無人空中載具數位影像應用於林分蓄積量之推估

朱宗威

doi:10.6346/NPUST.2014.00223

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無人空中載具數位影像應用於林分蓄積量之推估

Estimating the Stand Stocks by Unmanned Aerial Vehicle Imagery

朱宗威 , Masters　　Advisor：陳朝圳;陳建璋　　

繁體中文 DOI： 10.6346/NPUST.2014.00223

無人空中載具；航照測量；林分性態值萃取； UAV ； photogrammetry ； stand characteristics extract

Abstract │ Reference (76) │ Times Cited (1) │ Altmetrics

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Past research has indicated that forest resources inventory consumes lots of manpower, money and time. With the enhancement of remote sensing technology, using aerial images for forest resources measure that could let cost savings. In this study, we use Pingtung County TaiSugar plantation as a study area. Use UAV image and field sampling data as the research materials. We use orthophotos with Pix4D software to compare the difference of overlapping. This study will use UAV aerial photographs to extract the stand characteristics and establish the volume formula and aerial volume formula of standing timber. Finally, we use research trial to design the process workflow with UAV technology for plantation survey. Results showed that the 80% overlapping will have the smallest distorting. The study is based on the data collected by UAV aerial image and field sampling plot. We use regression analysis to establish the relationship between the stand characteristics extracting from UAV aerial image and field sampling plot surveying. Results showed that crown and tree height can directly extract from UAV aerial image, the coefficient of crown determination (R2) were Swietenia macropnylla 0.90, Fraxinus griffithii 0.79 and Zelkova serrata 0.72 and coefficient of tree height Swietenia macropnylla 0.97, Fraxinus griffithii 0.85 and Zelkova serrata 0.63 respectively. Meanwhile, the aerial stand volume table had been established by independent variables of crown closure and tree height extracting from UAV image that the coefficient of volume (R2) was Swietenia macropnylla 0.70, Fraxinus griffithii 0.71 and Zelkova serrata 0.50.

Reference ( 76 ) 〈TOP〉

王亞男、石哲宇、顏添明、李隆恩 (2012) 溪頭地區紅檜人工樹高曲線式及樹高生長模式建立之研究。臺大實驗林研究報告26(2):93-102。
連結：
林金樹、黃家培、柯建全、張建禕 (2004) 應用高解析力衛星影像偵測與描繪開闊地立木樹冠之研究。中華林學季刊 38(2): 163-178。
連結：
邱志明、呂明倫、彭炳勳 (2012) 森林資源調查技術演進。林業研究專訊 19(5): 19-24。
連結：
陳正豐、洪富文、張添榮 (1996) 三種桉樹在臺灣東部地區生長之研究。臺灣林業科學11(3): 233-238。
連結：
彭炳勳 (2009) 應用空載光達資料推測阿里山地區單木樹高與林分高度之研究。中華林學季刊 42(1): 167-180。
連結：

Times Cited (1) 〈TOP〉

謝哲瑜(2017)。以Pixhawk為基礎之農用無人機及撒佈系統開發與驗證。虎尾科技大學自動化工程系碩士班學位論文。2017。1-60。

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