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Accurate segmentation of lesions plays a critical role in medical image analysis and diagnosis. Traditional segmentation approaches that rely solely on visual features often struggle with the inherent uncertainty in lesion distribution and…

Image and Video Processing · Electrical Eng. & Systems 2025-04-03 Dandan Shan , Zihan Li , Yunxiang Li , Qingde Li , Jie Tian , Qingqi Hong

The accurate segmentation of multiple types of lesions from adjacent tissues in medical images is significant in clinical practice. Convolutional neural networks (CNNs) based on the coarse-to-fine strategy have been widely used in this…

Image and Video Processing · Electrical Eng. & Systems 2021-10-12 Xiangyu Zhao , Peng Zhang , Fan Song , Chenbin Ma , Guangda Fan , Yangyang Sun , Youdan Feng , Guanglei Zhang

In this paper, we present a hybrid deep learning framework named CTNet which combines convolutional neural network and transformer together for the detection of COVID-19 via 3D chest CT images. It consists of a CNN feature extractor module…

Image and Video Processing · Electrical Eng. & Systems 2021-07-12 Shuang Liang

In recent months the world has been surprised by the rapid advance of COVID-19. In order to face this disease and minimize its socio-economic impacts, in addition to surveillance and treatment, diagnosis is a crucial procedure. However, the…

Image and Video Processing · Electrical Eng. & Systems 2020-07-13 Lucas P. Soares , Cesar P. Soares

Automated and accurate segmentation of the infected regions in computed tomography (CT) images is critical for the prediction of the pathological stage and treatment response of COVID-19. Several deep convolutional neural networks (DCNNs)…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Haozhe Jia , Haoteng Tang , Guixiang Ma , Weidong Cai , Heng Huang , Liang Zhan , Yong Xia

This paper explores how well deep learning models trained on chest CT images can diagnose COVID-19 infected people in a fast and automated process. To this end, we adopt advanced deep network architectures and propose a transfer learning…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Hammam Alshazly , Christoph Linse , Erhardt Barth , Thomas Martinetz

Medical image segmentation allows quantifying target structure size and shape, aiding in disease diagnosis, prognosis, surgery planning, and comprehension.Building upon recent advancements in foundation Vision-Language Models (VLMs) from…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Kanchan Poudel , Manish Dhakal , Prasiddha Bhandari , Rabin Adhikari , Safal Thapaliya , Bishesh Khanal

The early and reliable detection of COVID-19 infected patients is essential to prevent and limit its outbreak. The PCR tests for COVID-19 detection are not available in many countries and also there are genuine concerns about their…

Computed tomography (CT) image provides useful information for radiologists to diagnose Covid-19. However, visual analysis of CT scans is time-consuming. Thus, it is necessary to develop algorithms for automatic Covid-19 detection from CT…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Ling Huang , Su Ruan , Thierry Denoeux

The spread of COVID-19 has brought a huge disaster to the world, and the automatic segmentation of infection regions can help doctors to make diagnosis quickly and reduce workload. However, there are several challenges for the accurate and…

Image and Video Processing · Electrical Eng. & Systems 2022-07-19 Runmin Cong , Haowei Yang , Qiuping Jiang , Wei Gao , Haisheng Li , Cong Wang , Yao Zhao , Sam Kwong

High-quality pixel-level annotations of medical images are essential for supervised segmentation tasks, but obtaining such annotations is costly and requires medical expertise. To address this challenge, we propose a novel coarse-to-fine…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Anghong Du , Nay Aung , Theodoros N. Arvanitis , Stefan K. Piechnik , Joao A C Lima , Steffen E. Petersen , Le Zhang

The recent outbreak of COVID-19 has halted the whole world, bringing a devastating effect on public health, global economy, and educational systems. As the vaccine of the virus is still not available, the most effective way to combat the…

Image and Video Processing · Electrical Eng. & Systems 2020-09-01 A. Q. M. Sazzad Sayyed , Dipayan Saha , Abdul Rakib Hossain

In the realm of medical imaging, particularly for COVID-19 detection, deep learning models face substantial challenges such as the necessity for extensive computational resources, the paucity of well-annotated datasets, and a significant…

Image and Video Processing · Electrical Eng. & Systems 2024-09-10 Li Lin , Yamini Sri Krubha , Zhenhuan Yang , Cheng Ren , Thuc Duy Le , Irene Amerini , Xin Wang , Shu Hu

The pandemic of novel Coronavirus Disease 2019 (COVID-19) is widespread all over the world causing serious health problems as well as serious impact on the global economy. Reliable and fast testing of the COVID-19 has been a challenge for…

Image and Video Processing · Electrical Eng. & Systems 2021-06-11 Debanjan Das , Chirag Samal , Deewanshu Ukey , Gourav Chowdhary , Saraju P. Mohanty

The novel corona-virus disease (COVID-19) pandemic has caused a major outbreak in more than 200 countries around the world, leading to a severe impact on the health and life of many people globally. As of mid-July 2020, more than 12 million…

Image and Video Processing · Electrical Eng. & Systems 2020-08-10 Narges Saeedizadeh , Shervin Minaee , Rahele Kafieh , Shakib Yazdani , Milan Sonka

This paper addresses text-supervised semantic segmentation, aiming to learn a model capable of segmenting arbitrary visual concepts within images by using only image-text pairs without dense annotations. Existing methods have demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Ji-Jia Wu , Andy Chia-Hao Chang , Chieh-Yu Chuang , Chun-Pei Chen , Yu-Lun Liu , Min-Hung Chen , Hou-Ning Hu , Yung-Yu Chuang , Yen-Yu Lin

The rapid spread of COVID-19 has necessitated efficient and accurate diagnostic methods. Computed Tomography (CT) scan images have emerged as a valuable tool for detecting the disease. In this article, we present a novel deep learning…

Image and Video Processing · Electrical Eng. & Systems 2023-08-15 Susmita Ghosh , Abhiroop Chatterjee

COVID-19 is currently one the most life-threatening problems around the world. The fast and accurate detection of the COVID-19 infection is essential to identify, take better decisions and ensure treatment for the patients which will help…

Image and Video Processing · Electrical Eng. & Systems 2020-04-21 Md Zahangir Alom , M M Shaifur Rahman , Mst Shamima Nasrin , Tarek M. Taha , Vijayan K. Asari

Automatic airway segmentation from chest computed tomography (CT) scans plays an important role in pulmonary disease diagnosis and computer-assisted therapy. However, low contrast at peripheral branches and complex tree-like structures…

Image and Video Processing · Electrical Eng. & Systems 2021-02-26 Jinquan Guo , Rongda Fu , Lin Pan , Shaohua Zheng , Liqin Huang , Bin Zheng , Bingwei He

Automatic segmentation of lung lesions associated with COVID-19 in CT images requires large amount of annotated volumes. Annotations mandate expert knowledge and are time-intensive to obtain through fully manual segmentation methods.…

Image and Video Processing · Electrical Eng. & Systems 2023-09-06 Muhammad Asad , Lucas Fidon , Tom Vercauteren