搜索结果: 1-15 共查到“测绘科学技术 Quality”相关记录244条 . 查询时间(0.195 秒)
QUALITY FEATURES FOR THE INTEGRATION OF TERRESTRIAL AND UAV IMAGES
photogrammetry data fusion terrestrial images UAV
2019/3/1
The paper presents an innovative approach for improving the orientation results when terrestrial and UAV images are jointly processed. With the existing approaches, the processing of images coming fro...
THE QUALITY OF OPENSTREETMAP IN MALAYSIA: A PRELIMINARY ASSESSMENT
Volunteered Geographic Information OpenStreetMap Spatial Data Quality Data Accuracy Collaborative Mapping
2018/11/9
Over recent years, the phenomena, Web 2.0 has led to the growth of volunteered geographic information (VGI). The emergence of VGI has played an important role in providing timely data when the costs a...
ANALYSIS OF THE IMAGE QUALITY OF NO GROUND CONTROLLED POSITIONING PRECISION ABOUT SURVEYING AND MAPPING SATELLITE
Positioning accuracy Modulation Transfer Function Signal to Noise Ratio Quantization Bits degradation data
2018/5/15
The image quality of the surveying camera will affect the stereoscopic positioning accuracy of the remote sensing satellite. The key factors closely related to the image quality are Modulation Transfe...
QUALITY INSPECTION AND ANALYSIS OF THREE-DIMENSIONAL GEOGRAPHIC INFORMATION MODEL BASED ON OBLIQUE PHOTOGRAMMETRY
Oblique Photogrammetry Three-Dimensional Geographic Information Model Quality Inspection, Basic Principles Technical Features Common Problems
2018/5/11
In order to promote the construction of digital geo-spatial framework in China and accelerate the construction of informatization mapping system, three-dimensional geographic information model emerged...
REMOTE SENSING IMAGE QUALITY ASSESSMENT EXPERIMENT WITH POST-PROCESSING
Remote Sensing Image Quality Assessment Post-processing Experiment
2018/5/14
This paper briefly describes the post-processing influence assessment experiment, the experiment includes three steps: the physical simulation, image processing, and image quality assessment. The phys...
DESIGN AND ESTABLISHMENT OF QUALITY MODEL OF FUNDAMENTAL GEOGRAPHIC INFORMATION DATABASE
Fundamental Geographic Information Database Database Management System(DBMS) Quality Model Quality Evaluation
2018/5/15
In order to make the quality evaluation for the Fundamental Geographic Information Databases(FGIDB) more comprehensive, objective and accurate, this paper studies and establishes a quality model of FG...
EVALUATION OF PHOTOGRAMMETRIC BLOCK ORIENTATION USING QUALITY DESCRIPTORS FROM STATISTICALLY FILTERED TIE POINTS
Close range Photogrammetry Block orientation Tie points extraction Open source Data quality assessment
2018/6/4
Due to the increasing number of low-cost sensors, widely accessible on the market, and because of the supposed granted correctness of the semi-automatic workflow for 3D reconstruction, highly implemen...
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
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...
SCAN-TO-BIM OUTPUT VALIDATION: TOWARDS A STANDARDIZED GEOMETRIC QUALITY ASSESSMENT OF BUILDING INFORMATION MODELS BASED ON POINT CLOUDS
geometric quality assessment scan-to-BIM standardization Building Information Modeling point clouds
2018/3/5
The use of Building Information Modeling (BIM) for existing buildings based on point clouds is increasing. Standardized geometric quality assessment of the BIMs is needed to make them more reliable an...
HIGH-QUALITY 3D MODELS AND THEIR USE IN A CULTURAL HERITAGE CONSERVATION PROJECT
Glazed terracotta Photogrammetry Orthophoto Mesh Model Virtual restoration
2017/8/31
Cultural heritage digitization and 3D modelling processes are mainly based on laser scanning and digital photogrammetry techniques to produce complete, detailed and photorealistic three-dimensional su...
ISSDQ is an important event in the field of spatial data quality, it has been successfully held nine research conferences every two years since 1999. ISSDQ 2017 will take place in Wuhan, Hubei, China,...
The 10th International Symposium on Spatial Data Quality
The 10th International Symposium Spatial Data Quality
2017/3/10
ISSDQ is an important event in the field of spatial data quality, it has been successfully held nine research conferences every two years since 1999. ISSDQ 2017 will take place in Wuhan, Hubei, China,...
UTILIZATION OF LANDSAT DATA FOR WATER QUALITY OBSERVATION IN SMALL INLAND WATER BODIES
Landsat cloud cover temporal resolution data gap water quality
2016/11/30
Many studies deal with water quality evaluation using remotely sensed data. In the field of remote sensing, there have been proposed several procedures how to observe selected parameters of water qual...
3D DIGITIZATION OF AN HERITAGE MASTERPIECE - A CRITICAL ANALYSIS ON QUALITY ASSESSMENT
Accuracy Photogrammetry Laser scanning Deformation analysis Camera Network ICP
2016/11/11
Despite being perceived as interchangeable when properly applied, close-range photogrammetry and range imaging have both their pros and limitations that can be overcome using suitable procedures. Even...
QUALITY ASSESSMENT AND COMPARISON OF SMARTPHONE AND LEICA C10 LASER SCANNER BASED POINT CLOUDS
3D City Models Point Clouds Terrestrial Laser Scanning (TLS) Structure from Motion (SfM) Multi-view Photogrammetry Low-cost sensors
2016/11/11
3D urban models are valuable for urban map generation, environment monitoring, safety planning and educational purposes. For 3D measurement of urban structures, generally airborne laser scanning senso...