نتایج جستجو برای: illumination

تعداد نتایج: 26209  

پورنجف , عبدالحسین, کاکویی , حسین,

Background and Aim: Lack of quantitative and qualitative data on the current status and the possible adverse effect of poor illumination necessitate the evaluation of the illumination system in the industrial section. To perform quantitative and qualitative assessments of illumination conditions in factories located in the west of Tehran and to look at the adverse consequences of insufficient...

ارقامی, شیرازه, عظیمی پیرسرایی, سید رضا, مجیدی, فرامرز,

Background & Objective: Recommended illumination Engineering Society of North America (IESNA) methods were used to measure the illumination in regular geometric areas such as square or rectangular form areas. It seems that with using the GIS method which is used to save, manage and spatial data analysis and processing them by computer we would be able to examine the illumination in many situati...

ژورنال: سلامت کار ایران 2016

Background and aims: Work environment illumination affects on productivity, accidents, and workers' physical and mental health. Therefore, illumination evaluation and determine workstations which need light modification could be helpful to develop workers' health and safety. Methods: This study was performed in one of the biggest company in Zanjan province to evaluate illumination depending ...

Journal: :journal of research in health sciences 0
abdollah vahedi iman dianat

background: the aims of this study were to evaluate the employees' subjective assessments of different aspects of lighting condition as well as task area illuminance in manufacturing plants. methods: this field study was conducted between march and may 2013 , in three packing plants (saveh, central iran). data were collected by questionnaire and measurement of the task area illuminance levels. ...

ابراهیمی گرکانی, پونه, مراثی, محسن,

Iranians and Armenians have lived together for a long time and have influenced on the language, culture and traditions of each other. In the wake of an Armenian group migration to Isfahan in Shah Abbas era at century 17th AD/ 11 AH and in consequent of church establishment in Jolfa of Isfahan, some copies of Armenian texts consisted of Gospel (Armenian scripture) and some prayer books have been...

سامانیان, صمد, پورافضل, الهام,

The present study seeks for to examining the components of illumination of the Frontispieces in Injuid and Timurid Shiraz School. The aim of the study is to explain the main reasons in change of approach and dominant styles in illuminated manuscripts throughout a century within the identical origins. In addition, the present study compares the structural and formal characteristics of illuminate...

Journal: :jundishapur journal of health sciences 0
majid hajibabaei department of occupational hygiene, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of occupational hygiene, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6113738269, fax: +98-6113738282 samira kord department of occupational hygiene, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; student research committee, ahvaz jundishapur university of medical sciences, ahvaz, ir iran ezat rasooli department of occupational hygiene, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; student research committee, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

results the results show the artificial lighting obtained by difference methods of the overall lighting from natural lighting in closed blinds mode equal to 266 lux and night lighting 283.5 lux that they have no significant differences with each other (p = 0.269). as well as the illumination intensity obtained from a standard grid method is 283.5 lux and illumination intensity based on luminair...

The Quran’s illumination forms are important parts of the Iranian illumination art. This research considers the recognition of the visual features of Quranic illumination in Qajar period. The motif, color and combination of the important factors of Quranic illumination are used to classify the illumination. These factors have been selected of the Qajar period in three versions of the illu...

Journal: :journal of medical signals and sensors 0
seyed hossein rasta mahsa eisazadeh partovi hadi seyedarabi alireza javadzadeh

to investigate the effect of preprocessing techniques including contrast enhancement and illumination correction on retinal imagequality, a comparative study was carried out. we studied and implemented a few illumination correction and contrast enhancementtechniques on color retinal images to find out the best technique for optimum image enhancement. to compare and choose thebest illumination c...

In this paper, a new approach is presented for improving image quality. It provides a new outlook on how to apply the enhancment methods on images. Image enhancement techniques may deal with the  illumination, resolution, or distribution of pixels values. Issues such as the illumination of the scene and reflectance of objects affect on image captures. Generally, the pixels value of an image is ...

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