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題 名 | 以魚眼影像進行全天光空域模式之驗證=The Validation of Whole Light Sky Space Model by Fisheye Photographs |
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作 者 | 邱祈榮; 賴彥任; 陳信雄; | 書刊名 | 國立臺灣大學生物資源暨農學院實驗林研究報告 |
卷 期 | 18:4=246 民93.12 |
頁 次 | 頁273-283 |
分類號 | 322.3 |
關鍵詞 | 魚眼影像; 全天光空域; 全天光空域比例因子; 地形遮蔽; Topographic influence; Whole light sky space; Skyview factor; Fisheye image; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究利用魚眼影像於已發展之全天光空域模式(陳信雄等,2000)進行驗證。由驗證可知,模式所得之全天光空域與實際情形有同樣的趨勢。9個幾乎無鄰近地上物遮蔽之地點,實際與模式估算之不同方位角的遮蔽天頂角間,相關係數均在0.9以上,全天光空域比例因子的差值在±0.03之間,可推斷以模式求得之全天光空域具有可行性,然未來估算太陽輻射入射量時,因地上遮蔽物之影響,仍可能有相當的誤差。 |
英文摘要 | This study used the photos taken by a digital camera with fisheye lens to validate the whole light sky space model (Chen et al., 2000). The results showed the model fitted the real situation well. The correlation coefficients of the shadow angles at different azimuths were more than 0.9 at 9 places that almost only shadow by terrain. The errors of skyview factors were ±0.03. According to this study, this model could simulate the whole light sky space, but the accuracy was reduced when there was shadow above the terrain and not included at DIM (digital terrain model). |
本系統中英文摘要資訊取自各篇刊載內容。