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OBJECTS GROUPING FOR SEGMENTATION OF ROADS NETWORK IN HIGH RESOLUTION IMAGES OF URBAN AREAS
Road extraction Segmentation Objects grouping Object based image analysis Maximal similarity region merging
2016/11/24
Updated road databases are required for many purposes such as urban planning, disaster management, car navigation, route planning, traffic management and emergency handling. In the last decade, the im...
EXTRACTION OF ROOF LINES FROM HIGH-RESOLUTION IMAGES BY A GROUPING METHOD
Markov Random Field ALS Straight line
2016/7/28
This paper proposes a method for extracting groups of straight lines that represent roof boundaries and roof ridgelines from highresolution aerial images using corresponding Airborne Laser Scanner (AL...
An Approach to Building Grouping Based on Hierarchical Constraints
Building generalization building grouping hierarchical constraints Gestalt factors minimum spanning tree
2015/12/2
Building generalization is one of the difficult operations in automated map generalization. It usually consists of two consecutive steps, i.e. dividing buildings into groups (also called building grou...
GROUPING METHOD FOR NEIGHBOR OBJECTS OF MOVING OBJECT USING HASH INDEX
Grouping method moving object hash index
2015/11/3
A location-based social network (LBSNS) is a social network service (SNS) that is based on a user’s location, unlike SNS, and facilitates additional activities like neighbour-user search and group for...
AUTOMATED ROAD SEGMENT EXTRACTION BY GROUPING ROAD OBJECTS
Photogrammetry Vision Automation
2015/6/1
This article presents an automatic methodology for extraction of road segments from high-resolution aerial images. The method is
based on a set of four road objects and another set of connection rule...
DETECTION OF THE EARTHQUAKE DAMAGED BUILDINGS FROM POST-EVENT AERIAL PHOTOGRAPHS USING PERCEPTUAL GROUPING
Remote Sensing Earthquakes Detection Segmentation
2015/6/1
The collapsed buildings due to Izmit, Turkey earthquake that occurred on 17 August 1999 were detected from post-event aerial
photographs using the shadow analysis and the perceptual grouping procedu...
GROUPING CRITERIA IN ARCHITECTURAL SCENES FROM COMPATIBLE ORIENTATIONS OF POLYGONAL REGIONS
Cultural heritage Geometry Photogrammetry Vision Modelling Rectification Algorithms Accuracy
2015/5/25
In this paper we address the problem of the estimation and automatic generation of structural perspective elements in architectural scenes. Structural character of geometric approach concerns to the p...
MULTI-SCALE ROAD EXTRACTION USING LOCAL AND GLOBAL GROUPING CRITERIA
Image Understanding Road Extraction Grouping
2014/12/31
In this paper we combine two approaches for road extraction. The first approach makes use of multiple scales to detect roads segments and employs local grouping criteria and also context information t...
TOPOLOGICAL AND GEOMETRICAL REASONING IN 3D GROUPING FOR RECONSTRUCTING POLYHEDRAL SURFACES
Building Extraction 3D Grouping Reasoning Topology Uncertain Geometry
2014/12/31
We are developing a system for reconstructing polyhedral surfaces from multiple images. This process can take advantage of the topological relations of the observed image features triggering and there...
PROBLEMS IN GEOMETRIC MODELLING AND PERCEPTUAL GROUPING OF MAN-MADE OBJECTS IN AERIAL IMAGES
Image understanding Semantics Knowledge representation Object recognition Urban objects
2014/12/31
Structural approaches of pattern recognition are frequently proposed for man-made objects in aerial images. Especially model based methods are considered using geometric, topologic and structural know...
ROAD NETWORK EXTRACTION BY HIERARCHICAL GROUPING
Feature Extraction Image Processing Photogrammetry Recognition Topology
2014/12/31
This paper presents an automatic method for road network extraction from low-resolution images using hierarchical grouping technique. The method consists of three major steps: firstly it extracts line...
En Route to Grouping-Constraint Free,Colorless Directionless ROADMs
Networks Optical Communications All-Optical Networks
2015/6/5
WSS-based ROADM architecture limits local transponder wavelengths to a grouping constraint.3D-switch-based architecture offers powerful solution without grouping constraint. This paper presents an upd...
Travel grouping of particles/droplets in an oscillating flow is described. The tendency for nongrouping
behavior is characterized by a new non-dimensional parameter designated as NG. A
characteristi...
Multiple Fisher Classifiers Combination for Face Recognition based on Grouping AdaBoosted Gabor Features,
Face Recognition Grouping AdaBoosted Gabor Features
2010/12/15
Gabor features has been recognized as one of the most successful representation
methods, such as Elastic Graph Matching, Gabor Fisher Classifier, and AdaBoost Gabor
Fisher Classifier. One of the key...