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Research record
Affiliations, projects, presentations, and open-source contributions across clinical medical physics, imaging, computational work, and earlier biophysics.
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Researcher
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Researcher
Clinical, imaging, and computational projects
Ethos adaptive partial-breast irradiation contour variability
Evaluation of interobserver variability for accelerated partial-breast irradiation contours in the Ethos adaptive workflow.
The earlier page described this as submitted to IJROBP; the current public record lists related ASTRO 2026 work.
6X-FFF versus 10X-FFF on TrueBeam
Dosimetric comparison of flattening-filter-free photon beams in Eclipse.
Ethos 2.0 high-fidelity multi-met SRS
Semi-automated comparative analysis for multi-metastasis, single-isocenter stereotactic radiotherapy.
Abdominal-organ auto-segmentation
Comparison of state-of-the-art deep-learning and AutoML frameworks with quantitative and physician review.
Formula One lap-time simulation
Ordinary-differential-equation modelling of factors affecting Formula One lap times; completed December 2022.
Driving agents in open-world simulation
Deep-learning and computer-vision models for effective driving agents.
Genomic linear-quadratic radiation-dose modelling
Exploratory deep-learning and machine-learning work connecting genomic inputs with radiation-dose modelling.
3D abdominal multi-organ segmentation
Deep-learning and computer-vision techniques for abdominal organ segmentation.
Optical brain measurement modelling
Machine-learning models using optical measurements to predict in-vivo hemoglobin oxygenation; completed December 2022.
Smartphone gel-electrophoresis analysis
Quantitative image analysis of gel electrophoresis on a smartphone; completed July 2021.
Augmented reality for chronic-kidney-disease surgery models
Computer-vision application intended to improve accuracy in surgical chronic-kidney-disease models; completed September 2023.
Nutrition, Alzheimer's disease, and amyloid aggregation
Earlier biophysics work on resveratrol, caffeine, beta-carotene, EGCG, and amyloid aggregation; published October 2020.
Presentations and posters
Retrospective Weekly Photon Re-Optimization on QA Scans to Assess Convergence toward Proton Dosimetry during Treatment
ASTRO 68th Annual Meeting · Boston, Massachusetts, USA
Third author; coauthor, not named presenter · Presenter: Yogesh Kumar, PhD
Conference program record · 3044
Characterizing Contouring Uncertainty across Clinical Specialties in CBCT-Guided Online Adaptive Partial Breast Irradiation
ASTRO 68th Annual Meeting · Boston, Massachusetts, USA
first author and listed presenter · Presenter: Udbhav Ram, BS
Presented · 3104
Title variants in source materials
- Characterizing Contouring Uncertainty Across Clinical Specialties in CBCT-Guided Online Adaptive Partial Breast Irradiation
When APIs Don’t Exist: Visual-Language–Driven Automation of Streamed Medical Software
2026 Joint AAPM | COMP Annual Meeting & Exhibition · Vancouver, British Columbia, Canada
coauthor · Presenter: Rex A. Cardan, PhD
Conference program record · SU-315-GPD-T-16
exact program viewing/discussion date
Predicting Adaptive Radiotherapy Session Duration Using Reference Plan Calculation Metrics
2026 Joint AAPM | COMP Annual Meeting & Exhibition · Vancouver, British Columbia, Canada
coauthor · Presenter: Dennis N. Stanley, PhD
Conference program record · SU-315-GPD-T-501
exact program viewing/discussion date
Inter-Observer Variability of Clinical Target Volume Delineation In Cone Beam CT-Guided Online Adaptive Accelerated Partial Breast Irradiation
2026 Joint AAPM | COMP Annual Meeting & Exhibition · Online, within Joint AAPM | COMP 2026 (Vancouver meeting)
presenting author · Presenter: Udbhav S. Ram
Published digital poster · PO-DPV-T-14
Meeting dates; digital-only poster with no dedicated physical session
Title variants in source materials
- Interobserver Variability in Clinical Target Volume Delineation for Online Adaptive Accelerated Partial Breast Irradiation
- Inter-observer variability of clinical target volume delineation in cone beam CT-guided online adaptive accelerated partial breast irradiation
Watch Once, Work Forever: One-Shot Computer-Use Agents for Clinical UI Automation
2026 Joint AAPM | COMP Annual Meeting & Exhibition · Vancouver, British Columbia, Canada
presenting author · Presenter: Udbhav S. Ram
Conference program record · SU-315-GPD-T-614
exact program viewing/discussion date
The State of AI in Radiation Oncology and Medical Physics in North America: A Researcher’s Perspective
AIIMS New Delhi · New Delhi, India; attendance format unconfirmed
Scheduled speaker · Presenter: Udbhav Ram
Scheduled talk; delivery not independently verified
McMaster SCEC co-op experience presentations
McMaster Science Careers and Experience Centre · McMaster University
Speaker and peer mentor · Presenter: Udbhav Ram
Four completed talks reported by the speaker
Completion cutoff, not one event date Four completed outreach talks are reported as one aggregate. Individual dates and titles are not fully resolved.
