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Data Filtering and Feature Extraction of Urban Typical Objects from Airborne LIDAR Point Cloud
LIDAR Filtering Aerial Survey Feature Extraction Buildings Airborne Scanner Systems Urban Planning
2015/12/8
The research in the detection and feature extraction of typical objects in urban areas has intensified. In existing detection technologies, it has been shown that the LIDAR technique is very promising...
Polygon Feature Extraction from Satellite Imagery Based on Colour Image Segmentation and Medial Axis
Feature Extraction Imagery Segmentation Semi-automation
2015/12/4
Areal features are of great importance in applications like shore line mapping, boundary delineation and change detection. This research work is an attempt to automate the process of extracting featur...
Image Localization in Satellite Imagery with Feature-Based Indexing
orthogonal satellite imagery image localization content-based image retrieval
2015/12/4
This paper presents a method to index ortho-map databases with image-based features and search a map database for regions that match query images of unknown scales and rotations. The proposed method u...
Robust Spatio-Temporal Feature Tracking
Visual marker-less tracking spatio-temporal constraints trifocal geometry
2015/12/4
Simultaneous tracking of features acquired by multiple video cameras mounted on a rig opens new possibilities for ego-motion estimation and 3D scene modeling. In this paper we propose a novel approach...
On Point Feature Automatic Annotation Placement in 3D Environment
Geography Cartography Three-dimensional Visualization Virtual Reality System
2015/12/3
Based on the research of the automatic annotation placement in two-dimensional (2D) domain, automatic annotation rules of point feature in the three-dimensional (3D) field are proposed. In this paper,...
Simulation and Model Validation of Positional Uncertainty of Line Feature on Manual Digitizing a Map
Simulation Digital Distributed Model Quality Error Accuracy
2015/12/3
The line feature is divided into two endpoints and line entity in this paper. The error model of independent point has been studied thoroughly, but study on positional uncertainty of endpoint based on...
Research on Geographical Feature Spatio-Temporal Reasoning Model and Visualization of Thematic Element Based on Statistics Data Mining
Geographical Information Sciences Geography Spatio-temporal modeling Reasoning Statistics Data Mining
2015/12/2
This article introduced the function and the method of statistical data excavation, through the analysis sex statistical data characteristic, the data mining technology was carried on for sex statisti...
Knowledge Discovery by Spatial Clustering Based on Self-Organizing Feature Map and a Composite Distance Measure
Self-Organizing Feature Map Spatial Clustering Knowledge Discovery Data Mining
2015/12/2
This paper proposes a spatial clustering model based on self-organizing feature map and a composite distance measure, and studies the knowledge discovery from spatial database of spatial objects with ...
Research on Change-of-Feature Based Spatio-Temopral Object Relational Model
Feature Feature Change Event State Orient-Relational Data Model Spatio-Temporal Data Model
2015/12/1
The spatio-temporal data is our cognition to external matter and the spatio-temporal data model is the fundamental basic to manage the spatio-temporal data. The spatio-temporal object is always changi...
An Integrated Feature Based Method for Sub-Pixel Image Matching
Feature-Based Method Sub-pixel Accuracy Surface Fitting Image Matching
2015/11/24
Feature matching is to find the pair-wise corresponding features in the reference and sensed images. The features can be an edge, a corner, an end point, a line or a curve, etc. Image matching as the ...
Linear Feature Extraction of Buildings from Terrestrial LIDAR Data with Morphological Techniques
LIDAR Terrestrial Feature Extraction Edge Detection Building
2015/11/20
LiDAR has been a major interest of photogrammetry to acquire three dimensional objects. It has shown its promising capabilities in building virtual reality applications, such as virtual campus and vir...
PLANAR FEATURE EXTRACTION IN TERRESTRIAL LASER SCANS USING GRADIENT BASED RANGE IMAGE SEGMENTATION
Terrestrial Laser Scanning Range Images Segmentation
2015/11/10
The paper presents a new segmentation algorithm, to be applied to terrestrial lasers scans of urban environments. The algorithm works directly in a range image. This is the fundamental laser scan data...
COMBINED FEATURE EXTRACTION FOR FACADE RECONSTRUCTION
Three-dimensional Point Cloud Urban LIDAR Modelling Facade Interpretation
2015/11/10
Within the paper, the combined application of terrestrial image and LIDAR data for facade reconstruction is discussed. Existing 3D building models as they are available from airborne data collection a...
AREAL FEATURE MATCHING BASED ON SIMILARITY USING CRITIC METHOD
Areal Feature Matching Multi Criteria Decision Analysis CRITIC
2015/11/3
In this paper, we propose an areal feature matching method that can be applied for many-to-many matching, which involves matching a simple entity with an aggregate of several polygons or two aggregate...
In most remotely sensed images, because of earth surface topography and
sun zenith and azimuth angles, some of features place in shadow and
consequently will not be classified and related to the app...