搜索结果: 1-15 共查到“工学 3-D Feature Extraction”相关记录53条 . 查询时间(0.094 秒)
UAV PHOTOGRAMMETRY FOR FEATURE EXTRACTION AND MAPPING OF CORRUGATED INDUSTRIAL ROOFTOPS
photogrammetry UAV, drones solar panel point cloud corrugated roof
2018/11/9
Corrugated roof sheets used for large-scale industrial rooftops have the potential to carry solar panels. The sheets, however, need to be surveyed so that the solar panels can be installed according t...
DATUM FEATURE EXTRACTION AND DEFORMATION ANALYSIS METHOD BASED ON NORMAL VECTOR OF POINT CLOUD
Deformation Analysis Point Cloud Normal Vecto Datum Feature Cubic B-spline Curve
2018/5/15
In order to solve the problem lacking applicable analysis method in the application of three-dimensional laser scanning technology to the field of deformation monitoring, an efficient method extractin...
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...
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...
HYPERSPECTRAL IMAGE FEATURE EXTRACTION BASED ON GENERALIZED DISCRIMINANT ANALYSIS
Hyperspectral Image Feature Extraction Generalized Discriminant Analysis Kernel Function
2015/12/30
The hyperspectral image enriches spectrum information, so compared with panchromatic image and multispectral image; it can classify the ground target better. The feature extraction of hyperspectral im...
ATMOSPHERIC SMOG MODELLING,USING EOS SATELLITE ASTER IMAGE SENSOR,WITH FEATURE EXTRACTION FOR PATTERN RECOGNITION TECHNIQUES AND ITS ANALYSIS OF VARIANCE WITH IN-SITU GROUND SENSOR DATA
Smog Absorption Bands Satellite-Imagery Spectral Signature Sensors ASTER
2015/12/28
Atmospheric pollution was previously considered as a 'Brown Cloud’ phenomenon restricted to industrialized urban regions. Studies in field stations and satellite observations made since the last decad...
UNLABELED SELECTED SAMPLES IN FEATURE EXTRACTION FOR CLASSIFICATION OF HYPERSPECTRAL IMAGES WITH LIMITED TRAINING SAMPLES
Hyperspectral images feature extraction limited training samples unlabeled samples selection supervised classification
2016/1/15
Feature extraction plays a key role in hyperspectral images classification. Using unlabeled samples, often unlimitedly available, unsupervised and semisupervised feature extraction methods show better...
Study on the Target Feature Extraction from LIDAR Point Clouds
LIDAR Point Cloud Feature Extraction Edge Detection Digital Image Processing
2015/12/8
With the rapid development of remote sensing technology, three dimensional coordinates and intensity information of observation target can be obtained directly from LIDAR system. It is one of the impo...
Data Filtering and Feature Extraction of Urban Typical Objects from Airborne LIDAR Point Cloud
LIDAR Filtering Aerial Survey Feature Extraction Buildings Airborne Scanner Systems Urban Planning
2015/12/8
The research in the detection and feature extraction of typical objects in urban areas has intensified. In existing detection technologies, it has been shown that the LIDAR technique is very promising...
Polygon Feature Extraction from Satellite Imagery Based on Colour Image Segmentation and Medial Axis
Feature Extraction Imagery Segmentation Semi-automation
2015/12/4
Areal features are of great importance in applications like shore line mapping, boundary delineation and change detection. This research work is an attempt to automate the process of extracting featur...
Linear Feature Extraction of Buildings from Terrestrial LIDAR Data with Morphological Techniques
LIDAR Terrestrial Feature Extraction Edge Detection Building
2015/11/20
LiDAR has been a major interest of photogrammetry to acquire three dimensional objects. It has shown its promising capabilities in building virtual reality applications, such as virtual campus and vir...
PLANAR FEATURE EXTRACTION IN TERRESTRIAL LASER SCANS USING GRADIENT BASED RANGE IMAGE SEGMENTATION
Terrestrial Laser Scanning Range Images Segmentation
2015/11/10
The paper presents a new segmentation algorithm, to be applied to terrestrial lasers scans of urban environments. The algorithm works directly in a range image. This is the fundamental laser scan data...
COMBINED FEATURE EXTRACTION FOR FACADE RECONSTRUCTION
Three-dimensional Point Cloud Urban LIDAR Modelling Facade Interpretation
2015/11/10
Within the paper, the combined application of terrestrial image and LIDAR data for facade reconstruction is discussed. Existing 3D building models as they are available from airborne data collection a...
Geo-referenced digital images tak en by CCD cameras and integrated with GPS/INS data provide an efficient way for monitoring special objects with high resolution and visual capability in a h ighway/ro...
2D-3D feature extraction and registration of real world scenes
Cultural Heritage Photogrammetry Laser Scanner Segmentation Registration Texture Mapping
2015/8/24
In this paper we present an efficient edge detection algorithm for the extraction of linear features in both range and intensity image data. The purpose is to simplify the dense datasets and to provid...