搜索结果: 1-15 共查到“测绘科学技术 automatic extraction”相关记录31条 . 查询时间(0.154 秒)
AUTOMATIC EXTRACTION OF URBAN BUILT-UP AREA BASED ON OBJECT-ORIENTED METHOD AND REMOTE SENSING DATA
Urban built-up area Construction land Object-oriented method Remote sensing Automatic extraction
2018/5/14
Built-up area marks the use of city construction land in the different periods of the development, the accurate extraction is the key to the studies of the changes of urban expansion. This paper studi...
AUTOMATIC EXTRACTION OF MANGROVE VEGETATION FROM OPTICAL SATELLITE DATA
Mangroves LISS Landsat 8 segmentation pixel value gabor filtering Otsus method
2016/11/30
Mangrove, the intertidal halophytic vegetation, are one of the most significant and diverse ecosystem in the world. They protect the coast from sea erosion and other natural disasters like tsunami and...
AUTOMATIC EXTRACTION OF BUILDING OUTLINE FROM HIGH RESOLUTION AERIAL IMAGERY
Point Cloud Extraction Building Image Outline Automation
2016/7/27
In this paper, a new approach for automated extraction of building boundary from high resolution imagery is proposed. The proposed approach uses both geometric and spectral properties of a building to...
AUTOMATIC EXTRACTION AND REGULARIZATION OF BUILDING OUTLINES FROM AIRBORNE LIDAR POINT CLOUDS
Buildings Outlines Algorithm LiDAR Extraction Regularization
2016/7/27
Building outlines are needed for various applications like urban planning, 3D city modelling and updating cadaster. Their automatic reconstruction, e.g. from airborne laser scanning data, as regulariz...
ANALYSIS OF UNCERTAIN FACTORS IN AUTOMATIC EXTRACTION OF ROADS FROM SAR IMAGERY
SAR Image Uncertainty Speckle Noise Road Feature Hypothesis Testing Performance Evaluation
2015/12/30
The uncertain factors of automatic extracting roads from the Synthetic Aperture Radar (SAR) imagery have been considered in details in the paper. We consider that the key point of the extraction is th...
AUTOMATIC EXTRACTION OF BUILDINGS FROM HIGH RESOLUTION SATELLITE IMAGES
Remote Sensing Feature Extraction Expert Classification Segmentation
2015/12/26
For obvious economic reasons, buildings and roads are topographic features of great importance for a variety of users. Remote sensing remains a complementary tool when aerial photos reach their limits...
Object Information Automatic Extraction from High Resolution Stereo Pairs by Dense Image Matching and Information Fusion
Digital Surface Model High Resolution Stereo Image Pairs Feature Matching
2015/12/18
With the advent of digital sensor, the requirement for new Photogrammetric software is urgent to quick object information extraction from high-resolution stereo pairs. This paper describes an effectiv...
Semi-Automatic Extraction of Features from Digital Imagery
Image Segmentation Semi-Automatic Feature Extraction Fast-Marching Level-Set
2015/12/16
Aerial photographs have been evaluated manually by the operators for a long time for the extraction of the vector data. The development of computer technology and digital image processing technologies...
AUTOMATIC EXTRACTION OF IndoorGML CORE MODEL FROM OpenStreetMap
IndoorGML OpenStreetMap Navigation OGC VGI
2016/1/15
Navigation has become an essential component of human life and a necessary component in many fields. Because of the increasing size and complexity of buildings, a unified data model for navigation ana...
Semi-Automatic Extraction of Different-Shaped Road Centerlines from Ms and Pan-Sharped IKONOS Images
Image processing Road extraction Space photogrammetry Clustering Updating
2015/12/9
In this work we develop semi-automatic road extraction system for updating and storage road network data bases. Combination of some of the existing road extraction techniques such as spectral and spat...
Semi-Automatic Extraction of Ribbon Road from High Resolution Remotely Sensed Imagery by Cooperation of Angular Texture Signature and Template Matching
Road extraction Semi-automatic Angular texture signature Template matching
2015/12/9
Road tracking is a promising technique to increase the efficiency of road mapping. In this paper an improved road tracker, based on cooperation between angular texture signature and template matching,...
AUTOMATIC EXTRACTION AND TOPOLOGY RECONSTRUCTION OF URBAN VIADUCTS FROM LIDAR DATA
Airborne LiDAR Point Cloud Overpass Urban Viaducts Recognition Topology Reconstruction
2015/9/21
Urban viaducts are important infrastructures for the transportation system of a city. In this paper, an original method is proposed to automatically extract urban viaducts and reconstruct topology of ...
AUTOMATIC EXTRACTION OF LARGE COMPLEX BUILDINGS USING LIDAR DATA AND DIGITAL MAPS
LIDAR data Digital Map Building Model Primitives Patches
2015/8/31
As the use of building models are rapidly increased for various applications, many studies have been performed to develop a practical and nearly automatic method to extract such models from various se...
AUTOMATIC EXTRACTION OF LARGE COMPLEX BUILDINGS USING LIDAR DATA AND DIGITAL MAPS
LIDAR data Digital Map Building Model Primitives Patches
2015/8/28
As the use of building models are rapidly increased for various applications, many studies have been performed to develop a practical and nearly automatic method to extract such models from various se...
Automatic extraction of building features from terrestrial laserscanning
3D modeling terrestrial laser scanning segmentation feature recognition
2015/8/25
Realistic 3D city models are required for many purposes such as urban planning and safety analysis. The traditional modeling methods are mainly based on manual or semi-automatic reconstruction from cl...