نتایج جستجو برای: lighting conditions

تعداد نتایج: 861023  

2002
G. R. Arsenault

Current office lighting recommendations stress the importance of vertical surface illumination over horizontal desktop illumination for VDT work, where the occupant is primarily in a “heads up” position. We investigated this recommendation by creating two very different lighting conditions in two workstations in a mock-up open-plan office space. One workstation was provided with conventional, d...

Journal: :international archives of health sciences 0
a.r. mashkoori “work health research center” and “occupational health engineering department, health school”, qom university of medical sciences, qom, iran s. asadi “work health research center” and “occupational health engineering department, health school”, qom university of medical sciences, qom, iran a.r. yari research center for environmental pollutants, qom university of medical sciences, qom, iran z. allahdadi “work health research center” and “occupational health engineering department, health school”, qom university of medical sciences, qom, iran z. gharlipour health education & promotion department, health school, qom university of medical sciences, qom, iran a.r. koohpaei department of occupational health engineering, school of health, qom university of medical sciences, roohallah square, moallem street, qom, iran

aims: work proper lighting means a safe, healthy and comfort conditions for work under a lighting system that includes qualitative and quantitative features. this study aimed to evaluate the surface local lighting of works and eye fatigue among research and development staffs of an automotive industry. instrument & methods: in this descriptive study in research and development department of an ...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 2006

2017
Trina Merrick Ralf Bennartz Maria Luisa S. P. Jorge Thiago S. F. Silva John Rausch Guilherme Gualda

In this study, we evaluated chlorophyll fluorescence (CF) under two extreme 13 illumination conditions at plant scale with a passive spectroradiometer. Fluorescence (F) was 14 estimated by reading directly from radiance spectra of a variety of plants illuminated with 15 light-emitting diode (LED) grow lights in the laboratory. Solar-induced fluorescence (SIF) was 16 estimated from spectral meas...

2003
Yasushi Makihara Masao Takizawa Yoshiaki Shirai Nobutaka Shimada

This paper describes object recognition under various lighting conditions for a robot which finds a user-specified object and brings it to the user. The system first constructs object models under a known lighting condition. Because the lighting condition in model construction is different from that in object recognition, the system needs to transform the model’s color for the current lighting ...

Journal: :Journal of the Illuminating Engineering Institute of Japan 2001

Journal: :Journal of Light & Visual Environment 2007

Journal: :Journal of the Illuminating Engineering Institute of Japan 1980

2011
Md. Golam Moazzam

This paper presents a novel method for detecting human faces in an image with complex backgrounds. The approach is based on visual information of the face from the template image and is commenced with the estimation of the face area in the given image. As the genetic algorithm is a computationally expensive process, the searching space for possible face regions is limited to possible facial fea...

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