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Positron Emission Tomography (PET) imaging requires accurate attenuation correction (AC) to account for photon loss due to tissue density variations. In PET/MR systems, computed tomography (CT), which offers a straightforward estimation of…

Image and Video Processing · Electrical Eng. & Systems 2025-04-11 Weijie Chen , James Wang , Alan McMillan

Ultrasound simulations used for treatment planning in transcranial ultrasound stimulation(TUS) currently depend on converting computed tomography(CT) images to acoustic properties. Aiming to reduce subject exposure to ionising radiation,…

Automated diagnosis of Alzheimer Disease(AD) from brain imaging, such as magnetic resonance imaging (MRI), has become increasingly important and has attracted the community to contribute many deep learning methods. However, many of these…

Image and Video Processing · Electrical Eng. & Systems 2024-03-01 Yifeng Wang , Ke Chen , Haohan Wang

Knee osteoarthritis (KOA) is a prevalent musculoskeletal disorder, often diagnosed using X-rays due to its cost-effectiveness. While Magnetic Resonance Imaging (MRI) provides superior soft tissue visualization and serves as a valuable…

Image and Video Processing · Electrical Eng. & Systems 2024-12-30 Zhe Wang , Yung Hsin Chen , Aladine Chetouani , Fabian Bauer , Yuhua Ru , Fang Chen , Liping Zhang , Rachid Jennane , Mohamed Jarraya

Despite significant progress in generative modelling, existing diffusion models often struggle to produce anatomically precise female pelvic images, limiting their application in gynaecological imaging, where data scarcity and patient…

Image and Video Processing · Electrical Eng. & Systems 2025-08-26 Johanna P. Müller , Anika Knupfer , Pedro Blöss , Edoardo Berardi Vittur , Bernhard Kainz , Jana Hutter

We present a method to discover interesting brain regions in [18F] fluorodeoxyglucose positron emission tomography (PET) scans, showing also the benefits when PET scans are in combined use with non-imaging variables. The discriminative…

Neurons and Cognition · Quantitative Biology 2019-08-14 Rui Li , Robert Perneczky , Alexander Drzezga , Stefan Kramer

Fully-supervised lesion recognition methods in medical imaging face challenges due to the reliance on large annotated datasets, which are expensive and difficult to collect. To address this, synthetic lesion generation has become a…

Image and Video Processing · Electrical Eng. & Systems 2026-02-16 Wenhui Lei , Henrui Tian , Linrui Dai , Hanyu Chen , Xiaofan Zhang

Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) are the predominant modalities utilized in the field of medical imaging. Although MRI capture the complexity of anatomical structures with greater detail than CT, it entails a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Zhenbin Wang , Lei Zhang , Lituan Wang , Zhenwei Zhang

Parameter-efficient fine-tuning (PEFT) has emerged as a promising paradigm for adapting pretrained models under limited data conditions. However, most existing PEFT methods are designed for matrix-structured parameters and are not well…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Guanghua He , Hancan Zhu , Gaohang Yu , An Zhang

Positron emission tomography (PET) is widely used to assess metabolic activity, but its application is limited by the availability of radiotracers. 18F-labeled fluorodeoxyglucose (18F-FDG) is the most commonly used tracer but shows limited…

Image and Video Processing · Electrical Eng. & Systems 2025-06-24 Fang Chen , Weifeng Zhang , Xingyu Ai , BingXuan Li , An Li , Qiegen Liu

Foundation medical segmentation models, with MedSAM being the most popular, have achieved promising performance across organs and lesions. However, MedSAM still suffers from compromised performance on specific lesions with intricate…

Quantitative Methods · Quantitative Biology 2025-07-16 Kecheng Chen , Xinyu Luo , Tiexin Qin , Jie Liu , Hui Liu , Victor Ho Fun Lee , Hong Yan , Haoliang Li

In oncology, Positron Emission Tomography imaging is widely used in diagnostics of cancer metastases, in monitoring of progress in course of the cancer treatment, and in planning radiotherapeutic interventions. Accurate and reproducible…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Jakub Czakon , Filip Drapejkowski , Grzegorz Zurek , Piotr Giedziun , Jacek Zebrowski , Witold Dyrka

Placenta Accreta Spectrum (PAS) is a serious obstetric condition that can be challenging to diagnose with Magnetic Resonance Imaging (MRI) due to variability in radiologists' interpretations. To overcome this challenge, a hybrid 3D deep…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Sumaiya Ali , Areej Alhothali , Ohoud Alzamzami , Sameera Albasri , Ahmed Abduljabbar , Muhammad Alwazzan

Diffusion-based generative models have shown promise in synthesizing histopathology images to address data scarcity caused by privacy constraints. Diagnostic text reports provide high-level semantic descriptions, and masks offer…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Mahesh Bhosale , Abdul Wasi , Yuanhao Zhai , Yunjie Tian , Samuel Border , Nan Xi , Pinaki Sarder , Junsong Yuan , David Doermann , Xuan Gong

Current AI-assisted skin image diagnosis has achieved dermatologist-level performance in classifying skin cancer, driven by rapid advancements in deep learning architectures. However, unlike traditional vision tasks, skin images in general…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Xin Hu , Janet Wang , Jihun Hamm , Rie R Yotsu , Zhengming Ding

Remarkable progress has been made by data-driven machine-learning methods in the analysis of MRI scans. However, most existing MRI analysis approaches are crafted for specific MR pulse sequences (MR contrasts) and usually require nearly…

Image and Video Processing · Electrical Eng. & Systems 2024-03-12 Peirong Liu , Oula Puonti , Annabel Sorby-Adams , William T. Kimberly , Juan E. Iglesias

To achieve high-quality results, diffusion models must be trained on large datasets. This can be notably prohibitive for models in specialized domains, such as computational pathology. Conditioning on labeled data is known to help in…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Srikar Yellapragada , Alexandros Graikos , Prateek Prasanna , Tahsin Kurc , Joel Saltz , Dimitris Samaras

Positron Emission Tomography (PET) is a powerful medical imaging technique, but the design and evaluation of new PET scanner technologies present significant challenges. The process is typically divided into three major stages: 1. detector…

Instrumentation and Detectors · Physics 2026-01-30 J. Renner , J. J. Gómez-Cadenas , R. Soleti

While Generative Adversarial Nets (GANs) and Diffusion Models (DMs) have achieved impressive results in natural image synthesis, their core strengths - creativity and realism - can be detrimental in medical applications, where accuracy and…

Image and Video Processing · Electrical Eng. & Systems 2025-10-22 Sebastian Rassmann , David Kügler , Christian Ewert , Martin Reuter

Magnetic resonance imaging (MRI) raw data, or k-Space data, is complex-valued, containing both magnitude and phase information. However, clinical and existing Artificial Intelligence (AI)-based methods focus only on magnitude images,…

Image and Video Processing · Electrical Eng. & Systems 2025-04-11 Moritz Rempe , Fabian Hörst , Helmut Becker , Marco Schlimbach , Lukas Rotkopf , Kevin Kröninger , Jens Kleesiek
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