AAPM | COMP Joint Meeting · Vancouver · July 19-22

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Poster Program 1942 Invited Program 657 Proffered Program 492 General Events 7

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Poster GPD-D-117 Poster Program Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Spectral Graph Matching for Robust Longitudinal Lesion Correspondence on Foundation-Model Segmentations

Lesion tracking establishes correspondence across imaging time points to assess disease evolution and treatment response. Despite registration-, graph-, and AI-based methods across CT, MR, PET, and PET/MR, robust correspondence i...

Fereshteh Yousefirizi, PhD
Diagnostic and Interventional Radiology Physics 0 people interested
Talk Proffered Program Room 220
Jul 19 · 14:32
Spectral Half-Value Layer Determination of Mammographic Beam Qualities

Half-value layer (HVL) is a common beam quality parameter, but physical measurement is often time-consuming and difficult. This work presents a faster spectral method for determining HVL for four sets of polyenergetic mammography...

Ryan Gardner
Diagnostic and Interventional Radiology Physics 3 people interested
Poster GPD-T-367 Poster Program Exhibit Hall | Poster Lounge
Jul 19 · 15:15
Spectral Reconstruction of High-Energy Photon Beams from Depth Dose Curves Using Neural Networks for Beam Characterisation In Radiotherapy

Precise knowledge of high-energy photon spectra from clinical linear accelerators (linacs) is important for dosimetry in radiotherapy. High-energy photon spectra cannot be measured directly, so alternative methods are required. I...

Louisa Reimers, MSc
Therapy Physics 0 people interested