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In this study, we implemented a two-stage deep learning-based approach to segment lesions in PET/CT images for the AutoPET III challenge. The first stage utilized a DynUNet model for coarse segmentation, identifying broad regions of…

图像与视频处理 · 电气工程与系统科学 2024-09-23 Reza Safdari , Mohammad Koohi-Moghaddam , Kyongtae Tyler Bae

Liver segmentation from abdominal CT images is an essential step for liver cancer computer-aided diagnosis and surgical planning. However, both the accuracy and robustness of existing liver segmentation methods cannot meet the requirements…

图像与视频处理 · 电气工程与系统科学 2021-07-20 Changfa Shi , Min Xian , Xiancheng Zhou , Haotian Wang , Heng-Da Cheng

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…

图像与视频处理 · 电气工程与系统科学 2020-08-12 Dario Augusto Borges Oliveira

Tumor detection in biomedical imaging is a time-consuming process for medical professionals and is not without errors. Thus in recent decades, researchers have developed algorithmic techniques for image processing using a wide variety of…

计算机视觉与模式识别 · 计算机科学 2018-09-17 Laramie Paxton , Yufeng Cao , Kevin R. Vixie , Yuan Wang , Brian Hobbs , Chaan Ng

Semantic segmentation is a crucial task in medical image processing, essential for segmenting organs or lesions such as tumors. In this study we aim to improve automated segmentation in CBCTs through multi-task learning. To evaluate effects…

图像与视频处理 · 电气工程与系统科学 2024-12-03 Maximilian Ernst Tschuchnig , Julia Coste-Marin , Philipp Steininger , Michael Gadermayr

Melanoma is a life-threatening form of skin cancer when left undiagnosed at the early stages. Although there are more cases of non-melanoma cancer than melanoma cancer, melanoma cancer is more deadly. Early detection of melanoma is crucial…

图像与视频处理 · 电气工程与系统科学 2020-05-15 Shreshth Saini , Divij Gupta , Anil Kumar Tiwari

Accurate visualization of liver tumors and their surrounding blood vessels is essential for noninvasive diagnosis and prognosis prediction of tumors. In medical image segmentation, there is still a lack of in-depth research on the…

图像与视频处理 · 电气工程与系统科学 2023-02-21 Haopeng Kuang , Dingkang Yang , Shunli Wang , Xiaoying Wang , Lihua Zhang

Purpose: Automated liver tumor segmentation from Computed Tomography (CT) images is a necessary prerequisite in the interventions of hepatic abnormalities and surgery planning. However, accurate liver tumor segmentation remains challenging…

计算机视觉与模式识别 · 计算机科学 2023-01-11 Yao Zhang , Jiawei Yang , Yang Liu , Jiang Tian , Siyun Wang , Cheng Zhong , Zhongchao Shi , Yang Zhang , Zhiqiang He

Skin lesions segmentation is an important step in the process of automated diagnosis of the skin melanoma. However, the accuracy of segmenting melanomas skin lesions is quite a challenging task due to less data for training, irregular…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Sabari Nathan , Priya Kansal

Objective : Abdominal anatomy segmentation is crucial for numerous applications from computer-assisted diagnosis to image-guided surgery. In this context, we address fully-automated multi-organ segmentation from abdominal CT and MR images…

图像与视频处理 · 电气工程与系统科学 2020-01-29 Pierre-Henri Conze , Ali Emre Kavur , Emilie Cornec-Le Gall , Naciye Sinem Gezer , Yannick Le Meur , M. Alper Selver , François Rousseau

Automatic segmentation of lesions in FDG-18 Whole Body (WB) PET/CT scans using deep learning models is instrumental for determining treatment response, optimizing dosimetry, and advancing theranostic applications in oncology. However, the…

图像与视频处理 · 电气工程与系统科学 2023-11-06 Gowtham Krishnan Murugesan , Diana McCrumb , Eric Brunner , Jithendra Kumar , Rahul Soni , Vasily Grigorash , Stephen Moore , Jeff Van Oss

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…

CT organ segmentation on computed tomography (CT) images becomes a significant brick for modern medical image analysis, supporting clinic workflows in multiple domains. Previous segmentation methods include 2D convolution neural networks…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Haoyu Fang , Yi Fang , Xiaofeng Yang

Lung cancer is the most common form of cancer found worldwide with a high mortality rate. Early detection of pulmonary nodules by screening with a low-dose computed tomography (CT) scan is crucial for its effective clinical management.…

图像与视频处理 · 电气工程与系统科学 2020-06-17 Rakshith Sathish , Rachana Sathish , Ramanathan Sethuraman , Debdoot Sheet

Segmentation of liver structures in multi-phase contrast-enhanced computed tomography (CECT) plays a crucial role in computer-aided diagnosis and treatment planning. In this study, we investigate the performance of UNet-based architectures…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Doan-Van-Anh Ly , Thanh-Hai Le , Thi-Thu-Hien Pham

The high cure rate of cancer is inextricably linked to physicians' accuracy in diagnosis and treatment, therefore a model that can accomplish high-precision tumor segmentation has become a necessity in many applications of the medical…

图像与视频处理 · 电气工程与系统科学 2023-07-26 Zeqiu. Yu , Shuo. Han , Ziheng. Song

Liver cancer is one of the leading causes of cancer death. To assist doctors in hepatocellular carcinoma diagnosis and treatment planning, an accurate and automatic liver and tumor segmentation method is highly demanded in the clinical…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Xiaomeng Li , Hao Chen , Xiaojuan Qi , Qi Dou , Chi-Wing Fu , Pheng Ann Heng

Convolutional Neural Networks (CNNs) have shown remarkable progress in medical image segmentation. However, lesion segmentation remains a challenge to state-of-the-art CNN-based algorithms due to the variance in scales and shapes. On the…

图像与视频处理 · 电气工程与系统科学 2023-05-31 Yanwen Li , Luyang Luo , Huangjing Lin , Pheng-Ann Heng , Hao Chen

Purpose: Accurate segmentation of clinical target volumes (CTV) and organs-at-risk is crucial for optimizing gynecologic brachytherapy (GYN-BT) treatment planning. However, anatomical variability, low soft-tissue contrast in CT imaging, and…

Purpose: Lung nodule segmentation, i.e., the algorithmic delineation of the lung nodule surface, is a fundamental component of computational nodule analysis pipelines. We propose a new method for segmentation that is a machine learning…

图像与视频处理 · 电气工程与系统科学 2021-01-20 Matthew C Hancock , Jerry F Magnan