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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…

Computer Vision and Pattern Recognition · Computer Science 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…

Image and Video Processing · Electrical Eng. & Systems 2022-09-19 Jia Zhang , Yukun Huang , Zheng Zhang , Yuhang Shi

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…

Image and Video Processing · Electrical Eng. & Systems 2024-09-19 Hamza Kalisch , Fabian Hörst , Ken Herrmann , Jens Kleesiek , Constantin Seibold

Tumor segmentation in medical imaging is crucial and relies on precise delineation. Fluorodeoxyglucose Positron-Emission Tomography (FDG-PET) is widely used in clinical practice to detect metabolically active tumors. However, FDG-PET scans…

Image and Video Processing · Electrical Eng. & Systems 2023-10-05 Matthias Hadlich , Zdravko Marinov , Rainer Stiefelhagen

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…

Image and Video Processing · Electrical Eng. & Systems 2022-09-20 Zhantao Liu , Shaonan Zhong , Junyang Mo

Tumor lesion segmentation is one of the most important tasks in medical image analysis. In clinical practice, Fluorodeoxyglucose Positron-Emission Tomography~(FDG-PET) is a widely used technique to identify and quantify metabolically active…

Image and Video Processing · Electrical Eng. & Systems 2022-10-17 Jin Ye , Haoyu Wang , Ziyan Huang , Zhongying Deng , Yanzhou Su , Can Tu , Qian Wu , Yuncheng Yang , Meng Wei , Jingqi Niu , Junjun He

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…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Shaonan Zhong , Junyang Mo , Zhantao Liu

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…

Image and Video Processing · Electrical Eng. & Systems 2024-09-24 Tanya Chutani , Saikiran Bonthu , Pranab Samanta , Nitin Singhal

Tumor volume and changes in tumor characteristics over time are important biomarkers for cancer therapy. In this context, FDG-PET/CT scans are routinely used for staging and re-staging of cancer, as the radiolabeled fluorodeoxyglucose is…

Multi-modality Fluorodeoxyglucose (FDG) positron emission tomography / computed tomography (PET/CT) has been routinely used in the assessment of common cancers, such as lung cancer, lymphoma, and melanoma. This is mainly attributed to the…

Image and Video Processing · Electrical Eng. & Systems 2022-09-19 Yige Peng , Jinman Kim , Dagan Feng , Lei Bi

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…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Shadab Ahamed

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…

Image and Video Processing · Electrical Eng. & Systems 2023-02-27 Satoshi Kondo , Satoshi Kasai

Whole-body PET/CT scan is an important tool for diagnosing various malignancies (e.g., malignant melanoma, lymphoma, or lung cancer), and accurate segmentation of tumors is a key part for subsequent treatment. In recent years, CNN-based…

Image and Video Processing · Electrical Eng. & Systems 2023-02-27 Hengzhi Xue , Qingqing Fang , Yudong Yao , Yueyang Teng

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…

Image and Video Processing · Electrical Eng. & Systems 2024-09-12 Ching-Wei Wang , Ting-Sheng Su , Keng-Wei Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Yixin Chen , Ourui Fu , Wenrui Shao , Zhaoheng Xie

Accurate and automated lesion segmentation in Positron Emission Tomography / Computed Tomography (PET/CT) imaging is essential for cancer diagnosis and therapy planning. This paper presents a Swin Transformer UNet 3D (SwinUNet3D) framework…

Image and Video Processing · Electrical Eng. & Systems 2026-01-07 Shovini Guha , Dwaipayan Nandi

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…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Shadab Ahamed , Arman Rahmim

Background: A crucial initial processing step for quantitative PET/CT analysis is the segmentation of tumor lesions enabling accurate feature ex-traction, tumor characterization, oncologic staging, and image-based therapy response…

Image and Video Processing · Electrical Eng. & Systems 2022-10-18 Ludovic Sibille , Xinrui Zhan , Lei Xiang

Fluorodeoxyglucose (FDG) positron emission tomography (PET) combined with computed tomography (CT) is considered the primary solution for detecting some cancers, such as lung cancer and melanoma. Automatic segmentation of tumors in PET/CT…

Image and Video Processing · Electrical Eng. & Systems 2023-09-15 Linghan Cai , Jianhao Huang , Zihang Zhu , Jinpeng Lu , Yongbing Zhang

Automatic lesion detection and segmentation from [${}^{18}$F]FDG PET/CT scans is a challenging task, due to the diversity of shapes, sizes, FDG uptake and location they may present, besides the fact that physiological uptake is also present…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Yamila Rotstein Habarnau , Mauro Namías
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