搜索结果: 1-15 共查到“遥感信息工程 Feature extraction”相关记录16条 . 查询时间(0.159 秒)
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...
SEATH-A NEW TOOL FOR AUTOMATED FEATURE EXTRACTION IN THE CONTEXT OF OBJECT-BASED IMAGE ANALYSIS
Feature Analysis Object-Oriented Techniques Feature Quality Measure Automation Standardisation Nuclear Safeguards
2015/8/19
In order to avoid the time-consuming trial-and-error practice for seeking significant features for optimal class separation in object-based classification, an automatic feature extraction methodology,...
AUTOMATED 3-D FEATURE EXTRACTION FROM TERRESTRIAL AND AIRBORNE LIDAR
Feature Analyst Automated Feature Extraction Machine Learning Geospatial Feature
2015/8/19
The U.S. Army and other Department of Defense (DoD) combat and combat support agencies requires automated feature extraction (AFE) software for collecting very high-resolution 3D urban features from t...
CHANGE DETECTION OF LINEAR MAN-MADE OBJECTS USING FEATURE EXTRACTION TECHNIQUE
Feature extraction Change Detection Feature Matching Edge Detection Interesting Points Classification
2015/8/3
Most of the research in remote sensing is focused on developing well-defined and reliable automated processes for the extraction of information from different types of imagery. In this communication w...
COMPARISON OF OBJECT ORIENTED IMAGE ANALYSIS AND MANUAL DIGITIZING FOR FEATURE EXTRACTION
High Resolution Mapping Analysis Digitisation Extraction Comparison Orthoimage
2015/5/27
The developments in the remote sensing technology have provided the use of high-resolution images for different purposes if possible. These images can be used for a study such as town planning where h...
MULTI-SOURCE FEATURE EXTRACTION AND VISUALIZATION IN URBAN ENVIRONMENTS
Sensor Model Invariance Hyperspectral Building Extraction Road Grid Visualization
2014/12/31
Basic research is being performed by a team composed of specialists in photogrammetry, spatial image analysis, remote sensing, computer vision, and visualization, for the purpose of efficiently extrac...
SEMI-AUTOMATED LINEAR FEATURE EXTRACTION USING A KNOWLEDGE RICH OBJECT DATA MODEL
Linear Feature Extraction context object oriented data model
2014/12/31
This paper describes an approach to the extraction and classification of linear features from imagery using an objectoriented data model as a framework to store contextual knowledge. The work reported...
SEMI-AUTOMATED FEATURE EXTRACTION USING SIMULATED ANNEALING
Computer vision energy minimization feature extraction simulated annealing temperature scheduling
2014/12/31
An efficient semi-automatic feature extraction technique that integrates the principles of the active contour models (Kass et al 1988) with simulated annealing (Kirkpatrik et al 1983) is proposed in t...
PERFORMANCE EVALUATION FOR AUTOMATIC FEATURE EXTRACTION
feature extraction performance evaluation metrics
2014/12/30
Recent years have seen significant improvements in the performance of automatic cartographic feature extraction (CFE) systems. Early systems, painstakingly tweaked to work in a very limited fashion on...
Airborne LIDAR and high resolution satellite data for rapid 3D feature extraction
LiDAR Feature Extraction Canopy Height Model (CHM) Accuracy
2014/12/15
This work uses the canopy height model (CHM) based workflow for individual tree crown delineation and 3D feature extraction approach (Overwatch Geospatial's proprietary algorithm) for building feature...
Exploration of Genetic Programming Optimal Parameters for Feature Extraction from Remote Sensed Imagery
Genetic programming feature extraction optimal parameters
2014/12/4
Evolutionary computation is used for improved information extraction from high-resolution satellite imagery. The utilization of evolutionary computation is based on stochastic selection of input param...
DIMENSIONALITY REDUCTION OF HYPERSPECTRAL IMAGES BY COMBINATION OF NON-PARAMETRIC WEIGHTED FEATURE EXTRACTION (NWFE) AND MODIFIED NEIGHBORHOOD PRESERVING EMBEDDING (NPE)
Hyperspectral Imagery Feature Extraction LDA NPE Classification
2014/12/1
This paper combine two conventional feature extraction methods (NWFE&NPE) in a novel framework and present a new semi-supervised feature extraction method called Adjusted Semi supervised Discriminant ...
CLOUD DETECTION METHOD BASED ON FEATURE EXTRACTION IN REMOTE SENSING IMAGES
Remote Sensing Image Cloud Detection Cloudiness Feature Extraction Classification Discriminant Model
2014/4/24
In remote sensing images, the existence of the clouds has a great impact on the image quality and subsequent image processing, as
the images covered with clouds contain little useful information. The...
COMPARISOM OF WAVELET-BASED AND HHT-BASED FEATURE EXTRACTION METHODS FOR HYPERSPECTRAL IMAGE CLASSIFICATION
Hyperspectral Image Feature Extraction Classification Wavelet Transform Hilbert-Huang Transform
2014/4/29
Hyperspectral images, which contain rich and fine spectral information, can be used to identify surface objects and improve land use/cover classification accuracy. Due to the property of high dimensio...