搜索结果: 136-150 共查到“测绘科学技术 segmentation”相关记录166条 . 查询时间(0.031 秒)
A NEW SEGMENT SHAPE PARAMETER FOR GRID DATA AND ITS APPLICATION TO LAND USE SEGMENTATION
Shape Parameter Segmentation Land Use Algorithms Mathematical Models Radar
2014/12/31
Various land applications require an image or image series to be divided into segments corresponding to areas of homogeneous land use. Image segmentation is needed to generate and update such GIS-stor...
THREE-DIMENSIONAL CITY MODELING FROM LASER SCANNER DATA BY EXTRACTING BUILDING POLYGONS USING REGION SEGMENTATION METHOD
Laser/Lidar Urban objects DTM/DEM/DSM Modeling Buildings GIS Data acquisition
2014/12/31
We have developed a method to automatically generate a 3-D city model only from laser scanner data by applying region segmentation to the grid type data of digital surface model (DSM) obtained by the ...
ANALYSIS OF IMAGE SEGMENTATION OF MULTISOURCE DATA IN MOUNTAIN ENVIRONMENTS
texture data fusion segmentation mountain
2014/12/30
In this work, a multisource features set for classification of landscape and, more specifically, forestry environments, is proposed and evaluated. Spectral features are obtained from Landsat-TM images...
SEGMENTATION OF INTERFEROMETRIC SAR DATA FOR BUILDING DETECTION
Visualisation Interferometry Data fusion Segmentation Buildings
2014/12/29
The improved quality of InSAR data suggests to utilise such data for building detection. But, the phase information from which the height data is calculated, is often severely disturbed, depending on ...
Graph – Based High Resolution Satellite Image Segmentation for Object Recognition
High Resolution segmentation classification graph computer vision Mahalanobis
2014/12/16
Object based image processing and analysis is challenging research in very high resolution satellite utilisation. Commonly ei ther pixel based classification or visual interpretation is used to recogn...
A novel quality control procedure for the evaluation of laser scanning data segmentation
Laser scanning Quality control Segmentation Planar features Linear/Cylindrical features
2014/12/4
Over the past few years, laser scanning systems have been acknowledged as the leading tools for the collection of high density 3D point cloud over physical surfaces for many different applications. Ho...
AN ADAPTIVE POLYGONAL CENTROIDAL VORONOI TESSELLATION ALGORITHM FOR SEGMENTATION OF NOISY SAR IMAGES
SAR Centroidal Voronoi Tessellation Segmentation Clustering Gamma Distribution
2014/12/1
In this research, a fast, adaptive and user friendly segmentation methodology is developed for highly speckled SAR images. The developed region based centroidal Voronoi tessellation (R-BCVT) algorithm...
LiDAR Segmentation using Suitable Seed Points for 3D Building Extraction
LiDAR data segmentation seed point building detection roof plane extraction tree removal
2014/9/9
Effective building detection and roof reconstruction has an influential demand over the remote sensing research community. In this paper, we present a new automatic LiDAR point cloud segmentation meth...
SAR Image Segmentation Using Morphological Attribute Profiles
Synthetic Aperture Radar SAR TerraSAR-X Object-Based Image Analysis OBIA Mathematical Morphology Attribute Profiles AP Differential Attribute Profiles DAP segmentation
2014/9/9
In the last years, the spatial resolution of remote sensing sensors and imagery has continuously improved. Focusing on spaceborne Synthetic Aperture Radar (SAR) sensors, the satellites of the current ...
A Distance-Weighted Graph-Cut Method for the Segmentation of Laser Point Clouds
Graph cut segmentation laser point cloud
2014/9/9
Normalized Cut according to (Shi and Malik 2000) is a well-established divisive image segmentation method. Here we use Normalized Cut for the segmentation of laser point clouds in urban areas. In part...
A New Framework For Interactive Segmentation of Point Clouds
Point Cloud Segmentation User Visualization Algorithms
2014/7/30
Point cloud segmentation is a fundamental problem in point processing. Segmenting a point cloud fully automatically is very challenging due to the property of point cloud as well as different requirem...
Segmentation of planar surfaces in LiDAR point clouds of an electrical substation by exploring the structure of points neighbourhood
Plane Segmentation LiDAR Point Cloud Processing
2014/7/30
According to the Department of Energy of the USA, today’s electrical distribution system is 97.97% reliable. However, power outages and interruptions still impact many people. Many power outages are c...
Object-oriented mapping application of architecture based on multi-scale image segmentation and image extraction
Mapping Architecture Multi-scale segmentation Object-oriented Extraction
2014/7/23
Residential area detection is extremely important for supervision of rush-built and illegal construction behavior to protect arable land and basic farmland. Traditional manual recognition of illegal c...
DISCRETE TOPOLOGY BASED HIERARCHICAL SEGMENTATION FOR EFFICIENT OBJECT-BASED IMAGE ANALYIS: APPLICATION TO OBJECT DETECTION IN HIGH RESOLUTION SATELLITE IMAGES
Multi-scale Scale-space segmentation High-resolution topological information contextual information region merging SCRM OBIA GEOBIA object detection
2014/4/24
With rapid developments in satellite and sensor technologies, there has been a dramatic increase in the availability of high resolution (HR) remotely sensed images. Hence, the ability to collect image...
DATA MINING FOR KNOWLEDGE DISCOVERY FROM OBJECT-BASED SEGMENTATION OF VHR REMOTELY SENSED IMAGERY
Object-Based Image Analysis Data Mining Classification rule Induction Genetic Algorithm
2014/4/24
The success of the object-based image analysis (OBIA) paradigm can be attributed to the fact that regions obtained by means of segmentation process are depicted with a variety of spectral, shape, text...