搜索结果: 1-15 共查到“测绘科学技术 improving”相关记录42条 . 查询时间(0.043 秒)
IMPROVING PATH QUERY PERFORMANCE IN PGROUTING USING A MAP GENERALIZATION APPROACH
pgRouting Road Networks Skeletal Model Skeleton Shortest Path Map Generalization Zones Path Computation
2018/11/8
pgRouting library provides functions to compute shortest path between any two points of a road network which is of great demand and also a topic of interest in the field of GIS, graph theory and trans...
IMPROVING UNDERWATER ACCURACY BY EMPIRICAL WEIGHTING OF IMAGE OBSERVATIONS
underwater photogrammetry, image quality, bundle adjustment, image observation weighting
2018/6/4
An underwater imaging system with camera and lens behind a flat port does not behave as a standard pinhole camera with additional parameters. Indeed, whenever the entrance pupil of the lens is not in ...
IMPROVING SPHERICAL PHOTOGRAMMETRY USING 360° OMNI-CAMERAS: USE CASES AND NEW APPLICATIONS
Spherical Photogrammetry Equirectangular Panoramas 360° omni-camera Architectural Heritage Dissemination
2018/6/4
During the last few years, there has been a growing exploitation of consumer-grade cameras allowing one to capture 360° images. Each device has different features and the choice should be entrusted on...
IMPROVING IMAGE MATCHING BY REDUCING SURFACE REFLECTIONS USING POLARISING FILTER TECHNIQUES
polarising filter camera calibration image matching endoscopy accuracy completeness
2018/6/4
In dense stereo matching applications surface reflections may lead to incorrect measurements and blunders in the resulting point cloud. To overcome the problem of disturbing reflexions polarising filt...
IMPROVING GLOBALlAND30 ARTIFICIAL TYPE EXTRACTION ACCURACY IN LOW-DENSITY RESIDENTS
GlobalLand 30 TM Low-density residents nighttime light remote sensing image TM6 TR-NDBI
2016/12/1
GlobalLand 30 is the first 30m resolution land cover product in the world. It covers the area within 80°N and 80°S. There are ten classes including artificial cover, water bodies, woodland, lawn, bare...
EXPLORING REGULARITIES FOR IMPROVING FAÇADE RECONSTRUCTION FROM POINT CLOUDS
Terrestrial LiDAR point clouds Regularities Windows Features Hierarchical clustering ICP Chain
2016/11/11
(Semi)-automatic facade reconstruction from terrestrial LiDAR point clouds is often affected by both quality of point cloud itself and imperfectness of object recognition algorithms. In this paper, we...
VISA: AN AUTOMATIC AWARE AND VISUAL AIDS MECHANISM FOR IMPROVING THE CORRECT USE OF GEOSPATIAL DATA
Interface design Visualization Metadata
2016/7/8
With the fast growth of internet-based sharing mechanism and OpenGIS technology, users nowadays enjoy the luxury to quickly locate and access a variety of geospatial data for the tasks at hands. While...
IMPROVING SEMI-GLOBAL MATCHING: COST AGGREGATION AND CONFIDENCE MEASURE
Dense Matching Digital Elevation Model Stereo Benchmark Accuracy
2016/7/4
Digital elevation models are one of the basic products that can be generated from remotely sensed imagery. The Semi Global Matching (SGM) algorithm is a robust and practical algorithm for dense image ...
IMPROVING 2D CHANGE DETECTION BY USING AVAILABLE 3D DATA
Remote Sensing Change Detection Updating Segmentation 3D Object Oriented
2015/12/31
Change detection with very high resolution imagery is difficult, because 3D objects as buildings appear differently in 2D imagery due to varying viewing angles and sun positions. This research propose...
IMPROVING CLASSIFICATION ACCURACY VIA CONTEXTUAL FEATURE RANKING IN HIGH SPATIAL RESOLUTION SATELLITE IMAGERY
High Spatial Resolution Classification Texture Quantization Feature Ranking SVM
2015/12/31
Texture quantization is a useful method for extraction spatial relevance between pixels which is used in humane brain for image interpreting. Beside the spectral bands textural features of high spatia...
IMPROVING HYPERSPECTRAL CLASSIFICATION BASED ONWAVELET DECOMPOSITION
Remote Sensing Hyperspectral Classification Calibration Analysis Data mining
2015/12/31
Information extraction from Hyperspectral imagery is highly affected by difficulties in accounting for flux density variation and Bidirectional reflectance effects. Calculation of flux density require...
IMPROVING THE PERFORMANCE OF HYPERSPECTRAL PUSHBROOM IMAGING SPECTROMETERS FOR SPECIFIC SCIENCE APPLICATIONS
Hyperspectral Spectral Binning CCD Pushbroom
2015/12/30
Hyperspectral imaging spectrometers offer the unique chance of recording image data of a broad range of targets in the reflected solar energy spectrum. These instruments are designed upon certain requ...
Improving Land Value Information Process Through the Use of Geo-Information Technology
Mobile GIS Cadastre Visualization Object-oriented data model Data Integration
2015/12/17
Land is a basic resource for wealth creation, and on it activities of man take place. Efficient information on land is a good foundation for wealth generation and national development. Land valuation ...
Improving and Extending the Information on Principal Component Analysis for Local Neighborhoods in 3D Point Clouds
Laser Scanning Point clouds Curvature Approximation
2015/12/16
Principal Component Analysis (PCA) is often utilised in point cloud processing as provides an efficient method to approximate local
point properties through the examination of the local neighbourhood...
Improving Satellite Quickbird-Based Identification Of Landscape Archaeological Features Through Principal Component Analysis And Tasseled Cap Transformation
Remote Sensing Archaeology QuickBird Satellite High resolution
2015/11/12
In this paper, the Tasseled Cap Transformation (TCT) was applied to QuickBird multispectral images for extracting archaeological features linked to ancient human transformations of the landscape. The ...