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Metrics optimized in complex machine learning tasks are often selected in an ad-hoc manner. It is unknown how they align with human expert perception. We explore the correlations between established quantitative segmentation quality metrics…

Gliomas are the most prevalent type of primary brain tumors, and their accurate segmentation from MRI is critical for diagnosis, treatment planning, and longitudinal monitoring. However, the scarcity of high-quality annotated imaging data…

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

A glioma is a malignant brain tumor that seriously affects cognitive functions and lowers patients' life quality. Segmentation of brain glioma is challenging because of interclass ambiguities in tumor regions. Recently, deep learning…

Image and Video Processing · Electrical Eng. & Systems 2022-11-02 Yiming Yao , Peisheng Qian , Ziyuan Zhao , Zeng Zeng

Segmentation is a crucial task in the medical imaging field and is often an important primary step or even a prerequisite to the analysis of medical volumes. Yet treatments such as surgery complicate the accurate delineation of regions of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-13 Heejong Kim , Leo Milecki , Mina C Moghadam , Fengbei Liu , Minh Nguyen , Eric Qiu , Abhishek Thanki , Mert R Sabuncu

Pediatric brain tumors, particularly gliomas, represent a significant cause of cancer related mortality in children with complex infiltrative growth patterns that complicate treatment. Early, accurate segmentation of these tumors in…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Harish Thangaraj , Diya Katariya , Eshaan Joshi , Sangeetha N

In this study, an automated three dimensional (3D) deep segmentation approach for detecting gliomas in 3D pre-operative MRI scans is proposed. Then, a classi-fication algorithm based on random forests, for survival prediction is presented.…

Image and Video Processing · Electrical Eng. & Systems 2019-11-20 Mehdi Amian , Mohammadreza Soltaninejad

Deep learning-based approaches achieve state-of-the-art performance in the majority of image segmentation benchmarks. However, training of such models requires a sizable amount of manual annotations. In order to reduce this effort, we…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Mahdyar Ravanbakhsh , Tassilo Klein , Kayhan Batmanghelich , Moin Nabi

Annotation ambiguity due to inherent data uncertainties such as blurred boundaries in medical scans and different observer expertise and preferences has become a major obstacle for training deep-learning based medical image segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Yicheng Wu , Xiangde Luo , Zhe Xu , Xiaoqing Guo , Lie Ju , Zongyuan Ge , Wenjun Liao , Jianfei Cai

The labor-intensive annotation process of semantic segmentation datasets is often prone to errors, since humans struggle to label every pixel correctly. We study algorithms to automatically detect such annotation errors, in particular…

Machine Learning · Computer Science 2023-07-12 Vedang Lad , Jonas Mueller

Machine learning has been widely adopted for medical image analysis in recent years given its promising performance in image segmentation and classification tasks. The success of machine learning, in particular supervised learning, depends…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Chengliang Dai , Shuo Wang , Yuanhan Mo , Elsa Angelini , Yike Guo , Wenjia Bai

Image segmentation is a critical step in computational biomedical image analysis, typically evaluated using metrics like the Dice coefficient during training and validation. However, in clinical settings without manual annotations,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Sikha O K , Meritxell Riera-Marín , Adrian Galdran , Javier García Lopez , Julia Rodríguez-Comas , Gemma Piella , Miguel A. González Ballester

Most of the current state-of-the-art methods for tumor segmentation are based on machine learning models trained on manually segmented images. This type of training data is particularly costly, as manual delineation of tumors is not only…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

Annotation and labeling of images are some of the biggest challenges in applying deep learning to medical data. Current processes are time and cost-intensive and, therefore, a limiting factor for the wide adoption of the technology.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Manuel Zahn , Douglas P. Perrin

Assigning meaning to parts of image data is the goal of semantic image segmentation. Machine learning methods, specifically supervised learning is commonly used in a variety of tasks formulated as semantic segmentation. One of the major…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Lu Yin , Vlado Menkovski , Shiwei Liu , Mykola Pechenizkiy

Quality estimation aims to measure the quality of translated content without access to a reference translation. This is crucial for machine translation systems in real-world scenarios where high-quality translation is needed. While many…

Computation and Language · Computer Science 2021-02-09 Yi-Lin Tuan , Ahmed El-Kishky , Adithya Renduchintala , Vishrav Chaudhary , Francisco Guzmán , Lucia Specia

A critical challenge for tumour segmentation models is the ability to adapt to diverse clinical settings, particularly when applied to poor-quality neuroimaging data. The uncertainty surrounding this adaptation stems from the lack of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Alyssa R. Amod , Alexandra Smith , Pearly Joubert , Confidence Raymond , Dong Zhang , Udunna C. Anazodo , Dodzi Motchon , Tinashe E. M. Mutsvangwa , Sébastien Quetin

In recent years, convolutional neural networks have demonstrated promising performance in a variety of medical image segmentation tasks. However, when a trained segmentation model is deployed into the real clinical world, the model may not…

Image and Video Processing · Electrical Eng. & Systems 2020-12-24 Shuo Wang , Giacomo Tarroni , Chen Qin , Yuanhan Mo , Chengliang Dai , Chen Chen , Ben Glocker , Yike Guo , Daniel Rueckert , Wenjia Bai

Glioblastoma is a highly aggressive and malignant brain tumor type that requires early diagnosis and prompt intervention. Due to its heterogeneity in appearance, developing automated detection approaches is challenging. To address this…

Image and Video Processing · Electrical Eng. & Systems 2024-12-31 Ziya Ata Yazıcı , İlkay Öksüz , Hazım Kemal Ekenel

Medical image segmentation is a fundamental and critical step in many image-guided clinical approaches. Recent success of deep learning-based segmentation methods usually relies on a large amount of labeled data, which is particularly…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Rushi Jiao , Yichi Zhang , Le Ding , Rong Cai , Jicong Zhang
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