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A SYSTEMATIC COMPARISON OF DIRECT AND IMAGE-BASED GEOREFERENCING IN CHALLENGING URBAN AREAS
Image Sequence Stereo Mobile Mapping Direct Integrated Georeferencing Sensor Orientation
2016/7/5
Image-based mobile mapping systems enable an efficient acquisition of georeferenced image sequences, which can be used for geo-data capture in subsequent steps. In order to provide accurate measuremen...
DIRECT GEOREFERENCING OF UAV DATA BASED ON SIMPLE BUILDING STRUCTURES
image orientation structure from motion tie points building structures
2016/7/5
Unmanned Aerial Vehicle (UAV) data acquisition is more flexible compared with the more complex traditional airborne data acquisition. This advantage puts UAV platforms in a position as an alternative ...
Direct platform orientation of multisensor data acquisition systems
Sensor Integration Digital Imaging Sensors GPS INS Airborne Mapping
2016/5/23
With increased use of various new sensors in mapping such as digital cameras, multi/hyperspectral scanners,radiometers, LIDAR, SAR (IFSAR), etc; multisensor data fusion has become an extremely crucial...
ACCURACY ASSESSMENT OF DIRECT GEOREFERENCING FOR PHOTOGRAMMETRIC APPLICATIONS ON SMALL UNMANNED AERIAL PLATFORMS
Unmanned Aerial Vehicle UAV Direct Georeferencing GNSS Inertial Mapping
2016/3/25
Efficient mapping from unmanned aerial platforms cannot rely on aerial triangulation using known ground control points. The cost and time of setting ground control, added to the need for increased ove...
Texture Mapping of 3D Building Models with Oblique Direct Geo-referenced Airborne IR Image Sequences
Infrared images image sequences GPS inertial navigation 3D city models edge matching
2016/1/25
Infrared (IR)-radiation of buildings can be captured by thermal image data. Nowadays, thermal images of different parts of buildings
acquired in various scales are analysed, however conducted analysi...
LAND COVER CHANGE IN THREE SELECTED AREAS UNDER DIRECT INFLUENCE OF THE “EGNATIA” HIGHWAY,IN GREECE
Satellite Remote Sensing Land Use Digital Photogrammetry Change Detection Thematic Mapping
2015/12/23
The Egnatia highway, a modern closed motorway 670 kilometres long, is one of the largest road construction projects in Europe,running across Northern Greece. In order to record and analyze the spatial...
Comparison of Orthorectification Methods Suitable for Rapid Mapping Using Direct Georeferencing and RPC for Optical Satellite Data
Registration Orthorectification Orthoimage Direct Georeferencing Rational Polynomial Function Experience
2015/12/18
One of the first essential steps in response to a crisis event is to provide current, precise, and rapid information about the extent of the event, the affected population and infrastructure (e.g., in...
A New Web-Based Geo-Information Service Approach with Digital Measurable Image toward Direct Virtual Reality
Internet GIS Visualization Close Range Photogrammetry Coding
2015/12/17
A new web-based geo-information service approach with digital measurable image (DMI) from direct dereference system is proposed to construct the geo information infrastructures for the web service on ...
Direct Sensor-Oriented Calibration of the Projector in Coded Structured Light System
Metrology Acquisition DEM/DTM
2015/12/14
Today, close range photogrammetry is known as an accurate and automatic 3D geometric measurement method especially for 3D
point features (targets), but unfortunately it needs human supervision for 3D...
Theoretical Accuracy of Direct Georeferencing with Position and Orientation System in Aerial Photogrammetry
Aerial Photogrammetry GPS/INS Orientation Accuracy Error Algorithms
2015/11/23
According to the principle of space intersection、collinearity equations and error propagation law, mathematical models of theoretical accuracy of direct georeferencing are proposed in this paper. The ...
KOMPSAT-2 Direct Sensor Modeling and Geometric Calibration/Validation
KOMPSAT-2 Direct Sensor Modelling Geometric Calibration/Validation
2015/11/20
The KOrea Multi-Purpose Satellite-2 (KOMPSAT-2) was launched in July 2006 and the main mission of the KOMPSAT-2 is a high resolution imaging for the cartography of Korea peninsula by utilizing Multi S...
DIRECT GEOREFERENCING OF DIGITAL CAMERA IMAGES FOR STEREO PLOTTING
direct georeferencing digital aerial camera UltraCamD GPS/IMU calibration
2015/9/17
In the years of 2004 to 2006, the Portuguese authority for forestry, the Direcção Geral dos Recursos Florestais (DGRF) ordered a digital photo flight over the whole country. The images, acqu...
Develop Direct Geo-referencing System Based on Open Source Software and Hardware Platform
Direct Geo-Referencing System Arduino Open Source
2015/9/11
Direct geo-referencing system uses the technology of remote sensing to quickly grasp images, GPS tracks, and camera
position. These data allows the construction of large volumes of images with geogra...
THE DIRECT GEOREFERENCING APPLICATION AND PERFORMANCE ANALYSIS OF UAV HELICOPTER IN GCP-FREE AREA
GeoSat Informatics Technology Corporation National Cheng Kung University The University of Calgary Purdue University
2015/9/10
There are many disasters happened because the weather changes extremely in these years. To facilitate applications such as environment detection or monitoring becomes very important. Therefore, the de...
DIRECT GEOREFERENCING ON SMALL UNMANNED AERIAL PLATFORMS FOR IMPROVED RELIABILITY AND ACCURACY OF MAPPING WITHOUT THE NEED FOR GROUND CONTROL POINTS
Unmanned Aerial Vehicle UAV Direct Georeferencing GNSS Inertial Mapping Photogrammetry
2015/9/10
This paper presents results from a Direct Mapping Solution (DMS) comprised of an Applanix APX-15 UAV GNSS-Inertial system integrated with a Sony a7R camera to produce highly accurate ortho-rectified i...