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Automatic skin lesion segmentation on dermoscopic images is an essential component in computer-aided diagnosis of melanoma. Recently, many fully supervised deep learning based methods have been proposed for automatic skin lesion…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Xiaomeng Li , Lequan Yu , Hao Chen , Chi-Wing Fu , Pheng-Ann Heng

Due to the difficulties of obtaining multimodal paired images in clinical practice, recent studies propose to train brain tumor segmentation models with unpaired images and capture complementary information through modality translation.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Zecheng Liu , Jia Wei , Rui Li

The goal of unsupervised anomaly segmentation (UAS) is to detect the pixel-level anomalies unseen during training. It is a promising field in the medical imaging community, e.g, we can use the model trained with only healthy data to segment…

Image and Video Processing · Electrical Eng. & Systems 2021-03-17 Chenxin Li , Yunlong Zhang , Jiongcheng Li , Yue Huang , Xinghao Ding

Ultrasound imaging is one of the most widely used diagnostic modalities, offering real-time, radiation-free assessment across diverse clinical domains. However, interpretation of ultrasound images remains challenging due to high noise…

Image and Video Processing · Electrical Eng. & Systems 2025-11-10 Youssef Megahed , Robin Ducharme , Aylin Erman , Mark Walker , Steven Hawken , Adrian D. C. Chan

Diffusion magnetic resonance imaging (dMRI) is a crucial technique in neuroimaging studies, allowing for the non-invasive probing of the underlying structures of brain tissues. Clinical dMRI data is susceptible to various artifacts during…

Image and Video Processing · Electrical Eng. & Systems 2024-09-25 Sheng Chen , Zihao Tang , Xinyi Wang , Chenyu Wang , Weidong Cai

Deep learning algorithms have accounted for the rapid acceleration of research in artificial intelligence in medical image analysis, interpretation, and segmentation with many potential applications across various sub disciplines in…

Image and Video Processing · Electrical Eng. & Systems 2020-12-23 Shanaka Ramesh Gunasekara , HNTK Kaldera , Maheshi B. Dissanayake

Unsupervised learning can discover various unseen abnormalities, relying on large-scale unannotated medical images of healthy subjects. Towards this, unsupervised methods reconstruct a 2D/3D single medical image to detect outliers either in…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Changhee Han , Leonardo Rundo , Kohei Murao , Tomoyuki Noguchi , Yuki Shimahara , Zoltan Adam Milacski , Saori Koshino , Evis Sala , Hideki Nakayama , Shinichi Satoh

Early detection of anomalies in medical images such as brain MRI is highly relevant for diagnosis and treatment of many conditions. Supervised machine learning methods are limited to a small number of pathologies where there is good…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Alexander Frotscher , Jaivardhan Kapoor , Thomas Wolfers , Christian F. Baumgartner

Automation of brain tumor segmentation in 3D magnetic resonance images (MRIs) is key to assess the diagnostic and treatment of the disease. In recent years, convolutional neural networks (CNNs) have shown improved results in the task.…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Laura Mora Ballestar , Veronica Vilaplana

Ultrasound imaging is challenging to interpret due to non-uniform intensities, low contrast, and inherent artifacts, necessitating extensive training for non-specialists. Advanced representation with clear tissue structure separation could…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Oleksandra Tmenova , Yordanka Velikova , Mahdi Saleh , Nassir Navab

Classification of gigapixel Whole Slide Images (WSIs) is an important prediction task in the emerging area of computational pathology. There has been a surge of research in deep learning models for WSI classification with clinical…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Sajid Javed , Arif Mahmood , Talha Qaiser , Naoufel Werghi , Nasir Rajpoot

Achieving precise medical image segmentation is vital for effective treatment planning and accurate disease diagnosis. Traditional fully-supervised deep learning methods, though highly precise, are heavily reliant on large volumes of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Sicheng Shen , Jinming Cao , Yifang Yin , Roger Zimmermann

The success of deep neural networks often relies on a large amount of labeled examples, which can be difficult to obtain in many real scenarios. To address this challenge, unsupervised methods are strongly preferred for training neural…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Liheng Zhang , Guo-Jun Qi , Liqiang Wang , Jiebo Luo

This research presents an enhanced approach for precise segmentation of brain tumor masses in magnetic resonance imaging (MRI) using an advanced 3D-UNet model combined with a Context Transformer (CoT). By architectural expansion CoT, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Thien-Qua T. Nguyen , Hieu-Nghia Nguyen , Thanh-Hieu Bui , Thien B. Nguyen-Tat , Vuong M. Ngo

Brain pathologies can vary greatly in size and shape, ranging from few pixels (i.e. MS lesions) to large, space-occupying tumors. Recently proposed Autoencoder-based methods for unsupervised anomaly segmentation in brain MRI have shown…

Image and Video Processing · Electrical Eng. & Systems 2020-06-24 Christoph Baur , Benedikt Wiestler , Shadi Albarqouni , Nassir Navab

The accurate segmentation of lesions in whole-body PET/CT imaging is es-sential for tumor characterization, treatment planning, and response assess-ment, yet current manual workflows are labor-intensive and prone to inter-observer…

Image and Video Processing · Electrical Eng. & Systems 2025-09-04 Moona Mazher , Steven A Niederer , Abdul Qayyum

This paper presents a simple yet effective two-stage framework for semi-supervised medical image segmentation. Unlike prior state-of-the-art semi-supervised segmentation methods that predominantly rely on pseudo supervision directly on…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Huimin Wu , Xiaomeng Li , Kwang-Ting Cheng

Segmenting brain tumors in multi-parametric magnetic resonance imaging enables performing quantitative analysis in support of clinical trials and personalized patient care. This analysis provides the potential to impact clinical…

Using multimodal Magnetic Resonance Imaging (MRI) is necessary for accurate brain tumor segmentation. The main problem is that not all types of MRIs are always available in clinical exams. Based on the fact that there is a strong…

Image and Video Processing · Electrical Eng. & Systems 2021-11-11 Tongxue Zhou , Stéphane Canu , Pierre Vera , Su Ruan

Brain tumor is deliberated as one of the severe health complications which lead to decrease in life expectancy of the individuals and is also considered as a prominent cause of mortality worldwide. Therefore, timely detection and prediction…

Image and Video Processing · Electrical Eng. & Systems 2023-07-18 Tejashwini P S , Thriveni J , Venugopal K R