ISPRS Workshop on Laser Scanning 2007 and SilviLaser 2007

Espoo, September 12-14, 2007, Finland

IAPRS Volume XXXVI, Part 3 / W52, 2007


Table of Contents


Papers were accepted on the basis of peer-reviewed full manuscripts. 


 

Generalized Least Squares Multiple 3D Surface Matching
D. Akca, A. Gruen
 
1
Statistical Properties of Mean Stand Biomass Estimators in a Lidar-Based Double Sampling Forest Survey Design
H.-E. Andersen, J. Breidenbach
 
 8
On-Site Self-Calibration Using Planar Features for Terrestrial Laser Scanners
K.-H. Bae, D. Lichti
 
14
Problems Related to the Generation of True-Orthophotos with Lidar DDSMs
L. Barazzetti, M. Brovelli and M. Scaioni
 
20
Improving the Morphological Analysis for Tree Extraction: a Dynamic Approach to Lidar Data
A. Barilotti, F. Sepic, E. Abramo, F. Crosilla 
 
 26
Registration of Terrestrial Laser Scans via Image Based Features
S. Barnea, S. Filin
 
 32
Towards the Estimation of Tree Structural Class in Northwest Coastal Forests Using Lidar Remote Sensing
C. W. Bater, N. C. Coops,  S. E. Gergel, N. R. Goodwin
 
 38
Combined Feature Extraction for Façade Reconstruction
S. Becker, N. Haala
 
 44
Tree Detection and Diameter Estimations by Analysis of Forest Terrestrial Laserscanner Point Clouds
A. Bienert , S. Scheller, E. Keane, F. Mohan, C. Nugent
 
 50
Application of Terrestrial Laser Scanning for Shipbuilding
K. Biskup, P. Arias, H. Lorenzo, J. Armesto
 
 56
Using Airborne Small-Footprint Laser Scanner to Assess the Quantity of Seedlings in an Uneven-Aged Spruce Forest
O. M. Bollandsås, K. H. Hanssen, S. Marthiniussen, E. Næsset
 
 62
Automatic Segmentation of Building Facades Using Terrestrial Laser Data
H. Boulaassal, T . Landes, P. Grussenmeyer, F. Tarsha-Kurdi
 
 65
Validation of Airborne Lidar Intensity Values from a Forested Landscape Using HYMAP data: Preliminary Analyses
D. S. Boyd, R. A. Hill
 
 71
A Mixed Effects Model to Estimate Stand Volume by Means of Small Footprint Airborne Lidar Data for an American and German Study Site
J. Breidenbach , R. McGaughey, H.-E. Andersen, G. Kändler, S. Reutebuch
 
 77
Automatic Relative Orientation of Terrestrial Laser Scans Using Planar Structures and Angle Constraints
C. Brenner, C. Dold
 
 84
Supervised Classification of Water Regions from Lidar Data in the Wadden Sea Using a Fuzzy Logic Concept
A. Brzank, C. Heipke
 
 90
Using Airborne Lidar for the Assessment of Canopy Structure Influences on CO2 Fluxes
L. Chasmer, A. Barr, A. Black, C. Hopkinson, N. Kljun, J. H. McCaughey, P. Treitz
 
 96
Processing Full-Waveform Lidar Data: Modelling Raw signals
A. Chauve, C. Mallet, F. Bretar, S. Durrieu, M. P. Deseilligny, W. Puech
 
 102
Icesat Fullwaveform Altimetry Compared to Airborne Laser Altimetry over the Netherlands
H. Duong, R. Lindenbergh, N. Pfeifer, G. Vosselman
 
 108
Simulating Sampling Efficiency in Airborne Laser Scanning Based Forest Inventory
L. Ene, E. Næsset, T. Gobakken
 
 114
Detection and Reconstruction of Free Form Surfaces from Airborne Laser Scanning Data
S. Filin, N. A. Akel, Y. Doytsher
 
 119
Terrestrial Lidar Measurents for Analysing Canopy Structure in an Old-Growth Forest
S. Fleck, N. Obertreiber, I. Schmidt, M. Brauns, H. Jungkunst, C. Leuschner
 
