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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

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

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…

Image and Video Processing · Electrical Eng. & Systems 2024-09-24 Mehdi Astaraki , Simone Bendazzoli

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

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

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

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

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

Cancer is one of the leading causes of death globally, and early diagnosis is crucial for patient survival. Deep learning algorithms have great potential for automatic cancer analysis. Artificial intelligence has achieved high performance…

Image and Video Processing · Electrical Eng. & Systems 2024-04-16 Monika Górka , Daniel Jaworek , Marek Wodzinski

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

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

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…

Image and Video Processing · Electrical Eng. & Systems 2024-09-23 Reza Safdari , Mohammad Koohi-Moghaddam , Kyongtae Tyler Bae

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…

Image and Video Processing · Electrical Eng. & Systems 2023-11-06 Gowtham Krishnan Murugesan , Diana McCrumb , Eric Brunner , Jithendra Kumar , Rahul Soni , Vasily Grigorash , Stephen Moore , Jeff Van Oss

Accurate lesion segmentation in whole-body PET/CT scans is crucial for cancer diagnosis and treatment planning, but limited datasets often hinder the performance of automated segmentation models. In this paper, we explore the potential of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-13 Lap Yan Lennon Chan , Chenxin Li , Yixuan Yuan

An automatic segmentation algorithm for delineation of the gross tumour volume and pathologic lymph nodes of head and neck cancers in PET/CT images is described. The proposed algorithm is based on a convolutional neural network using the…

Image and Video Processing · Electrical Eng. & Systems 2019-08-05 Yngve Mardal Moe , Aurora Rosvoll Groendahl , Martine Mulstad , Oliver Tomic , Ulf Indahl , Einar Dale , Eirik Malinen , Cecilia Marie Futsaether

Tumor segmentation in PET-CT images is challenging due to the dual nature of the acquired information: low metabolic information in CT and low spatial resolution in PET. U-Net architecture is the most common and widely recognized approach…

Image and Video Processing · Electrical Eng. & Systems 2022-10-06 Simone Bendazzoli , Mehdi Astaraki

Fluorodeoxyglucose Positron Emission Tomography (FDG-PET) combined with Computed Tomography (CT) scans are critical in oncology to the identification of solid tumours and the monitoring of their progression. However, precise and consistent…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Anissa Alloula , Daniel R McGowan , Bartłomiej W. Papież

The synergistic interpretation of anatomical information from computed tomography (CT) and metabolic information from positron emission tomography (PET) is important to oncologic imaging. However, existing deep learning methods for PET/CT…

Image and Video Processing · Electrical Eng. & Systems 2026-05-22 Xiaofeng Liu , Qianru Zhang , Thibault Marin , Menghua Xia , Chi Liu , Georges El Fakhri , Jinsong Ouyang

Numerous oncology indications have extensively quantified metabolically active tumors using positron emission tomography (PET) and computed tomography (CT). F-fluorodeoxyglucose-positron emission tomography (FDG-PET) is frequently utilized…

Image and Video Processing · Electrical Eng. & Systems 2022-10-17 Sepideh Amiri , Bulat Ibragimov
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