| Project/Area Number |
26750006
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Design science
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| Research Institution | Kanagawa Institute of Technology |
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Principal Investigator |
Takayuki Misu 神奈川工科大学, 創造工学部, 准教授 (80570572)
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| Project Period (FY) |
2014-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Keywords | 照度 / デジタルカメラ画像 / デジタル画像輝度 / デジタルカメラ / ヒストグラム（輝度） |
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| Outline of Final Research Achievements |
The LED-lighting market is still expanding, with the increasing number of new-coming manufacturers. For the performance evaluation of LED lightings, various expensive measurement devices and software products are used, such as an illuminometer and simulation software. However, purchasing all such products is difficult for newcomers. In this study, an environment for measuring the illuminance has been devised, using a digital camera, such as the cell-phone camera which has been indispensable in everyday life. It has been revealed that the illuminance value can be predicted by using a histogram of an image taken with a digital camera.
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