中文
相关论文

相关论文: Learning-based sound speed estimation and aberrati…

200 篇论文

Audio deepfake detection has become increasingly challenging due to rapid advances in speech synthesis and voice conversion technologies, particularly under channel distortions, replay attacks, and real-world recording conditions. This…

音频与语音处理 · 电气工程与系统科学 2026-01-13 K. A. Shahriar

Paediatric obstructive sleep apnoea (OSA) is clinically significant yet difficult to diagnose, as children poorly tolerate sensor-based polysomnography. Acoustic monitoring provides a non-invasive alternative for home-based OSA screening,…

音频与语音处理 · 电气工程与系统科学 2026-01-28 Chaoyue Niu , Veronica Rowe , Guy J. Brown , Heather Elphick , Heather Kenyon , Lowri Thomas , Sam Johnson , Ning Ma

Conventional photoacoustic imaging may suffer from the limited view and bandwidth of ultrasound transducers. A deep learning approach is proposed to handle these problems and is demonstrated both in simulations and in experiments on a…

图像与视频处理 · 电气工程与系统科学 2020-11-19 Guillaume Godefroy , Bastien Arnal , Emmanuel Bossy

Deep learning has not been routinely employed for semantic segmentation of seabed environment for synthetic aperture sonar (SAS) imagery due to the implicit need of abundant training data such methods necessitate. Abundant training data,…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Yung-Chen Sun , Isaac D. Gerg , Vishal Monga

Photoacoustic imaging (PAI) is a promising approach to realize in vivo transcranial cerebral vascular imaging. However, the strong attenuation and distortion of the photoacoustic wave caused by the thick porous skull greatly affect the…

医学物理 · 物理学 2022-08-16 Ya Gao , Wenyi Xu , Yiming Chen , Weiya Xie , Qian Cheng

Synthetic aperture sonar (SAS) reconstruction requires recovering both the spatial distribution of acoustic scatterers and their direction-dependent response. Time-domain backprojection is the most common 3D SAS reconstruction algorithm,…

图形学 · 计算机科学 2025-09-16 Omkar Shailendra Vengurlekar , Adithya Pediredla , Suren Jayasuriya

Several applications require the super-resolution of noisy images and the preservation of geometrical and texture features. State-of-the-art super-resolution methods do not account for noise and generally enhance the output image's…

图像与视频处理 · 电气工程与系统科学 2023-11-07 Simone Cammarasana , Giuseppe Patanè

Purpose: Stereo matching methods that enable depth estimation are crucial for visualization enhancement applications in computer-assisted surgery (CAS). Learning-based stereo matching methods are promising to predict accurate results on…

计算机视觉与模式识别 · 计算机科学 2023-02-07 Zixin Yang , Richard Simon , Cristian A. Linte

Stereo vision generally involves the computation of pixel correspondences and estimation of disparities between rectified image pairs. In many applications, including simultaneous localization and mapping (SLAM) and 3D object detection, the…

计算机视觉与模式识别 · 计算机科学 2020-11-11 WeiQin Chuah , Ruwan Tennakoon , Reza Hoseinnezhad , Alireza Bab-Hadiashar , David Suter

Learned iterative reconstructions hold great promise to accelerate tomographic imaging with empirical robustness to model perturbations. Nevertheless, an adoption for photoacoustic tomography is hindered by the need to repeatedly evaluate…

图像与视频处理 · 电气工程与系统科学 2023-04-05 Andreas Hauptmann , Jenni Poimala

Photoacoustic tomography (PAT) is a newly developed medical imaging modality, which combines the advantages of pure optical imaging and ultrasound imaging, owning both high optical contrast and deep penetration depth. Very recently, PAT is…

医学物理 · 物理学 2021-09-21 Tengbo Lyu , Jiadong Zhang , Zijian Gao , Changchun Yang , Feng Gao , Fei Gao

Photoacoustic imaging (PAI) suffers from inherent limitations that can degrade the quality of reconstructed results, such as noise, artifacts and incomplete data acquisition caused by sparse sampling or partial array detection. In this…

光学 · 物理学 2025-01-07 Yu Zhang , Shuang Li , Yibing Wang , Yu Sun , Wenyi Xiang

Recent advances in deep learning for tomographic reconstructions have shown great potential to create accurate and high quality images with a considerable speed-up. In this work we present a deep neural network that is specifically designed…

计算机视觉与模式识别 · 计算机科学 2020-09-07 Andreas Hauptmann , Felix Lucka , Marta Betcke , Nam Huynh , Jonas Adler , Ben Cox , Paul Beard , Sebastien Ourselin , Simon Arridge

Photoacoustic imaging (PAI) is an emerging non-invasive imaging modality combining the advantages of deep ultrasound penetration and high optical contrast. Image reconstruction is an essential topic in PAI, which is unfortunately an…

图像与视频处理 · 电气工程与系统科学 2019-08-06 Hengrong Lan , Daohuai Jiang , Changchun Yang , Fei Gao

This work presents dense stereo reconstruction using high-resolution images for infrastructure inspections. The state-of-the-art stereo reconstruction methods, both learning and non-learning ones, consume too much computational resource on…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Yaoyu Hu , Weikun Zhen , Sebastian Scherer

Recently, a novel measurement setup has been introduced to photoacoustic tomography, that collects data in the form of projections of the full 3D acoustic pressure distribution at a certain time instant. Existing imaging algorithms for this…

数值分析 · 数学 2018-08-03 Gerhard Zangerl , Markus Haltmeier , Linh V. Nguyen , Robert Nuster

Super-resolution ultrasound imaging (SRUS) is an active area of research as it brings up to a ten-fold improvement in the resolution of microvascular structures. The limitations to the clinical adoption of SRUS include long acquisition…

图像与视频处理 · 电气工程与系统科学 2024-08-05 Arthur David Redfern , Katherine G. Brown

For photoacoustic image reconstruction, certain parameters such as sensor positions and speed of sound have a major impact in the reconstruction process and must be carefully determined before data acquisition. Uncertainties in these…

信号处理 · 电气工程与系统科学 2021-11-24 L. Hirsch , M. G. Gonzalez , L. Rey Vega

This study introduces a motion-based learning network with a global-local self-attention module (MoGLo-Net) to enhance 3D reconstruction in handheld photoacoustic and ultrasound (PAUS) imaging. Standard PAUS imaging is often limited by a…

图像与视频处理 · 电气工程与系统科学 2025-02-07 SiYeoul Lee , SeonHo Kim , Minkyung Seo , SeongKyu Park , Salehin Imrus , Kambaluru Ashok , DongEon Lee , Chunsu Park , SeonYeong Lee , Jiye Kim , Jae-Heung Yoo , MinWoo Kim

Diffusion models has emerged as a powerful framework for tasks like image controllable generation and dense prediction. However, existing models often struggle to capture underlying semantics (e.g., edges, textures, shapes) and effectively…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Zhong Ji , Weilong Cao , Yan Zhang , Yanwei Pang , Jungong Han , Xuelong Li