Light reflectance characteristics and remote sensing of waterlettuce

被引：0
|
作者：
Everitt, JH
Yang, C
Flores, D
机构：
[1] USDA ARS, Integrated Farming & Nat Res Unit, Weslaco, TX 78596 USA
[2] USDA, APHIS, TPQ, Plant Protect Lab, Edinburg, TX 78539 USA
来源：
JOURNAL OF AQUATIC PLANT MANAGEMENT | 2003年 / 41卷
关键词：
remote sensing; light reflectance; color-infrared photography; color-infrared videography; accuracy assessment; Pistia stratiotes;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Waterlettuce (Pistia stratiotes L.) is a free-floating exotic aquatic weed that often invades and clogs waterways in the southeastern United States. A study was conducted to evaluate the potential of using remote sensing technology to distinguish infestations of waterlettuce in Texas waterways. Field reflectance measurements showed that waterlettuce had higher visible green reflectance than associated plant species. Waterlettuce could be detected in both aerial color-infrared (CIR) photography and videography where it had light pink to pinkish-white image tonal responses. Computer analysis of CIR photographic and videographic images had overall accuracy assessments of 86% and 84%, respectively.
引用
收藏
页码：39 / 44
页数：6
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