Hi, I'm

Bharath Rajiv Nair

Building real-time perception systems for autonomous robots. Specializing in 3D perception, sensor fusion, and multi-object tracking.

Bharath Rajiv Nair

About

I'm a Robotics Software Engineer at ArcBest Technologies, where I design and deploy real-time perception systems for autonomous warehouse robots. My work spans 3D collision avoidance, sensor fusion, multi-object tracking, multi-modal sensor calibration, and teleoperation pipelines.

My interests lie broadly in robotic perception — from traditional 3D perception tasks like sensor fusion and multi-object tracking, to the latest advances in transformer architectures, vision-language models, and robot learning.

I'm currently pursuing my M.S. in Computer Science (AI specialization) at Georgia Tech, part-time. I hold an M.S. in Mechanical Engineering from Columbia University (Robotics and Control) and a B.E. from BITS Pilani. Previously, I interned at Amazon Robotics as an Applied Scientist and have published at ICRA and other robotics conferences.

Technical Stack

Languages
C++PythonMATLAB
Core Areas
3D PerceptionSensor FusionMulti-Object TrackingComputer VisionDeep LearningState Estimation
Frameworks
ROSPyTorchOpenCVCUDADockerONNX
Hardware
LiDAR (2D/3D)Stereo CamerasToF CamerasNVIDIA Jetson

Journey

Education Work
2026 - Present

Georgia Tech

M.S. in Computer Science (AI)

2026 - Present

Georgia Tech

M.S. in Computer Science (AI)

Jul 2022 - Present

ArcBest Technologies

Robotics Software Engineer, Perception

Jul 2022 - Present

ArcBest Technologies

Robotics Software Engineer, Perception

2020 - 2022

Columbia University

M.S. in Mechanical Engineering

2020 - 2022

Columbia University

M.S. in Mechanical Engineering

May - Aug 2021

Amazon Robotics

Applied Scientist Intern

May - Aug 2021

Amazon Robotics

Applied Scientist Intern

Aug 2019 - Jun 2020

SUTD

Research Assistant, ROAR Lab

Aug 2019 - Jun 2020

SUTD

Research Assistant, ROAR Lab

Jan - May 2019

Purdue University

Visiting Research Student

Jan - May 2019

Purdue University

Visiting Research Student

2015 - 2019

BITS Pilani

B.E. (Hons.) in Mechanical Engineering

2015 - 2019

BITS Pilani

B.E. (Hons.) in Mechanical Engineering

Education

Georgia Institute of Technology

M.S. in Computer Science

Artificial Intelligence specialization

In Progress (Part-time)Atlanta, GA 🇺🇸

Columbia University

M.S. in Mechanical Engineering

Robotics and Control specialization

2022New York, NY 🇺🇸

BITS Pilani

B.E. (Hons.) in Mechanical Engineering

2019Pilani, India 🇮🇳

Experience

ArcBest Technologies

Robotics Software Engineer, Perception — R&D Lab

Jul 2022 - PresentFort Smith, AR 🇺🇸

Autonomous Forklift Perception

3D perception pipeline for autonomous navigation and obstacle avoidance. Integrated comprehensive sensor suite including LiDARs, stereo cameras, and ToF sensors for warehouse operations.

Perception Scope & Strategy

Led perception project scoping and decision-making, aligning sensor and algorithm choices with customer requirements and operational constraints.

3D Safety & Scanning Systems

Developed real-time 3D collision avoidance using multi-LiDAR fusion (>98% success rate) and YOLOv8-based barcode scanning for semi-autonomous teleoperation.

Multi-Modal Sensor Calibration

Architected a modular, configuration-driven calibration framework (camera-camera, camera-LiDAR, LiDAR-LiDAR), enabling fully remote calibration by teleoperators.

LiDAR BEV Visualization

Built a real-time Bird's-Eye View visualization system with dynamic ROI filtering for improved spatial awareness during teleoperation.

Edge Deployment on NVIDIA Jetson

Integrated multi-modal perception sensors on Jetson Orin, building real-time pipelines using ROS and PCL. Deployed at the first two customer sites.