 125
Adaptive Filtering of Aerial Laser Scanning Data
G. Forlani, C. Nardinocchi
 
130
Lidar-Derived Site Index in the U.S. Pacific Northwest - Challenges and Opportunities
D. Gatziolis
 
 136
Accuracy of Forest Parameters Derived from Medium Footprint Lidar under Operational Constraints
C. Ginzler, J. Boehl, R. Boesch, L. T. Waser
 
 144
Assessing Effects of Laser Point Density on Biophysical Stand Properties Derived from Airborne Laser Scanner Data in Mature Forest
T. Gobakken, E. Næsset

 150
Estimation of the Lidar Height Offset in Coastal Vegetated Areas
J. Goepfert, U. Soerge
 
156
Automatic Co-Registration of Terrestrial Laser Scanner and Digital Camera for the Generation of Hybrids Models
D. González Aguilera, P. Rodríguez Gonzálvez, J. Gómez Lahoz
 
 162
Assessment of Sub-Canopy Structure in a Complex Coniferous Forest
N. R. Goodwin, N. C. Coops, C. Bater, S. E. Gergel
 
 169
Planar Feature Extraction in Terrestrial Laser Scans Using Gradient Based Range Image Segmentation
B. Gorte
 
 173
Registration of Agia Sanmarina Lidar Data Using Surface Elements
W. von Hansen
 
 178
Going Undercover: Mapping Woodland Understorey from Leaf-On and Leaf-Off Lidar Data
R. A. Hill
 
 184
Modelling Canopy Gap Fraction from Lidar Intensity
C. Hopkinson, L. Chasmer
 
 190
Glacier Surface Segmentation Using Airborne Laser Scanning Point Cloud and Intensity Data
B. Höfle, T. Geist, M. Rutzinger, N. Pfeifer
 
 195
Radiometric Calibration of ALS Intensity
S. Kaasalainen, J. Hyyppä, P. Litkey, H. Hyyppä, E. Ahokas, A. Kukko, H. Kaartinen
 
 201
Extending Generalized Hough Transform to Detect 3D Objects in Laser Range Data
K. Khoshelham
 
 206
Tree Height Estimation Methods for Terrestrial Laser Scanning in a Forest Reserve
G. Király, G. Brolly
 
 211
REIN Algorithm and the Influence of Point Cloud Density on nDSM and DTM Precision in a Submediterranean Forest
A. Kobler, P. Ogrinc
 
 216
Automatic Glacier Surface Analysis from Airborne Laser Scanning
M. Kodde, N. Pfeifer, B. Gorte, T. Geist, B. Höfle
 
221
Single-Tree Forest Inventory Using Lidar and Aerial Images for 3D Treetop Positioning, Species Recognition, Height and Crown Width Estimation
I. Korpela , B. Dahlin, H. Schäfer, E. Bruun, F. Haapaniemi, J. Honkasalo, S. Ilvesniemi, V. Kuutti, M. Linkosalmi, J. Mustonen, M. Salo, O. Suomi, H. Virtanen  
   
227
Laser Scanner Simulator for System Analysis and Algorithm Development: a Case with Forest Measurements
A. Kukko, J. Hyyppä
 
234
Road Environment Mapping System of the Finnish Geodetic Institute - FGI Roamer -
A. Kukko, C.-O. Andrei, V.-M. Salminen, H. Kaartinen, Y. Chen, P. Rönnholm, H. Hyyppä, J. Hyyppä, R. Chen, H. Haggrén, I. Kosonen, K. Čapek
 
241
Estimation of LAI Using LiDAR Remote Sensing in Forest
D.-A. Kwak, W.-K. Lee, H.-K. Cho
 
248
Deciduous-Coniferous Tree Classification Using Difference between First and Last Pulse Laser Signatures
X. Liang , J. Hyyppä, L. Matikainen
 
 253
Waveform Features for Tree Identification
P. Litkey, P. Rönnholm, J. Lumme, X. Liang
 
 258
Generating Lidar Data in Laboratory: Lidar Simulator
B. Lohani, R. K. Mishra
 
 264
Experiences and Possibilities of ALS Based Forest Inventory in Finland (Keynote)
M. Maltamo, P. Packalén, J. Peuhkurinen, A. Suvanto, A. Pesonen, J. Hyyppä
 
