搜索结果: 61-75 共查到“测绘科学技术 Quality”相关记录244条 . 查询时间(0.203 秒)
On the Quality of Automatic Relative Orientation Procedures
Sensor orientation comparative analysis accuracy assessment matching
2015/12/8
This paper presents an empirical investigation into the quality of automatic relative orientation procedures. The results of an in-house developed automatic orientation software called AURELO (Labe an...
Automated Quality Control of Digital Terrain Models
Photogrammetry DEM/DTM Error Quality Correlation
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...
The Quality Assessment and Sampling Model for the Geological Spatial Data in China
Sampling Quality assessment Geological data Geographic information ISO standards
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...
Spatial Prediction of Transport Related Urban Air Quality
Quality Statistics Pollution Environment GIS
2015/12/3
The aim of this study is to explore the relationship between, transport, land-use and air quality and mapping of air pollutants by means of spatial information sciences, which would provide useful inf...
Multi-hierarchical Quality Assessment of Geo-Spatial Data
Automation GIS Quality Road Extraction Structure Texture Updating
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
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 Inspection and Quality Improvement by Map Fusion
Data Fusion Matching Quality Inspection
2015/12/2
In this paper a new approach for quality measurement and improvement using map matching and map fusion is introduced. In the first part we describe a matching model based on “Buffer growing”. The matc...
How the Quality of Cartographic Generalization Is Assured - the Approach with an Automatic Cartographic Generalization Chain
Cartographic Generalization Generalization Knowledge Process Control
2015/12/2
As one of the key techniques in multi-representation database, GIS, mapmaking and Digital Earth, automatic cartographic generalization has been intensively researched since decades. Current developmen...
A Study of GIS-SD Based Temporal-Spatial Modeling Spatial and Temporal Patterns of Global H5N1 Outbreaks of Water Quality in Water Pollution Accidents
Temporal Spatial Simulation Pollution Decision Support Hydrology
2015/12/1
In this paper, the one-dimension river quality system dynamics model was applied to the water quality simulation, and the conceptual GIS-SD frame was constructed. Based on the component GIS and system...
Radiometric Quality and DSM Generation Analysis of CARTOSAT -1 Stereo Imagery
Accuracy DEM/DTM High resolution Matching Orientation Radiometric Quality Satellite
2015/11/24
CARTOSAT-1, launched in May 2005, is equipped with two cameras, Aft and Fore, tilted along-track by -5° and +26° respectively, allowing the acquisition of stereo data with a geometrical resolution of ...
CARTOSAT-1:Orientation,DEM and Orthorectification Quality Assesment
Photogrammetry Digital Orthorectification DEM/DTM Satellite Accuracy IRS
2015/11/24
CARTOSAT-1 is an Indian satellite – the 11th one in the IRS (Indian Remote Sensing) series designed to provide quality Earth imagery for telemetry and digital mapping. The satellite carries two panchr...
The Influence on Image Quality under Relative Calibration Accuracy
accuracy analysis calibration imagery method pushbroom remote sensing
2015/11/24
Strips can be seen in raw remote sensing images of CCD camera. The object of relative radiometric calibration is to eliminate them. This paper discusses the influence on image quality under different ...
A Contrast among Experiments in Three Low-altitude Unmanned Aerial Vehicles Photography: Security, Quality & Efficiency
Low altitude Aerial photography Photogrammetry Unmanned helicopter
2015/11/24
At present, the vast majority of photographic measurement units are in a state of "measuring" instead of "photographing". In order to combine "photographing" with "measuring" more closely, an engineer...
Research on "Beijing 1" Micro-satellite Image Quality and Land Use Classification Precision
"Beijing 1" Micro-satellite Image quality Land use Classification Precision analysis Appraise
2015/11/23
“Beijing 1” is one Micro-satellite of the international Disaster Monitoring Constellation (DMC). It was launched successfully in 2005, and has high-powered characteristic, such as high gaining data ab...
Radiometric Quality of Ultracam-X Images
Photogrammetry Calibration Reconstruction Camera Colour Image
2015/11/20
The large digital frame camera UltraCamX was introduced in 2006 by Vexcel Imaging (a Microsoft Company). This paper will give a short technical overview about the concept of the camera and more inform...