نتایج جستجو برای: retina image
تعداد نتایج: 424113 فیلتر نتایج به سال:
Introduction: Retained subretinal perfluoro-n-octane droplets occur in nearly 1% of the procedures. When cystoid cavities are registered, differential diagnosis including this condition is needed.
 Clinical case: A 77-year-old male presented three small bubbles under papillomacular bundle after vitrectomy due to a retina redetachment, evidenced by multimodal image.
 Conclusions: Multi...
We present a novel bio-inspired and dynamic coding scheme for static images. Our coder aims at reproducing the main steps of the visual stimulus processing in the mammalian retina taking into account its time behavior. The main novelty of this work is to show how to exploit the time behavior of the retina cells to ensure, in a simple way, scalability and bit allocation. To do so, our main sourc...
This study describes a novel MRI application to image basal blood flow, physiologically induced blood-flow changes, and the effects of isoflurane concentration on blood flow in the retina. Continuous arterial-spin-labeling technique with a separate neck coil for spin labeling was used to image blood flow of the rat retina at 90 x 90 x 1500-microm resolution. The average blood flow of the whole ...
RBFOX3/NeuN is a neuronal splicing regulator involved in neural circuitry balance, as well as neurogenesis and synaptogenesis. Rbfox3 is expressed in neurons; however, in the retina, expression is restricted to cells in the ganglion cell layer and some cells of the inner nuclear layer. Rbfox3 is expressed in a layer-specific manner in the retina, which implies a functional role, however, the ro...
The mammalian retina seems far smarter than scientists have believed so far. Inspired by the visual processing mechanisms in the retina, from the layer of photoreceptors to the layer of retinal ganglion cells (RGCs), we propose a computational model for haze removal from a single input image, which is an important issue in the field of image enhancement. In particular, the bipolar cells serve t...
Optic disk detection on retina image has become one of many initial steps in evaluation Diabetic Macular Edema (DME) severity. As much as early the step is, result is extremely essential. This article discusses optic based color histogram value. The done by using value which taken from window sliding process with size 50x50 pixels. First, candidates disc were detected Extreme Learning Machine t...
Current digital image/video storage, transmission and display technologies use uniformly sampled images. On the other hand, the human retina has a nonuniform sampling density that decreases dramatically as the solid angle from the visual fixation axis increases. Therefore, there is sampling mismatch between the uniformly sampled digital images and the retina. This paper introduces retinally rec...
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