Techniques: optical coherence tomography (OCT)
Machine learning techniques for detection of glaucoma with optical coherence tomography angiography images
... People above the age of 40 are usually advised to attend regular eye screenings for early detection of eye diseases. However, this is time-consuming for patients and taxing for practitioners who may be required to ...
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Algorithmic techniques for manual-scanning and multi-sensory representation of optical coherence tomography data
... However, the intra-operative use of OCT is hindered by the lack of suitable sample scanning mechanisms and the difficulty in real-time interpretation of OCT data. Screening or diagnostic procedures typically require high ...
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Optical coherence tomography and optical coherence tomography angiography in uveitis : a review
... OCT has dramatically changed the management of several ocular diseases, including uveitis. Currently, most of the common complications of intraocular inflammation such as macular oedema, epiretinal membranes and iCNVs ...
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Advances in Optical Coherence Tomography
... Keywords: optical coherence tomography, non-invasive imaging, high resolution, tissue, medical ...INTRODUCTION Optical coherence tomography (OCT) was invented by combining low ...
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Artifacts in optical coherence tomography
... Motion artifact These artifacts are noted due to ocular saccades, change of head position or due to respiratory movements. 18,19 They can occur due to poor tracking system, even with heart beat or respiration. They can ...
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OPTICAL COHERENCE TOMOGRAPHY (OCT) IS AN
... Since our algorithm determines thickness of six retinal layers, the thickness sum of layers had to be calculated to compare results with previously reported techniques that measure thickness of up to four layers. ...
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Stent Evaluation with Optical Coherence Tomography
... FUTURE DIRECTIONS Three-dimensional OCT technology is now under investi- gation for evaluating coronary artery disease. Three-dimen- sional OCT reconstruction allows researchers to analyze planes which are not visible on ...
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Optical coherence tomography angiography in uveitis
... In line with any other imaging methods, OCTA can be in- fluenced by artifacts which may lead to data misinterpretation. Media opacities such as cataract, small pupil or defocusing of the light beam have the potential of ...
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Endoscopic Optical Coherence Tomography: Design and Application
... the techniques of dispersion compensation for KTN based OCT ...an optical interferometer has been a crit- ical concern that needs to be addressed for many wideband ...of optical coherence ...
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Endoscopic Optical Coherence Tomography for Clinical Gastroenterology
... processing techniques can be used to extract the volumetric information more ...Segmentation techniques can be applied to separate different tissue layers in the squamous mucosa or BE mucosa, and structural ...
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Multispectral three-dimensional optical coherence tomography
... imaging techniques that can provide micro-structural and functional information o f skin simultaneously with enhanced penetration and high spatial ...the optical scattering and PAT provides metabolic or ...
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Combining Optical Coherence Tomography with Fluorescence Imaging
... Source Optical Coherence Tomography (SS-OCT) Detailed aspects of traditional time-domain OCT theory and applications, such as resolution, sensitivity, noise, signal-to-noise ratio, etc, could be ...
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Optical coherence tomography angiography for the anterior segment
... reduce artefacts and enhance the depth of field in the cornea [4, 24, 25]. With further upgrading in scanning speed, improved wide-field imaging OCTA and auto- mated montage functions by the internal software will become ...
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OPTICAL COHERENCE TOMOGRAPHY FOR RETINAL IMAGING
... measurement techniques are not sensitive enough to detect glaucoma at an early stage, which is essential for successful glaucoma treatment and ...on optical coherence tomography, a technology ...
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The role of optical coherence tomography in Alzheimer’s disease
... Neuroimaging techniques are essential in the diagnosis of AD and magnetic resonance imaging (MRI) has become the most used tool for cerebral imag- ing in AD patients, providing detailed information about brain ...
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A review of optical coherence tomography angiography (OCTA)
... FA and ICGA have other drawbacks that can limit their widespread use. Since they are invasive, relatively expen- sive, and time-consuming, they are not ideal techniques to use on a regular basis in a busy clinical ...
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Motion Contrast Using Optical Coherence Tomography
... With the demonstration of vascular visualization and all of the information available with the 4D phase contrast data set, there is a lot of potential of contrast improvements. With the available 3D contrast information, ...
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Coronary Segmentation in Intravascular Optical Coherence Tomography
... Chapter 7 Conclusion 7.1 Summary CHD is characterised by thickening of the arterial vessel wall due to atheromatous plaque. The thickening of the plaque not only narrows the arterial lumen but also leads to immediate ...
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Quantitative anterior segment optical coherence tomography
... Scheimpflug imaging, which allows acquisition of cross-sectional images of the cornea and lens with the proper correction and validation it is able to provide quantitative geometrical features and topographic maps of the ...
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Coherence domain optical imaging techniques
... I am grateful to Professors Scott Fraser, Yu-Chong Tai, P. P. Vaidyanathan, and Amnon Yariv for being my thesis committee and also my candidacy committee. They were always available when I need help. I have enjoyed ...
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