Evaluation of Ethos 2.0 High-Fidelity Mode for Multi-Met, Single-Isocenter Stereotactic Radiotherapy: A Semi-Automated Comparative Analysis
2025 Physics and Astronomy Congress · Denver, Colorado, USA
Invited poster presenter · Presenter: Udbhav Ram, University of Alabama at Birmingham
Presented · Session undefined
Title variants in source materials
- Dosimetric Evaluation of Ethos 2.0 High-Fidelity Mode for Single-Isocenter SRS
- Evaluation of Ethos 2.0 High-Fidelity Mode for Multi-Met, single-isocenter stereotactic radiotherapy: A semi-automated comparative analysis
- Evaluating second generation ETHOS automated treatment planning software on stereotactic radiosurgery cases
Dosimetric Comparison of 6X and 10X Flattening Filter-Free Photon Beams on a Truebeam Linac Using the Eclipse TPS
AAPM 67th Annual Meeting & Exhibition · Online, within AAPM 2025 (Washington, DC meeting)
presenting author · Presenter: Udbhav S. Ram
Presented · PO-GPV-T-244
Meeting date range; digital poster, no physical session
Title variants in source materials
- Dosimetric Comparison of 6X and 10X Flattening Filter-Free Photon Beams on a TrueBeam Linac Using the Eclipse TPS
Improving TG-263 Target Name Compliance Using Locally-Hosted Large Language Models
AAPM 67th Annual Meeting & Exhibition · Washington, DC, USA
presenting author · Presenter: Udbhav S. Ram
Presented · SU-330-BRP-12
Blue Ribbon Poster, AAPM 2025
exact program viewing/discussion date
Title variants in source materials
- Improving TG-263 target name compliance using locally-hosted Large Language Models
Evaluation of High-Fidelity Mode for Semi-Automated Multi-Met, Single-Isocenter Stereotactic Radiosurgery Planning Using the Ethos 2.0 Planning System
2025 Radiosurgery Society Scientific Meeting · Tucson, Arizona, United States
First author; coauthored presentation · Presenter: Carlos E. Cardenas, PhD
Conference program record
Dosimetric Comparison of 6MV and 10MV Flattening Filter-Free Photon Beams
Undergraduate thesis talk · McMaster University / Juravinski Cancer Centre; exact venue unspecified
Presenter · Presenter: Udbhav Ram
Recorded thesis presentation
Year confirmed; exact delivery day unknown
Title variants in source materials
- Dosimetric Comparison of 6X/10X flattening filter free beams at the Juravinski Cancer Centre
McMaster UAB Partnership Summary
McMaster/UAB student exchange planning meeting · Location and attendance format unconfirmed
Presenter and student exchange advocate · Presenter: Udbhav Ram
Presented
Head-to-Head Comparison of State-of-the-Art Automl Segmentation Frameworks Using Publicly Available Data
AAPM 66th Annual Meeting & Exhibition · Los Angeles, California, USA
presenting author · Presenter: Udbhav S. Ram
Presented · TU300-GPD(B)-LOUNGE-559
exact program viewing/discussion date
Title variants in source materials
- Head-to-Head Comparison of State-of-the-Art AutoML Segmentation Frameworks Using Publicly Available Data
- Head-to-head comparison of state-of-the-art AutoML segmentation frameworks using publicly available data
Evaluation of Ethos 2.0 High-Fidelity Mode for Multi-Met, Single-Isocenter Stereotactic Radiotherapy: A Semi-Automated Comparative Analysis
AAPM 66th Annual Meeting & Exhibition · Los Angeles, California, USA
presenting author · Presenter: Udbhav S. Ram
Presented · TU300-GPD(B)-LOUNGE-149
Outstanding Poster Presentation, 2024 Society of Physics Students–AAPM undergraduate research competition
exact program viewing/discussion date
Title variants in source materials
- Evaluating second generation ETHOS automated treatment planning software on stereotactic radiosurgery cases
Evaluation of Ethos 2.0 High-Fidelity Mode for Multi-Met, single-isocenter stereotactic radiotherapy: A semi-automated comparative analysis
70th COMP Annual Scientific Meeting · Regina, Saskatchewan, Canada
S3 competition presenter · Presenter: Udbhav Ram
Conference program record · Session 87
