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AUTOMATIC MEASUREMENT OF SEWER MAN-HOLES IN LARGE SCALE AERIAL IMAGES
Aerial image automatic measurement coal mining digital photogrammetry
2014/12/30
The geometric changes of the surface (subsidence and horizontal displacement) caused by coal mining can be determined by photogrammetry with a sufficient accuracy. As long time stable targets sewer ma...
AERIAL TRIANGULATION DATA ACQUISITION USING A LOW COST DIGITAL PHOTOGRAMMETRIC SYSTEM
Aerial triangulation Automation Data acquisition
2014/12/30
Low Cost Digital Photogrammetric Systems (LC-DPS) are based on modular hardware and software, which fulfil standard map production requirements at a reasonable cost and offer most of the advantages of...
Experiences with Light Weight Fixed Wing Aerial Mapping UAVs
UAV/UAS/RPAS aerial mapping sensor platform
2014/12/4
UAVs seem to be the next "cloud" like topic, not only in geomatics. Unmanned Airborne Vehicles are not a wonder-tool, but a complementary approach to resolve some tasks more efficiently than before or...
The influence of the in situ camera calibration for direct georeferencing of aerial imagery
Direct Georeferencing GNSS INS In Situ Calibration Photogrammetry
2014/12/4
The direct determination of exterior orientation parameters (EOPs) of aerial images via GNSS/INS technologies is an essential prerequisite in photogrammetric mapping nowadays. Although direct sensor o...
Automatic geolocation of targets tracked by aerial imaging platforms using satellite imagery
Geolocation UAV Image registration Surveillance Target tracking
2014/12/4
Tracking of targets from aerial platforms is an important activity in several applications, especially surveillance. Knowled ge of geolocation of these targets adds additional significant and useful i...
Performance Validation of High Resolution Digital Surface Models Generated by Dense Image Matching with the Aerial Images
Performance Analyses DSM Image Matching Photogrammetry
2014/12/4
The digital surface models (DSM) are the most popular products to determine visible surface of Earth which includes all non-terrain objects such as vegetation, forest, and man-made constructions. The ...
A supervised method for object-based 3D building change detection on aerial stereo images
Change detection Aerial images Digital Surface Models Support Vector Machine
2014/9/9
There is a great demand for studying the changes of buildings over time. The current trend for building change detection combines the orthophoto and DSM (Digital Surface Models). The pixel-based chang...
AERIAL TERRAIN MAPPING USING UNMANNED AERIAL VEHICLE APPROACH
Mapping Analysis Camera Accuracy Aerial Photogrammetry
2014/4/29
This paper looks into the latest achievement in the low-cost Unmanned Aerial Vehicle (UAV) technology in their capacity to map the semi-development areas. The objectives of this study are to establish...
OBJECT BASED CHANGE DETECTION OF HISTORICAL AERIAL PHOTOGRAPHS REVEALS ALTITUDINAL FOREST EXPANSION
High Resolution Forest Temporal Change Detection Soil
2015/11/16
Object based image classification is applied to assess the upward advance of tree species in Finnish Lapland caused by the current
global warming. An automated Feature Extraction Module (Fx) impleme...