Optical coherence elastography
WebApr 26, 2024 · The problem of tissue strain estimation using optical coherence tomography (OCT) attracts significant attention, especially in the context of mapping tissue stiffness in optical coherence elastography (OCE) [1, 2].Besides this, there are biological applications for which strain mapping itself is of high interest and importance, for example, in the … WebAug 15, 2024 · Optical coherence elastography (OCE) based on digital volume correlation (DVC) has the advantages of full 3D displacements and strain tensor quantification. However, the measurement results are often unreliable due to the poor quality of the optical coherence tomography (OCT) speckle patterns.
Optical coherence elastography
Did you know?
WebMay 24, 2024 · Optical coherence elastography (OCE) ( Schmitt, 1998) is a rapidly developing method for quantitative measurement of soft tissue biomechanics. OCE is composed of a loading system to induce tissue deformation and an optical coherence tomography (OCT) to detect the tissue response. WebApr 13, 2024 · Robust methods to compute tissue displacements in optical coherence elastography (OCE) data are paramount, as they play a significant role in the accuracy of …
WebPolarisation-sensitive optical coherence tomography (PS-OCT) is a set of hardware and software extensions to OCT which allows us to measure the depth-resolved phase retardation caused by a tissue sample [2], and hence, calculate the birefringence of local regions of the tissue. WebSep 4, 2024 · Optical coherence elastography (OCE) presents a modality with high sensitivity and very high spatial and temporal resolution. However, OCE has a limited field of view of only 2–5 mm depth. We present a side-facing needle probe to image externally induced shear waves from within soft tissue.
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... WebNov 19, 2013 · Optical coherence elastography holds great promise for detecting and monitoring the altered mechanical properties that accompany many clinical conditions …
Optical coherence elastography (OCE) is an emerging imaging technique used in biomedical imaging to form pictures of biological tissue in micron and submicron level and maps the biomechanical property of tissue. See more Elastography was first used in 1979 and subsequent progress in the field has been extensive, based largely on ultrasound, and magnetic resonance imaging. Optical techniques have also been proposed for elastography to … See more Although optical coherence tomography (OCT) provide crucial information for the diagnosis, they often are insufficient for early diagnosis, … See more Optical coherence elastography holds great promise for detecting and monitoring the altered mechanical properties that … See more
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 … fish reuben recipeWebApr 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 , … fish review texas a\u0026mWebJul 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... fish reveal updateWebThe 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 ). candles in metal tinWebApr 13, 2024 · Optical coherence elastography (OCE) is an emerging functional imaging technique that quantifies the elasticity of biological tissue by using Doppler optical … fish reveal upgradeWebOptical coherence elastography (OCE) can provide clinically valuable information based on local measurements of tissue stiffness. Improved light sources and scanning methods in … candles in mason jars safeWebAug 25, 2015 · Optical shear wave coherence elastography (OCE) has been used to measure skin viscoelasticity (Liang and Boppart 2010), and excised animal tissue (Mohan and Oldenburg 2012). OCE has the advantages of micrometer scale resolution, and 3D imaging capabilities that penetrate the surface. fish reuben sandwich recipe