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LED Board Error Detection Automation with Image Processing

100%
Üncü İ., Coşkunsu S.
Acta Physica Polonica A
|
2015
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vol. 128
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issue 2B
B-471-B-473
EN
Nowadays, a great part of energy consumption belongs to lighting products. For this reason, lighting fixtures that consume less energy but perform more efficiently are manufactured. LEDs are the latest product of this development. LEDs have advantages over traditional lighting systems, such as being efficient, long lasting and environment friendly. Recently, with the development of technology, the image processing techniques are used in various fields. Image processing-based fault detection systems have become a frequently referenced solution in industrial automation systems due to the rapid analysis ability and high level of accuracy. Along with the use of cameras in the photometric measurements, it has become possible to make multiple measurements on the same photograph. In this study, control automation has been developed to determine the photometric properties in LED boards, used in the production of LED lighting fixtures. Improper LEDs are detected by checking colour and brightness of all LEDs on the LED board by means of a computer-controlled system.
2
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CRI and GAI Comparison in LED Light Sources Using Image Processing

81%
Üncü İ., Coşkunsu S., Sönmez C., Biçakçi O.
Acta Physica Polonica A
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2016
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vol. 130
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issue 1
379-381
EN
In this study, color rendering index and gamut area index related to the light quality of a light source are compared. Color rendering index is a measure that demonstrates how much a light source reveals colors in nature. In color rendering index measurements, average of reference colors is taken to obtain an overall measurement value. As to gamut area index measurement, the result is obtained through the field measurement formed by the results of reference colors in the color space.
3
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Determination of Radiation Shielding Properties of Fabrics using Image Processing Method

61%
Kilinçarslan Ş., Üncü İ., Akkurt İ., Günoğlu K., Akarslan F., Coşkunsu S.
Acta Physica Polonica A
|
2017
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vol. 132
|
issue 3
1171-1172
EN
It is extremely important to protect the human body from radioactive rays. Protective clothing can be used to absorb radiation because it is preferable to avoid the natural and artificial radiation exposure in our daily lives. There are many different types of fabric, used for clothes. In this study radiation absorbing properties of fabrics, which are widely used in the daily life, such as alpaca-type fabric, cotton fabric, cotton polyester blend fabric, woven dyed fabric and knitted fabric were examined using the image processing method.
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