Research Article

Canopy Extraction and Height Estimation of Trees in a Shelter Forest Based on Fusion of an Airborne Multispectral Image and Photogrammetric Point Cloud

Table 1

The band feature parameters of the Micro MCA12 Snap sensor [26].

BandWavelength (nm)Wavewidth (nm)Band characteristics

147010Distinguish vegetation and soil rock surface
251510Green wave peaks in the visible light spectrum
355010Sensitive to changes in water quality
461010Initial band of red light in the vegetation spectral reflection curve
565610Renormalized vegetation index
671010Red edge band of the vegetation spectral reflection curve
776010Red edge band of the vegetation spectral reflection curve
880010Normalized vegetation index
983010Different types of vegetation
1086010Significantly correlated with plant total chlorophyll content
1190020Calculation of the specific crop water sensitivity index
1295040Calculate the water band index