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Extended-altitude, aerial mapping of crop NDVI using an active optical sensor: A case study using a Raptor™ sensor over wheat

journal contribution
posted on 25.10.2018, 00:00 by DW Lamb, DA Schneider, Mark Trotter, MT Schaefer, IJ Yule
Recently reported testing of active, optical crop sensors in low-level aircraft have demonstrated a new class of airborne sensing system that can be deployed under any ambient illumination conditions, including at night. A second-generation, high-powered, light-emitting diode system has been assembled and tested over a 80ha field of wheat (Triticum aestevum) by mapping the normalised difference vegetation index (NDVI) at altitudes ranging from 15 to 45 m above the canopy; significantly higher altitudes than existing systems. Comparisons with a detailed on-ground NDVI survey indicated the aerial sensor values were highly correlated to the on-ground sensor (0.79

Funding

Other

History

Volume

77

Issue

1

Start Page

69

End Page

73

Number of Pages

5

eISSN

1872-7107

ISSN

0168-1699

Publisher

Elsevier, Netherlands

Peer Reviewed

Yes

Open Access

No

Acceptance Date

26/03/2011

External Author Affiliations

University of New England; Massey University, NZ

Era Eligible

Yes

Journal

Computers and Electronics in Agriculture

Exports