Search Results for author: Abraham George Smith

Found 4 papers, 3 papers with code

Prediction of post-radiotherapy recurrence volumes in head and neck squamous cell carcinoma using 3D U-Net segmentation

no code implementations16 Aug 2023 Denis Kutnár, Ivan R Vogelius, Katrin Elisabet Håkansson, Jens Petersen, Jeppe Friborg, Lena Specht, Mogens Bernsdorf, Anita Gothelf, Claus Kristensen, Abraham George Smith

We investigated the extent to which a Convolutional neural network (CNN) is able to predict LRR volumes based on pre-treatment 18F-fluorodeoxyglucose positron emission tomography (FDG-PET)/computed tomography (CT) scans in HNSCC patients and thus the potential to identify biological high risk volumes using CNNs.

Computed Tomography (CT) POS

Localise to segment: crop to improve organ at risk segmentation accuracy

1 code implementation10 Apr 2023 Abraham George Smith, Denis Kutnár, Ivan Richter Vogelius, Sune Darkner, Jens Petersen

Some deep learning methods for the segmentation of organs at risk use a two stage process where a localisation network first crops an image to the relevant region and then a locally specialised network segments the cropped organ of interest.

Organ Segmentation Segmentation

RootPainter3D: Interactive-machine-learning enables rapid and accurate contouring for radiotherapy

1 code implementation22 Jun 2021 Abraham George Smith, Jens Petersen, Cynthia Terrones-Campos, Anne Kiil Berthelsen, Nora Jarrett Forbes, Sune Darkner, Lena Specht, Ivan Richter Vogelius

Organ-at-risk contouring is still a bottleneck in radiotherapy, with many deep learning methods falling short of promised results when evaluated on clinical data.

BIG-bench Machine Learning

Segmentation of Roots in Soil with U-Net

1 code implementation28 Feb 2019 Abraham George Smith, Jens Petersen, Raghavendra Selvan, Camilla Ruø Rasmussen

We evaluate our system using 867 images for which we have obtained line-intersect counts, attaining a Spearman rank correlation of 0. 9748 and an $r^2$ of 0. 9217.

Image Segmentation Segmentation +1

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