نتایج جستجو برای: visual input enhancement vie
تعداد نتایج: 689739 فیلتر نتایج به سال:
Asthma can profoundly affect the quality of life of individuals with the disease. There are limited data on the quality of life of people with asthma in the Islamic Republic of Iran. This cross-sectional study aimed to evaluate quality of life in adults with asthma in Semnan using the 36-item short form health survey (SF-36). The effect of sociodemographic characteristics on quality of life sco...
BACKGROUND Oxidative stress has been related to hypo-response to erythropoiesis-stimulating agents (ESAs) in hemodialysis (HD) patients. The aim of this study was to verify whether vitamin E (ViE) on a synthetic polysulfone dialyzer can improve ESA responsiveness. METHODS This controlled, multicenter study involved 93 HD patients on stable ESA therapy, who were randomized to either ViE-coated...
Linear complexity iterative and log-linear complexity direct solvers are developed for the volume integral equation (VIE) based general large-scale electrodynamic analysis. The dense VIE system matrix is first represented by a new clusterbased multilevel low-rank representation. In this representation, all the admissible blocks associated with a single cluster are grouped together and represent...
In several sensory pathways, input stimuli project to sparsely active downstream populations that have more neurons than incoming axons. Here, we address the computational benefits of expansion and sparseness for clustered inputs, where different clusters represent behaviorally distinct stimuli and intracluster variability represents sensory or neuronal noise. Through analytical calculations an...
In this paper, we suggest a novel model, based on input pump power and wave guidestructure, to calculate the Er-density profile in Erbium doped fiber amplifiers. This optimization is carried out for both SMF and DSF fibers. These optimized profiles have a Gaussian-like shape. Using the SMF optimized Er-density profile, high gain enhancement is obtained in a relatively short length of fibers. ...
Although noise has a proven beneficial role in brain functions, there have not been any attempts on the dedication of stochastic resonance effect in neural engineering applications, especially in researches of brain-computer interfaces (BCIs). In our study, a steady-state motion visual evoked potential (SSMVEP)-based BCI with periodic visual stimulation plus moderate spatiotemporal noise can ac...
This Contrast enhancement is frequently referred to as one of the most important issues in image processing. Histogram equalization (HE) is one of the common methods used for improving contrast in digital images. Histogram equalization (HE) has proved to be a simple and effective image contrast enhancement technique. However, the conventional histogram equalization methods usually result in exc...
This paper concerns a research on the vocalizations of three young deaf children in interaction with three teachers in a bilingual playgroup, using Sign Language of the Netherlands as well as spoken Dutch. The type of vo wels and consonants, the syllable structure ,' and the production of spoken words demonstrate that the children used mostly sounds with neutral articulation and a good vie w of...
In this paper, we study and compare various histogram based Magnetic Resonance Imaging(MRI) enhancement techniques.Image enhancement is a processing on an image in order to make it more appropriate for certain applications. It is used to improve the visual effects and the clarity of image or to make the original image more conducive for computer to process. Contrast enhancement changing the pix...
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