optical coherence tomographic images
Minification of fundus optical coherence tomographic images in gas-filled eye
... OCT images in gas-filled eyes should be noted in inves- tigations of OCT images of gas-filled eyes or comparison of dynamics of MH closure between silicon oil tamponade and SF6 ...
5
Intraretinal hyperreflective foci on spectral-domain optical coherence tomographic images of patients with retinitis pigmentosa
... Figure 3 Hypothetical association between HFs observed on SD-OCT images and disease progression in typical RP retinas. Eyes with HFs in the INL but not in the ONL may be in the early stage of degeneration, and ...
6
Binarization of enhanced depth imaging optical coherence tomographic images of an eye with Wyburn-Mason syndrome: a case report
... To the best of our knowledge, this is the first report showing a thicker choroid in an eye with Wyburn- Mason syndrome. The cause of the thickened choroid was not determined conclusively; however, there is a possibility ...
5
Spectral-domain optical coherence tomographic and fundus autofluorescence findings in eyes with primary intraocular lymphoma
... Notes: (A) Color fundus photograph shows many small, yellowish lesions with distinct boundaries resembling drusen in the posterior fundus. (B) Cytological examination of vitrectomy specimen shows atypical lymphocytes ...
7
Optical Coherence Tomographic Observation of Morphological Features of Neointimal Tissue after Drug Eluting Stent Implantation
... A total of 1289 DESs were evaluated by follow-up OCT between September 2007 to July 2012. After the maximal percentage of cross-sectional area (CSA) stenosis was de- termined by OCT, five consecutive images of ...
9
In vivo Micro-Tomographic Visualization of Capillary Angio-Dynamics Around Upper Dermis Under Mechanical Stimulus Using Low Coherence Interferometer “Optical Coherence Doppler Velocigraphy”
... The tomographic map applying the standard deviation filter agrees qualitatively with relatively lower intensity distribution in the morphological OCT images, so OCDV can visualize the capillary networks ...
8
Comparison of Optical Coherence Tomographic Assessment between First and Second Generation Drug Eluting Stents
... vestigator blinded to patient and procedural information. Cross-sectional OCT images were analyzed at 1-mm inter- vals (every 15 frames). Stent and luminal cross-sectional ar- eas (CSAs) were measured at 1-mm ...
6
High resolution optical coherence tomographic imaging of osteoarthritic cartilage during open knee surgery
... The principle behind OCT has been described in detail pre- viously [9,10]. A schematic drawing of the OCT system used in this study is shown in Fig. 1a. In this study, a novel, compact, handheld OCT imaging probe capable ...
6
Changes of fundus autofluorescence and spectral-domain optical coherence tomographic findings after treatment of primary intraocular lymphoma
... retina [11]. In their study, the ERG findings did not fully recover after chemotherapy [11]. In our case, the markedly decreased amplitudes of mfERGs and full-field ERGs also did not improve after treatment. Even though ...
6
Optical coherence tomographic features of macular pathologies in diabetic retinopathy
... . Optical Coherence Tomography (OCT) Is a new medical diagnostic imaging technology which can perform high resolutional cross sectional tomographic imaging in biological ...sectional images of ...
76
Evaluation of retinal nerve fiber layer thickness and optic nerve head changes in early to moderate glaucoma patients and compare them with age matched individuals using spectral domain optical coherence tomography
... further worked upon and processed for better visualization and to acquire further quantitative and qualitative datas . Graphically these images can be displayed as either grayscale or false color images. ...
94
Quantitative Analysis of Noise Suppression Methods of Optical Coherence Tomography (OCT) Images
... The main aim of the speckle noise suppression is to eliminate or to take out such noise and to preserve as much as achievable essential signal features of that image. As speckle noise degrades image quality and ...
6
Retinal oximetry using ultrahigh-resolution optical coherence tomography
... result in altered retinal blood flow and oxygen saturation. A reliable method of measuring retinal oxygen saturation would be beneficial for studying, monitoring, and managing these disorders. Retinal oximetry devices ...
8
Macular findings in Spectral Domain Optical Coherence Tomography and OCT Angiography in a patient with Kearns–Sayre syndrome
... Case Presentation: We present the case of a 55-year-old female with KSS, who developed systemic features and ocular manifestations as ophthalmoplegia and retinal dysfunction, that were corroborated by ...
7
Automatic quantification of superficial foveal avascular zone in optical coherence tomography angiography implemented with deep learning
... in optical coherence tomography angiography (OCTA) images with robustness to brightness and contrast (B/C) ...OCTA images from 45 participants was acquired with Zeiss Cirrus HD-OCT 5000 and ...
9
Compensative Review Approach on Glaucoma Detection Techniques
... atrophy which is a disease that alternates the edges of the disc. For segmenting the cup it uses as threshold one third of the highest grayscale intensity, however, the distance between the disc pixels and the cup pixels ...
5
Convolutional neural network for breast cancer diagnosis using diffuse optical tomography
... tumor images. The collected 3D images are gray scale images with a size of 91 × 91 × ...the images owing to the high breast ...slice images from this ...2D images, obtained from ...
6
Accuracy of swept-source optical coherence tomography based biometry for intraocular lens power calculation: a retrospective cross–sectional study
... of optical biometry has increased due to advan- tages pertaining to non-invasiveness and inter-operator ...of optical low-coherence reflectometry (OLCR) using 820-nm super-light emitting ...these ...
7
Despeckling of Optical Coherence Tomography Images: A Comparative Study
... Fig.1 gives statistics of the denoising filters that were executed. Fig.2 and Fig.3 are original and noisy images respectively. The outputs obtained from the execution of various denoising filters are listed from ...
10
Automatic segmentation of anterior segment optical coherence tomography images
... OCT images should not provide a ...segment images that contain regions of low signal to noise ...be images that have regions that do not have optimum image ...2D images then used a novel ...
180