English
Related papers

Related papers: CTLESS: A scatter-window projection and deep learn…

200 papers

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

Computed Tomography (CT) is commonly used to image acute ischemic stroke (AIS) patients, but its interpretation by radiologists is time-consuming and subject to inter-observer variability. Deep learning (DL) techniques can provide automated…

Image and Video Processing · Electrical Eng. & Systems 2023-10-02 Alessandro Fontanella , Wenwen Li , Grant Mair , Antreas Antoniou , Eleanor Platt , Paul Armitage , Emanuele Trucco , Joanna Wardlaw , Amos Storkey

Grant-free protocols exploiting compressed sensing (CS) multi-user detection (MUD) are appealing for solving the random access problem in massive machine-type communications (mMTC) with sporadic device activity. Such protocols would greatly…

Information Theory · Computer Science 2022-05-03 Onel L. A. López , Glauber Brante , Richard D. Souza , Markku Juntti , Matti Latva-aho

Segmentation of organs or lesions from medical images plays an essential role in many clinical applications such as diagnosis and treatment planning. Though Convolutional Neural Networks (CNN) have achieved the state-of-the-art performance…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Xiangde Luo , Guotai Wang , Tao Song , Jingyang Zhang , Michael Aertsen , Jan Deprest , Sebastien Ourselin , Tom Vercauteren , Shaoting Zhang

Purpose: Arterial spin labeling (ASL) perfusion imaging indicates direct and absolute measurement of cerebral blood flow (CBF). Arterial transit time (ATT) is a related physiological parameter reflecting the duration for the labeled spins…

Image and Video Processing · Electrical Eng. & Systems 2022-06-15 Yiran Li , Ze Wang

In the Text-to-speech(TTS) task, the latent diffusion model has excellent fidelity and generalization, but its expensive resource consumption and slow inference speed have always been a challenging. This paper proposes Discrete Diffusion…

Sound · Computer Science 2023-09-14 Zhichao Wu , Qiulin Li , Sixing Liu , Qun Yang

Objective: Hydrocephalus is a medical condition in which there is an abnormal accumulation of cerebrospinal fluid (CSF) in the brain. Segmentation of brain imagery into brain tissue and CSF (before and after surgery, i.e. pre-op vs. postop)…

Image and Video Processing · Electrical Eng. & Systems 2018-09-11 Venkateswararao Cherukuri , Peter Ssenyonga , Benjamin C. Warf , Abhaya V. Kulkarni , Vishal Monga , Steven J. Schiff

Diagnostic investigation has an important role in risk stratification and clinical decision making of patients with suspected and documented Coronary Artery Disease (CAD). However, the majority of existing tools are primarily focused on the…

Annotation of medical images, such as MRI and CT scans, is crucial for evaluating treatment efficacy and planning radiotherapy. However, the extensive workload of medical professionals limits their ability to annotate large image datasets,…

Image and Video Processing · Electrical Eng. & Systems 2025-03-03 Eichi Takaya , Shinnosuke Yamamoto

Shared spectrum systems facilitate spectrum allocation to unlicensed users without harming the licensed users; they offer great promise in optimizing spectrum utility, but their management (in particular, efficient spectrum allocation to…

Networking and Internet Architecture · Computer Science 2024-04-08 Mohammad Ghaderibaneh , Caitao Zhan , Himanshu Gupta

In medical imaging, accurate image segmentation is crucial for quantifying diseases, assessing prognosis, and evaluating treatment outcomes. However, existing methods lack an in-depth integration of global and local features, failing to pay…

Image and Video Processing · Electrical Eng. & Systems 2024-04-15 Yizhi Pan , Junyi Xin , Tianhua Yang , Teeradaj Racharak , Le-Minh Nguyen , Guanqun Sun

Coronary artery disease (CAD) is the dominant cause of death and hospitalization across the globe. Atherosclerosis, an inflammatory condition that gradually narrows arteries and has potentially fatal effects, is the most frequent cause of…

Recently, compressed sensing (CS) computed tomography (CT) using sparse projection views has been extensively investigated to reduce the potential risk of radiation to patient. However, due to the insufficient number of projection views, an…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Yo Seob Han , Jaejun Yoo , Jong Chul Ye

Non-contrast CT (NCCT) imaging may reduce image contrast and anatomical visibility, potentially increasing diagnostic uncertainty. In contrast, contrast-enhanced CT (CECT) facilitates the observation of regions of interest (ROI). Leading…

Image and Video Processing · Electrical Eng. & Systems 2024-11-18 Tingyi Lin , Pengju Lyu , Jie Zhang , Yuqing Wang , Cheng Wang , Jianjun Zhu

Contrastive learning has been proved to be a promising technique for image-level representation learning from unlabeled data. Many existing works have demonstrated improved results by applying contrastive learning in classification and…

Image and Video Processing · Electrical Eng. & Systems 2021-09-20 Dewen Zeng , John N. Kheir , Peng Zeng , Yiyu Shi

Purpose: To develop and evaluate a deep learning-based method that allows to perform myocardial infarct segmentation in a fully-automated way. Materials and Methods: For this retrospective study, a cascaded framework of two and…

Image and Video Processing · Electrical Eng. & Systems 2025-03-20 Matthias Schwab , Mathias Pamminger , Christian Kremser , Markus Haltmeier , Agnes Mayr

In recent years, Speech Emotion Recognition (SER) has been investigated mainly transforming the speech signal into spectrograms that are then classified using Convolutional Neural Networks pretrained on generic images and fine tuned with…

Sound · Computer Science 2022-11-07 A. Arezzo , S. Berretti

Accurate coronary artery segmentation from coronary computed tomography angiography is essential for quantitative coronary analysis and clinical decision support. Nevertheless, reliable segmentation remains challenging because of small…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Huan Huang , Michele Esposito , Chen Zhao

Purpose: Lung nodule segmentation, i.e., the algorithmic delineation of the lung nodule surface, is a fundamental component of computational nodule analysis pipelines. We propose a new method for segmentation that is a machine learning…

Image and Video Processing · Electrical Eng. & Systems 2021-01-20 Matthew C Hancock , Jerry F Magnan

The Compton camera is a promising alternative to the Anger camera for imaging gamma radiation, with the potential to significantly increase the sensitivity of SPECT. Two-dimensional Compton camera image reconstruction can be implemented by…

Numerical Analysis · Mathematics 2016-09-13 Markus Haltmeier , Sunghwan Moon , Daniela Schiefeneder