INTERNATIONAL SOCIETY OF PHOTOGRAMMETRY AND REMOTE SENSING
INTERNATIONALE GESELLSCHAFT FÜR PHOTOGRAMMETRIE UND FERNERKUNDUNG
SOCIETE INTERNATIONALE DE PHOTOGRAMMETRIE ET DE TELEDETECTION




Proceedings of the ISPRS Workshop

LAND SURFACE MAPPING AND CHARACTERIZATION
USING LASER ALTIMETRY

22ND TO 24TH OCTOBER 2001
ANNAPOLIS, MARYLAND

ORGANIZED AND SPONSORED BY
ISPRS WG III/3: 3D Reconstruction from airborne laser scanner and InSAR data
ISPRS WG III/6: Multi-source vision
The Vegetation Canopy Lidar (VCL) Project, University of Maryland, College Park, USA
Airborne 1 Corporation, Los Angeles, CA, USA
The Ohio State University, Columbus, OH, USA
NASA Goddard Space Flight Center, Greenbelt, MD, USA

INTERNATIONAL ARCHIVES OF PHOTOGRAMMETRY,
REMOTE SENSING AND SPATIAL INFORMATION SCIENCES
VOLUME XXXIV-3/W4

Editor
Michelle A. Hofton

Session 1: SYSTEM OVERVIEWS
Lidar Activities and Research Priorities in the Commercial Sector
M. Flood 
Design and Performance of an Airborne Multikilohertz Photon-Counting Microlaser Altimeter
J. Degnan, J. McGarry, T. Zagwodzki, P. Dabney, J. Geiger, R. Chabot, C. Steggerda, J. Marzouk and A. Chu
Wide-Swath Imaging Lidar Development for Airborne and Spaceborne Applications
J.B. Blair, M.A. Hofton and S. Luthcke

Session 2: SURFACE RECONSTRUCTION I
Advanced DTM Generation from Lidar Data
K. Kraus and N. Pfeifer 
Creation of High Resolution, Precise Digital Elevation Models (DEM) of Ocean City and Assateague Island, MD
B. Csathó, Y.-R. Lee, T. Schenk, W. Krabill, and J. McGarry 
3D Building Model Reconstruction from Point Clouds and Ground Plans
G. Vosselman 
Scanline Forced Delauney-TENs for Surface Representation
E. Verbree and P.J. van Oosterom
On the Use of Pulse Reflectance Data for Laserscanner Strip Adjustment
H.-G. Maas 
3D Perceptual Organization From Laser Altimetry Data
I. Lee and T. Schenk 
Comparing Probabilistic and Geometric Models on Lidar Data
R. Fraile and S. Maybank 

Session 3: DATA GEOLOCATION
Aspects of Processing Extra-terrestrial Lidar Data: Clementine, NEAR, MOLA
G. A. Neumann 
Spaceborne laser Altimeter Instrument Parameter Calibration from Integrated Residual Analysis
S. Luthcke, D. Rowlands and C. Carabajal
Recovery of Systematic Biases in Laser Altimeters Using Natural Surfaces
S. Filin 

Session 4: DATA FUSION
Integration of Lidar and Landsat ETM Data
A. T. Hudak, M. A. Lefsky, and W. B. Cohen 
High Resolution Surface Geometry and Albedo by Combining Laser Altimetry and Visible Images
R. D. Morris, U. von Toussaint and P. C. Cheeseman 
Accuracy Study of Airborne Laser Scanning Data with Photogrammetry
T. Schenk, S. Seo, and B. Csathó

Session 5: DATA MODELING
Modeling Lidar Waveforms Using a Radiative Transfer Model
B. Peterson, W. Ni, B. Blair, M. Hofton, P. Hyde, and R. Dubayah 
Evaluation of Geoscience Laser Altimeter System (GLAS) Waveforms For Vegetated Landscapes Using Airborne Laser Altimeter Scanning Data
C. C. Carabajal and D. J. Harding

Session 6: FORESTRY APPLICATIONS
Measuring Forest Canopy Height Using a Combination of Lidar and Aerial Photography Data
B. A. St-Onge and N. Achaichia 
Investigation of Measuring Accuracy of Forest Area by Means of Airborne Laser Scanner
M. Funahashi, M. Setojima, Y. Akamatsu, Y. Imai, M. Amano, T. Katsuki, M. Takahashi, and M. Fukuda
Relationships Between Lidar Metrics and Above-Ground Biomass in Closed-Canopy Neotropical Forests (invited)
J. Drake, R. Dubayah, R. Knox, and R. Condit 
Lidar Remote Sensing of Aboveground Biomass in Three Biomes
M. A. Lefsky, W. B. Cohen, D. J. Harding, G. G. Parker, S. A. Acker, and S. T. Gower

Session 7: MAPPING GEOSURFICIAL PROCESSES
Laser Monitoring of Ice Elevations and Sea-Ice Thickness in Greenland
R. Forsberg, K. Keller and S. M. Jacobsen 
Quantifying River Bank Erosion With Scanning Laser Altimetry
D. Thoma, S. C. Gupta and M. E. Bauer
Mapping the Surface of Sheet Flow Water in the Everglades 
W. E. Carter, R. L. Shrestha, D. Bloomquist, and M. Sartori 
Laser Pulse Correlation: A Method For Detecting Subtle Topographic Change Using Lidar Return Waveforms
M. Hofton and J. B. Blair 
Precise Airborne lidar surveying for Coastal Research and Geo-Hazards Applications
R. Gutierrez, J. Gibeaut, R. Smyth, T. Hepner, J. Andrews, C. Weed, W. Gutelius, and M. Mastin

Session 8: SURFACE RECONSTRUCTION II
Digital Terrain Models in dense urban areas
F. Dell’Acqua, and P. Gamba 
Filtering of Laser Altimetry Data Using a Slope Adaptive Filter
G. Sithole
Some Algorithms for Virtual Deforestation (VDF) of LIDAR Topographic Survey Data
R. A. Haugerud and D. J. Harding 
Terrain Modelling and Analysis Using Laser Scanner Data
M. Elmqvist, E. Jungert, F. Lantz, Å. Persson, and U. Söderman
Airborne Laser Scanning – Clustering in Raw Data
M. Roggero