Optical tomography optical imaging. Medical search. Frequent questions

The goal was to discriminate between diabetic retinopathy (DR) and healthy controls (HC) by evaluating Optical coherence tomography angiography (OCTA) images from 3 × 3 mm scans with the assistance of different machine learning models. (abtechnologies.in)
To report a patient presenting a retinal pigment epithelial tear in which optical coherence tomography angiography enabled the visualization of subfoveal choroidal neovascularization (CNV) not evidenced by the fluorescein angiography . (bvsalud.org)
However, there was no clear evidence of CNV on fluorescein angiography or OCT. Optical coherence tomography angiography confirmed the presence of an active CNV by the visualization of the neovascular network in the region corresponding to the scrolled up retinal pigment epithelium . (bvsalud.org)
This case report demonstrates that optical coherence tomography angiography can be useful to confirm the presence of CNV in cases where fluorescein angiography and OCT cannot establish the diagnosis . (bvsalud.org)
The reported case suggests the applicability of optical coherence tomography angiography in patients in whom retinal pigment epithelial tear is detected and associated CNV is suspected. (bvsalud.org)

The patient also underwent imaging with modified CIRRUS-5000 HD-OCT angiography prototype (Carl Zeiss Meditec Inc., Dublin, CA, USA) to acquire functional retinal vessel networks using the OMAG scanning protocol. (amegroups.org)
Purpose To compare swept source OCTA device, with and without the extended field imaging (EFI) technique, to standard fluorescein angiography (FA) in the clinical practice. (unimi.it)
Patient follow-up intravascular ultrasound (IVUS), optical coherence tomography (OCT) and angiography data were acquired to construct 3D fluid-structure interaction (FSI) coronary models and four machine-learning methods were compared to identify optimal method to predict future plaque vulnerability. (biomedcentral.com)
Diagnosis is clinical and confirmed by angiography, ultrasonography, or other imaging tests. (msdmanuals.com)

Optical coherence tomography (OCT) captures cross-sectional data and is used for the screening, monitoring, and treatment planning of retinal diseases. (arxiv.org)
Optical coherence tomography (OCT) is a non-contact, diagnostic method that uses infrared light, which allows the analysis of the retinal structure by means of high-resolution tomographic cross sections. (bmj.com)
However, since the introduction of optical coherence tomography (OCT) in 1991, it has become an invaluable tool in the diagnosis and management of different retinal disorders including ME. (bmj.com)
With CODA, extension of this hyper-reflective band and retinal tissue into the disc is possible and best evaluable using EDI-OCT or analogous image modalities. (bmj.com)
Analysis of SD OCT images revealed preretinal structures (ranging from 409 to 2700 microm in width and 212 to 440 microm in height), retinoschisis, and retinal detachment in the posterior pole of patients with advanced ROP. (duke.edu)
The computational approach to image acquisition and analysis plays an important role in medical imaging and optical coherence tomography (OCT). This thesis is dedicated to the development and evaluation of algorithmic solutions for better image acquisition and analysis with a focus on OCT retinal imaging. (kent.ac.uk)
Three image analysis methods were proposed to achieve retinal OCT image analysis with high accuracy and robustness. (kent.ac.uk)
Our framework consists of several image processing algorithms specifically aimed at segmenting a total of 12 thin retinal cell layers, outperforming other segmentation methods. (kent.ac.uk)
Furthermore, we proposed two deep-learning-based models to segment retinal oedema lesions in OCT images, with particular attention on processing small-scale datasets. (kent.ac.uk)
The results of this work indicate that our model can be applied to retinal OCT images and other small-scale medical image data, such as skin cancer, demonstrated in this thesis. (kent.ac.uk)
Most clinicians do not perform optical coherence tomography (OCT) evaluation in case of patients who exhibit normal retinal morphology upon slit-lamp biomicroscopy. (biomedcentral.com)
To report the frequency and severity of optical coherence tomography (OCT) retinal thickness measurement errors and to describe parameters that predict these errors. (nih.gov)
Optical coherence tomography based microangiography (OMAG) is a new, non-invasive imaging modality capable of providing three dimentional (3D) retinal and choroidal microvascular maps without a need for exogenous dye. (amegroups.org)
Although the mechanism of this HCQ toxicity is unclear, as animal experiments have shown the drug can affect all retinal layers ( 4 ), the damage observed in clinical imaging is primarily to the outer retina ( 5 ). (amegroups.org)
With the novel and more sensitive imaging technology associated with SD-OCT, we utilized OCT-based microangiography (OMAG) as a non-invasive imaging modality to visualize the retinal and choroidal microvasculature ( 6 - 8 ). (amegroups.org)
The average OCT B-scans were examined in the regular OCT data to show cross-sections as well as en-face projections of the retinal tissue. (amegroups.org)
Optical coherence tomography showed a retinal pigment epithelial tear with subretinal fluid . (bvsalud.org)
Of the currently available SD devices, the RTVue (Optovue Inc, Fremont, California) is the only SD optical coherence tomography (OCT) system that has been approved by the Food and Drug Administration for both corneal and retinal imaging. (entokey.com)

