Optical coherence elastography

Author: tiwp

August undefined, 2024

WebRobust methods to compute tissue displacements in optical coherence elastography (OCE) data are paramount, as they play a significant role in the accuracy of tissue elastic properties estimation. In this study, the accuracy of different phase estimators was evaluated on simulated OCE data, where the displacements can be accurately set, and on real data. … WebApr 1, 2011 · Optical coherence elastography (OCE) benefits from the superior spatial resolution of OCT and has promising applications, including cancer diagnosis and the detailed characterization of arterial...

JCM Free Full-Text The Value of Anterior Segment Optical …

WebOptical coherence elastography-measured values of E were statistically different between groups at all pressures (P < 0.1 for IOP of 5 mmHg to 20 mmHg, respectively). The means … WebMar 1, 2024 · Optical coherence elastography (OCE) has seen rapid growth since its introduction in 1998. The past few decades have seen tremendous advancements in the … billyronks global ltd

Viscosity monitoring during hemodiluted blood coagulation using optical …

WebBiomechanical contrast within tissues can be assessed based on the resonant frequency probed by spectroscopic magnetomotive optical coherence elastography (MM-OCE). However, to date, in vivo MM-OCE imaging has not been achieved, mainly due to the constraints on imaging speed. Previously, spatially-resolved spectroscopic contrast was … WebBiomedical Optics Express 13, no. 9 (2024): 4870-4888. [ Full text] Shaiban Ahmed, David Le, Taeyoon Son, Tobiloba Adejumo, Xincheng Yao, and Visual Science. “ADC-Net: An Open … WebImproved light sources and scanning methods in optical coherence tomography (OCT) have led to rapid growth in systems for high-resolution, quantitative elastography using imaged … cynthia cantu ttu

Optical coherence elastography (with photonic or ultrasound …

Ultrahigh-sensitive optical coherence elastography Light: …

WebApr 3, 2024 · Download Citation Identification of the Vibrational Optical Coherence Tomography Corneal Cellular Peak Purpose: Our team previously identified the presence of five corneal resonant frequency ... WebNov 23, 2024 · The method first uses the simulated wrapped phase maps and corresponding phase-gradient maps to train the strain estimation convolution neural network (CNN) and then employs the trained CNN to... cynthia caplan cynthia cantleberry paso robles ca

"WebMay 6, 2009 · We present a novel optical coherence elastography technique to investigate the elastic properties of tissue in the hundred hertz to kilohertz range. The technique uses optical coherence tomography, which is based on low-coherence interferometry, to detect the vibration amplitude of tissue introduced by an actuator. " - Optical coherence elastography

Optical coherence elastography

JCM Free Full-Text The Value of Anterior Segment Optical Coherence …

WebDec 3, 2024 · Biomechanical properties of corneal scar are strongly correlated with many corneal diseases and some types of corneal surgery, however, there is no elasticity … WebJun 27, 2024 · Anterior segment optical coherence tomography (AS-OCT) is a modality that uses low-coherence interferometry to visualize and assess anterior segment ocular …

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WebApr 13, 2024 · Phase-Resolved Optical Coherence Elastography: An Insight into T issue Displacement Estimation Ana Batista 1, 2, * , Pedro Serranho 1,3 , M á rio J. Santos 4 , … WebFeb 1, 2015 · We present first quantitative three-dimensional (3D) data sets recorded using optical coherence elastography (OCE) for the diagnosis and detection of prostate cancer (PCa). 120 transrectal ultrasound guided prostate biopsy specimens from 10 men suspected with prostate cancer were imaged using OCE. 3D quantitative mechanical assessment of …

WebOptical Coherence Elastography (OCE) is an emerging technique that allows noninvasive assessment of tissue biomechanical properties with high lateral and axial resolutions. … WebApr 1, 2024 · This paper presents the combination of phase sensitive optical coherence tomography (PhS-OCT) imaging system and surface wave method to achieve quantitative evaluation and elastography of the...

WebIn optical coherence elastography, a mechanical load is imparted to a tissue and the resulting deformation is measured using optical coherence tomography. The deformation … WebMar 20, 2024 · Optical Coherence Elastography (32.1) Fig. 32.1 ( a) Stress components acting at the point P located within a deformable body under load. ( b) Normal strain along the x -axis of the cube in ( a) (i) before and (ii) after compressive deformation. The gray line in (ii) represents the initial length.

WebThe optical coherence tomography beam scanned the corneal surface in a lateral sampling grid (~1 × 1 mm; 0.1- and 0.25-mm spacing, respectively, in horizontal and vertical directions) with a minimal distance of 0.15 mm away from the stimulation point to avoid near-field effects of tissue stimulation ( Fig. 1 ).

WebOptical coherence elastography (OCE) benefits from the superior spatial resolution of OCT and has promising applications, including cancer diagnosis and the detailed characterization of arterial wall biomechanics, both of which are based on the elastic properties of the tissue under investigation. billy root twitterWebJan 14, 2024 · After ten years of progress and innovation, optical coherence elastography (OCE) based on the propagation of mechanical waves has become one of the major and … billy roll meatWebJun 27, 2024 · Anterior segment optical coherence tomography (AS-OCT) is a modality that uses low-coherence interferometry to visualize and assess anterior segment ocular features, offering several advantages of being a sterile and noncontact modality that generates high-resolution cross-sectional images of the tissues. The qualitative and quantitative … billy rollingsWebJul 5, 2024 · In more recent years, optical coherence tomography (OCT) is another intravascular imaging modality used to obtain high-resolution structural images 5. More recently, the deep penetration of... billy root musicianWebLed by Prof. Stephen Boppart, the Biophotonics Imaging Laboratory is dedicated to developing novel label-free optical imaging technologies and translating these into clinical … billy romanoWebRapid and accurate clot diagnostic systems are needed for the assessment of hemodiluted blood coagulation. We develop a real-time optical coherence elastography (OCE) system, which measures the attenuation coefficient of a compressional wave induced by a piezoelectric transducer (PZT) in a drop of blood using optical coherence tomography … cynthia capshaw postWebRapid and accurate clot diagnostic systems are needed for the assessment of hemodiluted blood coagulation. We develop a real-time optical coherence elastography (OCE) system, … cynthia cardinal