NDLI: Tree height measurement based on image processing with 3-points correction

Content Provider	IEEE Xplore Digital Library
Author	Dianyuan Han
Copyright Year	2011
Description	Author affiliation: Dept. of Computer Engineering, Wei Fang University, Shandong 261061, China (Dianyuan Han)
Abstract	This paper concerns the problem of tree height measurement based on image processing by 3-points correction. In the traditional method, two marker points were used, one was set on the root of the tree and the other was set one meter high from the root. A tripod was used to fix the camera for taking photos of the tree and the photo was made perpendicular to the ground, which have many restrictions in practice. In this paper, three marker points were used and they were set in a line along the tree trunk with same distance. After the coordinates of the three marker points and the top point of the tree were extracted according to their color features, the image was corrected by three marker points. Then the tree height can be worked out using triangle similarity theory. The experimental results show that the relative measurement error of tree height is much smaller than the traditional method.
Starting Page	2281
Ending Page	2284
File Size	664012
Page Count	4
File Format	PDF
ISBN	9781457715860
e-ISBN	9781457715877
DOI	10.1109/ICCSNT.2011.6182429
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Ultrasonic variables measurement Tree height measurement Computational modeling Image processing Transforms Image correction Acoustics
Content Type	Text
Resource Type	Article

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