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REPROCESSING CLOSE RANGE TERRESTRIAL AND UAV PHOTOGRAMMETRIC PROJECTS WITH THE DBAT TOOLBOX FOR INDEPENDENT VERIFICATION AND QUALITY CONTROL
close range UAV bundle adjustment quality control photogrammetry software DBAT
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2018/3/6
Photogrammetry has recently seen a rapid increase in many applications, thanks to developments in computing power and algorithms. Furthermore with the democratisation of UAVs (Unmanned Aerial Vehicles...
The quality control in the Finnish land parcel identification system orthophoto production
quality control Finnish land parcel identification system orthophoto production
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2016/5/20
The quality control in the Finnish land parcel identification system orthophoto production.
AUTOMATIC RECONSTRUCED ROOF SHAPES FOR LIDAR STRIP ADJUSTMENT AND QUALITY CONTROL
LIDAR Reconstruction Adjustment Building Point Cloud Quality
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2016/2/29
In the recent years, the performance of LiDAR systems was improved by acquisition of the terrain surface with steadily increasing
point densities. However, the main error sources affecting the quali...
Research on China Western Spatial Data Quality Control and Evaluation Technique System
Spatial Data Quality Control Digital Linear Graphic Cloud Model Western Area
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2015/12/18
The national western spatial data quality check method based on entity and evaluation method based on the cloud theory and rough set have been put forward according to the National Western Surveying a...
Quality Control in Process of Establishment of NSDI
Spatial Data Infrastructure Spatial Database Interoperability Geo-Information Market
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2015/12/11
The establishment of the Croatian National Spatial Data Infrastructure has started at the beginning of the 1990's. The main agitator of the activities was the State Geodetic Administration of the Repu...
Automated Quality Control of Digital Terrain Models
Photogrammetry DEM/DTM Error Quality Correlation
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2015/12/3
The paper demonstrates modified cross-correlation methods to detect height errors of DTM points based on stereo-pairs of aerial images. The usual cross-correlation method is extended using dynamic dim...
A Progressive Quality Control to Improve the Accuracy of LIDAR Data Processing
LiDAR Quality control Accuracy analysis Strips Adjustment
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2015/11/20
Quick data acquisition using LiDAR, is a way to generate dense accurate DEM. The difference with an image recorded by a standard digital camera is that the LiDAR recorded points do not have a regular ...
Quality Control Method for Filtering in Aerial LIDAR Survey
LIDAR Filtering QC/QA map Shaded Relief Ground Point Data Original Point Data
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2015/11/20
The purpose of filtering LIDAR data is to extract the laser points which are truly reflected from the bare ground. However, the results obtained may vary since several engineers are involved in the ma...
Error Budget of LIDAR Systems and Quality Control of the Derived Point Cloud
LiDAR sensor model error analysis accuracy quality inspection
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2015/11/20
The improving capability of the direct geo-referencing technology is having a positive impact on the widespread adoption of LiDAR systems for the acquisition of dense and accurate surface models over ...
QUALITY CONTROL IN LARGE SPATIAL DATABASES MAINTAINANCE
Quality Spatial Data Data acceptance Criteria Automated Quality Control
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2015/9/28
The heart of any spatial systems is its strong reliable database. The spatial database is a complex in nature which requires special technical skills to maintain it. The discrepancies in database can ...
Operating quality control of ground machines by means of the terrestrial laserscanning system
Quality Control Machine Control System Terrestrial Laser Scanner DTM
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2015/8/25
In terms of research dealing with acceleration of technological and measuring processes during operating earth moving machines, a technological procedure of operating quality control of machines by me...
A Study on Method for Quality Control of Spatial Data in The Poyangyang Lake Area
Classification Data Floods
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2015/8/17
The Poyang Lake is the largest fresh water lake in China, of which the vast area is about 39955 km2
. The Poyang Lake Area, on the
other hand, is the place where floods often occur. In order to redu...
OBJECT-BASED CLASSIFICATION OF INTEGRATED MULTISPECTRAL AND LIDAR DATA FOR CHANGE DETECTION AND QUALITY CONTROL IN URBAN AREAS
Change Detection classification quality control multispectral LIDAR
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2015/8/3
Digital spatial data are underlying strong temporal changes. The typical approach of updating these changes is to check the data manually by superimposing them on up-to-date orthoimages from aerial or...
The National Orthophoto Program of Hungary Completed Under Strict Quality Control
Photogammetry GIS aerial triangulation
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2015/7/7
Within the frame of the European Harmonization Program of the Ministry of Agriculture and Rural Development, three nation-wide
connected projects were launched by F諱I in 2000 to be carried out during...
BRAZILIAN QUALITY CONTROL SYSTEMS FOR DIGITAL PHOTOGRAMMETRY MAPPING PRODUCTION
Photogrammetry Quality Control System Digital Photogrammetric Mapping Production Standardization
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2015/6/1
This paper discusses a quality control system developed to be applied to the digital photogrammetric process for Brazilian spatial data production. The developed quality control system is directed to ...