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Surgical instrument segmentation for robot-assisted surgery is needed for accurate instrument tracking and augmented reality overlays. Therefore, the topic has been the subject of a number of recent papers in the CAI community. Deep…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Megha Kalia , Tajwar Abrar Aleef , Nassir Navab , Septimiu E. Salcudean

Data Augmentation (DA) is a technique to increase the quantity and diversity of the training data, and by that alleviate overfitting and improve generalisation. However, standard DA produces synthetic data for augmentation with limited…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Lorenzo Tronchin , Minh H. Vu , Paolo Soda , Tommy Löfstedt

Purpose: The goal of this study is to show the advantage of a collaborative work in the annotation and evaluation of prostate cancer tissues from T2-weighted MRI compared to the commonly used double blind evaluation. Methods: The…

Medical Physics · Physics 2017-08-30 Christian Mata , Alain Lalande , Paul Walker , Arnau Oliver , Joan Martí

The use of semantic segmentation for masking and cropping input images has proven to be a significant aid in medical imaging classification tasks by decreasing the noise and variance of the training dataset. However, implementing this…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Kaiyang Cheng , Claudia Iriondo , Francesco Calivá , Justin Krogue , Sharmila Majumdar , Valentina Pedoia

Magnetic Resonance Imaging (MRI) of the brain has been used to investigate a wide range of neurological disorders, but data acquisition can be expensive, time-consuming, and inconvenient. Multi-site studies present a valuable opportunity to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Harrison Nguyen , Richard W. Morris , Anthony W. Harris , Mayuresh S. Korgoankar , Fabio Ramos

The histopathological analysis of whole-slide images (WSIs) is fundamental to cancer diagnosis but is a time-consuming and expert-driven process. While deep learning methods show promising results, dominant patch-based methods artificially…

Image and Video Processing · Electrical Eng. & Systems 2025-10-08 Alexander Weers , Alexander H. Berger , Laurin Lux , Peter Schüffler , Daniel Rueckert , Johannes C. Paetzold

\textit{Objectives}: Data scarcity and domain shifts lead to biased training sets that do not accurately represent deployment conditions. A related practical problem is cross-modal image segmentation, where the objective is to segment…

Image and Video Processing · Electrical Eng. & Systems 2024-04-01 Guillaume Sallé , Pierre-Henri Conze , Julien Bert , Nicolas Boussion , Dimitris Visvikis , Vincent Jaouen

Histopathological image analysis is a reliable method for prostate cancer identification. In this paper, we present a comparative analysis of two approaches for segmenting glandular structures in prostate images to automate Gleason grading.…

Image and Video Processing · Electrical Eng. & Systems 2025-01-23 Feda Bolus Al Baqain , Omar Sultan Al-Kadi

Segmentation of histopathology sections is an ubiquitous requirement in digital pathology and due to the large variability of biological tissue, machine learning techniques have shown superior performance over standard image processing…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Philipp Kainz , Michael Pfeiffer , Martin Urschler

Automated segmentation can assist radiotherapy treatment planning by saving manual contouring efforts and reducing intra-observer and inter-observer variations. The recent development of deep learning approaches has revoluted medical data…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Zhuangzhuang Zhang , Tianyu Zhao , Hiram Gay , Baozhou Sun , Weixiong Zhang

Quantitative assessment of treatment response in Advanced Prostate Cancer (APC) with bone metastases remains an unmet clinical need. Whole-Body Diffusion-Weighted MRI (WB-DWI) provides two response biomarkers: Total Diffusion Volume (TDV)…

Medical image segmentation models are often trained on curated datasets, leading to performance degradation when deployed in real-world clinical settings due to mismatches between training and test distributions. While data augmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Puru Vaish , Felix Meister , Tobias Heimann , Christoph Brune , Jelmer M. Wolterink

Over the past decades, statisticians and machine-learning researchers have developed literally thousands of new tools for the reduction of high-dimensional data in order to identify the variables most responsible for a particular trait.…

Machine Learning · Statistics 2012-05-31 Chamont Wang , Jana Gevertz , Chaur-Chin Chen , Leonardo Auslender

Generating realistic tissue images with annotations is a challenging task that is important in many computational histopathology applications. Synthetically generated images and annotations are valuable for training and evaluating…

Image and Video Processing · Electrical Eng. & Systems 2024-04-08 Srijay Deshpande , Fayyaz Minhas , Nasir Rajpoot

We present an empirical evaluation of fMRI data augmentation via synthesis. For synthesis we use generative mod-els trained on real neuroimaging data to produce novel task-dependent functional brain images. Analyzed generative mod-els…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Peiye Zhuang , Alexander G. Schwing , Sanmi Koyejo

Despite data augmentation being a de facto technique for boosting the performance of deep neural networks, little attention has been paid to developing augmentation strategies for generative adversarial networks (GANs). To this end, we…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Prateek Katiyar , Anna Khoreva

There remains an important need for the development of image reconstruction methods that can produce diagnostically useful images from undersampled measurements. In magnetic resonance imaging (MRI), for example, such methods can facilitate…

Image and Video Processing · Electrical Eng. & Systems 2021-06-28 Varun A. Kelkar , Sayantan Bhadra , Mark A. Anastasio

Prostate and zonal segmentation is a crucial step for clinical diagnosis of prostate cancer (PCa). Computer-aided diagnosis tools for prostate segmentation are based on the deep learning (DL) paradigm. However, deep neural networks are…

Data scarcity and class imbalance are two fundamental challenges in many machine learning applications to healthcare. Breast cancer classification in mammography exemplifies these challenges, with a malignancy rate of around 0.5% in a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Eric Wu , Kevin Wu , William Lotter

In order to achieve good performance and generalisability, medical image segmentation models should be trained on sizeable datasets with sufficient variability. Due to ethics and governance restrictions, and the costs associated with…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Virginia Fernandez , Walter Hugo Lopez Pinaya , Pedro Borges , Petru-Daniel Tudosiu , Mark S Graham , Tom Vercauteren , M Jorge Cardoso