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A Hierarchical Representation of Line-Region Topological Relations
Topological relations hierarchy topological invariant line-region relations
2015/12/1
Topological relations have found applications in many fields such as similarity analysis, spatial query, object matching, inconsistency detection, spatial association rule mining, spatial reasoning, a...
EXTRACTION OF HORIZONTAL VANISHING LINE USING SHAPES AND STATISTICAL ERROR PROPAGATION
geometrical scene analysis error propagation video processing Hough transformation
2015/8/31
In this paper we address the problem of estimating the horizontal vanishing line, making use of motion statistics derived from a video sequence. The computation requires the satisfying of a number of ...
EXTRACTION OF HORIZONTAL VANISHING LINE USING SHAPES AND STATISTICAL ERROR PROPAGATION
geometrical scene analysis error propagation video processing Hough transformation
2015/8/28
In this paper we address the problem of estimating the horizontal vanishing line, making use of motion statistics derived from a video sequence. The computation requires the satisfying of a number of ...
NEW CALIBRATION SCHEME FOR PANORAMIC LINE SCANNERS
Line-Scanner Calibration Diffractive Optical Elements Spatial Light Modulator
2015/7/31
In the DLR department of optical information technology exists long experience and practical knowledge in geometrical calibration of opto-elctronical systems especially CCD-line scanners. An approved ...
A Generalization of Contour Line Based on the Extraction and Analysis of Drainage System
Map generalization Delaunay triangulation Drainage system
2015/7/10
Unlike the simplification of independent line features, the generalization of terrain contour is to handle the “line group”, which
describes the geomorphologic characteristics, such as the terrain va...
INDIRECT GEOREFERENCING OF AIRBORNE MULTI-LINE ARRAY SENSORS: A SIMULATED CASE STUDY
Orientation Modelling Triangulation
2015/3/24
Multi-line array sensors, carried on airborne or satellite, acquire images with along or across track stereo viewing and are used for
photogrammetric mapping at different scales. The main characteris...
WEIGHTED GEOMETRIC OBJECT CONSTRAINTS INTEGRATED IN A LINE-PHOTOGRAMMETRIC BUNDLE ADJUSTMENT
line photogrammetry object reconstruction geometric constraints weighting mathematical model adjustment accuracy architecture
2015/1/6
The line-photogrammetric bundle adjustment is a new approach for the 3D reconstruction of polyhedral objects, with several advantages. Observing lines instead of points and integration of additional o...
CONSTRAINED LINE- PHOTOGRAMMETRIC 3D RECONSTRUCTION FROM STEREOPAIRS
line photogrammetry relative orientation 3D reconstruction mathematical model
2015/1/6
Objects and scenes encountered in close-range photogrammetry, vision metrology and virtual reality applications may often be adequately modeled as specific combinations of straight lines and/or line-...
APPLICATION AND ACCURACY POTENTIAL OF A STRICT GEOMETRIC MODEL FOR ROTATING LINE CAMERAS
Rotating Line Camera Panorama Geometric Mode
2015/5/27
This paper describes and investigates a strict mathematical model for rotating line cameras, developed at the Institute of
Photogrammetry and Remote Sensing of the Dresden University of Technology. ...