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GENERATION OF GIGAPIXEL ORTHOPHOTO FOR THE MAINTENANCE OF COMPLEX BUILDINGS. CHALLENGES AND LESSON LEARNT
Photogrammetry orthophoto architecture modelling Cultural Heritage 3D survey
2019/3/4
This study is part of the “Milan Cathedral Survey project”. It is a three years long research project with the aim of surveying the entire cathedral in 3D with different techniques (mainly photogramme...
HYBRID MODELING BASED ON SCSG-BR AND ORTHOPHOTO
Urban building Three-dimensional modelling Spatial structure solid geometry (SCSG) Boundary representation (BR) Orthophoto
2018/5/17
With the development of digital city, digital applications are more and more widespread, while the urban buildings are more complex. Therefore, establishing an effective data model is the key to expre...
RESEARCH ON HORIZONTAL ACCURACY METHOD OF HIGH SPATIAL RESOLUTION REMOTELY SENSED ORTHOPHOTO IMAGE
Horizontal Accuracy Orthophoto Image Qualitty Inspection Testing Point
2018/5/16
At present, in the inspection and acceptance of high spatial resolution remotly sensed orthophoto image, the horizontal accuracy detection is testing and evaluating the accuracy of images, which mostl...
EXTRACTION OF BUILDING ROOF EDGES FROM LIDAR DATA TO OPTIMIZE THE DIGITAL SURFACE MODEL FOR TRUE ORTHOPHOTO GENERATION
LiDAR Aerial photos Edge Detection DSM True Orthophoto
2018/6/5
Various kinds of urban applications require true orthophotos. True orthophoto generation requires a DSM (Digital Surface Model) to project the photo orthogonally and minimize geometric distortion due ...
FEATURE ORIENTATION AND POSITIONAL ACCURACY ASSESSMENT OF DIGITAL ORTHOPHOTO AND LINE MAP FOR LARGE SCALE MAPPING: THE CASE STUDY ON BAHIR DAR TOWN, ETHIOPIA
Orthophoto Line map GPS data Positional Orientation Accuracy
2017/7/12
This study used in-situ GPS data to validate the accuracy of horizontal coordinates and orientation of linear features of orthophoto and line map for Bahir Dar city. GPS data is processed using GAMIT/...
HIGH SCALE 3D MODELLING AND ORTHOPHOTO OF CURVED MASONRIES FOR A MULTIPURPOSE REPRESENTATION, ANALYSIS AND ASSESSMENT
3D photogrammetry Cultural Heritage documentation vertical structures orthoimage surface development deterioration pathologies mapping
2017/6/20
It is important nowadays to underline some relevant topics concerning the effective contribution of 3D high detailed products derived from innovation and integration of Geomatics technologies, allowin...
PUBLISHING PLATFORM FOR AERIAL ORTHOPHOTO MAPS, THE COMPLETE STACK
drone eBee aerial photos evaluation surface situation map engineering networks road register publishing map application stack cloud
2016/11/8
When creating set of orthophoto maps from mosaic compositions, using airborne systems, such as popular drones, we need to publish results of the work to users. Several steps need to be performed in or...
DESIGN AND CONSTRUCTION OF MASSIVE DIGITAL ORTHOPHOTO MAP DATABASE IN CHINA
Digital Orthophoto Map DOM Image Massive data Database Design Construction
2016/11/8
Digital orthophoto maps have great advantages of high precision, plentiful information, fine intuition and visualization and convenient acquisition, as one of the most important part of national spati...
PREPARATION OF THE DIGITAL ELEVATION MODEL FOR ORTHOPHOTO CR PRODUCTION
Airborne Laser Scanning Digital Elevation Model Orthorectification Surface Modelling True Orthophoto
2016/7/27
The Orthophoto CR is produced in co-operation with the Land Survey Office and the Military Geographical and Hydrometeorological Office. The product serves to ensure a defence of the state, integrated ...
Operational procedure for automatic true orthophoto generation
True Orthophotography Automatic Optimal Seaming Automated Mosaicking
2016/5/23
Orthophoto imagery is a valuable layer in a GIS because it provides a generic, inexpensive, and accurate base map.However, in cities with tall buildings it is difficult to create a seamless database o...
Digital aerial triangulation for DTM and orthophoto generation
Digital aerial triangulation DTM orthophoto generation
2016/5/20
Automatic Digital Aerial Triangulation has been implemented at the Institute of Geodesy and Cartography in 1997 on the ImageStation 6487 INTERGRAPH. Several blocks of B/W aerial photographs in the sca...
The quality control in the Finnish land parcel identification system orthophoto production
quality control Finnish land parcel identification system orthophoto production
2016/5/20
The quality control in the Finnish land parcel identification system orthophoto production.
ISO 5725-2 Standard Application to Verification of Orthophoto-Based Impervious Surface Area and Imperviousness Factor Determination
Imperviousness Factor Photointerpretation Accuracy IKONOS Airborne Ortophotomap
2015/12/18
The main aim of the research described in the paper was analyse the accuracy of photointerpretation of impervious surface using IKONOS images and its influence on the imperviousness factor determinati...
A Simpler Method for Large Scale Digital Orthophoto Production
Orthophotography Point Cloud Terrestrial Laser Scanning
2015/12/16
Digital orthophotography has been a powerful tool for large scale geometric documentation of monuments for over a decade.
However, several factors prevent the smooth implementation of commercially av...
THE ASSESSMENT OF ORTHOPHOTO QUALITY WITH RESPECT TO THE STRUCTURE OF DIGITAL ELEVATION MODEL
Orthophoto height displacement orthophoto elongation Orthophoto precision Orthophoto quality DEM structure
2016/1/15
Orthophoto is an image which is being corrected geometrically so each object has to be situated on the corrected place consequently. Choosing the best DEM structure with respect to the area topographi...