Amazon Robotics

Applied Scientist Intern, Virtual Systems

May 2021 - Aug 2021North Reading, MA 🇺🇸

Multi-Agent Warehouse Simulation

Built a proof-of-concept simulation for realistic multi-agent warehouse motion — workers, pallet jacks, forklifts — praised by the team's software architect for producing the most realistic entity motion they had seen in simulation.

Path Planning & Obstacle Avoidance

Implemented multi-agent path planning, trajectory execution, and dynamic obstacle avoidance in Python, enabling scalable layout optimization and robot throughput analysis.

Singapore University of Technology and Design

Research Assistant, ROAR Lab (Prof. Mohan Rajesh Elara)

Aug 2019 - Jun 2020Singapore 🇸🇬

sTetro-C Reconfigurable Robot

Worked on a self-reconfigurable service robot for autonomous staircase navigation and cleaning. Designed the reconfigurable cleaning mechanism and platform.

Staircase Perception & Navigation

Selected and integrated sensors for staircase perception. Filed a design patent for the reconfigurable architecture.

Publication

Contributed to a peer-reviewed paper in Expert Systems with Applications on staircase navigation using a self-reconfigurable service robot.

Purdue University

Visiting Research Student, Collaborative Robotics Lab (Prof. Richard Voyles)

Jan 2019 - May 2019West Lafayette, IN 🇺🇸

Neuromorphic Tactile Skin

Developed a neuromorphic neural network for tactile robotic skin in Python/Keras, optimizing printable, hardware-constrained analog designs.

ICRA 2021 Publication

Research published at IEEE International Conference on Robotics and Automation (ICRA) 2021.

Projects

Modular 3D Multi-Object Tracking Framework demo

Modular 3D Multi-Object Tracking Framework

Plugin-based MOT framework in C++ with interchangeable detection, motion-model, and association modules. Features ONNX Runtime inference for PointPillars, CTRV-UKF state estimation, and Mahalanobis-gated Hungarian matching.

C++ONNX Runtime3D DetectionUKFHungarian MatchingModular Architecture
SensorLens demo

SensorLens

An IDE for your tracker — interactive 3D visualization and debugging tool for multi-object tracking on autonomous driving datasets. Step through frames, inspect every bounding box, and see exactly where your tracker fails (ID switches, false positives, missed detections) with color-coded MOT diagnostics. Supports nuScenes, KITTI, Waymo, and Argoverse 2 through a universal dataset-agnostic scene format.

PythonVisual DebuggingMOT EvaluationMulti-DatasetUniversal Format3D Visualization

Kalman & Particle Filters

Implemented KF, UKF, and Particle Filter algorithms for localization and multi-sensor tracking using LiDAR and radar measurements.

C++PythonState EstimationSensor Fusion

Vision Transformer (ViT) & DeiT

Implemented Vision Transformer and Data-efficient Image Transformer from scratch in PyTorch, including patch embeddings, multi-head self-attention, and knowledge distillation.

PyTorchTransformersComputer Vision

CLIP-style Vision-Language Model

Built a CLIP-style VLM in PyTorch using contrastive learning to align image and text embeddings on a custom image-caption dataset.

PyTorchVLMContrastive Learning

Publications

Embedded neuromorphic architecture for form+function 4D printing of robotic materials

S. Eom, P. Abbaraju, Y. Xu, B. R. Nair, R. M. Voyles

IEEE ICRA 2021Paper

Towards staircase navigation and maintenance using self-reconfigurable service robot

A. V. Le, T. L. A. Pamela, A. A. Hayat, B. R. Nair, et al.

Expert Systems with Applications, 2025Paper

Collaborative perception in multi-robot systems: case studies in household cleaning and warehouse operations

B. R. Nair

ICRCV 2024Paper

Advancing robotic surgery: affordable kinesthetic and tactile feedback solutions for endotrainers

B. R. Nair, T. Aravinthkumar, B. Vinod

CCRIS 2024Paper

A modular and autonomous staircase-climbing robot with mopping module

M. R. Elara, T. L. A. Pamela, B. R. Nair, et al.

Technical Disclosure, SUTD, 2020

Get in Touch

I enjoy connecting with people who are passionate about robotics, perception, and intelligent systems. Whether it's a conversation about 3D sensing, a collaboration, or just a shared curiosity — I'd love to hear from you.