Improving TG-263 target name compliance using locally-hosted large language models
COMP Annual Scientific Meeting · Regina, Saskatchewan, Canada
Accepted rapid-presentation participant and presenter · Presenter: Udbhav Ram
Presented · Session undefined
Student remarks at the UAB–McMaster partnership signing
Inaugural UAB–McMaster memorandum of understanding signing meeting · Birmingham, Alabama, United States
Student representative and speaker · Presenter: Udbhav Ram
Retrospective institutional account
Year inferred from institutional retrospective; exact date unresolved
Optimizing dose delivery during fractionated radiotherapy
Canadian Undergraduate Physics Conference 2023 · Waterloo, Ontario, Canada
Named presenter and first-place oral award recipient · Presenter: Udbhav Ram
Presented
First place, oral presentations, CUPC 2023
Assessing Efficacy of Deep Learning-Based Auto-Contouring for Abdominal Normal Tissues
AAPM 65th Annual Meeting & Exhibition · Houston, Texas, USA
presenting author · Presenter: Udbhav S. Ram
Presented · PO-GePV-D-39
Viewing period for one ePoster
Title variants in source materials
- Assessing efficacy of deep learning-based auto-contouring for abdominal normal tissues
- Assessing Efficacy of Multiple, State Of The Art, Deep Learning Models in Abdominal Organ Auto-Segmentation
Using Deep Learning models to auto-contour abdominal organs in CT scans
Physics Undergraduate Conference (PhUnC) · Western University, London, Ontario
Presenter · Presenter: Udbhav Ram
Presented
Second place overall talk, PhUnC 2023 (speaker-reported)
Title variants in source materials
- Abdominal organs auto-segmentation to reduce patient-wait times in radiation oncology treatment starts
- Abdominal Multi-Organ Segmentation using Deep learning to enable enhanced workflows for LMIC
Abdominal Organs Auto-Segmentation to Reduce Patient-Wait Times in Radiation Oncology Treatment Starts
Canadian Undergraduate Physics Conference (CUPC 2022) · Delta Hotels Guelph Conference Centre, Group Dining Room, Guelph, Ontario
Presenting first author · Presenter: Udbhav Ram
Presented
Third place in Biomedical Physics oral presentation judging, CUPC 2022
Title variants in source materials
- Abdominal organs auto-segmentation to reduce patient-wait times in radiation oncology treatments
- Abdominal organs auto-segmentation to reduce patient-wait times in radiation oncology treatment starts
Abdominal Multi-Organ Segmentation using Deep learning to enable enhanced workflows for LMIC
Canadian Undergraduate Medical Physics Conference · Virtual
Presenter · Presenter: Udbhav Ram
Presented
Title variants in source materials
- Abdominal Multi Organ Segmentation using Deep learning
An augmented-reality setup to improve accuracy in surgical chronic kidney mice model
2022 CAP Congress · McMaster University, MDCL 1110, Hamilton, Ontario
Presenting author · Presenter: Udbhav Ram
Presented
Title variants in source materials
- An augmented-reality setup to improve accuracy in surgical chronic kidney disease models
- An Augmented Reality setup to improve accuracy in the 5/6 nephrectomy surgical model
Using Artificial Intelligence and Computer vision to empower better clinical outcomes in the ⅚ nephrectomy surgical model
Hamilton Centre for Kidney Research · Hamilton Centre for Kidney Research
Invited speaker · Presenter: Udbhav Ram
Listed in authored CV
The quantitative analysis of gel electrophoresis data using a cloud-based smartphone application
2021 CAP Virtual Congress · Virtual (Underline Conference System)
Presenting author · Presenter: Udbhav Ram
Presented
Title variants in source materials
- Quantitative analysis of gel electrophoresis images
- Quantitative analysis of Gel electrophoresis images using cloud based, machine learning analysis
Open-source contributions named there
Project MONAI
Contribution to the public MONAI tutorials repository.
OpenHands
Public contribution to the OpenHands project.