Art

J-GLOBAL ID：200902135431089909   Reference number：02A0911757

Estimation of Relative Iilluminance using Digital Hemispherical Photography.

ディジタル半球フォトグラフィを用いた相対照度の推定

Author (4)： INOUE A (Tottori Univ., Tottori, JPN) ,  YAMAMOTO K (Nagoya Univ., Nagoya, JPN) ,  MIZOUE N (Miyazaki Univ., Miyazaki, JPN) ,  KAWAHARA Y (Kyushu Univ., Fukuoka, JPN)
Material： Journal of Forest Planning  (J For Plann)
Volume： 8  Issue： 2  Page： 67-70  Publication year： Oct. 2002 
JST Material Number： L2592A  ISSN： 1341-562X  Document type： Article
Article type： 短報  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： wide angle photography ,...
Semi thesaurus term： sky radiation

   To see more with JDream III (charged).   {{ this.onShowAbsJLink("http://jdream3.com/lp/jglobal/index.html?docNo=02A0911757&from=J-GLOBAL&jstjournalNo=L2592A") }}

JST classification (1)： Forest mensuration(=dendrometry)  (FF01040T)

Reference (11)：

• 1) ANDERSON M. C. Light relations of terrestrial plant communities and their measurement. Biol. Rev.. (1964) vol.39, p.425-486.
• 2) ANDO T. Measurement of openness grade of canopy by hemispherical photograph. Bull. For. and For. Prod. Inst.. (1983) vol.323, p.4-8.
• 3) GRACE J. The directional distribution of light in natural and controlled environment conditions. J. Appl. Ecol.. (1971) vol.8, p.155-164.
• 4) LEE Y. J. Tree-crown defoliation measurement from digitized photographs. Can. J. For. Res.. (1983) vol.13, p.956-961.
• 5) OTSU N. A threshold selection method from gray-level histogram. IEEE Trans. System Man Cybernet.. (1979) vol.SMC 8, p.62-66.

Terms in the title (5)： ディジタル ,  半球 ,  フォトグラフィ ,  照度 ,  推定