نتایج جستجو برای: dark skies

تعداد نتایج: 76907  

This paper proposes an improved dark channel prior for removing haze from images. Dark channel prior is an effective method for removing haze. Dark channel is an image in the same size as the hazy image which is obtained by dividing the RGB images into windows and for each window, the minimum of each R, G and B channels are calculated. Then again the minimum of these three values is calculated ...

Journal: :Journal of the Illuminating Engineering Institute of Japan 1988

Journal: :IEEE Consumer Electronics Magazine 2023

Dangers associated with poor air quality are driving deployments of monitoring technology worldwide. Having a comprehensive understanding the health effects pollutants requires both distribution and dispersion in environment, but currently this information is highly difficult to capture. This article presents vision for city-scale pollution that uses unmanned aerial vehicles (UAVs) complement c...

Journal: :معماری و شهرسازی آرمان شهر 0
mohammadjavad mahdavinejad assistant professor, department of art and architecture, faculty of arts and architecture, tarbiat modares university, tehran, iran. soha matoor m.a. student, department of art and architecture, faculty of arts and architecture, tarbiat modares university, tehran, iran. rima fayaz assistant professor, department of architecture, faculty of architecture, art university of tehran, tehran, iran

to effectively design daylight in buildings, daylight availability data are necessary. although there is a great potential for daylight energy in iran, its use has been hampered by the absence of measured data. in this paper the illuminance data on the vertical south facing surfaces of tehran were estimated using the iesna model. for this propose an illuminance measuring set was used in order t...

Journal: :iranian journal of veterinary research 2008
a. esfandiari s. gholami a. safavi

the morphology of retinal photoreceptor layer was studied in continuous light-exposed and dark-adapteddomestic male cats (felis catus). the eyes of 12 healthy adult cats (4 in continuous light-exposed group, 4 in continuous dark-adapted group, and 4 in control group) were routinely fixed and studied by electron microscope. results showed that the general structure of photoreceptor layer in this...

Journal: :avicenna journal of phytomedicine 0
mansour homayoun department of anatomy and cell biology, school of medicine, mashhad university of medical sciences, mashhad, iran masoumeh seghatoleslam department of anatomy and cell biology, school of medicine, mashhad university of medical sciences, mashhad, iran mojtaba pourzaki neurogenic inflammation research center, school of medicine, mashhad university of medical sciences, mashhad, iran reihaneh shafieian pharmacological research center of medicinal plants, school of medicine, mashhad university of medical sciences, mashhad, iran mahmoud hosseini neurocognitive research center, school of medicine, mashhad university of medical sciences, mashhad, iran alireza ebrahimzadeh bideskan department of anatomy and cell biology, school of medicine, mashhad university of medical sciences, mashhad, iran

objective: previously, analgesic, hypnotic, and anticonvulsant effects have been suggested for rosa damascena (r. damascena). in the present study, possible anti-seizure and neuro-protective effects of hydro-alcoholic extract of r. damascena has been investigated after inducing seizures in rats by pentylenetetrazole (ptz). materials and methods: the rats were divided to five groups: (1) control...

Journal: :physiology and pharmacology 0
parichehr hassanzadeh abolhassan ahmadiani dept. pharmacology and neuroscience research center, shaheed beheshti univ. med. sci.,

introduction: dark neurons which their morphological characteristics are consistent with those of cells undergoing apoptosis, are generated as an acute or delayed consequence of several pathological situations. the present study was designed to evaluate whether inflammatory pain regarding the role of no and jnk lead to the formation of dark neurons in the dorsal horn of the lumbar spinal cord i...

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