Automatic tree stem delineation supporting forest inventory

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Abstract

The aim of this study was to develop an automatic procedure to detect tree stems in cell phone images. If the stems can be detected, the central projection geometry of the images makes it possible to apply the so called relascope principle to predict the basal area of stems per hectare. The basal area is closely correlated with tree biomass. Images were acquired in an area where detailed tree-wise information is available. The tree stem delineation methods were based on color and edge information to tackle the challenges of occlusions and varying illumination conditions. Geolocalised images can be used as in-situ reference data for remote sensing data analysis to provide wall-to-wall estimates. (10 refs.)
Original languageEnglish
Title of host publication 2011 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011
PublisherIEEE Institute of Electrical and Electronic Engineers
Pages4465-4468
ISBN (Print)978-1-58537-193-8
DOIs
Publication statusPublished - 2011
MoE publication typeA4 Article in a conference publication

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Molinier, M., Andersson, K., & Häme, T. (2011). Automatic tree stem delineation supporting forest inventory. In 2011 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011 (pp. 4465-4468). IEEE Institute of Electrical and Electronic Engineers . https://doi.org/10.1109/IGARSS.2011.6129458