Methods In this observational study, 10 patients (18 eyes) with sporadic or autosomal dominant CODA were evaluated with enhanced depth imaging optical coherence tomography (EDI-OCT) and colour fundus images for the presence of 4th hyper-reflective band extension into the optic disc. (bmj.com)
Enhanced depth imaging optical coherence tomography of optic nerve hea" by Kunal Y. Merchant, Daniel Su et al. (gwu.edu)
Enhanced depth imaging optical coherence tomography of optic nerve head drusen. (gwu.edu)

In this study, we simulate reduced axial scan (A-scan) resolution by Gaussian windowing in the spectral domain and investigate the use of a learning-based approach for image feature reconstruction. (arxiv.org)
Although the SS-OCT performs relatively worse in phase stability compared with its spectral-domain counterpart (SD-OCT), it is still valuable since it images at a much faster rate than SD-OCT. Therefore, a better temporal resolution could be achieved, which is particularly attractive in areas such as time lapse imaging. (columbia.edu)
Scholars@Duke publication: Insights into advanced retinopathy of prematurity using handheld spectral domain optical coherence tomography imaging. (duke.edu)
PURPOSE: To elucidate the subclinical anatomy of retinopathy of prematurity (ROP) using spectral domain optical coherence tomography (SD OCT). DESIGN: Prospective, observational case series. (duke.edu)
Spectral domain optical coherence tomography imaging was conducted without sedation at the bedside in the neonatal intensive care unit on 1 patient. (duke.edu)
In 2011, the American Association of Ophthalmology (AAO) recommended new screening guidelines, which included multifocal electroretinography (mfERG), spectral domain optical coherence tomography (SD-OCT), fundus autofluorescence (FAF) and Swedish Interactive Threshold Algorithm (SITA) 10-2 automated field. (amegroups.org)
To investigate the features of corneal epithelial basement membrane dystrophy using spectral-domain optical coherence tomography (SD OCT) and to examine the reliability of SD OCT in distinguishing epithelial basement membrane dystrophy from the normal cornea. (entokey.com)
Recently, the development of spectral-domain (SD) technology has dramatically improved imaging speeds. (entokey.com)
To examine if racial differences in Bruch's membrane opening-minimum rim width (BMO-MRW) in spectral domain optical coherence tomography (SDOCT) exist, specifically between people of African descent (AD) and European descent (ED) in normal ocular health. (cdc.gov)
However, these preliminary BMO-MRW studies that generated normative databases have generally been performed in populations of European descent (ED). As the BMO-MRW parameter becomes more widely implemented in spectral-domain optical coherence tomography (SDOCT) through automated algorithms, it becomes necessary to understand how this parameter is affected by race. (cdc.gov)

abstract = "We demonstrate, what we believe to be, the first mathematical model of image formation in optical coherence tomography, based on Maxwell's equations, applicable to general three-dimensional samples. (edu.au)

