Search Results for author: Matthew Edwards

Found 5 papers, 1 papers with code

Helpful or Harmful? Exploring the Efficacy of Large Language Models for Online Grooming Prevention

no code implementations14 Mar 2024 Ellie Prosser, Matthew Edwards

Powerful generative Large Language Models (LLMs) are becoming popular tools amongst the general public as question-answering systems, and are being utilised by vulnerable groups such as children.

Answer Generation Question Answering +1

Text generation for dataset augmentation in security classification tasks

1 code implementation22 Oct 2023 Alexander P. Welsh, Matthew Edwards

Security classifiers, designed to detect malicious content in computer systems and communications, can underperform when provided with insufficient training data.

Data Augmentation Fraud Detection +5

Extreme Augmentation : Can deep learning based medical image segmentation be trained using a single manually delineated scan?

no code implementations3 Oct 2018 Bilwaj Gaonkar, Matthew Edwards, Alex Bui, Matthew Brown, Luke Macyszyn

In the extreme, we observed that a model trained on patches extracted from just one scan, with each patch augmented 50 times; achieved a Dice score of 0. 73 in a validation set of 40 cases.

Data Augmentation Image Segmentation +3

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