Current PE&RS Cover
PE&RS September 2005
VOLUME 71, NUMBER 9PHOTOGRAMMETRIC ENGINEERING & REMOTE SENSING
JOURNAL OF THE AMERICAN SOCIETY FOR PHOTOGRAMMETRY AND REMOTE SENSING
Cover Image
Lidar datasets of Merrill Field Airport in Anchorage, Alaska. These dense, highly accurate 3D models are generated from data collected by two Optech lidar solutions: the ALTM Airborne Laser Terrain Mapper, and the ILRIS-36D laser scanner. Large-scale coverage is obtained by ALTM, which operates from a helicopter or airplane at altitudes ranging from 80 m to 3,500 m. Datasets produced by ALTM feature vertical accuracies as high as 5 cm. Close-range coverage is obtained by the tripod-mounted ILRIS-36D scanner, which features a dynamic scanning range of 3 m to beyond 1 km. With modelling accuracies as high as 3 mm, ILRIS-36D captures the fine details quickly, safely and accurately. The data collected by these systems stands on its own, but can also be combined in post-processing to produce incredibly high-resolution, dimensionally accurate 3D models. See the Highlight article on page 1001 for more information.
For more information visit www.optech.ca or e-mail us fusion@optech.ca.
Highlight Article
1001 Case Study: Merging
Airborne and Ground-based Lidar Data (Adobe PDF 453Kb)
Albert Iavarone
Columns & Updates
1005 Grids and Datums — Republic of Turkey (Adobe PDF 77Kb)
1013 ASPRS Concludes Key Membership Study (Adobe PDF 95Kb)
1018 Feature/Highlight Articles Requested for
PE&RS (Adobe PDF 59Kb)
1019 Headquarters News — ASPRS Names Three
New Members to the ASPRS Foundation
Board of Trustees (Adobe PDF 69Kb)
1021 Region News — ASPRS Central Region Hosts “Tech Session”
1018 Industry News
Peer-Reviewed Articles (Click the linked titles to see the full abstract)
1029 Sensitivity of Digital Landscapes to Artifact
Depressions in Remotely-Sensed DEMs
John B. Lindsay and Irena F. Creed
The effectiveness of inadequate representation of surfaces by grids and random errors in elevations to cause artifact depressions in digital elevation models of a range of landscape types is quantified.
1037 Image Misregistration Error in Change
Measurements
Hongqing Wang and Erle C. Ellis
The effect of image misregistration on feature-based change measurements.
1045 Detecting Chlorophyll-a in Lake Garda Using
TOA MERIS Radiances
Claudia Giardino, Gabriele Candiani, and Eugenio Zilioli
The performance of MIRIS as a tool for estimating Chlorophyll-a concentrations in freshwater evaluated using simulated and measured Top of Atmosphere radiances and high-resolution ground truth data.
1053 Lag and Seasonality Considerations in
Evaluating AVHRR NDVI Response to
Precipitation
Lei Ji and Albert J. Peters
AVHRR NDVI Response to Precipitation in the northern and central Great Plains was evaluated using statistical time series models that account for time lag and seasonality effects.
1063 Triangulation of Well-Defined Points as a
Constraint for Reliable Image Matching
Qing Zhu, Jie Zhao, Hui Lin, and Jianya
Gong
The reliability and accuracy of stereo image matching are improved by making use of the triangulation of well-defined points as a constraint.
1071 Effects of Forest Environment and Survey
Protocol on GPS Accuracy
Christian Piedallu and Jean-Claude Gégout
A study of GPS positioning in forest conditions with various equipment and field protocols assessing theimportance of each factor on accuracy.
1079 Cloud-Free Satellite Image Mosaics with
Regression Trees and Histogram Matching
E. H. Helmer and B. Ruefenacht
A new Strategy for developing cloud-free satellite image mosaics over persistently cloudy regions enables fast urban change detection in a tropical landscape.
Announcements
1004 PE&RS Special Issue Call for Papers —“ Cloud-prone
and Rainy areas Remote Sensing (CARRS)”
1009 Pecora 16 — Global
Priorities in Land Remote Sensing
1021 PE&RS Special Issue Call for Papers— Forestry
Lidar Applications
Departments
1019 Region of the Month
1020 New Member List
1020 Certification List
1025 Who’s Who in ASPRS
1026 Sustaining Member Listing
1028 New Sustaining Member
1028 Advertiser Index
1052 Instructions
to Authors
1062 Forthcoming Articles
1070 Calendar
1090 Classifieds
1091 Bookstore
1096 Professional Directory
1099 Membership Application
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