This thesis presents research on a medical imaging technique called ultrasound optical tomography (UOT), which overcomes the limit on resolution resulting from scattering by combining photons and ultrasound. (lu.se)
The principle of the Ultrasound optical tomography technique (see text). (lu.se)
The imaging modalities include ballistic imaging, quasi-ballistic imaging (optical coherence tomography), diffusion imaging, and ultrasound-aided hybrid imaging. (lu.se)

1 OCT is a non-contact, micron-level, high-resolution diagnostic method that uses infrared light in the 800-840 nm wavelength range to provide real-time non-invasive imaging of the retina. (bmj.com)
The OMAG algorithm ( 8 , 11 ) was applied to the volumetric dataset to obtain microstructural and microvascular images within the retina and choroid. (amegroups.org)

Endoluminal imaging in gastrointestinal endoscopy has seen the advent of rapidly evolving new modalities over the last decade. (hindawi.com)

Several studies have shown that imaging parameters such as RNFL, neural rim, and macular thickness measurements can detect progressive glaucomatous damage. (aao.org)
One eye (primary) from each of 200 consecutive patients undergoing Stratus OCT imaging (Carl Zeiss Meditec, Dublin, CA) with radial lines or fast macular thickness-based acquisition protocols was selected for review by 2 graders. (nih.gov)
In this paper, we propose an exhaustive experimental study on macular OCT image alignment using intensity based image registrations techniques. (nottingham.edu.cn)
Three scanning protocols were performed, which included a 512×128 macular raster scan for conventional 3D OCT image, a single high density B-scan with 1,024 A-scans to provide high definition OCT cross sectional image, and a montaging OMAG scan to acquire 6.5 mm × 6.5 mm 2 field of view microvascular image. (amegroups.org)

His research focuses on biomedical photonics, and he has specific expertise in fluorescence imaging and spectroscopy, optical coherence tomography (OCT), and multiphoton endomicroscopy for cancer detection, surgical guidance, and preterm-birth risk assessment etc. (hopkinsmedicine.org)

Video II: Optical Projection Tomography of an embryonic stomach, intestine and pancreas of a mouse. (wikipedia.org)
Embryonic heart imaged by optical coherence tomography. (stevens.edu)

Optical projection tomography is a form of tomography involving optical microscopy. (wikipedia.org)
https://web.archive.org/web/20101105182544/http://genex.hgu.mrc.ac.uk/OPT_Microscopy/optwebsite/frontpage/index.htm Video I: Optical Projection Tomography of a mouse left lateral liver lobe. (wikipedia.org)
A non-linear optical imaging modality (NLOM), coherent anti-stokes Raman scattering (CARS) microscopy, can be used to image lipid-rich structures commonly found in atherosclerotic plaques. (springer.com)
After vis-OCT imaging, retinas were flat-mounted, immunostained with anti-betaIII tubulin (Tuj1) antibody for RGC axons, and imaged with confocal microscopy. (northwestern.edu)
We quantitatively compared the RGC axon bundle networks imaged by in vivo vis-OCT and ex vivo confocal microscopy using semi-log Sholl analysis. (northwestern.edu)
The semilog Sholl regression coefficients extracted from vis-OCT fibergrams (3.7 ± 0.8 mm -1 )and confocal microscopy (3.6 ± 0.3 mm -1 ) images also showed good agreement with each other (n = 6). (northwestern.edu)
Significance: Line-field confocal optical coherence tomography (LC-OCT) is a recently introduced high-resolution imaging modality based on a combination of low-coherence optical interferometry and reflectance confocal optical microscopy with line illumination and line detection. (archives-ouvertes.fr)
Professor Izatt's research interests are in the area of biophotonics and include coherence-based biomedical imaging and microscopy, novel technologies for ophthalmic imaging, and nanoscale studies of cellular morphology and dynamics. (duke.edu)
Thereafter, the 3D microstructural FE model of the TM, with adjacent JCT and SC inner wall, from the same donor eye was constructed using optical coherence microscopy and subjected to a flow load-boundary from the SC lumen. (lu.se)
Cellomics Platform at MultiParkThe Cellomics ArrayScan VTI HCS Reader enables automated acquisition, visualization and quantification of a large number of images, with an automated fluorescence and brightfield microscopy allowing extraction of quantitative data from intensity and area measurement in high-throughput format. (lu.se)
Facilities for 3D optical imaging and electron microscopy at Materials Engineering with instruments including E-SEM FEI Quanta 200 MKII with analytical system Pegasus (EBSD+EDS) from EDAX and optical microscope Keyence VHX-6000. (lu.se)

