Automated tree detection from 3D lidar images using image processing and machine learning

Abstract

Trees in 3D images obtained from lidar were automatically extracted in the presence of other objects that were not trees. We proposed a method combining 3D image processing and machine learning techniques for this automatic detection. Consequently, tree detection could be done with 95% accuracy. First, the objects in the 3D images were segmented one by one; then, each of the segmented objects was projected onto 2D images. Finally, the 2D image was classified into “tree” and “not tree” using a one-class support vector machine, and trees in the 3D image were successfully extracted.

© 2019 Optical Society of America

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