Automatic tree stem delineation supporting forest inventory

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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
PublisherInstitute of Electrical and Electronic Engineers IEEE
Pages4465-4468
ISBN (Print)978-1-58537-193-8
DOIs
Publication statusPublished - 2011
MoE publication typeA4 Article in a conference publication

Fingerprint

forest inventory
stems
basal area
relascopes
remote sensing
stem cells
lighting
data analysis
color
biomass
methodology

Cite this

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). Institute of Electrical and Electronic Engineers IEEE. https://doi.org/10.1109/IGARSS.2011.6129458
Molinier, Matthieu ; Andersson, Kaj ; Häme, Tuomas. / Automatic tree stem delineation supporting forest inventory. 2011 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011. Institute of Electrical and Electronic Engineers IEEE, 2011. pp. 4465-4468
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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. Institute of Electrical and Electronic Engineers IEEE, pp. 4465-4468. https://doi.org/10.1109/IGARSS.2011.6129458

Automatic tree stem delineation supporting forest inventory. / Molinier, Matthieu; Andersson, Kaj; Häme, Tuomas.

2011 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011. Institute of Electrical and Electronic Engineers IEEE, 2011. p. 4465-4468.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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AB - 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.)

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