[ 6 ] have described clinical fundus and multimodal imaging findings which are unique to AZOOR. (medscape.com)
On the day of presentation she underwent a complete eye examination including slit lamp examination, fundus examination, Humphrey Visual Field 10-2, color funding imaging, digital FAF, and SD-OCT (Heidelberg Engineering GmbH, Heidelberg, Germany). (amegroups.org)

Plate Runner Platform at MultiParkHigh content screening (HCS) / Analysis (HCA) enables automated acquisition, visualization and quantification of a large number of images such as rapid snapshot acquisition of fluorescence images of cells and small organisms. (lu.se)

An OCT probe can be passed through the accessory channel of an endoscope and can be kept in contact with the mucosa of interest which allows for a resolution of 7-10 micrometers and an imaging depth of 2-3 mm depending on the wavelength of light used and the type of tissue being imaged [ 6 , 7 ]. (hindawi.com)
High grade dysplasia and esophageal adenocarcinoma images exhibited more heterogeneous structures corresponding to irregular, heterogeneous tissue morphology from distorted and cribriform or villiform glandular architecture. (hindawi.com)
Data processing and image analysis protocols were developed to more effectively evaluate static tissue contrast and dynamic functional imaging of the breast. (columbia.edu)
Given that the tissue is typically opaque in the ultraviolet, visible, and near-infrared spectrum, the tissue must first be made clear with an optical clearing agent, so that the light can pass through. (wikipedia.org)
Optical coherence tomography (OCT) is a high-resolution, near-IR imaging modality capable of visualizing microscopic features within tissue. (figshare.com)
His research group pioneered the development of the first ultra-compact, fully integrated, single-fiber scanning endomicroscope for performing label-free functional imaging of tissue histology in vivo, in situ, and in real time. (hopkinsmedicine.org)
Toghi Eshghi S, Yang S, Wang XC, Shah P, Li XD , Zhang H. "Imaging of N-linked Glycans from Formalin-fixed Paraffin-embedded Tissue Sections Using MALDI Mass Spectrometry," ACS Chemical Biology 9(9):2149-56(2014). (hopkinsmedicine.org)
The molecular sensitivity provided by optical photons has potential advantages in medical diagnostics, for example, in distinguishing healthy from cancerous tissue. (lu.se)
A major challenge for spectral-hole-burning filter-based UOT to become useful for in vivo applications, is to identify and develop crystals capable of supporting the required high-contrast filters at wavelengths within the optical window for tissue (~650-950 nm). (lu.se)
Surprisingly slow light effects can improve the possibility to carry out optical imaging inside tissue. (lu.se)
Confocal Microscope Platform at MultiParkLeica SP8 confocal microscope for imaging of fixed tissue and cells. (lu.se)
The heart of the book covers the essential topics of tissue optics, as well as optical imaging system design concepts. (lu.se)
This entry-level textbook, covering the area of tissue optics, is based on the lecture notes for a graduate course (Bio-optical Imaging) that has been taught six times by the authors at Texas A&M University. (lu.se)

