Udbhav Ram.
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HomePublications & presentations

The work,
on the record.

Peer-reviewed articles, conference presentations, and posters. Conference work and exploratory software are kept distinct from published journal articles.

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Journal articles.

  1. 01
    2026-06 · Neuro-Oncology Practice · Co-author

    AI-based framework to fuse pre-RT brain metastases contours with follow-up MRI to improve post-RT assessment

    Neuro-Oncology Practice 13(3), 497–505. DOI: 10.1093/nop/npaf126

    Authors & publication dates

    Yogesh Kumar, Kayla L. Steed, Ho-Hsin Chang, Udbhav Ram, Gaurav N. Rathi, Katherine A. Heinzman, Ritish Nedunoori, Farnaz Rahim Li, Richard A. Popple, Rex Cardan, Christopher D. Willey, Drexell H. Boggs, John B. Fiveash, Carlos E. Cardenas.

    First published online 2025-12-17. Journal issue: 2026-06.

    Publication recordRead the case study
  2. 02
    2025-12 · Journal of Applied Clinical Medical Physics · First author

    Dosimetric evaluation of Ethos 2.0 high-fidelity mode for single-isocenter SRS

    Journal of Applied Clinical Medical Physics 26(12), e70370. DOI: 10.1002/acm2.70370

    Authors & publication dates

    Udbhav S. Ram, Richard A. Popple, John B. Fiveash, Katherine A. Heinzman, Yogesh Kumar, Natalie N. Viscariello, Courtney B. Stanley, Dennis N. Stanley, Carlos E. Cardenas, Joel A. Pogue.

    First published online 2025-11-21. Journal issue: 2025-12.

    Publication recordRead the case study
  3. 03
    2025-04 · Intelligent Oncology · First author

    Assessing quantitative performance and expert review of multiple deep learning-based frameworks for computed tomography-based abdominal organ auto-segmentation

    Intelligent Oncology 1(2), 160–171. DOI: 10.1016/j.intonc.2025.03.003

    Authors & publication dates

    Udbhav S. Ram, Joel A. Pogue, Michael Soike, Neil T. Pfister, Rojymon Jacob, Carlos E. Cardenas.

    First published online 2025-03-19. Journal issue: 2025-04.

    Publication recordRead the case study
  4. 04
    2020 · Molecular Nutrition & Food Research · Co-author

    The Effects of Resveratrol, Caffeine, β-Carotene, and Epigallocatechin Gallate (EGCG) on Amyloid-β25–35 Aggregation in Synthetic Brain Membranes

    Molecular Nutrition & Food Research 64(22), e2000632. DOI: 10.1002/mnfr.202000632

    Authors & publication dates

    Isabella P. Gastaldo, Sebastian Himbert, Udbhav Ram, Maikel C. Rheinstädter.

    First published online 2020-09-27. Journal issue: 2020.

    Publication recordRead the case study

Presentations
& talks.

26 event and remarks records, plus one outreach summary, reconciled through October 2026. Scheduled and coauthored contributions are labelled; this is not an exhaustive lifetime record.

Conference listings, recorded work, and delivered talks are distinguished below. The named presenter may be a collaborator.

Search all presentation records

2026

September 29, 2026 · poster

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

Source recordPermalink to this record
September 29, 2026 · poster

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
Source recordStudy detailsPermalink to this record
July 19, 2026 · poster discussion

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

Source recordPoster or abstract (PDF)Permalink to this record
July 19, 2026 · poster discussion

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

Source recordPoster or abstract (PDF)Permalink to this record
July 19, 2026 – July 22, 2026 · digital-only poster

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
Source recordPoster or abstract (PDF)Study detailsPermalink to this record
July 19, 2026 · poster discussion

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

Source recordPoster or abstract (PDF)Permalink to this record
May 14, 2026 · Research seminar

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

Permalink to this record

2025

October 31, 2025 · Invited poster presentation

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
Poster or abstract (PDF)Additional source 2Additional source 3Additional source 4Additional source 5Additional source 6Additional source 7Additional source 8Permalink to this record
July 27, 2025 – July 30, 2025 · digital-only poster

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
Source recordPoster or abstract (PDF)Study detailsPermalink to this record
July 27, 2025 · Blue Ribbon Poster

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
Source recordPoster or abstract (PDF)Study detailsPermalink to this record
March 20, 2025 · Poster presentation

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

Source recordAdditional source 2Additional source 3Permalink to this record
2025 · Thesis research talk

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
Watch recordingPermalink to this record

2024

December 13, 2024 · Institutional/ambassador presentation

McMaster UAB Partnership Summary

McMaster/UAB student exchange planning meeting · Location and attendance format unconfirmed

Presenter and student exchange advocate · Presenter: Udbhav Ram

Presented

Permalink to this record
July 23, 2024 · poster discussion

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
Source recordPoster or abstract (PDF)Study detailsPermalink to this record
July 23, 2024 · poster discussion

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
Source recordPoster or abstract (PDF)Study detailsPermalink to this record
June 5, 2024 · Oral presentation in Science Spoken Succinctly (S3) research communication competition

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

Source recordAdditional source 2Additional source 3Permalink to this record
2024 (approximate) · Invited institutional student remarks / impromptu speech

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

Source recordPermalink to this record

2023

July 23, 2023 – July 26, 2023 · ePoster viewing

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
Source recordPermalink to this record
March 23, 2023 · Oral presentation

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
Source recordWatch recordingPermalink to this record

2022

October 29, 2022 · Oral presentation, Biomedical Physics session

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
Source recordPoster or abstract (PDF)Watch recordingPermalink to this record
June 7, 2022 · Oral undergraduate competition presentation

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
Watch recordingPermalink to this record
March 2022 · Invited research talk

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

Permalink to this record

2021

June 9, 2021 · Oral undergraduate competition presentation

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
Watch recordingPermalink to this record

Outreach
& peer mentorship.

An aggregate account, kept separate from individually dated conference and institutional events.

By March 2026 · Co-op experience and student outreach talks

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.

Source recordPermalink to this record