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相关论文: Super resolution imaging through the human skull

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Background: Trans-spinal FUS (tsFUS) has recently been shown promise in modulating spinal reflexes in rodents, opening new avenues for spinal cord interventions in motor control and pain management. However, anatomical differences between…

医学物理 · 物理学 2025-07-09 Koharu Isomura , Wenwei Yu , Jose Gomez-Tames

In this paper we address the problem of hallucinating high-resolution facial images from unaligned low-resolution inputs at high magnification factors. We approach the problem with convolutional neural networks (CNNs) and propose a novel…

计算机视觉与模式识别 · 计算机科学 2019-02-12 Klemen Grm , Simon Dobrišek , Walter J. Scheirer , Vitomir Štruc

CT scanners that are commonly-used in hospitals nowadays produce low-resolution images, up to 512 pixels in size. One pixel in the image corresponds to a one millimeter piece of tissue. In order to accurately segment tumors and make…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Mariana-Iuliana Georgescu , Radu Tudor Ionescu , Nicolae Verga

Imaging in thick biological tissues is often degraded by sample-induced aberrations, which reduce image quality and resolution, particularly in super-resolution techniques. While hardware-based adaptive optics, which correct aberrations…

Three-dimensional ultrasound enables real-time volumetric visualization of anatomical structures. Unlike traditional 2D ultrasound, 3D imaging reduces reliance on precise probe orientation, potentially making ultrasound more accessible to…

图像与视频处理 · 电气工程与系统科学 2026-05-05 Tristan S. W. Stevens , Oisín Nolan , Oudom Somphone , Jean-Luc Robert , Ruud J. G. van Sloun

The recent introduction of portable, low-field MRI (LF-MRI) into the clinical setting has the potential to transform neuroimaging. However, LF-MRI is limited by lower resolution and signal-to-noise ratio, leading to incomplete…

In Ultrasound Localization Microscopy (ULM), achieving high-resolution images relies on the precise localization of contrast agent particles across a series of beamformed frames. However, our study uncovers an enormous potential: The…

计算几何 · 计算机科学 2024-04-09 Christopher Hahne , Georges Chabouh , Arthur Chavignon , Olivier Couture , Raphael Sznitman

This is the third article in a series of three dealing with the exploitation of speckle for imaging purposes. In complex media, a fundamental limit is the multiple scattering phenomenon that completely blurs the imaging process in depth.…

应用物理 · 物理学 2026-02-06 Elsa Giraudat , Flavien Bureau , William Lambert , Mathias Fink , Alexandre Aubry

To treat Trochlear Dysplasia (TD), current approaches rely mainly on low-resolution clinical Magnetic Resonance (MR) scans and surgical intuition. The surgeries are planned based on surgeons experience, have limited adoption of minimally…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Michael Wehrli , Alicia Durrer , Paul Friedrich , Sidaty El Hadramy , Edwin Li , Luana Brahaj , Carol C. Hasler , Philippe C. Cattin

Simulation-guided transcranial focused ultrasound therapies rely on estimating skull acoustic properties from pretreatment imaging. Typical clinical resolution (0.5 mm isotropic) cannot resolve bone microstructure, making the acoustic…

医学物理 · 物理学 2025-12-11 Samuel Clinard , Taylor Webb , Henrik Odéen , Dennis L. Parker , Douglas A. Christensen

In brain tumor resection, accurate removal of cancerous tissues while preserving eloquent regions is crucial to the safety and outcomes of the treatment. However, intra-operative tissue deformation (called brain shift) can move the surgical…

图像与视频处理 · 电气工程与系统科学 2023-07-28 Soorena Salari , Amirhossein Rasoulian , Hassan Rivaz , Yiming Xiao

Ultrasound vascular imaging is limited by acoustic diffraction, restricting visualization of microvessels essential for understanding organ function and disease. Label-free super-resolution methods exploiting endogenous red blood cells have…

Parallel imaging techniques have been widely used in high-field magnetic resonance imaging (MRI). Multiple receiver coils have been shown to improve image quality and allow accelerated image acquisition. Magnetic resonance imaging at…

医学物理 · 物理学 2008-11-26 V. S. Zotev , P. L. Volegov , A. N. Matlashov , M. A. Espy , J. C. Mosher , R. H. Kraus

Over the past few decades, numerous attempts have been made to address the problem of recovering a high-resolution (HR) facial image from its corresponding low-resolution (LR) counterpart, a task commonly referred to as face hallucination.…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Ali Abbasi , Mohammad Rahmati

Matrix imaging paves the way towards a next revolution in wave physics. Based on the response matrix recorded between a set of sensors, it enables an optimized compensation of aberration phenomena and multiple scattering events that usually…

图像与视频处理 · 电气工程与系统科学 2023-11-03 Flavien Bureau , Justine Robin , Arthur Le Ber , William Lambert , Mathias Fink , Alexandre Aubry

Focusing light inside scattering media in a freely addressable fashion is challenging, as the wavefront of the scattered light is highly disordered. Recently developed ultrasound-guided wavefront shaping methods are addressing this…

光学 · 物理学 2016-01-20 Haowen Ruan , Mooseok Jang , Changhuei Yang

Multifocus microscopy enables recording of entire volumes in a single camera exposure. In dense samples, multifocus microscopy is severely hampered by background haze. Here, we introduce a scalable multifocus method that incorporates…

Ultrasound (US) is widely used for clinical imaging applications thanks to its real-time and non-invasive nature. However, its lesion detectability is often limited in many applications due to the phase aberration artefact caused by…

图像与视频处理 · 电气工程与系统科学 2022-02-18 Shujaat Khan , Jaeyoung Huh , Jong Chul Ye

Super-resolution is an innovative technique that upscales the resolution of an image or a video and thus enables us to reconstruct high-fidelity images from low-resolution data. This study performs super-resolution analysis on turbulent…

流体动力学 · 物理学 2022-02-15 T. S. Sachin Venkatesh , Rajat Srivastava , Pratyush Bhatt , Prince Tyagi , Raj Kumar Singh

The resolution of optical imaging devices is ultimately limited by the diffraction of light. To circumvent this limit, modern super-resolution microscopy techniques employ active interaction with the object by exploiting its optical…

光学 · 物理学 2022-01-05 A. A. Pushkina , G. Maltese , J. I. Costa-Filho , P. Patel , A. I. Lvovsky