Subsequently, Fourier domain OCT was developed which allows for rapid image acquisition and generation of real time in vivo 2-dimensional and 3-dimensional mucosal renditions [ 5 ]. (hindawi.com)
The feasibility of OCT for carrying out in vivo real time imaging of Barrett's esophagus, high grade dysplasia and esophageal adenocarcinoma has been well demonstrated (Figures 1 , 2 , and 3 ). (hindawi.com)
I therefore utilize the system along with other two systems to conduct ex vivo imaging on human tracheobronchial epithelium. (columbia.edu)
During the study of ex vivo ciliary imaging, one of the challenges I was confronted with was the enormous amount of data generated by the SS-OCT, especially when high temporal frequency resolution is required. (columbia.edu)
MAIN OUTCOME MEASURES: In vivo determination of vitreoretinal morphology, anatomy, and pathology by clinical examination, imaging, and SD OCT. RESULTS: Linear and volumetric imaging was achieved with the handheld system in infant eyes despite tunica vasculosa lentis and vitreous bands. (duke.edu)
These images reflect the ability of OCT to provide images of the inner hair cells, outer hair cells, and auditory nerve fibers (ex vivo). (advancedotology.org)
In this morphologic study, we show the capability of OCT to image nodal microarchitecture through an assessment of fresh, unstained ex vivo lymph node samples. (figshare.com)
Capable of producing three-dimensional (3D) images of the skin with cellular resolution, in vivo, LC-OCT has been mainly applied in dermatology and dermo-cosmetology. (archives-ouvertes.fr)
3D imaging of human skin at cellular resolution, in vivo, is reported. (archives-ouvertes.fr)
The applications of the systems we build include noninvasive medical diagnostics, in-vivo tomographic microscopes, and high-throughput three-dimensional small animal imaging systems for genomics studies. (duke.edu)

This method can achieve better accuracy, hardware-efficient image acquisition and reconstruction than the conventional compressive sensing algorithm. (kent.ac.uk)
The optical tomography system consists of a lighting system, a sensing system that contains a measurement section and CMOS area image sensors, a Data Acquisition System (DAQ) that made up from a microcontroller module, and an image reconstruction system based on MATLAB software. (indjst.org)

In the rapidly evolving field of endoscopic gastrointestinal imaging, Optical Coherence Tomography (OCT) has found many diverse applications. (hindawi.com)
Optical coherence tomography: advanced technology for the endoscopic imaging of Barrett's esophagus," Endoscopy 32(12):921-930 (2000). (hopkinsmedicine.org)

Traditionally, image-processing-based techniques have been utilized to reconstruct subsampled OCT data and more recently, deep-learning-based methods have been explored. (arxiv.org)
Methods: We applied visible-light optical coherence tomography (vis-OCT) to image the RGC axon bundles, referred to as vis-OCT fibergraphy, of healthy wild-type C57BL/6 mice. (northwestern.edu)
The imaging methods were compared for visible field of view, extension of non-perfused areas, presence and number of neovessels, vessel density (VD) and fractal dimension (FD). (unimi.it)
Coronary plaque vulnerability prediction is difficult because plaque vulnerability is non-trivial to quantify, clinically available medical image modality is not enough to quantify thin cap thickness, prediction methods with high accuracies still need to be developed, and gold-standard data to validate vulnerability prediction are often not available. (biomedcentral.com)
This feasibility study demonstrated that machine learning methods could be used to accurately predict plaque vulnerability change based on morphological and biomechanical factors from multi-modality image-based FSI models. (biomedcentral.com)
The choice of optimal image representation format is examined for data obtained by methods of optical coherent tomography in microstructure researches for random inhomogeneous mediums. (ifmo.ru)
The findings indicate that spectral hole burning filters may have better contrast-to-noise scaling, and thus potentially greater imaging depths, than other UOT methods such as digital off-axis holography, photorefractive holography, and speckle contrast imaging. (lu.se)

This study aimed to investigate the feasibility of using optical coherence tomography (OCT) to provide information about cochlear microanatomy at a cellular level, specifically of cochlear hair cells in mammals. (advancedotology.org)

In this Ph.D. thesis, I explore the potential of diffuse optical tomography (DOT) for breast cancer imaging and NAC monitoring. (columbia.edu)

At follow-up OCT, the margins of the evacuated cavity in RFC plaques showed a smooth surface and a morphology similar to that of baseline images, while IFC plaques showed a smoothened intimal border and a double layering indicating organising thrombus incorporated in the superficial layers of the plaque. (cardiolefrog.fr)
In 10 patients with ACS, we used serial optical coherence tomography (OCT) to explore the repair and healing morphology of non-critically narrowed culprit plaques, both with RFC and IFC, which were treated with thrombus aspiration or systemic thrombolysis alone without angioplasty or stent implantation. (cardiolefrog.fr)

