Amrik Majumdar

Research

My research projects, in the order they started.

  1. 2023 Robot swarms at George Mason
  2. 2025 Lung-cancer imaging, with a collaborator
  3. 2026 Droplet analysis at NIST, summer 2026

George Mason University · 2023–present

Swarm Robotics at George Mason

I study how groups of robots work together without a leader. I work as a research assistant at George Mason, and this is the longest-running of the research projects shown here.

The work spans swarm robotics, neuromorphic computing (computing modeled on how brains process information) and decentralized systems, which have no central controller.

Each mark steers only by its nearby neighbors; there is no leader. The dashed circle shows how far one mark can see. Now and then a light breeze loosens the group, and it gathers again. Drawn to illustrate the idea, not the research itself.

CT scans over time (longitudinal CT) · begun 2025

Lung Cancer Research

With a collaborator, I studied whether changes across CT scans, three-dimensional X-ray images, help predict lung-cancer stage, how far the cancer has spread. For 236 National Lung Screening Trial participants, the three-scan model did slightly better than the one-scan model.

Published as Abstract 8018 at the 2026 ASCO Annual Meeting.

One scan, 0.82. Three scans in order, 0.86. Macro-AUC averages how well the model ranks cases across the stage classes. The figure runs from 0.5 (chance) to 1.0 (perfect ranking).

It is not the percentage of correct predictions.

NIST Center for Neutron Research (NCNR) · summer 2026

NIST NCNR Droplet Analysis

I wrote two Python workflows to measure droplets moving through a system at the National Institute of Standards and Technology (NIST). One reads absorbance, how much light the droplets absorb. The other reads camera images. I spent the summer writing both and making the image analysis match the existing MATLAB version, written in another programming language.

The two versions drew the same curves but reported different droplet lengths. I presented the work through the Summer High School Internship Program (SHIP), with mentoring from the center’s researchers.

An animation rendering: blue droplets separated by clear oil flow through a glass tube. A light beam shines straight down into the tube from a fiber tip above it.
Drawn for this page, not data from the experiment.