搜索结果: 1-15 共查到“地图制图技术 Geometric”相关记录18条 . 查询时间(0.093 秒)
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
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...
Research on Relation Between Control Points Precision and Geometric Correction Accuracy
Geometric Accuracy Correction Image Analysis Precision
2015/12/17
Through ASTER, ETM, SPOT5 and IKONOS four kinds of remote-sensing images (a coarse correction) , this paper makes a geometric correction for these four remote sensing images, using the control points ...
A View-Geometric Approach To View And Occlusion Invariant Shape Recognition and Retrieval
image interpretation 2-D feature extraction computer vision feature recognition machine vision
2015/12/9
In this paper, we propose a recognition technique for geographic features which are represented as closed contours. Our algorithm relies on the planar projective geometry between the contours and expl...
Matching Conjugate Points between Multi Resolution Satellite Images Using Geometric and Radiometric Properties
Point correspondence Registration Image matching Transformation models SVD Matching
2015/12/8
Remotely sensed images are the main source for a variety of mapping and change detection applications. Images from different satellites are employed in several of these applications. However, each typ...
Three-dimensional Building Reconstruction Using Point Primitives: a Geometric Graph Approach
Building Geometric Graph Reconstruction Triangulation
2015/12/2
Building reconstruction is one of the most difficult and important 3D modelling problems for urban environment. In this paper, we develop an approach using minimum number of basic geometric elements t...
Analysis of Rational Function Dependency to the Height Distribution of Ground Control Points in Geometric Correction of Aerial and Satellite Images
Analysis Rational Function Dependency Height Distribution Ground Control Points Geometric Correction Aerial Satellite Images
2015/11/23
One of the existence mathematical models is Direct Linear Transformation (DLT). These equations are being regarded because of their simplicity as they are direct. When the height distribution of groun...
Geometric and Automatic Mosaic Method with Collinear Equation for Aviation Twice-Imaging Data…
Aerial Photogrammetry Aerial image Analytical Photogrammetry Simulation Land Cover Aerial Survey
2015/11/23
Due to more than one hundred of traditional film aerial cameras and too expensive digital ones in China, new type aerial camera with large format becomes the focus of researchers on remote sensing and...
ORTHORECTIFICATION OF BILSAT IMAGERY USING RIGOROUS AND SIMPLE GEOMETRIC MODELS
Bilsat Rigorous model Simple model Orthorectification Accuracy Turkey
2015/8/17
The orthorectification accuracies of Bilsat Multispectral (XS) imagery using a rigorous and eight simple geometric models are
presented. Majority of the selected test area was covered by the existin...
Buhom: A Program for Enhancement of Geometric Topologic Consistency of Building Objects
generalization building generalization digitizing errors vector data
2015/7/6
Vector data is captured using various methods, e.g. manual digitizing, automatic vectorization etc. Errors or inconsistencies, e.g.
self-cutting polygons, identical points etc, can not be avoided, ev...
STRICT GEOMETRIC MODEL BASED ON AFFINE TRANSFORMATION FOR REMOTE SENSING IMAGE WITH HIGH RESOLUTION
Remote Sensing Image High Resolution Parameter Calculation
2015/3/24
The successful lunch of IKONOS and QUICKBIRD, and a serious of plans for acquiring the remote sensing images with high
resolution let it become possible that the basic spatial information is obtaine...
Geometric Accuracy Assessment and Correction of Imagery from Chinese Earth Observation Satellites (HJ-1 A/B, CBERS-02C and ZY-3)
Chinese Satellites HJ-1 A/B CBERS-02C ZY-3 Imagery Spatial Data Quality Geometric Accuracy Ground Control Points (GCP) Automation Operational Methodology Accuracy Assessment Image Correction Toutin Model RPC Model
2014/11/28
The Chinese satellites HJ-1 A/B, CBERS-02C and ZY-3 have been recently launched and are considered as the main space platforms on orbit to acquire optical images for monitoring the Earth for various a...
APPROXIMATE GEOMETRIC REASONING WITH EXTENDED GEOGRAPHIC OBJECTS
Uncertainties in spatial data qualitative spatial reasoning fuzzy logic axiomatic geometry geographic information systems
2014/10/16
The article presents a conceptual framework for formal geometric reasoning with extended objects in the context of vernacular geography. Vernacular geography is concerned with place names and their re...
GEOMETRIC REASONING IN 3D BUILDING MODELS USING MULTIVARIATE POLYNOMIALS AND CHARACTERISTIC SETS
geometric reasoning constraints theorem proving Wu’s method multivariate polynomials 3D building models
2014/10/16
In order to generate complex virtual cities, models of buildings have to be defined in advance. A common approach describes individual components of these buildings, which are in turn restricted by ge...
GEOMETRIC REASONING IN 3D BUILDING MODELS USING MULTIVARIATE POLYNOMIALS AND CHARACTERISTIC SETS
geometric reasoning constraints theorem proving Wu’s method multivariate polynomials 3D building models
2014/10/16
In order to generate complex virtual cities, models of buildings have to be defined in advance. A common approach describes individual components of these buildings, which are in turn restricted by ge...
GEOMETRIC DATA STRUCTURES AND ANALYSIS IN GIS: ISO 19107 CASE STUDY
ISO 19107 Geographical analysis geode Geometric modelling dispatcher
2014/6/11
Nowadays Geographic Information Systems (GIS) tend to represent and analyse in three dimensions. It requires new analytical threedimensional objects in GIS and have been initiated by the indu...