OCT is a promising technology, and these findings could be used to encourage research in the area of cochlear microstructure imaging in the future. (advancedotology.org)

Perhaps the greatest value of optical coherence tomography imaging is in the longitudinal monitoring of structural damage. (aao.org)
The IVIS Spectrum CT enables longitudinal workflows to characterize disease progression and therapeutic effect in animals throughout the complete experimental time frame with both quantitative CT and optical reconstructions. (lu.se)

Postnatal day 3 Sprague-Dawley rats were used to test the swept-source OCT system, and the images recorded were compared with fluorescence microscope images. (advancedotology.org)

J.L. Wang, S.M. Zhu, Y.Y. Lin, S. Svanberg, and G.Y. Zhao, Mosquito counting system based on optical sensing, Applied Physics B 126 doi.org/10.1007/s00340-019-7361-2 (2020). (lu.se)

Munro, PRT 2016, ' Three-dimensional full wave model of image formation in optical coherence tomography ', Optics Express , vol. 24, no. 23, pp. 27016-27034. (edu.au)

We anticipate that this model will be important for various applications in OCT, such as image interpretation and the development of quantitative techniques. (edu.au)

Classification results across frames displayed in en face view matched closely to annotated counterparts. (supercomputing.org)
The LR-EN and LR classification algorithms had the high sensitivity, specificity, and diagnostic accuracy in identifying DR, which may be promising in facilitating the early diagnosis of DR. (abtechnologies.in)
DeepTumor: Framework for Brain MR Image Classification, Segmentation and Tumor Detection. (cdc.gov)

This novel imaging modality can reveal the location and extent of posterior ROP pathology not evident on standard examination. (duke.edu)
His experience includes 24 years of clinical practice, 19 years of translational research in nanomedicine, and 13 years of bench-to-bedside studies, including imaging, vascular pathology, and medical devices (bioresorbable scaffolds and stents). (biomedcentral.com)
Atlas of Corneal Imaging is designed to help practitioners recognize subtle findings and evaluate signs of weakening or pathology, no matter how they present or what device is being used. (slackbooks.com)

Lunawave is an Optical Frequency Domain Imaging (OFDI) system to be used with a dedicated FastView coronary catheter for imaging and visualizing the coronary artery lumen and the vessel surface layer. (terumo-europe.com)
In this study, a quadrant of the anterior segment from a normal human donor eye was dynamically pressurized in the SC lumen, and imaged using a customized optical coherence tomography (OCT). The TM/JCT/SC complex finite element (FE) with embedded collagen fibrils was reconstructed based on the segmented boundary nodes in the OCT images. (lu.se)

Conceptually, OCT (or Volumetric Laser Endomicroscopy/VLE) is analogous to B-mode ultrasonography, with the exception that near infrared light in the 700 to 1500 nm range of wavelength is used instead of sound waves to generate an image of the mucosal structure and its abnormalities using an interferometer device setup. (hindawi.com)

Optical coherence tomography (OCT) is an emerging noninvasive imaging technique, which is based on low-coherence interferometry. (escholarship.org)

The primary end point was a healing score at 6 months measured by intracoronary optical frequency domain imaging (OFDI), a second-generation optical coherence tomography (OCT)-derived imaging method. (medscape.com)

The underlying problem is similar to the well-known phase problem in two-dimensional lensless imaging like Coherent Diffraction Imaging (CDI). (casus.science)

This could affect future clinical decision-making if studies validate a management strategy based on findings from this imaging technique. (duke.edu)

