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ORTHORECTIFICATION OF A LARGE DATASET OF HISTORICAL AERIAL IMAGES: PROCEDURE AND PRECISION ASSESSMENT IN AN OPEN SOURCE ENVIRONMENT
image orthorectification GIS historical aerial images
2018/11/8
The availability of data time series spanning a long period is crucial for landscape change analysis. A suitable dataset, both in terms of time span and information content, must be available for the ...
LAND USE CLASSIFICATION FROM VHR AERIAL IMAGES USING INVARIANT COLOUR COMPONENTS AND TEXTURE
High resolution colour images texture classification invariant colour spaces aerial images
2016/11/23
Very high resolution (VHR) aerial images can provide detailed analysis about landscape and environment; nowadays, thanks to the rapid growing airborne data acquisition technology an increasing number ...
EVALUATION OF COLOR SETTINGS IN AERIAL IMAGES WITH THE USE OF EYE-TRACKING USER STUDY
Color settings Eye-tracking Spectroradiometer User study Reflectance UAS
2016/7/28
The main aim of presented paper is to find the most realistic and preferred color settings for four different types of surfaces on the aerial images. This will be achieved through user study with the ...
A FAST APPROACH FOR STITCHING OF AERIAL IMAGES
Aerial Imagery Image Stitching Image Mosaicing SIFT Constrained Delaunay Triangulation
2016/7/28
The last few years have witnessed an increasing volume of aerial image data because of the extensive improvements of the Unmanned Aerial Vehicles (UAVs). These newly developed UAVs have led to a wide ...
AN IMPROVED SNAKE MODEL FOR REFINEMENT OF LIDAR-DERIVED BUILDING ROOF CONTOURS USING AERIAL IMAGES
Building Roof Contour Refinement Aerial Images Snake Model Greedy Algorithm
2016/7/27
Building roof contours are considered as very important geometric data, which have been widely applied in many fields, including but not limited to urban planning, land investigation, change detection...
Knowledge-based road interpretation in aerial images
Knowledge road interpretation aerial images
2016/5/23
This paper presents a knowledge-based method for automatic road extraction from aerial images. The method uses a hybrid control strategy in which hypotheses of roads are generated in a bottom-up proce...
Dense urban DEM with three or more high-resolution aerial images
stereo 3-D reconstruction DEM image matching high-resolution aerial imagery
2016/5/20
In cartographic applications, area-based matching techniques are commonly used for stereo matching of low-resolution aerial images.However, these techniques fail in matching high-resolution aerial ima...
3D CITY MODELLING OF ISTANBUL HISTORIC PENINSULA BY COMBINATION OF AERIAL IMAGES AND TERRESTRIAL LASER SCANNING DATA
Aerial City Cultural Heritage Integration Modelling Project TLS Visualization
2015/12/31
There is an increasing demand for 3D city models for many applications and users worldwide. Some of this growth in demand has been caused by the increase in public availability of open geospatial view...
INTERGRATION OF HIGH RESOLUTION AERIAL IMAGES AND AIRBORNE LIDAR DATA FOR FOREST DELINEATION
Aerial images Airborne LIDAR Image Segmentation Texture Forest Delineation Remote Sensing
2015/12/31
Forest boundary is one of the important parameters in Swiss National Forest Inventory (NFI). It is mainly delineated by aerial photo interpretation according to the defined “Forest/Non-forest decision...
DIGITAL PHOTOGRAMMETRIC PRODUCTS FROM AERIAL IMAGES,USED FOR IDENTIFYING AND DELIMITING FLOOD RISK AREAS
Aerial Photogrammetry Digital Elevation Model Image Understanding Feature Extraction Flooding Hazard
2015/12/28
Using the strategy applied by Federal Agency of Emergency Management from USA, geo-referenced photogrammetric products and digital water height data, recorded during floodings, can be used for generat...
BUILDING ROOF RECONSTRUCTION FROM LIDAR DATA AND AERIAL IMAGES THROUGH PLANE EXTRACTION AND COLOUR EDGE DETECTION
Laser Sanning (LiDAR) Building Rconstruction Aerial Photogrammetry Data Integration Urban planning Image Pocessing
2015/12/23
In this paper a strategy for 3D reconstruction of building roofs from airborne laser scanning and aerial images is discussed. In order to keep it as general as possible, no predefined primitives or gr...
Filtering LIDAR Points by Fusion of Intensity Measures and Aerial Images
LIDAR point data laser returns intensity aerial images returns filtering
2015/12/8
Laser return intensity, delivering the surface reflectivity information in the laser wavelength, is function of many variables and ignored in most application projects. However, by a process of SILC (...
Shadow Detection of Urban Aerial Images Based on Partial Differential Equations
Shadow Detection Urban Aerial Image Partial Differential Equations Image Understanding Feature Detection
2015/12/2
Shadow detection plays an important role in digital aerial image processing. In this paper, shadow is treated as a special kind of image degradation. Shadow region commonly has lower brightness than n...
AN ALGORITHM FOR VERICATION AND CHANGE DETECTION BETWEEN 3D GEOSPATIAL DATABASES AND AERIAL IMAGES
building detection change detection TOP10DK unsupervised segmentation covariance matrices
2015/9/17
An algorithm for building detection in aerial images is presented. The algorithm is based on a combination of unsupervised segmentation and selection of a training set based on existing building regis...
IMAGE RESTORATION FOR RESOLUTION IMPROVEMENT OF DIGITAL AERIAL IMAGES
geometry calibration high resolution spatial performance
2015/8/31
Within the paper a comparative quantification of the spatial image resolution for large-format digital airborne cameras will be presented. For this purpose, imagery of the Leica ADS40, the Intergraph ...