搜索结果: 1-15 共查到“测绘科学技术 quality assessment”相关记录53条 . 查询时间(0.211 秒)
REMOTE SENSING IMAGE QUALITY ASSESSMENT EXPERIMENT WITH POST-PROCESSING
Remote Sensing Image Quality Assessment Post-processing Experiment
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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...
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
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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...
3D DIGITIZATION OF AN HERITAGE MASTERPIECE - A CRITICAL ANALYSIS ON QUALITY ASSESSMENT
Accuracy Photogrammetry Laser scanning Deformation analysis Camera Network ICP
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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
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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...
NO-REFERENCE IMAGE QUALITY ASSESSMENT FOR ZY3 IMAGERY IN URBAN AREAS USING STATISTICAL MODEL
Image quality assessment Statistical model Generalized Gaussian distribution (GGD) High-resolution remote sensing images Urban area ZY3
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2016/7/28
More and more high-spatial resolution satellite images are produced with the improvement of satellite technology. However, the quality of images is not always satisfactory for application. Due to the ...
GEOMETRIC QUALITY ASSESSMENT OF LIDAR DATA BASED ON SWATH OVERLAP
Lidar Quality Geometry Relative Accuracy
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2016/7/4
This paper provides guidelines on quantifying the relative horizontal and vertical errors observed between conjugate features in the overlapping regions of lidar data. The quantification of these erro...
Further Investigations on Segmentation Quality Assessment for Remote Sensing Applications
segmentation accuracy assessment discrepancy method segment boundary boundary delineation VHR segmentbased
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2016/1/25
Object-oriented or segment-based classification approaches for remote sensing applications integrate not only the spectral signature but
also shape and topological characteristics of segments. To use...
Orthoserv – Quality Assessment for Orthorectified and Co-registered Satellite Image Products
Photogrammetry Remote Sensing Orthorectification Registration Quality
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2016/1/25
Service providers of satellite imagery provide large quantities of orthorectified and co-registered products. The customer usually has
no means of checking the quality of the product that he receive...
Towards In-Flight Quality Assessment of Airborne Laser Scanning
LIDAR Real-time Georeferencing
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2015/12/17
One of the main problems of today’s ALS is the lack of reliable data quality assessment within or shortly after the airborne survey
campaign. The paper presents an in-flight quality monitoring tool t...
Quality Assessment for Multi-Sensor Multi-Date Image Fusion
Image Processing Sharpening Image Understanding Fusion Environmental Monitoring Colour
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2015/12/16
Generally, image fusion methods are classified into three levels: pixel level (iconic), feature level (symbolic) and knowledge or decision level. In this paper we focus on iconic techniques for image ...
The Quality Assessment and Sampling Model for the Geological Spatial Data in China
Sampling Quality assessment Geological data Geographic information ISO standards
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2015/12/3
The sampling inspection model proposed by this paper is the key for the quality inspection and assessment of geological data, which is based on the present standards, research findings, and the qualit...
Multi-hierarchical Quality Assessment of Geo-Spatial Data
Automation GIS Quality Road Extraction Structure Texture Updating
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2015/12/3
In this paper we describe the analysis framework system GEOAIDA with view of an application for a versatile and efficient quality assessment of geodata. GEOAIDA allows to develop image analysis ...
Quality Assessment of 3D Building Data by 3D Surface Matching
Data quality Quality measures 3D building surface matching Co-registration Point cloud
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2015/12/3
This is a cooperative work between the Chair of Photogrammetry and Remote Sensing of ETH Zurich and the Research department of Ordnance Survey, called “Quality Assessment of 3D Building Data”. The pro...
QUALITY ASSESSMENT FOR POLYGON GENERALIZATION
generalization polygon data quality assessment
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2015/9/28
Different methods for map generalization have been developed. However, there are only a few publications that discuss the automatic quality assessment of generalized maps. This problem becomes crucial...
Quality Assessment in Spatial Clustering of Data Mining
Spatial Data Mining Quality Assessment Clustering Compactness Separation
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2015/9/28
Because of the use of computers and its advances in scientific data handling and advancement of various geo and space borne sensors, we are now faced with a large amount of data. Therefore, the develo...