Based on the meta-learning concept, a second model was designed to be a solution for general medical image segmentation. (kent.ac.uk)
Our method uses image preprocessing to first improve the quality of the CARS-imaged plaque, followed by the segmentation of the plaque using Otsu thresholding, marker-controlled watershed, K-means segmentation and a novel independent foam cell thresholding segmentation. (springer.com)
Automatic segmentation of these images will enable them to be used to construct patient specific biomechanical models of the human eye. (biomedcentral.com)
The automated segmentation of the cornea in OCT images is a prerequisite step to derive the geometry of the cornea for biomechanical modelling. (biomedcentral.com)

Clinical studies, particularly those pertaining to subretinal diseases, should consider these errors when incorporating OCT imaging in the study design. (nih.gov)
Optical coherence tomography (OCT) is a powerful imaging tool used across multiple clinical disciplines. (ama-assn.org)
Multiple iterations of the same clinical condition are shown with numerous complementary images for the same eye to provide a comprehensive presentation of each case. (slackbooks.com)

The basic physics and engineering of each imaging technique are emphasized. (lu.se)

My research centers on the application of optical technologies for non-invasive, high-resolution imaging and sensing in living biological tissues. (duke.edu)
Improved understanding of the performance of an optimized UOT set-up based on spectral hole burning was obtained by fitting experimental data with theoretical models, indicating that imaging depths of several centimetres should be possible in biological tissues. (lu.se)
After the fundamentals of photon transport in biological tissues are established, various optical imaging techniques for biological tissues are covered. (lu.se)

OCT is of particular importance in imaging patients with Barrett's esophagus (BE). (hindawi.com)
In their study using ultra-high resolution OCT, Chen and colleagues [ 16 ] demonstrated characteristic layered epithelium in a normal esophagus with normal architecture, while images of Barrett's esophagus corresponded to crypt-like glandular structures. (hindawi.com)

The SIM-E is a fluorescence super-resolution microscope, the Ti2 is a fluorescence microscope for live imaging of pathogens, BSL2-compliant and the TE-300 is a fluorescence wide-field microscope. (lu.se)

Therefore, an optical tomography based on Complementary Metal Oxide Semiconductor (CMOS) area image sensor is developed to monitor these particle parameters by visualizing the particle non-invasively inside a flow pipe. (indjst.org)

Computer Aided Diagnosis of Melanoma Using Deep Neural Networks and Game Theory: Application on Dermoscopic Images of Skin Lesions. (cdc.gov)

The use of imaging may assist in detection of patients who are fast progressors in need of more aggressive intervention. (aao.org)
Aim: The objective of this work was to develop a more compact and lighter LC-OCT device that is capable of acquiring images faster without significant degradation of the resolution and with optimized detection sensitivity. (archives-ouvertes.fr)
While these differences may have pathophysiologic significance, they also affect implementation of imaging-based biomarkers for the detection of POAG. (cdc.gov)

Currently, IVOCT is the only imaging technique with the resolution necessary to identify vulnerable thin cap fibro-atheromas (TCFAs). (supercomputing.org)
Enhanced-depth imaging (EDI) OCT is a non-invasive technique, which can help easily visualize the choroidal structures. (biomedcentral.com)
The OPT technique is sometimes referred to as Optical Computed Tomography (optical-CT) and Optical Emission Computed Tomography (optical-ECT) in the literature, to address the fact that the technique bears similarity to X-ray computed tomography (CT) and single-photon emission computed tomography (SPECT). (wikipedia.org)
Optical coherence tomography (OCT) is an emerging biomedical imaging technique. (nottingham.edu.cn)
A technique that can be used to gain such information on the cornea is optical coherence tomography (OCT) imaging. (biomedcentral.com)

The other 2 patients had an examination under anesthesia with SD OCT imaging in the operating room. (duke.edu)
Two hundred consecutive patients undergoing OCT imaging. (nih.gov)
During the same ESC session, Dr Patrick Serruys (Imperial College London, UK) presented data from the ABSORB TROFI II study, an imaging study in 191 patients with STEMI [ 2 ] . (medscape.com)

The experimental results show that the proposed method can effectively remove the speckle noise and improve the OCT image quality. (escholarship.org)
The expertise in this cluster includes experimental characterization of tissues, computational modeling of the constitutive behavior of biological materials and systems, and medical image analyses. (stevens.edu)
Formats analysis is done meeting the requirements of knowledge domain and experimental results of efficiency test for images representation in different formats are considered. (ifmo.ru)

