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LOW-LEVEL TIE FEATURE EXTRACTION OF MOBILE MAPPING DATA (MLS/IMAGES) AND AERIAL IMAGERY
Mobile Mapping Feature Extraction Feature Matching Image Orientation
2016/3/25
Mobile Mapping (MM) is a technique to obtain geo-information using sensors mounted on a mobile platform or vehicle. The mobile platform’s position is provided by the integration of Global Navigation S...
WATER EXTRACTION FROM HIGH RESOLUTION SATELLITE IMAGE BASED ON THE FAST MATCHING LEVEL SET METHOD
Fast Matching High Resolution Satellite Image Water ITK Jiawang District
2016/3/17
The overarching goal of this study was to use one of the simple level set methodologies for extracting water boundaries using high resolution satellite images. In the first part of the paper, study ar...
EXTRACTION OF OPTIMAL SKELETON OF POLYGON BASED ON HIERARCHICAL ANALYSIS
Optimal Skeleton Algorithm Hierarchical Structure
2016/3/17
Skeleton is an important 1-D descriptor of polygon and a useful tool for advanced geometric algorithms. However the skeleton that most existing algorithms investigated is the longest one, which is not...
ROBUST BUILDING OUTLINE REPRESENTATION AND EXTRACTION
Building Extraction Building Description Hough Transform Graph Search Region Grow
2016/3/17
This paper presents an efficient and robust strategy for building description and extraction from high resolution aerial image. This approach is different from traditional techniques in shapeformation...
A STUDY OF FEATURE POINTS EXTRACTION BASED ON POINT CLOUD DATA SETS AND MODEL SIMPLIFICATION IN GOAF
Feature Points Extraction 3D laser scanner Point Cloud Data Sets Model Simplification Goaf
2016/3/17
The shape measurement of goaf is an important job in mine project. With the rapid development of the measuring equipment, 3D laser scanner, which makes the efficiency of traditional work being improve...
STRAIGHT ROADS EXTRACTION BY FUSION OF SPOKE WHEEL AND REGION GROWING
Semi-automatic road extraction spoke wheel region growing
2016/3/17
Semi-automatic methods are regarded as more practical than automatic methods to obtain and/or update the vector road data. But road tracking methods lose their efficiencies when they are applied to tr...
EXTRACTION OF 3D FEATURE FROM LIDAR DATA FUSED WITH AERIAL IMAGES USING IMPROVED MEAN-SHIFT ALGORITHM
LiDAR Feature Extraction Mean-Shift
2016/3/17
An innovative approach is proposed for the extraction of the complex urban three dimensional feature efficiently and accurately. In this method, firstly, both the LiDAR data and the aerial images are ...
SEMI-AUTOMATIC CITY MODEL EXTRACTION FROM TRI-STEREOSCOPIC VHR SATELLITE IMAGERY
Photogrammetry City DSM generation Tri-stereoscopy Ikonos Urban
2016/3/1
In this paper a methodology and results of semi-automatic city DSM extraction from an Ikonos triplet, is introduced. Built-up areas
are known as being complex for photogrammetric purposes, mainly be...
AUTOMATIC EXTRACTION OF VERTICAL WALLS FROM MOBILE AND AIRBORNE LASER SCANNING DATA
buildings 3D feature extraction map updating position accuracy
2016/2/29
Building outlines in cadastral maps are often created from different sources such as terrestrial surveying and photogrammetric
analyses. In the latter case the position of the building wall cannot b...
With the rapid improvement of LIDAR systems regarding point density and accuracy in relation to the (application dependent)
requirements, robustness, efficiency and automation of the modeling process...
AUTOMATIC ROAD EXTRACTION FROM LIDAR DATA BASED ON CLASSIFIER FUSION IN URBAN AREA
LIDAR Road Extraction Classifier Fusion Classifier selection Genetic Algorithm
2016/2/29
LIDAR is a powerful remote sensing technology for acquisition of 3D information from terrain surface. Algorithms used for LIDAR
data in urban area are used mostly to deal with the 3D points cloud an...
Potential of Manual and Automatic Feature Extraction from High Resolution Space Images in Mountainous Urban Areas
Topographic Mapping High Resolution Space Image Information Content Mountainous Urban Area IKONOS QuickBird OrbView-3
2016/1/25
Recent developments of optical space sensors enable us to use high resolution space images for topographic mapping. Geometric and
radiometric resolution are the major factors for identification of o...
Extraction of Parcel Boundaries from Ortho-rectified Aerial Photos: A Cost Effective Technique
Land Laws Land Registration Informal Settlements Orthophotos Parcel Boundaries GIS
2016/1/25
Most property in Afghanistan has never been surveyed. A majority of landowners do not
hold legally recognized deeds to their property, but rather have customary land deeds
with poorly defined prop...
Sentiment-Aspect Extraction based on Restricted Boltzmann Machines
Sentiment-Aspect Extraction Restricted Boltzmann Machines
2016/1/22
Aspect extraction and sentiment analysis of reviews are both important tasks in opinion mining. We propose a novel senti-mentandaspectextractionmodelbasedon Restricted Boltzmann Machines to jointly ad...
Semantic Information Extraction for Improved Word Embeddings
Semantic Information Extraction Improved Word Embeddings
2016/1/22
Word embeddings have recently proven useful in a number of different applications that deal with natural language. Such embeddings suc-cinctly reflect semantic similarities between words based on thei...