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Accurate hepatic vessel segmentation on ultrasound (US) images can be an important tool in the planning and execution of surgery, however proves to be a challenging task due to noise and speckle. Our method comprises a reduced filter 3D…

In this study, we propose a robust methodology for automatic segmentation of infected lung regions in COVID-19 CT scans using convolutional neural networks. The approach is based on a modified U-Net architecture enhanced with attention…

Image and Video Processing · Electrical Eng. & Systems 2026-02-20 Amal Lahchim , Lazar Davic

3D lung segmentation is essential since it processes the volumetric information of the lungs, removes the unnecessary areas of the scan, and segments the actual area of the lungs in a 3D volume. Recently, the deep learning model, such as…

Image and Video Processing · Electrical Eng. & Systems 2021-05-07 Dhaval D. Kadia , Md Zahangir Alom , Ranga Burada , Tam V. Nguyen , Vijayan K. Asari

Each medical segmentation task should be considered with a specific AI algorithm based on its scenario so that the most accurate prediction model can be obtained. The most popular algorithms in medical segmentation, 3D U-Net and its…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Shiyi Wang , Yang Nan , Felder Federico N , Sheng Zhang , Walsh Simon L F , Guang Yang

A two-step concept for 3D segmentation on 5 abdominal organs inside volumetric CT images is presented. First each relevant organ's volume of interest is extracted as bounding box. The extracted volume acts as input for a second stage,…

Image and Video Processing · Electrical Eng. & Systems 2021-07-12 Nico Zettler , Andre Mastmeyer

Automatic pathological pulmonary lobe segmentation(PPLS) enables regional analyses of lung disease, a clinically important capability. Due to often incomplete lobe boundaries, PPLS is difficult even for experts, and most prior art requires…

Computer Vision and Pattern Recognition · Computer Science 2017-08-16 Kevin George , Adam P. Harrison , Dakai Jin , Ziyue Xu , Daniel J. Mollura

Segmentation of the Left ventricle (LV) is a crucial step for quantitative measurements such as area, volume, and ejection fraction. However, the automatic LV segmentation in 2D echocardiographic images is a challenging task due to…

Image and Video Processing · Electrical Eng. & Systems 2019-12-24 Shakiba Moradi , Mostafa Ghelich-Oghli , Azin Alizadehasl , Isaac Shiri , Niki Oveisi , Mehrdad Oveisi , Majid Maleki , Jan Dhooge

Automatic segmentation methods are an important advancement in medical image analysis. Machine learning techniques, and deep neural networks in particular, are the state-of-the-art for most medical image segmentation tasks. Issues with…

Image and Video Processing · Electrical Eng. & Systems 2021-11-25 Michael Yeung , Evis Sala , Carola-Bibiane Schönlieb , Leonardo Rundo

This paper presents a fully automatic and end-to-end optimised airway segmentation method for thoracic computed tomography, based on the U-Net architecture. We use a simple and low-memory 3D U-Net as backbone, which allows the method to…

Image and Video Processing · Electrical Eng. & Systems 2021-08-04 A. Garcia-Uceda , R. Selvan , Z. Saghir , H. A. W. M. Tiddens , M. de Bruijne

Pulmonary lobe segmentation is an important preprocessing task for the analysis of lung diseases. Traditional methods relying on fissure detection or other anatomical features, such as the distribution of pulmonary vessels and airways,…

Image and Video Processing · Electrical Eng. & Systems 2021-04-23 Jingnan Jia , Zhiwei Zhai , M. Els Bakker , I. Hernandez Giron , Marius Staring , Berend C. Stoel

With the introduction of fully convolutional neural networks, deep learning has raised the benchmark for medical image segmentation on both speed and accuracy, and different networks have been proposed for 2D and 3D segmentation with…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Ken C. L. Wong , Mehdi Moradi , Hui Tang , Tanveer Syeda-Mahmood

Recently, the state-of-art models for medical image segmentation is U-Net and their variants. These networks, though succeeding in deriving notable results, ignore the practical problem hanging over the medical segmentation field:…

Image and Video Processing · Electrical Eng. & Systems 2025-01-07 Hao Ziang , Jingsi Zhang , Lixian Li

Following the successful application of the U-Net to medical images, there have been different encoder-decoder models proposed as an improvement to the original U-Net for segmenting echocardiographic images. This study aims to examine the…

Image and Video Processing · Electrical Eng. & Systems 2020-03-18 Neda Azarmehr , Xujiong Ye , Faraz Janan , James P Howard , Darrel P Francis , Massoud Zolgharni

Various approaches for liver segmentation in CT have been proposed: Besides statistical shape models, which played a major role in this research area, novel approaches on the basis of convolutional neural networks have been introduced…

Computer Vision and Pattern Recognition · Computer Science 2018-10-10 Hans Meine , Grzegorz Chlebus , Mohsen Ghafoorian , Itaru Endo , Andrea Schenk

Within medical imaging segmentation, the Dice coefficient and Hausdorff-based metrics are standard measures of success for deep learning models. However, modern loss functions for medical image segmentation often only consider the Dice…

Image and Video Processing · Electrical Eng. & Systems 2024-01-26 Adrian Celaya , Beatrice Riviere , David Fuentes

Segmentation of cardiac structures is one of the fundamental steps to estimate volumetric indices of the heart. This step is still performed semi-automatically in clinical routine, and is thus prone to inter- and intra-observer variability.…

Segmentation of pulmonary infiltrates can help assess severity of COVID-19, but manual segmentation is labor and time-intensive. Using neural networks to segment pulmonary infiltrates would enable automation of this task. However, training…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 Keno K. Bressem , Stefan M. Niehues , Bernd Hamm , Marcus R. Makowski , Janis L. Vahldiek , Lisa C. Adams

In the U.S., lung cancer is the second major cause of death. Early detection of suspicious lung nodules is crucial for patient treatment planning, management, and improving outcomes. Many approaches for lung nodule segmentation and…

Image and Video Processing · Electrical Eng. & Systems 2025-04-10 Tejas Sudharshan Mathai , Benjamin Hou , Ronald M. Summers

Automated 3-D breast ultrasound (ABUS) is a newfound system for breast screening that has been proposed as a supplementary modality to mammography for breast cancer detection. While ABUS has better performance in dense breasts, reading ABUS…

Image and Video Processing · Electrical Eng. & Systems 2021-09-30 Hamed Fayyaz , Ehsan Kozegar , Tao Tan , Mohsen Soryani

Advances in image registration and machine learning have recently enabled volumetric analysis of postmortem brain tissue from conventional photographs of coronal slabs, which are routinely collected in brain banks and neuropathology…