نتایج جستجو برای: visual input enhancement vie

تعداد نتایج: 689739  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
Juergen Haag Adrian Wertz Alexander Borst

We study the integration of multisensory and central input at the level of an identified fly motoneuron, the ventral cervical nerve motoneuron (VCNM) cell, which controls head movements of the animal. We show that this neuron receives input from a central neuron signaling flight activity, from two identified wide-field motion-sensitive neurons, from the wind-sensitive Johnston organ on the ante...

Journal: :Journal of sport & exercise psychology 2010
Ross Roberts Nichola Callow Lew Hardy Tim Woodman Laura Thomas

Two studies examined the interactive effects of different visual imagery perspectives and narcissism on motor performance. In both studies participants completed the Narcissistic Personality Inventory (NPI-40: Raskin & Hall, 1979) and were assigned to either an internal visual imagery or external visual imagery group. Participants then performed a motor task (dart throwing in Study 1 and golf p...

1988
J D Foley A van Dam S K Feiner J J Vos M V Srinivasan S B Laughlin

We have developed a technique for color image enhancement based on a model of the Human Visual System HVS A color image represented by RGB is rst transformed into a color space based on the HVS cone response characteristics Subsequently chromatic correlation reduction and energy compression is realized by using a multispectral Karhunen Lo eve transform KLT of the cone responses This yields a co...

Journal: :iranian journal of medical physics 0
fereydoon nowshiravan rahatabad department of biomedical engineering, science and research branch, islamic azad university, tehran, iran

introduction one of the most important pre-processing steps in optical coherence tomography (oct) is reducing speckle noise, resulting from multiple scattering of tissues, which degrades the quality of oct images. materials and methods the present study focused on speckle noise reduction and edge detection techniques. statistical filters with different masks and noise variances were applied on ...

Journal: :Signal Processing 2021

Although a large number of methods have been proposed for low-light image enhancement, there still remain challenges these to simultaneously achieve excellent sharpness/resolution, high calculation efficiency as well visual pleasure requirements. In this communication, we propose new enhancement method based on the degradation model overcome dilemma. Specifically, regard special inverse problem...

2012
Sukhjinder Singh R. K. Bansal Savina Bansal

Contrast enhancement plays a key role in analyzing medical images taken through different diagnosing methods (like CT scan, X-ray and MRI) especially in biomedical applications and secures digital image transmission. The principle objective of image enhancement technique is to improve the characteristics or quality of an input image. To improve the image contrast, numerous enhancement technique...

M. Moradi, Z. Rajabi

The effect of single and double-layer anti-reflective coatings on efficiency enhancement of silicon solar cells was investigated. The reflectance of different anti-reflection structures were calculated using the transfer matrix method and then to predict the performance of solar cells coated by these structures, the weighted average reflectance curves were used as an input of a PC1D simulation....

Journal: :thrita 0
masoumeh kourosh arami department of basic sciences, faculty of allied medicine, iran university of medical sciences, tehran, ir iran; department of basic sciences, faculty of allied medicine, iran university of medical sciences, tehran, ir iran. tel: +98-2186704788 behnam jameie department of basic sciences, faculty of allied medicine, iran university of medical sciences, tehran, ir iran

context the current study aimed to review research articles concerning cortical representational plasticity following the manipulations of inputs. evidence acquisition this review article compromised previous studies in pubmed, google scholar and scientific information databases according to the keywords since 1988. results ca1 neurons depolarization paired with ca3 presynaptic input result in ...

2017
Cliodhna O’Connor Saskia K. Nagel

One key theme in sociological analysis of neuro-enhancement has been the question of whether the drive for enhancement promotes the cultural value of individualism. It has been argued that neuro-enhancement discourses implicitly propagate new responsibilities that oblige individuals to continually “work on” their brain to ensure its health and productivity. However, much of this critique relies...

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