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This work proves that semantic segmentation on minimally invasive surgical instruments can be improved by using training data that has been augmented through domain adaptation. The benefit of this method is twofold. Firstly, it suppresses…

Computer Vision and Pattern Recognition · Computer Science 2020-06-08 Iñigo Azqueta-Gavaldon , Florian Fröhlich , Klaus Strobl , Rudolph Triebel

Data augmentation is one of the most prevalent tools in deep learning, underpinning many recent advances, including those from classification, generative models, and representation learning. The standard approach to data augmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Brandon Trabucco , Kyle Doherty , Max Gurinas , Ruslan Salakhutdinov

Purpose: The purpose of this study is to investigate the robustness of a commonly-used convolutional neural network for image segmentation with respect to visually-subtle adversarial perturbations, and suggest new methods to make these…

Image and Video Processing · Electrical Eng. & Systems 2019-08-05 Zheng Liu , Jinnian Zhang , Varun Jog , Po-Ling Loh , Alan B McMillan

Image segmentation is a fundamental and challenging problem in computer vision with applications spanning multiple areas, such as medical imaging, remote sensing, and autonomous vehicles. Recently, convolutional neural networks (CNNs) have…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Ali Hatamizadeh

Convolutional neural networks demonstrated outstanding empirical results in computer vision and speech recognition tasks where labeled training data is abundant. In medical imaging, there is a huge variety of possible imaging modalities and…

Computer Vision and Pattern Recognition · Computer Science 2015-12-21 Vlado Menkovski , Zharko Aleksovski , Axel Saalbach , Hannes Nickisch

Training deep neural networks on large and sparse datasets is still challenging and can require large amounts of computation and memory. In this work, we address the task of performing semantic segmentation on large volumetric data sets,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-09 Lorenz Berger , Eoin Hyde , Matt Gibb , Nevil Pavithran , Garin Kelly , Faiz Mumtaz , Sébastien Ourselin

Fine-tuning a network which has been trained on a large dataset is an alternative to full training in order to overcome the problem of scarce and expensive data in medical applications. While the shallow layers of the network are usually…

Image and Video Processing · Electrical Eng. & Systems 2020-02-21 Mina Amiri , Rupert Brooks , Hassan Rivaz

Data augmentation is a ubiquitous technique for increasing the size of labeled training sets by leveraging task-specific data transformations that preserve class labels. While it is often easy for domain experts to specify individual…

Machine Learning · Statistics 2018-12-10 Alexander J. Ratner , Henry R. Ehrenberg , Zeshan Hussain , Jared Dunnmon , Christopher Ré

In this paper, we propose a novel data augmentation strategy named Cut-Thumbnail, that aims to improve the shape bias of the network. We reduce an image to a certain size and replace the random region of the original image with the reduced…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Tianshu Xie , Xuan Cheng , Minghui Liu , Jiali Deng , Xiaomin Wang , Ming Liu

Deep convolutional neural networks (CNNs) have shown excellent performance in object recognition tasks and dense classification problems such as semantic segmentation. However, training deep neural networks on large and sparse datasets is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-25 Lorenz Berger , Eoin Hyde , M. Jorge Cardoso , Sebastien Ourselin

Data augmentation is a popular technique largely used to enhance the training of convolutional neural networks. Although many of its benefits are well known by deep learning researchers and practitioners, its implicit regularization…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Alex Hernández-García , Peter König

As the world progresses in technology and health, awareness of disease by revealing asymptomatic signs improves. It is important to detect and treat tumors in early stage as it can be life-threatening. Computer-aided technologies are used…

Image and Video Processing · Electrical Eng. & Systems 2023-07-27 Roa'a Al-Emaryeen , Sara Al-Nahhas , Fatima Himour , Waleed Mahafza , Omar Al-Kadi

Recent advances in generative models, such as diffusion models, have made generating high-quality synthetic images widely accessible. Prior works have shown that training on synthetic images improves many perception tasks, such as image…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Jacob Schnell , Jieke Wang , Lu Qi , Vincent Tao Hu , Meng Tang

Recent work has shown that deep vision models tend to be overly dependent on low-level or "texture" features, leading to poor generalization. Various data augmentation strategies have been proposed to overcome this so-called texture bias in…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Aditay Tripathi , Rishubh Singh , Anirban Chakraborty , Pradeep Shenoy

Deep neural networks have achieved impressive performance in a wide variety of medical imaging tasks. However, these models often fail on data not used during training, such as data originating from a different medical centre. How to…

Image and Video Processing · Electrical Eng. & Systems 2022-12-05 Joona Pohjonen , Carolin Stürenberg , Atte Föhr , Reija Randen-Brady , Lassi Luomala , Jouni Lohi , Esa Pitkänen , Antti Rannikko , Tuomas Mirtti

Accurate lesion segmentation in whole-body PET/CT scans is crucial for cancer diagnosis and treatment planning, but limited datasets often hinder the performance of automated segmentation models. In this paper, we explore the potential of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-13 Lap Yan Lennon Chan , Chenxin Li , Yixuan Yuan

The performance of deep segmentation models often degrades due to distribution shifts in image intensities between the training and test data sets. This is particularly pronounced in multi-centre studies involving data acquired using…

Image and Video Processing · Electrical Eng. & Systems 2021-08-03 Zhendong Liu , Van Manh , Xin Yang , Xiaoqiong Huang , Karim Lekadir , Víctor Campello , Nishant Ravikumar , Alejandro F Frangi , Dong Ni

In this work we examine the performance enhancement in classification of medical imaging data when image features are combined with associated non-image data. We compare the performance of eight state-of-the-art deep neural networks in…

Image and Video Processing · Electrical Eng. & Systems 2021-11-30 Spencer A. Thomas

Image segmentation, the process of partitioning an image into meaningful regions, plays a pivotal role in computer vision and medical imaging applications. Unsupervised segmentation, particularly in the absence of labeled data, remains a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Kovvuri Sai Gopal Reddy , Bodduluri Saran , A. Mudit Adityaja , Saurabh J. Shigwan , Nitin Kumar

With the latest advances in Deep Learning-based generative models, it has not taken long to take advantage of their remarkable performance in the area of time series. Deep neural networks used to work with time series heavily depend on the…

Machine Learning · Computer Science 2024-02-19 Guillermo Iglesias , Edgar Talavera , Ángel González-Prieto , Alberto Mozo , Sandra Gómez-Canaval