XXII ISPRS Congress 2012: Technical Commission VIII

Shortis, M.; Shimoda, H.; Cho, K.

Bibliographic data

Multivolume work

Persistent identifier:: 1663813779

Title:: XXII ISPRS Congress 2012

Sub title:: Melbourne, Australia, 25 August-1 September 2012

Type of content:: Konferenzschrift

Year of publication:: 2013

Place of publication:: Red Hook, NY

Publisher of the original:: Curran Associates, Inc.

Identifier (digital):: 1663813779

Reihe:: ISPRS archives

Language:: English

Additional Notes:: Kongress-Thema: Imaging a sustainable future

Editor:: International Society for Photogrammetry and Remote Sensing

Author:: International Society for Photogrammetry and Remote Sensing, 22.; 2012; Melbourne

Document type:: Multivolume work

Volume

Persistent identifier:: 1663822514

Title:: Technical Commission VIII

Scope:: 590 Seiten

Type of content:: Konferenzschrift

DOI:: 10.14463/KXP:1663822514

Year of publication:: 2014

Place of publication:: Red Hook, NY

Publisher of the original:: Curran Associates, Inc.

Identifier (digital):: 1663822514

Illustration:: Illustrationen, Diagramme

Reihe:: ISPRS archives (volume 39, B8 (2012))

Signature of the source:: ZS 312(39,B8)

Language:: English

Additional Notes:: Erscheinungsdatum des Originals ist ermittelt.; Literaturangaben

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: Shortis, M.; Shimoda, H.; Cho, K.

Editor:: International Society for Photogrammetry and Remote Sensing

Author:: International Society for Photogrammetry and Remote Sensing, 22.; 2012; Melbourne

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2019

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: [VIII/7: Forestry]

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: FOREST RESOURCE MANAGEMENT SYSTEM BY STANDING TREE VOLUME ESTIMATION USING AERIAL STEREO PHOTOS T. Kamiya, H. Koizumi, J. Wang, A. Itaya

Document type:: Multivolume work

Structure type:: Chapter

International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XXXIX-B8, 2012 XXII ISPRS Congress, 25 August — 01 September 2012, Melbourne, Australia FOREST RESOURCE MANAGEMENT SYSTEM BY STANDING TREE VOLUME ESTIMATION USING AERIAL STEREO PHOTOS T. Kamiya*, H. Koizumi*, J. Wang*, A. Itaya® * System Technologies Laboratories, NEC System Technologies, Ltd., 8916-47, Takayama, Ikoma, Nara 630-0101, Japan - (kamiya-hxa, koizumi-hxa, wang-jxb)@necst.nec.co.jp b Faculty of Bioresources, Mie University, 1577, Kurimamachiya, Tsu, Mie 5 14-8507, Japan - itaya@bio.mie-u.ac.jp Commission VIII, WG VIII/7 KEY WORDS: Forestry, GIS, DSM/DTM, Aerial Photo, Stereo ABSTRACT: Forest resource management usually requires much human labour for the field survey to keep the data up-to-date especially for the mountainous area. Furthermore, forest resources start to draw more and more attention not only as lumber resources but also as bio- mass resources in terms of alternative energy. This paper describes a novel system for forest resource management based on three- dimensional data acquired from stereo matching of aerial photographs. The proposed system consists of image analysis of aerial photograph for forest resource estimation, and a GIS system aiming at better management of the forest resources. We have built a prototype GIS system and applied it to the experiment forest in Mie prefecture, Japan. 1. INTRODUCTION Forest resource management usually requires much human labour. In Japan, local governments maintain the forest base map based on the reports of private sectors or their own field survey. It costs much to keep the data up-to-date especially for mountainous area. Furthermore, forest resources start to draw more and more attention not only as lumber resources but also as bio-mass resources in terms of alternative energy. Remote sensing technologies, such as aerial and satellite photographs, are effective for forest resource management because photographs can grasp the current status of forest in a wide area immediately, especially meaningful for the places where it is difficult to step in. But photographs can only show two-dimensional information such as tree position. In consideration of bio-mass resources, information related to forest volume such as tree height is also necessary. This paper describes a novel system for forest resource management based on three-dimensional data acquired from stereo matching of aerial photographs. The system aims to reduce human labour for the field survey by resource estimation from aerial photographs. 2. BACKGROUND Up to now, there have been many researches related to forest information estimation by image analysis in forestry field, such as satellite image analysis for land cover classification (Colstoun, 2003), or analysis of thinning effect on a forest based on forest canopy density information (Itaya, 2007). But most of the researches only implement 2D image analysis, so it is hard to widely estimate the tree volume by them. Some other researches estimate the tree volume from the crown area estimated by 2D image analysis (Hirata, 2008). But these researches use relational expression between the crown area and the tree height obtained from the field survey to estimate the tree volume. In the practical case, only one relational expression can hardly reflect the condition of the whole vast forest. Thus, utilization of 3D data is essential to estimate the tree volume. There are also some researchers using LIDAR to acquire tree height for estimating forest information. The research of Means et al. shows the possibility of estimating the tree volume from the tree height and the tree crown by LIDAR (Means, 2000). Though LIDAR can acquire the tree height in high accuracy, it is hard to estimate the tree species and tree density in LIDAR data. In this sense, it is hard to expect accurate estimation of forest resource by LIDAR. Furthermore, LIDAR has a problem of high cost. 3. FOREST RESOURCE MANAGEMENT SYSTEM This paper proposes the forest resource management system using 3D data. Figure 1 shows the conceptual diagram of the system. Aerial Forest Resource Photograph Forest Resource Management System Figure 1. Conceptual Diagram of Forest Resource Management System Forest 3D Model The proposed system consists of two stages. The first stage is image analysis of aerial photograph for forest resource estimation and the second stage is a GIS system aiming at better management of the forest resources including the function of road planning.

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