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Brain tumors are one of the deadliest forms of cancer with a mortality rate of over 80%. A quick and accurate diagnosis is crucial to increase the chance of survival. However, in medical analysis, the manual annotation and segmentation of a…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Zachary Schwehr , Sriman Achanta

Machine learning has been widely adopted for medical image analysis in recent years given its promising performance in image segmentation and classification tasks. As a data-driven science, the success of machine learning, in particular…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Chengliang Dai , Shuo Wang , Yuanhan Mo , Kaichen Zhou , Elsa Angelini , Yike Guo , Wenjia Bai

Surgical scene understanding and multi-tasking learning are crucial for image-guided robotic surgery. Training a real-time robotic system for the detection and segmentation of high-resolution images provides a challenging problem with the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Mobarakol Islam , Vibashan VS , Hongliang Ren

Automatic segmentation of brain MR images into white matter (WM), gray matter (GM), and cerebrospinal fluid (CSF) is critical for tissue volumetric analysis and cortical surface reconstruction. Due to dramatic structural and appearance…

Image and Video Processing · Electrical Eng. & Systems 2023-01-05 Xiaoyang Chen , Jinjian Wu , Wenjiao Lyu , Yicheng Zou , Kim-Han Thung , Siyuan Liu , Ye Wu , Sahar Ahmad , Pew-Thian Yap

Accurate segmentation of tissue in histopathological images can be very beneficial for defining regions of interest (ROI) for streamline of diagnostic and prognostic tasks. Still, adapting to different domains is essential for…

Image and Video Processing · Electrical Eng. & Systems 2023-03-10 Saul Fuster , Farbod Khoraminia , Trygve Eftestøl , Tahlita C. M. Zuiverloon , Kjersti Engan

Supervised machine learning-based medical image computing applications necessitate expert label curation, while unlabelled image data might be relatively abundant. Active learning methods aim to prioritise a subset of available image data…

We propose a novel semi-supervised image segmentation method that simultaneously optimizes a supervised segmentation and an unsupervised reconstruction objectives. The reconstruction objective uses an attention mechanism that separates the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Shuai Chen , Gerda Bortsova , Antonio Garcia-Uceda Juarez , Gijs van Tulder , Marleen de Bruijne

Automated segmentation proves to be a valuable tool in precisely detecting tumors within medical images. The accurate identification and segmentation of tumor types hold paramount importance in diagnosing, monitoring, and treating highly…

Image and Video Processing · Electrical Eng. & Systems 2024-03-15 Fadillah Maani , Anees Ur Rehman Hashmi , Mariam Aljuboory , Numan Saeed , Ikboljon Sobirov , Mohammad Yaqub

State-of-the-art brain tumor segmentation is based on deep learning models applied to multi-modal MRIs. Currently, these models are trained on images after a preprocessing stage that involves registration, interpolation, brain extraction…

Image and Video Processing · Electrical Eng. & Systems 2022-12-29 Bruno Machado Pacheco , Guilherme de Souza e Cassia , Danilo Silva

Automatic segmentation of tumor lesions is a critical initial processing step for quantitative PET/CT analysis. However, numerous tumor lesion with different shapes, sizes, and uptake intensity may be distributed in different anatomical…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Shaonan Zhong , Junyang Mo , Zhantao Liu

Deep learning models have demonstrated great potential in medical 3D imaging, but their development is limited by the expensive, large volume of annotated data required. Active learning (AL) addresses this by training a model on a subset of…

We have developed a novel method to describe human white matter anatomy using an approach that is both intuitive and simple to use, and which automatically extracts white matter tracts from diffusion MRI volumes. Further, our method…

Neurons and Cognition · Quantitative Biology 2015-12-24 Demian Wassermann , Makris Nikos , Yogesh Rathi , Shenton Martha , Ron Kikinis , Marek Kubicki , Carl-Fredrik Westin

This work presents BundleSeg, a reliable, reproducible, and fast method for extracting white matter pathways. The proposed method combines an iterative registration procedure with a recently developed precise streamline search algorithm…

Image and Video Processing · Electrical Eng. & Systems 2023-08-23 Etienne St-Onge , Kurt G Schilling , Francois Rheault

For the majority of the learning-based segmentation methods, a large quantity of high-quality training data is required. In this paper, we present a novel learning-based segmentation model that could be trained semi- or un- supervised.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Junyu Chen , Eric C. Frey

White matter bundle segmentation is a cornerstone of modern tractography to study the brain's structural connectivity in domains such as neurological disorders, neurosurgery, and aging. In this study, we present FIESTA (FIbEr Segmentation…

Medical image analysis requires substantial labeled data for model training, yet expert annotation is expensive and time-consuming. Active learning (AL) addresses this challenge by strategically selecting the most informative samples for…

Image and Video Processing · Electrical Eng. & Systems 2026-03-06 Ifrat Ikhtear Uddin , Longwei Wang , Xiao Qin , Yang Zhou , KC Santosh

Medical images used in clinical practice are heterogeneous and not the same quality as scans studied in academic research. Preprocessing breaks down in extreme cases when anatomy, artifacts, or imaging parameters are unusual or protocols…

Image and Video Processing · Electrical Eng. & Systems 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

The performance of learning-based algorithms improves with the amount of labelled data used for training. Yet, manually annotating data is particularly difficult for medical image segmentation tasks because of the limited expert…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Mélanie Gaillochet , Christian Desrosiers , Hervé Lombaert

Stereotactic radiosurgery is a minimally-invasive treatment option for a large number of patients with intracranial tumors. As part of the therapy treatment, accurate delineation of brain tumors is of great importance. However,…

Automated segmentation of cancer on medical images can aid targeted diagnostic and therapeutic procedures. However, its adoption is limited by the high cost of expert annotations required for training and inter-observer variability in…

Image and Video Processing · Electrical Eng. & Systems 2025-05-26 Lynn Karam , Yipei Wang , Veeru Kasivisvanathan , Mirabela Rusu , Yipeng Hu , Shaheer U. Saeed