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Synthetic aperture sonar (SAS) image resolution is constrained by waveform bandwidth and array geometry. Specifically, the waveform bandwidth determines a point spread function (PSF) that blurs the locations of point scatterers in the…

计算机视觉与模式识别 · 计算机科学 2021-12-17 Albert Reed , Thomas Blanford , Daniel C. Brown , Suren Jayasuriya

Multivariate Singular Spectrum Analysis (MSSA) is a powerful and widely used nonparametric method for multivariate time series, which allows the analysis of complex temporal data from diverse fields such as finance, healthcare, ecology, and…

统计方法学 · 统计学 2024-07-08 Fabio Centofanti , Mia Hubert , Biagio Palumbo , Peter J. Rousseeuw

Synthetic aperture radar (SAR) is a day or night any-weather imaging modality that is an important tool in remote sensing. Most existing SAR image formation methods result in a maximum a posteriori image which approximates the reflectivity…

应用统计 · 统计学 2020-07-14 Victor Churchill , Anne Gelb

Novel view synthesis (NVS) in ultrasound has gained attention as a technique for generating anatomically plausible views beyond the acquired frames, offering new capabilities for training clinicians or data augmentation. However, current…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Felix Duelmer , Jakob Klaushofer , Magdalena Wysocki , Nassir Navab , Mohammad Farid Azampour

Digital Subtraction Angiography (DSA) is a clinically significant imaging technique for diagnosing cerebrovascular disease, as gold-standard. However, the artifacts caused by motion of high-attenuation tissues such as bones, teeth, and…

图像与视频处理 · 电气工程与系统科学 2026-04-14 Rongjun Ge , Weilong Mao , Jian Lu , Rong Yan , Yikun Zhang , Peng Yuan , Jun Xiang , Hui Tang , Guanyu Yang , Yudong Zhang , Yang Chen , Shuo Li

Digital Subtraction Angiography (DSA) is one of the gold standards in vascular disease diagnosing. With the help of contrast agent, time-resolved 2D DSA images deliver comprehensive insights into blood flow information and can be utilized…

图像与视频处理 · 电气工程与系统科学 2024-05-20 Zhentao Liu , Huangxuan Zhao , Wenhui Qin , Zhenghong Zhou , Xinggang Wang , Wenping Wang , Xiaochun Lai , Chuansheng Zheng , Dinggang Shen , Zhiming Cui

The standard technique used by commercial medical ultrasound systems to form B-mode images is delay and sum (DAS) beamforming. However, DAS often results in limited image resolution and contrast, which are governed by the center frequency…

信息论 · 计算机科学 2018-08-06 Regev Cohen , Yonina C. Eldar

Estimation of optical aberrations from volumetric intensity images is a key step in sensorless adaptive optics for 3D microscopy. Recent approaches based on deep learning promise accurate results at fast processing speeds. However,…

图像与视频处理 · 电气工程与系统科学 2020-10-28 Debayan Saha , Uwe Schmidt , Qinrong Zhang , Aurelien Barbotin , Qi Hu , Na Ji , Martin J. Booth , Martin Weigert , Eugene W. Myers

Magnetic Resonance Elastography (MRE) has become an essential tool in assessing the mechanical properties of soft tissues in-vivo, prompting significant progress in new inversion algorithms. This creates a need for a benchmarking framework…

Synthetic data generation plays a crucial role in medical research by mitigating privacy concerns and enabling large-scale patient data analysis. This study presents a beta-Variational Autoencoder Graph Convolutional Neural Network…

机器学习 · 计算机科学 2025-06-18 Francesco Fabbri , Martino Andrea Scarpolini , Angelo Iollo , Francesco Viola , Francesco Tudisco

Ultrasound-based elasticity imaging is a non-invasive technique for estimating tissue stiffness fields from displacement fields obtained by comparing ultrasound signals before and after compression. While recent deep learning approaches…

医学物理 · 物理学 2026-01-22 Heekyu Kim , Hugon LEe , Minwoo Park , Seunghwa Ryu

Robot-assisted surgery has advantages compared to conventional laparoscopic procedures, e.g., precise movement of the surgical instruments, improved dexterity, and high-resolution visualization of the surgical field. However, mechanical…

图像与视频处理 · 电气工程与系统科学 2025-01-28 Maximilian Neidhardt , Robin Mieling , Sarah Latus , Martin Fischer , Tobias Maurer , Alexander Schlaefer

Popular Transformer networks have been successfully applied to remote sensing (RS) image change detection (CD) identifications and achieve better results than most convolutional neural networks (CNNs), but they still suffer from two main…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Tao Lei , Yetong Xu , Hailong Ning , Zhiyong Lv , Chongdan Min , Yaochu Jin , Asoke K. Nandi

Ultrasound Elastography aims to determine the mechanical properties of the tissue by monitoring tissue deformation due to internal or external forces. Tissue deformations are estimated from ultrasound radio frequency (RF) signals and are…

图像与视频处理 · 电气工程与系统科学 2021-10-19 Abdelrahman Zayed , Hassan Rivaz

Estimating the elasticity of soft tissue can provide useful information for various diagnostic applications. Ultrasound shear wave elastography offers a non-invasive approach. However, its generalizability and standardization across…

图像与视频处理 · 电气工程与系统科学 2025-08-07 Sarah Grube , Sören Grünhagen , Sarah Latus , Michael Meyling , Alexander Schlaefer

High resolution imaging is achieved using increasingly larger apertures and successively shorter wavelengths. Optical aperture synthesis is an important high-resolution imaging technology used in astronomy. Conventional long baseline…

光学 · 物理学 2022-12-05 Chunyan Chu , Zhentao Liu , Mingliang Chen , Xuehui Shao , Yuejin Zhao , Shensheng Han

Endoscopic ultrasound (EUS) imaging has a trade-off between resolution and penetration depth. By considering the in-vivo characteristics of human organs, it is necessary to provide clinicians with appropriate hardware specifications for…

图像与视频处理 · 电气工程与系统科学 2023-09-14 Hah Min Lew , Jae Seong Kim , Moon Hwan Lee , Jaegeun Park , Sangyeon Youn , Hee Man Kim , Jihun Kim , Jae Youn Hwang

This paper introduces SENA (SEamlessly NAtural), a geometry-driven image stitching approach that prioritizes structural fidelity in challenging real-world scenes characterized by parallax and depth variation. Conventional image stitching…

图像与视频处理 · 电气工程与系统科学 2026-01-06 Gaetane Lorna N. Tchana , Damaris Belle M. Fotso , Antonio Hendricks , Christophe Bobda

Digital subtraction angiography (DSA) is a key imaging technique for the auxiliary diagnosis and treatment of cerebrovascular diseases. Recent advancements in gaussian splatting and dynamic neural representations have enabled robust 3D…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Shiyu Zhang , Zhicong Wu , Huangxuan Zhao , Zhentao Liu , Lei Chen , Yong Luo , Lefei Zhang , Zhiming Cui , Ziwen Ke , Bo Du

The development of generative models in the past decade has allowed for hyperrealistic data synthesis. While potentially beneficial, this synthetic data generation process has been relatively underexplored in cancer histopathology. One…

图像与视频处理 · 电气工程与系统科学 2024-12-10 Aakash Madhav Rao , Debayan Gupta