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The automatic segmentation of pathological regions within whole-body PET-CT volumes has the potential to streamline various clinical applications such as diagno-sis, prognosis, and treatment planning. This study aims to address this…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Mehdi Astaraki , Simone Bendazzoli

Automated lesion segmentation in PET/CT scans is crucial for improving clinical workflows and advancing cancer diagnostics. However, the task is challenging due to physiological variability, different tracers used in PET imaging, and…

图像与视频处理 · 电气工程与系统科学 2024-10-22 Maximilian Rokuss , Balint Kovacs , Yannick Kirchhoff , Shuhan Xiao , Constantin Ulrich , Klaus H. Maier-Hein , Fabian Isensee

PET/CT is extensively used in imaging malignant tumors because it highlights areas of increased glucose metabolism, indicative of cancerous activity. Accurate 3D lesion segmentation in PET/CT imaging is essential for effective oncological…

图像与视频处理 · 电气工程与系统科学 2024-09-12 Ching-Wei Wang , Ting-Sheng Su , Keng-Wei Liu

Lesion segmentation in PET/CT imaging is essential for precise tumor characterization, which supports personalized treatment planning and enhances diagnostic precision in oncology. However, accurate manual segmentation of lesions is…

图像与视频处理 · 电气工程与系统科学 2024-09-19 Hamza Kalisch , Fabian Hörst , Ken Herrmann , Jens Kleesiek , Constantin Seibold

Automated segmentation of cancerous lesions in PET/CT scans is a crucial first step in quantitative image analysis. However, training deep learning models for segmentation with high accuracy is particularly challenging due to the variations…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Shadab Ahamed

Positron Emission Tomography (PET) /Computed Tomography (CT) is crucial for diagnosing, managing, and planning treatment for various cancers. Developing reliable deep learning models for the segmentation of tumor lesions in PET/CT scans in…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Tanya Chutani , Saikiran Bonthu , Pranab Samanta , Nitin Singhal

The third autoPET challenge introduced a new data-centric task this year, shifting the focus from model development to improving metastatic lesion segmentation on PET/CT images through data quality and handling strategies. In response, we…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Balint Kovacs , Shuhan Xiao , Maximilian Rokuss , Constantin Ulrich , Fabian Isensee , Klaus H. Maier-Hein

Automated segmentation of cancerous lesions in PET/CT images is a vital initial task for quantitative analysis. However, it is often challenging to train deep learning-based segmentation methods to high degree of accuracy due to the…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Shadab Ahamed , Arman Rahmim

Automatic segmentation of tumor lesions is a critical initial processing step for quantitative PET/CT analysis. However, numerous tumor lesions with different shapes, sizes, and uptake intensity may be distributed in different anatomical…

图像与视频处理 · 电气工程与系统科学 2022-09-20 Zhantao Liu , Shaonan Zhong , Junyang Mo

Automatic segmentation of tumor lesions is a critical initial processing step for quantitative PET/CT analysis. However, numerous tumor lesion with different shapes, sizes, and uptake intensity may be distributed in different anatomical…

图像与视频处理 · 电气工程与系统科学 2022-09-07 Shaonan Zhong , Junyang Mo , Zhantao Liu

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

Recent progress in automated PET/CT lesion segmentation using deep learning methods has demonstrated the feasibility of this task. However, tumor lesion detection and segmentation in whole-body PET/CT is still a chal-lenging task. To…

图像与视频处理 · 电气工程与系统科学 2023-02-27 Satoshi Kondo , Satoshi Kasai

For the last three years, the AutoPET competition gathered the medical imaging community around a hot topic: lesion segmentation on Positron Emitting Tomography (PET) scans. Each year a different aspect of the problem is presented; in 2024…

图像与视频处理 · 电气工程与系统科学 2025-09-05 Zacharia Mesbah , Léo Mottay , Romain Modzelewski , Pierre Decazes , Sébastien Hapdey , Su Ruan , Sébastien Thureau

The escalating global cancer burden underscores the critical need for precise diagnostic tools in oncology. This research employs deep learning to enhance lesion segmentation in PET/CT imaging, utilizing a dataset of 900 whole-body…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Jiayi Liu , Qiaoyi Xue , Youdan Feng , Tianming Xu , Kaixin Shen , Chuyun Shen , Yuhang Shi

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

This study presents FP-PET, a comprehensive approach to medical image segmentation with a focus on CT and PET images. Utilizing a dataset from the AutoPet2023 Challenge, the research employs a variety of machine learning models, including…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Yixin Chen , Ourui Fu , Wenrui Shao , Zhaoheng Xie

In this work, we describe our approach to compete in the autoPET3 datacentric track. While conventional wisdom suggests that larger datasets lead to better model performance, recent studies indicate that excluding certain training samples…

图像与视频处理 · 电气工程与系统科学 2024-11-25 Alexander Jaus , Simon Reiß , Jens Kleesiek , Rainer Stiefelhagen

Whole-body PET/CT is a cornerstone of oncological imaging, yet accurate lesion segmentation remains challenging due to tracer heterogeneity, physiological uptake, and multi-center variability. While fully automated methods have advanced…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Maximilian Rokuss , Yannick Kirchhoff , Fabian Isensee , Klaus H. Maier-Hein

Tumor segmentation in whole-body PET/CT imaging is crucial for precise disease evaluation and treatment planning. However, it remains challenging due to variability in lesion size, contrast, and anatomical distribution. Relying on manual…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Hussain Alasmawi

There has been growing research interest in using deep learning based method to achieve fully automated segmentation of lesion in Positron emission tomography computed tomography(PET CT) scans for the prognosis of various cancers. Recent…

图像与视频处理 · 电气工程与系统科学 2022-09-19 Jia Zhang , Yukun Huang , Zheng Zhang , Yuhang Shi
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