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Liver fibrosis represents the accumulation of excessive extracellular matrix caused by sustained hepatic injury. It disrupts normal lobular architecture and function, increasing the chances of cirrhosis and liver failure. Precise staging of…

Image and Video Processing · Electrical Eng. & Systems 2025-10-01 Yang Zhou , Kunhao Yuan , Ye Wei , Jishizhan Chen

We propose an attention mechanism for 3D medical image segmentation. The method, named segmentation-by-detection, is a cascade of a detection module followed by a segmentation module. The detection module enables a region of interest to…

Computer Vision and Pattern Recognition · Computer Science 2017-11-02 Min Tang , Zichen Zhang , Dana Cobzas , Martin Jagersand , Jacob L. Jaremko

Many studies regarding the vasculature of biological tissues involve the segmentation of the blood vessels in a sample followed by the creation of a graph structure to model the vasculature. The graph is then used to extract relevant…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 João Pedro Parella , Matheus Viana da Silva , Cesar Henrique Comin

This paper introduces a network for volumetric segmentation that learns from sparsely annotated volumetric images. We outline two attractive use cases of this method: (1) In a semi-automated setup, the user annotates some slices in the…

Computer Vision and Pattern Recognition · Computer Science 2016-06-22 Özgün Çiçek , Ahmed Abdulkadir , Soeren S. Lienkamp , Thomas Brox , Olaf Ronneberger

While laparoscopic liver resection is less prone to complications and maintains patient outcomes compared to traditional open surgery, its complexity hinders widespread adoption due to challenges in representing the liver's internal…

Image and Video Processing · Electrical Eng. & Systems 2024-10-11 Karl-Philippe Beaudet , Alexandros Karargyris , Sidaty El Hadramy , Stéphane Cotin , Jean-Paul Mazellier , Nicolas Padoy , Juan Verde

In this paper, we introduce and study a novel segmentation method for 4D images based on surface evolution governed by a nonlinear partial differential equation, the generalized subjective surface equation. The new method uses 4D digital…

Numerical Analysis · Mathematics 2022-06-30 Markjoe Olunna Uba , Karol Mikula , Seol Ah Park

Liver steatosis is known as the abnormal accumulation of lipids within cells. An accurate quantification of steatosis area within the liver histopathological microscopy images plays an important role in liver disease diagnosis and…

Image and Video Processing · Electrical Eng. & Systems 2019-11-19 Xiaoyuan Guo , Fusheng Wang , George Teodorou , Alton B. Farris , Jun Kong

Reliable and automatic segmentation of lung lobes is important for diagnosis, assessment, and quantification of pulmonary diseases. The existing techniques are prohibitively slow, undesirably rely on prior (airway/vessel) segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Abdullah-Al-Zubaer Imran , Ali Hatamizadeh , Shilpa P. Ananth , Xiaowei Ding , Demetri Terzopoulos , Nima Tajbakhsh

In clinical practice, regions of interest in medical imaging often need to be identified through a process of precise image segmentation. The quality of this image segmentation step critically affects the subsequent clinical assessment of…

Image and Video Processing · Electrical Eng. & Systems 2021-03-23 João B. S. Carvalho , João A. Santinha , Đorđe Miladinović , Joachim M. Buhmann

We present an automatic COVID1-19 diagnosis framework from lung CT-scan slice images. In this framework, the slice images of a CT-scan volume are first proprocessed using segmentation techniques to filter out images of closed lung, and to…

Image and Video Processing · Electrical Eng. & Systems 2021-10-05 Weijun Tan , Jingfeng Liu

To extract liver from medical images is a challenging task due to similar intensity values of liver with adjacent organs, various contrast levels, various noise associated with medical images and irregular shape of liver. To address these…

Image and Video Processing · Electrical Eng. & Systems 2021-03-29 Muhammad Islam , Kaleem Nawaz Khan , Muhammad Salman Khan

Surgical image segmentation is essential for robot-assisted surgery and intraoperative guidance. However, existing methods are constrained to predefined categories, produce one-shot predictions without adaptive refinement, and lack…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Ange Lou , Yamin Li , Qi Chang , Nan Xi , Luyuan Xie , Zichao Li , Tianyu Luan

Deep-learning (DL) based methods are playing an important role in the task of abdominal organs and tumors segmentation in CT scans. However, the large requirements of annotated datasets heavily limit its development. The FLARE23 challenge…

Image and Video Processing · Electrical Eng. & Systems 2023-10-03 Jiaxin Zhuang , Luyang Luo , Zhixuan Chen , Linshan Wu

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

Quantitative cancer image analysis relies on the accurate delineation of tumours, a very specialised and time-consuming task. For this reason, methods for automated segmentation of tumours in medical imaging have been extensively developed…

Image and Video Processing · Electrical Eng. & Systems 2022-12-07 Saúl Alonso-Monsalve , Leigh H. Whitehead , Adam Aurisano , Lorena Escudero Sanchez

Medical image segmentation is crucial for clinical diagnosis and treatment planning. Traditional methods typically produce a single segmentation mask, failing to capture inherent uncertainty. Recent generative models enable the creation of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Huynh Trinh Ngoc , Toan Nguyen Hai , Ba Luong Son , Long Tran Quoc

Blood oxygen level dependent (BOLD) MRI with maternal hyperoxia can assess oxygen transport within the placenta and has emerged as a promising tool to study placental function. Measuring signal changes over time requires segmenting the…

Image and Video Processing · Electrical Eng. & Systems 2022-08-08 S. Mazdak Abulnaga , Sean I. Young , Katherine Hobgood , Eileen Pan , Clinton J. Wang , P. Ellen Grant , Esra Abaci Turk , Polina Golland

Recently 3D volumetric organ segmentation attracts much research interest in medical image analysis due to its significance in computer aided diagnosis. This paper aims to address the pancreas segmentation task in 3D computed tomography…

Image and Video Processing · Electrical Eng. & Systems 2019-12-03 Chaowei Fang , Guanbin Li , Chengwei Pan , Yiming Li , Yizhou Yu

Anatomical landmark segmentation serves as a critical initial step for robust multimodal registration during computer-assisted interventions. Current approaches predominantly rely on deep learning, which often necessitates the extensive…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Denis Krnjaca , Lorena Krames , Werner Nahm

3D panoptic segmentation is a challenging perception task, especially in autonomous driving. It aims to predict both semantic and instance annotations for 3D points in a scene. Although prior 3D panoptic segmentation approaches have…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Zihao Xiao , Longlong Jing , Shangxuan Wu , Alex Zihao Zhu , Jingwei Ji , Chiyu Max Jiang , Wei-Chih Hung , Thomas Funkhouser , Weicheng Kuo , Anelia Angelova , Yin Zhou , Shiwei Sheng