETS Workshop at CVPR 2024! |
| May 7, 2024 | Our paper, “Evaluating Zero-Shot Image Tagging for Urban Traffic Intersection Scenes”, has been accepted into the VAND Workshop at CVPR 2024! |
| May 1, 2024 | I will be a Co-Chair of the CS3 Student Leadership Council of the Center for Smart Streetscapes for the 2024-2025 cycle! |
| Apr 29, 2024 | I received the Electrical Engineering Distinguished Teaching Award for my teaching achievements in 2023! |
| Oct 25, 2023 | I will be in Boston to present our work on transfer learning for low-resource surgical phase segmentation at the ACS Clinical Congress 2023. |
| Sep 5, 2023 | In Fall 2023, I will be teaching the course “ECBM E4040: Neural Networks and Deep Learning” at Columbia University! Link: Columbia Course Directory! Course description is now available here. |
| Jan 5, 2021 | My talk for PyData 2020 (November 15), “FlyBrainLab: An Interactive Open Computing Platform for Exploring the Drosophila Brain”, is now online for everyone! |