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Segmentation of white matter lesions and deep grey matter structures is an important task in the quantification of magnetic resonance imaging in multiple sclerosis. In this paper we explore segmentation solutions based on convolutional…

Most MRI liver segmentation methods use a structural 3D scan as input, such as a T1 or T2 weighted scan. Segmentation performance may be improved by utilizing both structural and functional information, as contained in dynamic contrast…

Image and Video Processing · Electrical Eng. & Systems 2019-08-23 Mariëlle J. A. Jansen , Hugo J. Kuijf , Josien P. W. Pluim

Kidney volume is greatly affected in several renal diseases. Precise and automatic segmentation of the kidney can help determine kidney size and evaluate renal function. Fully convolutional neural networks have been used to segment organs…

Image and Video Processing · Electrical Eng. & Systems 2020-09-02 Omid Bazgir , Kai Barck , Richard A. D. Carano , Robby M. Weimer , Luke Xie

Pancreas segmentation in medical imaging data is of great significance for clinical pancreas diagnostics and treatment. However, the large population variations in the pancreas shape and volume cause enormous segmentation difficulties, even…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Jun Li , Xiaozhu Lin , Hui Che , Hao Li , Xiaohua Qian

Many renal cancers are incidentally found on non-contrast CT (NCCT) images. On contrast-enhanced CT (CECT) images, most kidney tumors, especially renal cancers, have different intensity values compared to normal tissues. However, on NCCT…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Taro Hatsutani , Akimichi Ichinose , Keigo Nakamura , Yoshiro Kitamura

Contouring of the target volume and Organs-At-Risk (OARs) is a crucial step in radiotherapy treatment planning. In an adaptive radiotherapy setting, updated contours need to be generated based on daily imaging. In this work, we leverage…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Mohamed S. Elmahdy , Tanuj Ahuja , U. A. van der Heide , Marius Staring

The deployment of deep convolutional neural networks (CNNs) in many real world applications is largely hindered by their high computational cost. In this paper, we propose a novel learning scheme for CNNs to simultaneously 1) reduce the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-23 Zhuang Liu , Jianguo Li , Zhiqiang Shen , Gao Huang , Shoumeng Yan , Changshui Zhang

In this paper, we introduce MK-UNet, a paradigm shift towards ultra-lightweight, multi-kernel U-shaped CNNs tailored for medical image segmentation. Central to MK-UNet is the multi-kernel depth-wise convolution block (MKDC) we design to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Md Mostafijur Rahman , Radu Marculescu

Automated segmentation of individual calf muscle compartments from 3D magnetic resonance (MR) images is essential for developing quantitative biomarkers for muscular disease progression and its prediction. Achieving clinically acceptable…

Image and Video Processing · Electrical Eng. & Systems 2020-12-23 Zhihui Guo , Honghai Zhang , Zhi Chen , Ellen van der Plas , Laurie Gutmann , Daniel Thedens , Peggy Nopoulos , Milan Sonka

The Hausdorff Distance (HD) is widely used in evaluating medical image segmentation methods. However, existing segmentation methods do not attempt to reduce HD directly. In this paper, we present novel loss functions for training…

Image and Video Processing · Electrical Eng. & Systems 2019-04-24 Davood Karimi , Septimiu E. Salcudean

Purpose: Automated distinct bone segmentation from CT scans is widely used in planning and navigation workflows. U-Net variants are known to provide excellent results in supervised semantic segmentation. However, in distinct bone…

Image and Video Processing · Electrical Eng. & Systems 2023-02-01 Eva Schnider , Julia Wolleb , Antal Huck , Mireille Toranelli , Georg Rauter , Magdalena Müller-Gerbl , Philippe C. Cattin

This study investigates the effectiveness of U-Net architectures integrated with various convolutional neural network (CNN) backbones for automated lung cancer detection and segmentation in chest CT images, addressing the critical need for…

Image and Video Processing · Electrical Eng. & Systems 2025-07-24 Alireza Golkarieh , Kiana Kiashemshaki , Sajjad Rezvani Boroujeni , Nasibeh Asadi Isakan

Segmentation of brain tumors and their subregions remains a challenging task due to their weak features and deformable shapes. In this paper, three patterns (cross-skip, skip-1 and skip-2) of distributed dense connections (DDCs) are…

Image and Video Processing · Electrical Eng. & Systems 2020-03-04 Hanxiao Zhang , Jingxiong Li , Mali Shen , Yaqi Wang , Guang-Zhong Yang

Accurate medical image segmentation is essential for clinical quantification, disease diagnosis, treatment planning and many other applications. Both convolution-based and transformer-based u-shaped architectures have made significant…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Libin Lan , Pengzhou Cai , Lu Jiang , Xiaojuan Liu , Yongmei Li , Yudong Zhang

Convolutional neural network (CNN) based segmentation methods provide an efficient and automated way for clinicians to assess the structure and function of the heart in cardiac MR images. While CNNs can generally perform the segmentation…

Automatic segmentation of head and neck tumors plays an important role in radiomics analysis. In this short paper, we propose an automatic segmentation method for head and neck tumors from PET and CT images based on the combination of…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Jun Ma , Xiaoping Yang

Magnetic Resonance Imaging (MRI) is the most commonly used non-intrusive technique for medical image acquisition. Brain tumor segmentation is the process of algorithmically identifying tumors in brain MRI scans. While many approaches have…

Image and Video Processing · Electrical Eng. & Systems 2022-11-04 Jason Walsh , Alice Othmani , Mayank Jain , Soumyabrata Dev

Modern deep learning models have revolutionized the field of computer vision. But, a significant drawback of most of these models is that they require a large number of labelled examples to generalize properly. Recent developments in…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Atmadeep Banerjee

Creating large scale high-quality annotations is a known challenge in medical imaging. In this work, based on the CycleGAN algorithm, we propose leveraging annotations from one modality to be useful in other modalities. More specifically,…

Image and Video Processing · Electrical Eng. & Systems 2019-09-12 Yucheng Liu , Naji Khosravan , Yulin Liu , Joseph Stember , Jonathan Shoag , Christopher E. Barbieri , Ulas Bagci , Sachin Jambawalikar

Automatic medical image segmentation, an essential component of medical image analysis, plays an importantrole in computer-aided diagnosis. For example, locating and segmenting the liver can be very helpful in livercancer diagnosis and…

Image and Video Processing · Electrical Eng. & Systems 2019-10-28 Xi Fang , Bo Du , Sheng Xu , Bradford J. Wood , Pingkun Yan
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