[PDF] Top 20 Despeckling of Optical Coherence Tomography Images: A Comparative Study

... NL-means filter, introduced by Buades et al., is based on the natural redundancy of information in images. It is due to the fact that every small window in a natural image has many similar windows in the same ... See full document

... Our study confirms that there is a high level of agreement in the mean biometry values generated from images acquired by the IOLM700 and LS900. However, image acquisition by the IOLM700 takes approximately ... See full document

... sectional images of retinal structures greatly facilitates the study of posterior vitreoretinal anatomy in eyes with high myopia to allow detection of subtle macular changes that are otherwise ... See full document

... swept-source optical coherence tomography (SS-OCT) with the DRI OCT-1 instrument (Topcon, Atlantis, Tokyo, ...face images of the super- ficial and deep vascular ... See full document

... OCT images of the angle structure was easily interfered with the coexistence of the cornea, sclera, SC, and trabecular meshwork which have different reflection and polarization proper- ties ...our study ... See full document

... retina. Optical coherence tomography angiography (OCTA) is a newly developed, non-invasive, retinal imaging technique that permits adequate delineation of the perifoveal vascular ...OCTA ... See full document

... current study, we propose a segmentation and quantification method based on deep learning for auto- matically segmenting and quantifying the sFAZ in the OCTA images with the best mean DSC of ... See full document

... obtained from each of the study participants. Twenty normal subjects (15 women and five men, mean age 37.7 ± 9.4 years) were recruited for participation, including 10 Asian subjects, eight Caucasian subjects, and ... See full document

... [10]. Optical Coherence Tomography (OCT) is the most precise method to measure retinal thickness in vivo ...(5µ) images and a higher scan rate ...The study was undertaken to map the ... See full document

... Sources, images are corrupted by unwanted speckle noise which arises due to constructive and destructive phenomena of ...biomedical images enhances the quality of image which enhances the visual structure ... See full document

... and optical coherence tomography (OCT) have been widely used for diagnosis and follow-up of eyes with ...reflectance images of the retina using light of 3 different wavelengths ... See full document

... are optical coherence tomography (OCT) systems based on swept source (SS) and are cur- rently receiving attention because of their high-tissue pene- tration ...2D images of the whole eye (from ... See full document

... The study was done to evaluate the efficacy of spectral domain OCT in detecting the glaucomatous ONH and RNFL changes in patients with early to moderate glaucoma and compared with their age matched ...controls. ... See full document

... diagnosis. To classify the OCT images into glaucoma/healthy, Linear Discriminant Analysis (LDA) is employed as classifier with forward selection and backward elimination. The correlation among RNFL thickness along ... See full document

... large study as they found a paradoxical improvement in vision occurred with increased thickening in 1–17%, and a paradoxical worsening of vision occurred with decreased thickening in ...DRCR.net study 102 ... See full document

... this study, the scope of multimodal prognosis of DR was ...proof-of-concept study also examined the efficacy of intensity- and texture-based features extracted from the retinal layers through OCT and the ... See full document

... Tumors of the RPE are uncommon. They are classified into diagnostic groups including CSHRPE, congenital hypertrophy of the RPE, combined hamartoma of the ret- ina and RPE, congenital albinotic and amelanotic spots of the ... See full document

... domain-optical coherence tomography (SD-OCT 840 nm), it can overcome ocular opacities, such as cataract or vitritis, thus allowing visualization of the retina and choroid in eyes with disabled fundus ... See full document

... observational study was performed on 77 eyes of 77 patients (34 men, 43 women, mean age ...the images for this study. In order to qualify for the study, the patients were required to have ... See full document

... This local statistics filter was given by Jong-Sen Lee in 1980. It was named on his name and it was the first ever model based despeckling filter. Firstly it was given for the solution of AWGN and speckle noise ... See full document