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Dual-energy X-ray Computed Tomography (DECT) constitutes an advanced technology which enables automatic decomposition of materials in clinical images without manual segmentation using the dependency of the X-ray linear attenuation with…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Hang Xu , Alexandre Bousse , Alessandro Perelli

Unets have become the standard method for semantic segmentation of medical images, along with fully convolutional networks (FCN). Unet++ was introduced as a variant of Unet, in order to solve some of the problems facing Unet and FCNs.…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Samayan Bhattacharya , Sk Shahnawaz , Avigyan Bhattacharya

Deep convolutional neural networks (Deep CNN) have achieved hopeful performance for single image super-resolution. In particular, the Deep CNN skip Connection and Network in Network (DCSCN) architecture has been successfully applied to…

图像与视频处理 · 电气工程与系统科学 2026-01-12 Hala Neji , Mohamed Ben Halima , Javier Nogueras-Iso , Tarek. M. Hamdani , Abdulrahman M. Qahtani , Omar Almutiry , Habib Dhahri , Adel M. Alimi

Background. Clinical parameters measured from gated single-photon emission computed tomography myocardial perfusion imaging (SPECT MPI) have value in predicting cardiac resynchronization therapy (CRT) patient outcomes, but still show…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Kristoffer Larsena , Zhuo He , Chen Zhao , Xinwei Zhang , Quiying Sha , Claudio T Mesquitad , Diana Paeze , Ernest V. Garciaf , Jiangang Zou , Amalia Peix , Weihua Zhou

Standard dual-energy computed tomography (CT) uses two different X-ray energies to obtain energy-dependent tissue attenuation information to allow quantitative material decomposition. The combined use of dual-energy CT and positron emission…

医学物理 · 物理学 2020-12-30 Guobao Wang

Depth estimation (DE) provides spatial information about a scene and enables tasks such as 3D reconstruction, object detection, and scene understanding. Recently, there has been an increasing interest in using deep learning (DL)-based…

计算机视觉与模式识别 · 计算机科学 2025-01-10 Ali Rohan , Md Junayed Hasan , Andrei Petrovski

Iodinated contrast media is essential for dual-energy computed tomography (DECT) angiography. Previous studies show that iodinated contrast media may cause side effects, and the interruption of the supply chain in 2022 led to a severe…

图像与视频处理 · 电气工程与系统科学 2023-08-28 Qing Lyu , Josh Tan , Megan E. Lipford , Chuang Niu , Micheal E. Zapadka , Christopher M. Lack , Jonathan D. Clemente , Christopher T. Whitlow , Ge Wang

A neural-network (NN)-based method for high-speed, high-definition dynamic optical coherence tomography (DOCT) using full-field swept-source optical coherence microscopy (FF-SS-OCM) is demonstrated. FF-SS-OCM provides high-definition OCT…

Purpose: To develop and assess a deep learning (DL) pipeline to learn dynamic MR image reconstruction from publicly available natural videos (Inter4K). Materials and Methods: Learning was performed for a range of DL architectures (VarNet,…

The ability to synthesise Computed Tomography images - commonly known as pseudo CT, or pCT - from MRI input data is commonly assessed using an intensity-wise similarity, such as an L2-norm between the ground truth CT and the pCT. However,…

We present a novel method for predicting accurate depths from monocular images with high efficiency. This optimal efficiency is achieved by exploiting wavelet decomposition, which is integrated in a fully differentiable encoder-decoder…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Michaël Ramamonjisoa , Michael Firman , Jamie Watson , Vincent Lepetit , Daniyar Turmukhambetov

In recent years, Deep Learning (DL) has shown promising results in conducting AI tasks such as computer vision and image segmentation. Specifically, Convolutional Neural Network (CNN) models in DL have been applied to prevention,detection,…

图像与视频处理 · 电气工程与系统科学 2019-11-19 Ahmed Awad Albishri , Syed Jawad Hussain Shah , Anthony Schmiedler , Seung Suk Kang , Yugyung Lee

Dual-energy computed tomography (CT) is to reconstruct images of an object from two projection datasets generated from two distinct x-ray source energy spectra. It can provide more accurate attenuation quantification than conventional CT…

医学物理 · 物理学 2018-05-15 Wenxiang Cong , Daniel Harrison , Yan Xi , Ge Wang

Low-dose computed tomography (LDCT) is critical for minimizing radiation exposure, but it often leads to increased noise and reduced image quality. Traditional denoising methods, such as iterative optimization or supervised learning, often…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Debopom Sutradhar , Ripon Kumar Debnath , Mohaimenul Azam Khan Raiaan , Yan Zhang , Reem E. Mohamed , Sami Azam

Purpose: Electron density is the most important tissue property influencing photon and ion dose distributions in radiotherapy patients. Dual-energy computed tomography (DECT) enables the determination of electron density by combining the…

医学物理 · 物理学 2017-06-29 Christian Möhler , Patrick Wohlfahrt , Christian Richter , Steffen Greilich

Deep neural networks have a great potential to improve image denoising in low-dose computed tomography (LDCT). Popular ways to increase the network capacity include adding more layers or repeating a modularized clone model in a sequence. In…

图像与视频处理 · 电气工程与系统科学 2020-05-15 Siqi Li , Guobao Wang

Due to the rapid growth of Electrical Capacitance Tomography (ECT) applications in several industrial fields, there is a crucial need for developing high quality, yet fast, methodologies of image reconstruction from raw capacitance…

图像与视频处理 · 电气工程与系统科学 2024-04-09 Wael Deabes , Alaa E. Abdel-Hakim

Purpose: In multi-spectral imaging (MSI), several fast spin echo volumes with discrete Larmor frequency offsets are acquired in an interleaved fashion with multiple concatenations. Here, a variable resolution (VR) method to nearly halve…

医学物理 · 物理学 2023-06-06 Nikolai J. Mickevicius , Azadeh Sharafi , Andrew S. Nencka , Kevin M. Koch

The potential huge advantage of spectral computed tomography (CT) is its capability to provide accuracy material identification and quantitative tissue information. This can benefit clinical applications, such as brain angiography, early…

图像与视频处理 · 电气工程与系统科学 2020-08-18 Weiwen Wu , Haijun Yu , Peijun Chen , Fulin Luo , Fenglin Liu , Qian Wang , Yining Zhu , Yanbo Zhang , Jian Feng , Hengyong Yu

Laryngeal cancer imaging research lacks standardised datasets to enable reproducible deep learning (DL) model development. We present LaryngealCT, a curated benchmark of 1,029 computed tomography (CT) scans aggregated from six collections…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Nivea Roy , Son Tran , Atul Sajjanhar , K. Devaraja , Prakashini Koteshwara , Yong Xiang , Divya Rao