270
Classification Tree Based Building Detection From Laser Scanner and Aerial Image Data
L. Matikainen , H. Kaartinen, J. Hyyppä
 
280
Recovering Plot-Specific Diameter Distribution and Height-Diameter Curve Using ALS Based Stand Characteristics
L. Mehtätalo, M. Maltamo, P. Packalen
 
288
Ray Tracing for Modeling of Small Footprint Airborne Laser Scanning Returns
F. Morsdorf, O. Frey, B. Koetz, E. Meier
 
294
Utilizing Airborne Laser Intensity for Tree Species Classification
H. O. Ørka, E. Næsset, O. M. Bollandsås
 
300
Quality Analysis of 3D Road Reconstruction
S. Oude Elberink , G. Vosselman
 
305
Geometrical Aspects of Airborne and Terrestrial Laser Scanning (Keynote)
N. Pfeifer, C. Briese
 
311
Extracting Windows from Terrestrial Laser Scanning
S. Pu , G. Vosselman
 
 320
Classification of Building Damages Based on Laser Scanning Data
M. Rehor
 
326
Combined Tree Segmentation and Stem Detection Using Full Waveform Lidar Data
J. Reitberger, P. Krzystek, U. Stilla
 
332
From Point Cloud to Surface: Modeling Structures in Laser Scanner Point Clouds
P. Rodríguez Gonzálvez, D. González Aguilera, J. Gómez Lahoz
 
338
A Method of Directly Estimating Stemwood Volume from Glas Waveform Parameters
J. Rosette, P. North, J. Suárez
 
344
Using Airborne Laser-Scanner-Data in Forestry Management: a Novel Approach to Single Tree Delineation
J. Rossmann, M. Schluse, A. Bücken, P. Krahwinkler
 
350
Integration of Laser Scanning and Photogrammetry (Keynote)
P. Rönnholm, E. Honkavaara, P. Litkey, H. Hyyppä, J. Hyyppä
 
 355
An Implementation of the ASPRS LAS Standard
A. Samberg
 
363
Integrated Bundle Adjustment with Variance Component Estimation - Fusion of Terrestrial Laser Scanner Data, Panoramic and Central Perspective Image Data
D. Schneider, H.-G. Maas
 
 373
Mapping Defoliation with Lidar
S. Solberg, E. Næsset
 
379
Hierarchical Clustered Outlier Detection in Laser Scanner Point Clouds
S. Sotoodeh
 
383
Estimation of Carbon Stocks in New Zealand Planted Forests Using Airborne Scanning Lidar
P. R. Stephens, P. J. Watt, D. Loubser, A. Haywood, M. O. Kimberley
 
389
Extracting Structural Characteristics of Dormant Herbaceous Floodplain Vegetation from Airborne Laser Scanner Data
M. Straatsma, H. Middelkoop
 
395
Assessment of LiDAR-Derived Tree Heights Estimated from Different Flight Altitude Data in Mountainous Forests with Poor Laser Penetration Rates
T. Takahashi, Y. Awaya, Y. Hirata, N. Furuya, T. Sakai, A. Sakai
 
 401
Hough-Transform and Extended RANSAC Algorithms for Automatic Detection of 3D Building Roof Planes from Lidar Data
F. Tarsha-Kurdi , T. Landes, P. Grussenmeyer
 
 407
Waveform Analysis Techniques in Airborne Laser Scanning (Keynote)
W. Wagner, A. Roncat, T. Melzer, A. Ullrich
 
 413
Development of a Procedure for Vertical Structure Analysis and 3D Single Tree Extraction within Forests Based on Lidar Point Cloud
Y. Wang, H. Weinacker, B. Koch
 
 419
Terrestrial Laser Scanning Versus Traditional Forest Inventory First Results from the Polish Forests
P. Wezyk , K. Koziol, M. Glista, M. Pierzchalski
 
 424
Change Detection via Terrestrial Laser Scanning
R. Zeibak , S. Filin
 
 430
Hierarchical Watershed Segmentation of Canopy Height Model for Multi-Scale Forest Inventory
K. Zhao, S. Popescu
 
 436