發(fā)布時(shí)間：2018-03-21 18:33

  本文選題：互花米草　切入點(diǎn)：植被信息提取　出處：《遙感技術(shù)與應(yīng)用》2017年04期 　論文類型：期刊論文

【摘要】：以福建三沙灣為試驗(yàn)區(qū),以地面光譜和低空無人機(jī)獲取的可見光影像與ADC多光譜影像為數(shù)據(jù)源對(duì)入侵種互花米草植被信息和覆蓋度進(jìn)行研究。構(gòu)建了基于可見光波段的改進(jìn)型土壤調(diào)整植被指數(shù)V-MSAVI用于可見光影像植被信息提取,以NDVI指數(shù)模型對(duì)ADC多光譜影像進(jìn)行了植被覆蓋度估算。結(jié)果表明,V-MSAVI指數(shù)具有較好的適用性;在互花米草覆蓋度方面以40%~60%和60%~80%中高等級(jí)分布為主。精度檢驗(yàn)表明,基于V-MSAVI植被指數(shù)提取得到的互花米草總體精度為89%,Kappa系數(shù)為0.77;植被覆蓋度的估算值與真實(shí)值之間的均方根誤差(RMSE)為0.06,決定系數(shù)R~2為0.92。
[Abstract]:Taking Sansha Bay, Fujian Province, as the experimental area, The vegetation information and coverage of invasive Spartina alterniflora were studied based on visible light images and ADC multispectral images obtained from ground spectrum and low altitude UAV. An improved soil adjustment plant based on visible light was constructed. The index V-MSAVI is used to extract vegetation information from visible light image. The vegetation coverage of ADC multispectral images was estimated by using NDVI index model. The results showed that V-MSAVI index had good applicability, and the coverage of Spartina alterniflora was mainly distributed in 400.60% and 80% of the total coverage of Spartina alterniflora. The total precision of Spartina alterniflora extracted from V-MSAVI vegetation index was 0.77, the root mean square error (RMSE) between the estimated value of vegetation coverage and the real value was 0.06, and the determining coefficient Rn2 was 0.92. the total precision of Spartina alterniflora was 0.77, the root mean square error (RMSE) between the estimated value of vegetation coverage and the real value was 0.06.
【作者單位】： 國家海洋局第三海洋研究所;
【基金】：福建省自然科學(xué)基金項(xiàng)目(2015J05085) 國家海洋局第三海洋研究所基本科研業(yè)務(wù)費(fèi)項(xiàng)目(HE150805-14(B)) 促進(jìn)海峽兩岸科技合作聯(lián)合基金(U1405234)
【分類號(hào)】：S45;TP751
，

本文編號(hào)：1645055