نتایج جستجو برای: retina

تعداد نتایج: 51764  

Journal: :journal of medical signals and sensors 0
ahmad reza naghsh-nilchi hooshiar zolfagharnasab

in this paper, a novel matched filter based on a new kernel function with cauchy distribution is introduced to improve the accuracy ofthe automatic retinal vessel detection compared with other available matched filter‑based methods, most notably, the methods builton gaussian distribution function. several experiments are conducted to pick the best values of the parameters for the new designedfi...

Journal: :Vision research 1987
P F Hitchcock

This study demonstrates that in the retina of the goldfish a type of ganglion cell, whose dendritic development has been well characterized [Hitchcock P.F. and Easter S. S. Jr (1986) J. Neurosci. 6, 1037-1050], is distributed across the retina in a nonrandom pattern, and the dendritic fields of this cell type overlap to completely cover, or "tile" the retina. Further, it is shown that the dendr...

Journal: :Molecular vision 2004
Yongji Wang Kristin Repyak Nader Sheibani

PURPOSE Platelet/endothelial cell adhesion molecule-1 (PECAM-1) is a cell adhesion-signaling molecule with important roles in angiogenesis and inflammation. The alternative splicing of the PECAM-1 cytoplasmic domain modulates its adhesive properties during vascular development and angiogenesis. This study was designed to identify alternatively spliced PECAM-1 isoforms in human and murine retina...

Journal: :Social Science Research Network 2021

Neural circuits function in the face of changing inputs, either caused by normal variation stimuli or cell death. To maintain their ability to perform essential computations with partial neural make modifications. Here, we study retinal circuit’s responses changes light photoreceptor inputs inducing cone death mature mouse retina. Can retina withstand recover from input loss? We find that excit...

Journal: :Materials futures 2023

Abstract Neuromorphic systems represent a promising avenue for the development of next generation artificial intelligence hardware. Machine vision, one cores in intelligence, requires system-level support with low power consumption, latency, and parallel computing. vision sensors provide an efficient solution machine by simulating structure function biological retina. Optoelectronic synapses, w...

2001
G. DAVID TRISLER MICHAEL D. SCHNEIDER JOSEPH R. MOSKAL MARSHALL NIRENBERG

l Mechanisms that impart positional information for the assembly of the developing nervous system and the establishment of specific synaptic connections have been studied in model systems. The retina is a highly ordered laminar structure due to segregation of different classes of neuronal cell bodies and synapses into separate strata (Karten, this volume). Synaptic connections between retina ga...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید