English
Related papers

Related papers: Artificial Intelligence-Guided PET Image Reconstru…

200 papers

Magnetic Resonance Imaging (MRI) and Positron Emission Tomography (PET) automatic 3-D registration is implemented and validated for small animal image volumes so that the high-resolution anatomical MRI information can be fused with the low…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Nathanael L. Baisa , Stéphanie Bricq , Alain Lalande

Purpose: Proton therapy provides superior dose conformity compared to photon therapy, but its treatment planning is challenged by sensitivity to anatomical changes, setup/range uncertainties, and computational complexity. This review…

Reconstructing an image from its Radon transform is a fundamental computed tomography (CT) task arising in applications such as X-ray scans. In many practical scenarios, a full 180-degree scan is not feasible, or there is a desire to reduce…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Ilmari Vahteristo , Zhi-Song Liu , Andreas Rupp

Anatomically guided PET reconstruction using MRI information has been shown to have the potential to improve PET image quality. However, these improvements are limited to PET scans with paired MRI information. In this work we employed a…

Image and Video Processing · Electrical Eng. & Systems 2024-03-28 Weijie Gan , Huidong Xie , Carl von Gall , Günther Platsch , Michael T. Jurkiewicz , Andrea Andrade , Udunna C. Anazodo , Ulugbek S. Kamilov , Hongyu An , Jorge Cabello

Image representation is critical for many visual tasks. Instead of representing images discretely with 2D arrays of pixels, a recent study, namely local implicit image function (LIIF), denotes images as a continuous function where pixel…

Image and Video Processing · Electrical Eng. & Systems 2022-08-10 Hongwei Li , Tao Dai , Yiming Li , Xueyi Zou , Shu-Tao Xia

In computational imaging, hardware for signal sampling and software for object reconstruction are designed in tandem for improved capability. Examples of such systems include computed tomography (CT), magnetic resonance imaging (MRI), and…

Image and Video Processing · Electrical Eng. & Systems 2022-11-01 Andrew Olsen , Yolanda Hu , Vidya Ganapati

This study introduces an AI-driven skin lesion classification algorithm built on an enhanced Transformer architecture, addressing the challenges of accuracy and robustness in medical image analysis. By integrating a multi-scale feature…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Jiacheng Hu , Yanlin Xiang , Yang Lin , Junliang Du , Hanchao Zhang , Houze Liu

This paper presents a comprehensive survey of computational imaging (CI) techniques and their transformative impact on computer vision (CV) applications. Conventional imaging methods often fail to deliver high-fidelity visual data in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Humera Shaikh , Kaur Jashanpreet

Humans are able to categorize images very efficiently, in particular to detect the presence of an animal very quickly. Recently, deep learning algorithms based on convolutional neural networks (CNNs) have achieved higher than human accuracy…

Neurons and Cognition · Quantitative Biology 2023-06-01 Jean-Nicolas Jérémie , Laurent U Perrinet

PET is an established medical diagnostic imaging method. Continuous improvements are aimed at refining image reconstruction, reducing the amount of radioactive tracer and combining with targeted therapy. TOF-PET provides the localization of…

Medical Physics · Physics 2021-11-17 Tomasz Matulewicz

Functional ultrasound (fUS) imaging provides exceptional spatiotemporal resolution for neurovascular mapping, yet its practical application is significantly hampered by critical challenges. Foremost among these are data scarcity, arising…

Image and Video Processing · Electrical Eng. & Systems 2025-05-29 Xuhang Chen , Zhuo Li , Yanyan Shen , Mufti Mahmud , Hieu Pham , Chi-Man Pun , Shuqiang Wang

Medical imaging modalities have revolutionized health-care approaches by offering a better understanding of the human anatomy. Discovery of x-rays allowed the exploiting of the micro-scaled information of human anatomy. Computed tomography…

Medical Physics · Physics 2018-09-18 Sanam Assili

Long lasting efforts have been made to reduce radiation dose and thus the potential radiation risk to the patient for computed tomography acquisitions without severe deterioration of image quality. To this end, numerous reconstruction and…

Medical Physics · Physics 2024-10-07 Elias Eulig , Björn Ommer , Marc Kachelrieß

Unconstrained face recognition is an active research area among computer vision and biometric researchers for many years now. Still the problem of face recognition in low quality photos has not been well-studied so far. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Iqbal Nouyed , Na Zhang

Multi-scale 3D characterization is widely used by materials scientists to further their understanding of the relationships between microscopic structure and macroscopic function. Scientific computed tomography (CT) instruments are one of…

Image and Video Processing · Electrical Eng. & Systems 2022-01-12 S. V. Venkatakrishnan , K. Aditya Mohan , Amir Koushyar Ziabari , Charles A. Bouman

Purpose: This study focuses on the development of automated text generation from radiology images, termed diagnostic captioning, to assist medical professionals in reducing clinical errors and improving productivity. The aim is to provide…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Quan Van Nguyen , Huy Quang Pham , Dan Quang Tran , Thang Kien-Bao Nguyen , Nhat-Hao Nguyen-Dang , Bao-Thien Nguyen-Tat

Recent work has shown improved lesion detectability and flexibility to reconstruction hyperparameters (e.g. scanner geometry or dose level) when PET images are reconstructed by leveraging pre-trained diffusion models. Such methods train a…

Medical Physics · Physics 2025-08-28 George Webber , Alexander Hammers , Andrew P. King , Andrew J. Reader

Fourier ptychography is a recently explored imaging method for overcoming the diffraction limit of conventional cameras with applications in microscopy and yielding high-resolution images. In order to splice together low-resolution images…

Image and Video Processing · Electrical Eng. & Systems 2020-03-18 Yican Chen , Zhi Luo , Xia Wu , Huidong Yang , Bo Huang

Artificial intelligence (AI) methodologies hold great promise for the rapid and accurate diagnosis of coronary artery disease (CAD) from intravascular optical coherent tomography (IVOCT) images. Numerous papers have been published…

Image and Video Processing · Electrical Eng. & Systems 2025-02-03 Xu Chen , Yuan Huang , Benn Jessney , Jason Sangha , Sophie Gu , Carola-Bibiane Schönlieb , Martin Bennett , Michael Roberts

Current imaging methods for diagnosing BC are associated with limited sensitivity and specificity and modest positive predictive power. The recent progress in image analysis using artificial intelligence (AI) has created great promise to…

Image and Video Processing · Electrical Eng. & Systems 2024-06-24 Reza Elahi , Mahdis Nazari