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Multiple sclerosis (MS) is a demyelinating disease that affects more than 2 million people worldwide. The most used imaging technique to help in its diagnosis and follow-up is magnetic resonance imaging (MRI). Fluid Attenuated Inversion…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Paulo G. L. Freire , Ricardo J. Ferrari

Skin lesions segmentation is an important step in the process of automated diagnosis of the skin melanoma. However, the accuracy of segmenting melanomas skin lesions is quite a challenging task due to less data for training, irregular…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Sabari Nathan , Priya Kansal

We propose a generalized focal loss function based on the Tversky index to address the issue of data imbalance in medical image segmentation. Compared to the commonly used Dice loss, our loss function achieves a better trade off between…

Computer Vision and Pattern Recognition · Computer Science 2018-10-19 Nabila Abraham , Naimul Mefraz Khan

The third autoPET challenge introduced a new data-centric task this year, shifting the focus from model development to improving metastatic lesion segmentation on PET/CT images through data quality and handling strategies. In response, we…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Balint Kovacs , Shuhan Xiao , Maximilian Rokuss , Constantin Ulrich , Fabian Isensee , Klaus H. Maier-Hein

Reliable classification of benign and malignant lesions in breast ultrasound images can provide an effective and relatively low cost method for early diagnosis of breast cancer. The accuracy of the diagnosis is however highly dependent on…

Image and Video Processing · Electrical Eng. & Systems 2021-02-24 Elham Yousef Kalaf , Ata Jodeiri , Seyed Kamaledin Setarehdan , Ng Wei Lin , Kartini Binti Rahman , Nur Aishah Taib , Sarinder Kaur Dhillon

In recent years the importance of finding a meaningful pattern from huge datasets has become more challenging. Data miners try to adopt innovative methods to face this problem by applying feature selection methods. In this paper we propose…

Machine Learning · Computer Science 2014-03-11 Mehdi Naseriparsa , Amir-masoud Bidgoli , Touraj Varaee

We propose a fully-automated method for accurate and robust detection and segmentation of potentially cancerous lesions found in the liver and in lymph nodes. The process is performed in three steps, including organ detection, lesion…

Computer Vision and Pattern Recognition · Computer Science 2017-03-21 Assaf Hoogi , John W. Lambert , Yefeng Zheng , Dorin Comaniciu , Daniel L. Rubin

The field of computational pathology has witnessed great advancements since deep neural networks have been widely applied. These networks usually require large numbers of annotated data to train vast parameters. However, it takes…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Yixiao Zhang , Adam Kortylewski , Qing Liu , Seyoun Park , Benjamin Green , Elizabeth Engle , Guillermo Almodovar , Ryan Walk , Sigfredo Soto-Diaz , Janis Taube , Alex Szalay , Alan Yuille

Histopathological image analysis is an essential process for the discovery of diseases such as cancer. However, it is challenging to train CNN on whole slide images (WSIs) of gigapixel resolution considering the available memory capacity.…

Image and Video Processing · Electrical Eng. & Systems 2019-10-11 Shusuke Takahama , Yusuke Kurose , Yusuke Mukuta , Hiroyuki Abe , Masashi Fukayama , Akihiko Yoshizawa , Masanobu Kitagawa , Tatsuya Harada

Medical images often exhibit low and blurred contrast between lesions and surrounding tissues, with considerable variation in lesion edges and shapes even within the same disease, leading to significant challenges in segmentation.…

Image and Video Processing · Electrical Eng. & Systems 2025-02-12 Wang Jiangtao , Nur Intan Raihana Ruhaiyem , Fu Panpan

Medical imaging plays a crucial role in modern healthcare by providing non-invasive visualisation of internal structures and abnormalities, enabling early disease detection, accurate diagnosis, and treatment planning. This study aims to…

Image and Video Processing · Electrical Eng. & Systems 2023-09-25 Walid Ehab , Yongmin Li

How to mitigate negative transfer in transfer learning is a long-standing and challenging issue, especially in the application of medical image segmentation. Existing methods for reducing negative transfer focus on classification or…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Shutong Duan , Jingyun Yang , Yang Tan , Guoqing Zhang , Yang Li , Xiao-Ping Zhang

A novel method for tackling the problem of imbalanced data in medical image segmentation is proposed in this work. In balanced cross entropy (CE) loss, which is a type of weighted CE loss, the weight assigned to each class is the in-verse…

Image and Video Processing · Electrical Eng. & Systems 2024-12-10 Seyed Mohsen Hosseini , Mahdieh Soleymani Baghshah

X-Ray image enhancement, along with many other medical image processing applications, requires the segmentation of images into bone, soft tissue, and open beam regions. We apply a machine learning approach to this problem, presenting an…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Joseph Bullock , Carolina Cuesta-Lazaro , Arnau Quera-Bofarull

Interactive segmentation is a promising strategy for building robust, generalisable algorithms for volumetric medical image segmentation. However, inconsistent and clinically unrealistic evaluation hinders fair comparison and misrepresents…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Parhom Esmaeili , Virginia Fernandez , Pedro Borges , Eli Gibson , Sebastien Ourselin , M. Jorge Cardoso

Melanoma is amongst most aggressive types of cancer. However, it is highly curable if detected in its early stages. Prescreening of suspicious moles and lesions for malignancy is of great importance. Detection can be done by images captured…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Mohammad H. Jafari , Ebrahim Nasr-Esfahani , Nader Karimi , S. M. Reza Soroushmehr , Shadrokh Samavi , Kayvan Najarian

This paper focuses on the uncertainty estimation for white matter lesions (WML) segmentation in magnetic resonance imaging (MRI). On one side, voxel-scale segmentation errors cause the erroneous delineation of the lesions; on the other…

Image and Video Processing · Electrical Eng. & Systems 2023-11-16 Nataliia Molchanova , Vatsal Raina , Andrey Malinin , Francesco La Rosa , Henning Muller , Mark Gales , Cristina Granziera , Mara Graziani , Meritxell Bach Cuadra

Detection of surgical instruments plays a key role in ensuring patient safety in minimally invasive surgery. In this paper, we present a novel method for 2D vision-based recognition and pose estimation of surgical instruments that…

Computer Vision and Pattern Recognition · Computer Science 2017-10-19 Thomas Kurmann , Pablo Marquez Neila , Xiaofei Du , Pascal Fua , Danail Stoyanov , Sebastian Wolf , Raphael Sznitman

Super-resolution (SR) for image enhancement has great importance in medical image applications. Broadly speaking, there are two types of SR, one requires multiple low resolution (LR) images from different views of the same object to be…

Image and Video Processing · Electrical Eng. & Systems 2018-10-17 Jin Zhu , Guang Yang , Pietro Lio
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