Effect of travel speed on characterizing citrus canopy structure with a laser scanner

M. Salyani; J. Wei

Effect of travel speed on characterizing citrus canopy structure with a laser scanner

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M. Salyani

M. Salyani University of Florida, IFAS, Citrus Research and Education Center, 700 Experiment Station Road, Lake Alfred, Florida 33850, USA msi@crec.ifas.ufl.edu

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J. Wei

J. Wei University of Florida, IFAS, Citrus Research and Education Center, 700 Experiment Station Road, Lake Alfred, Florida 33850, USA msi@crec.ifas.ufl.edu

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Page Range:: 183â192

DOI:: https://doi.org/10.3920/978-90-8686-549-9_023

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A laser scanning system comprising an infrared laser emitter/sensor, a rotating mirror and other supporting components, was developed. It generates pseudo-color images of the scanned targets that could be decoded to obtain information on tree canopy height, width, volume and apparent density of the foliage. The density calculations are based on the sensor-canopy distance measurements and a canopy boundary-smoothing algorithm.

Preliminary tests were conducted to evaluate the performance characteristics of the system under different operating and target conditions. They included determining the sensitivity and spatial resolution of the system, accuracy of the canopy volume measurements and comparison of visual and instrumental foliage density assessments. This paper summarizes preliminary tests of the system and reports further studies on the effect of travel speed on height, volume and canopy density measurements.

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ISBN:: 9789086865499

åºçç¤¾:: Wageningen Academic

å°å·åºçæ¥æ:: 24 Oct 2005

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Effect of travel speed on characterizing citrus canopy structure with a laser scanner

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