搜索结果: 1-15 共查到“摄影测量与遥感技术 Feature extraction”相关记录24条 . 查询时间(0.078 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...
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...
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...
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...
OBJECT RECOGNITION AND FEATURE EXTRACTION FROM IMAGERY:THE FEATURE ANALYST® APPROACH
Feature Analyst Automated Feature Extraction Machine Learning Geospatial Feature
2015/8/19
Feature Analyst is a commercial feature extraction software system that leverages multiple object recognition attributes,using semi-automated to automated workflows, to accelerate the collection of fe...
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...
Feature Extraction and Modeling of Urban Building From Vehicle-borne Laser Scanning Data
Laser Scanning Algorithms Feature
2015/7/15
Laser scanning is playing an important role in an acquisition of the 3D spatial objects in urban because of real-time and high
efficiency than traditional methods. The research presented in this pape...
Texture Feature Extraction for Classification of Remote Sensing Data Using Wavelet Decomposition: A Comparative Study
Texture classification multiresolution analysis wavelets
2015/7/9
The extraction of texture features from high resolution remote sensing imagery provides a complementary source of data for those
applications in which the spectral information is not sufficient for i...
PERFORMANCE EVALUATION IN NATURAL AND CONTROLLED ENVIRONMENTS APPLIED TO FEATURE EXTRACTION PROCEDURES
Algorithms Performance Environment
2015/6/1
The paper highlights approaches to reference data acquisition in real environments for the purpose of performance evaluation of image
analysis procedures. Reference data for the input and for the out...
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...