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Related papers: Liver Lesion Segmentation with slice-wise 2D Tiram…

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Liver cancer has high morbidity and mortality rates in the world. Multi-phase CT is a main medical imaging modality for detecting/identifying and diagnosing liver tumors. Automatically detecting and classifying liver lesions in CT images…

Image and Video Processing · Electrical Eng. & Systems 2023-06-29 Fakai Wang , Chi-Tung Cheng , Chien-Wei Peng , Ke Yan , Min Wu , Le Lu , Chien-Hung Liao , Ling Zhang

Medical imaging has been employed to support medical diagnosis and treatment. It may also provide crucial information to surgeons to facilitate optimal surgical preplanning and perioperative management. Essentially, semi-automatic organ and…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 K. E. Sengun , Y. T. Cetin , M. S Guzel , S. Can , E. Bostanci

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

Perfusion imaging is a valuable tool for diagnosing and treatment planning for liver tumours. The time separation technique (TST) has been successfully used for modelling C-arm cone-beam computed tomography (CBCT) perfusion data. The…

KiTs19 challenge paves the way to haste the improvement of solid kidney tumor semantic segmentation methodologies. Accurate segmentation of kidney tumor in computer tomography (CT) images is a challenging task due to the non-uniform motion,…

Image and Video Processing · Electrical Eng. & Systems 2019-08-12 D. Sabarinathan , M. Parisa Beham , S. M. Md. Mansoor Roomi

Liver fibrosis poses a substantial challenge in clinical practice, emphasizing the necessity for precise liver segmentation and accurate disease staging. Based on the CARE Liver 2025 Track 4 Challenge, this study introduces a multi-task…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Boya Wang , Ruizhe Li , Chao Chen , Xin Chen

Ultrasound (US) is the most commonly used liver imaging modality worldwide. It plays an important role in follow-up of cancer patients with liver metastases. We present an interactive segmentation approach for liver tumors in US…

Computer Vision and Pattern Recognition · Computer Science 2016-06-29 Jan Egger , Philip Voglreiter , Mark Dokter , Michael Hofmann , Xiaojun Chen , Wolfram G. Zoller , Dieter Schmalstieg , Alexander Hann

Fully convolutional deep neural networks carry out excellent potential for fast and accurate image segmentation. One of the main challenges in training these networks is data imbalance, which is particularly problematic in medical imaging…

Computer Vision and Pattern Recognition · Computer Science 2017-06-20 Seyed Sadegh Mohseni Salehi , Deniz Erdogmus , Ali Gholipour

Automated brain tumour segmentation has the potential of making a massive improvement in disease diagnosis, surgery, monitoring and surveillance. However, this task is extremely challenging. Here, we describe our automated segmentation…

Image and Video Processing · Electrical Eng. & Systems 2020-05-13 Indrajit Mazumdar

This paper explains the method used in the segmentation challenge (Task 1) in the International Skin Imaging Collaboration's (ISIC) Skin Lesion Analysis Towards Melanoma Detection challenge held in 2018. We have trained a U-Net network to…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Adrien Motsch , Sebastien Motsch , Thibaut Saguet

Segmentation of thigh tissues (muscle, fat, inter-muscular adipose tissue (IMAT), bone, and bone marrow) from magnetic resonance imaging (MRI) scans is useful for clinical and research investigations in various conditions such as aging,…

Image and Video Processing · Electrical Eng. & Systems 2020-11-30 Syed Muhammad Anwar , Ismail Irmakci , Drew A. Torigian , Sachin Jambawalikar , Georgios Z. Papadakis , Can Akgun , Mehmet Akcakaya , Ulas Bagci

Introduction: Accurate intraoperative delineation of colorectal liver metastases (CRLM) is crucial for achieving negative resection margins but remains challenging using intraoperative ultrasound (iUS) due to low contrast, noise, and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Tiziano Natali , Karin A. Olthof , Niels F. M. Kok , Koert F. D. Kuhlmann , Theo J. M. Ruers , Matteo Fusaglia

The success of supervised lesion segmentation algorithms using Computed Tomography (CT) exams depends significantly on the quantity and variability of samples available for training. While annotating such data constitutes a challenge…

Image and Video Processing · Electrical Eng. & Systems 2020-08-12 Dario Augusto Borges Oliveira

Model-based reconstruction employing the time separation technique (TST) was found to improve dynamic perfusion imaging of the liver using C-arm cone-beam computed tomography (CBCT). To apply TST using prior knowledge extracted from CT…

An accurate steatosis quantification with pathology tissue samples is of high clinical importance. However, such pathology measurement is manually made in most clinical practices, subject to severe reader variability due to large sampling…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Mousumi Roy , Fusheng Wang , George Teodoro , Miriam B Vos , Alton Brad Farris , Jun Kong

Fully-automatic lung lobe segmentation is challenging due to anatomical variations, pathologies, and incomplete fissures. We trained a 3D u-net for pulmonary lobe segmentation on 49 mainly publically available datasets and introduced a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Bianca Lassen-Schmidt , Alessa Hering , Stefan Krass , Hans Meine

3D reconstruction of the liver for volumetry is important for qualitative analysis and disease diagnosis. Liver volumetry using ultrasound (US) scans, although advantageous due to less acquisition time and safety, is challenging due to the…

Automated segmentation of medical imaging is of broad interest to clinicians and machine learning researchers alike. The goal of segmentation is to increase efficiency and simplicity of visualization and quantification of regions of…

Image and Video Processing · Electrical Eng. & Systems 2020-06-04 Shruti Jadon , Owen P. Leary , Ian Pan , Tyler J. Harder , David W. Wright , Lisa H. Merck , Derek L. Merck

The early detection, diagnosis and monitoring of liver cancer progression can be achieved with the precise delineation of metastatic tumours. However, accurate automated segmentation remains challenging due to the presence of noise,…

Machine Learning · Computer Science 2015-09-02 Samuel Kadoury , Eugene Vorontsov , An Tang