The journal publishes work based on a wide range of technical approaches, including molecular genetics, anatomy, physiology, psychophysics and imaging, and utilizing comparative, developmental, theoretical or computational approaches to understand the biology of vision and visuo-motor control. (cambridge.org)

In combination with supervised machine learning, CARS imaged morphological features can be used to characterize the progression of atherosclerotic plaques. (springer.com)

We are a multidisciplinary team developing innovative sensing and imaging techniques to enable new capabilities in biomedicine. (stevens.edu)
A comprehensive reference for physicians, surgeons, and trainees, Atlas of Corneal Imaging covers all aspects of corneal imaging from basic map interpretation to advanced diagnostic uses and features over 1200 illustrative images and figures representing a wide variety of devices and techniques. (slackbooks.com)
Drs. J. Bradley Randleman, Marcony Santhiago, and William J. Dupps Jr guide readers through the process of analyzing corneal images using a multitude of different techniques, technologies, and individual devices. (slackbooks.com)
In this work, the tagged photons were detected using narrowband optical passband filters created in rare-earth-ion-doped crystals using spectral hole burning techniques. (lu.se)
Our research involves the utilization of laser diagnostics and optical imaging techniques to examine the chemical and geometric properties of a gliding-arc discharge. (lu.se)

Some of the more recent commercially available or custom-made OCT probes are Nvision VLE Imaging System (Nine Point Medical, Cambridge, MA) and probes from Lightlab Imaging (Westford, MA). (hindawi.com)
Imaging was performed by using a handheld SD OCT device and Retcam (Clarity Medical Systems, Pleasanton, CA) or video-indirect recording. (duke.edu)
It is in many ways the optical equivalent of X-ray computed tomography or the medical CT scan. (wikipedia.org)

One group studying acute angle-closure glaucoma (AACG) made measurements using OCT images and then used these to create a finite element model of the anterior chamber [ 10 ]. (biomedcentral.com)

In this poster, we propose a method to automatically classify A-lines in IVOCT images using a convolutional neural network. (supercomputing.org)
We further proposed a convolutional neural network model, LSHR-Net, as the first deep-learning imaging solution for the single-pixel camera. (kent.ac.uk)

We highlight technical aspects and principles of imaging, assess published data, and suggest future directions for OCT-guided evaluation and therapy. (hindawi.com)
Our evaluation outcome provides a detailed insight into implementing compressive data acquisition of those imaging systems. (kent.ac.uk)

The neural network was trained using a dataset of nearly 4,500 image frames across 48 IVOCT pullbacks. (supercomputing.org)
The OCTA image dataset included 114 and 132 images from DR and HC subjects, respectively. (abtechnologies.in)

Anatomy5

Diseases2

Chemicals and Drugs2

Analytical, Diagnostic and Therapeutic Techniques and Equipment24

Phenomena and Processes7

Disciplines and Occupations1

Technology, Industry, Agriculture1

Information Science7

Health Care2

Coherence tomography angiography5

Angiography4

Retinal18

Depth imaging optical co3

Spectral domain10

Abstract1

Ultrasound3

Retina2

Modalities1

Macular4

Spectroscopy1

Embryonic2

Microscopy11

Fundus2

Visualization1

Tissue13

Vivo10

Reconstruction2

Endoscopic2

Methods7

Feasibility1

Diffuse1

Morphology2

Microstructure1

Longitudinal2

Swept source1

20201

20161

Quantitative1

Classification3

Pathology3

Lumen2

Endomicroscopy1

Noninvasive1

OFDI1

Coherent1

Findings1

Segmentation4

Clinical3

Physics1

Biological tissues3

Barrett's2

Fluorescence microscope1

Parameters1

Diagnosis1

Detection3

Technique5

Patients3

Experimental3

Computational1

Progression1

Techniques5

Medical3

Finite element1

Convolutional neural network2

Evaluation2

Dataset2