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Narcissus Pattern Estimation for 2D-IRCCD Based FLIR
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- Nagata Toshio
- Japan Defense Agency
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- Sakurada Tomomi
- Japan Defense Agency
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- Masutani Mitumasa
- Japan Defense Agency
Bibliographic Information
- Other Title
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- 二次元IRCCDを用いた赤外線撮像装置におけるナルシサスパターンの推定方法
- 2次元IRCCDを用いた赤外線撮像装置におけるナルシサスパターンの推定方法
- 2ジゲン IRCCD オ モチイタ セキガイセン サツゾウ ソウチ ニ オケル
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Description
This paper describes a method for estimating narcissus pattern of 2D-IRCCD based forward looking infrared camera (FLIR). Narcissus is a common optical noise in FUR caused by infrared emission from warm housing and cold surface reaching to the detector after reflected at lens surfaces. Since sharp edges in the narcissus pattern result in poor image quality, smooth narcissus edge is a significant design concept for FLIR. The narcissus pattern estimation method proposed in this paper hypothetically treats the cold surface as a negative infrared light source. Infrared intensity from this negative source creates narcissus at the detector surface. The narcissus pattern is obtained by normalizing the intensity variation of narcissus. A simulation program is developed using ray tracing technique for narcissus pattern calculation. Examples of both simulation and experimental results are presented.
Journal
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- IEEJ Transactions on Electronics, Information and Systems
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IEEJ Transactions on Electronics, Information and Systems 112 (7), 386-390, 1992
The Institute of Electrical Engineers of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282679584889088
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- NII Article ID
- 130006843942
- 40002524732
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- NII Book ID
- AN10065950
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- ISSN
- 13488155
- 03854221
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- NDL BIB ID
- 3783051
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed