搜索结果: 121-135 共查到“测绘科学技术 Feature”相关记录138条 . 查询时间(0.032 秒)
FEATURE-BASED DIGITAL WATERMARKING FOR REMOTE SENSING IMAGES
Watermarking Feature Extraction Transformation Quality Robustness
2014/4/28
With the rapid development of information and communication technology, people can acquire and distribute many kinds of digital data more conveniently than before. The consequence is that the "copyrig...
FEATURE MODELLING OF HIGH RESOLUTION REMOTE SENSING IMAGES CONSIDERING SPATIAL AUTOCORRELATION
high resolution feature modelling spatial autocorrelation segmentation
2014/4/28
To deal with the problem of spectral variability in high resolution satellite images, this paper focuses on the analysis and modelling of spatial autocorrelation feature. The semivariograms are used t...
A MULTI-VIEW IMAGE MATCHING METHOD FOR FEATURE POINTS BASED ON THE MOVING Z-PLANE CONSTRAINT
Multi-View Image Matching Feature Points Matching Moving Z-Plane Constraint Grid Cell Occlusion
2014/4/28
Focusing on the serious occlusion problem in city images, this paper makes full use of the advantage of multi-view image matching, and proposes a reliable multi-view image matching method based on the...
A TRANSFORMATION METHOD FOR TEXTURE FEATURE DESCRIPTION UNDER DIFFERENT IMAGINE CONDITIONS
Transformation method Texture feature Gabor wavelet Gaussian mixture models
2014/4/29
For high spatial resolution Remote Sensing images, it is very important to investigate the transformational methods between background and target characteristics. Only in this way rich details in imag...
RANDOM FORESTS-BASED FEATURE SELECTION FOR LAND-USE CLASSIFICATION USING LIDAR DATA AND ORTHOIMAGERY
Lidar imagery Random Forests Classification Feature selection
2014/4/29
The development of lidar system, especially incorporated with high-resolution camera components, has shown great potential for urban classification. However, how to automatically select the best featu...
Image matching is a practical way to build up the relationship between point pairs. In remote sensing and photogrammetry
applications, area-based matching algorithms are usually used under control e...
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...
Robust Metric based Anomaly Detection in Kernel Feature Space
Anomaly detection hyperspectral images Manhanlobis distance
2014/4/29
This thesis analyzes the anomalous measurement metric in high dimension feature space, where it is supposed the Gaussian assumption for state-of-art mahanlanobis algorithms is reasonable. The realizat...
THE DIRECT REGISTRATION OF LIDAR POINT CLOUDS AND HIGH RESOLUTION IMAGE BASED ON LINEAR FEATURE BY INTRODUCING AN UNKNOWN PARAMETER
Airborne LiDAR Linear Feature Registration
2014/4/28
The registration between optical images and point clouds is the first task when the combination of these two datasets is concerned.
Due to the discrete nature of the point clouds, and the 2D-3D tran...
HYDROLOGIC AND FEATURE-BASED SURFACE ANALYSIS FOR TOOL MARK INVESTIGATION ON ARCHAEOLOGICAL FINDS
Laser Scanning Tool Mark Surface Analysis Edge Detection GIS Archaeology
2014/4/28
The improvement of detailed surface documentation methods provides unique tool mark-study opportunities in the field of archaeological researches. One of these data collection techniques is short-rang...
AUTOMATED FEATURE BASED TLS DATA REGISTRATION FOR 3D BUILDING MODELING
TLS Point Cloud Segmentation Registration Feature Extraction
2014/4/28
In this paper we present a novel method for the registration of point cloud data obtained using terrestrial laser scanner (TLS). The final goal of our investigation is the automated reconstruction of ...
KALMAN FILTER BASED FEATURE ANALYSIS FOR TRACKING PEOPLE FROM AIRBORNE IMAGES
Image sequences Airborne images People tracking Tracking multiple objects
2014/6/5
Recently, analysis of man events in real-time using computer vision techniques became a very important research field. Especially,
understanding motion of people can be helpful to prevent unple...
Feature selection from high resolution remote sensing data for biotope mapping
Feature selection/extraction texture biotope/habitat mapping
2014/6/5
Mapping of Landscape Protection Areas with regard to user requirements for detailed land cover and biotope classes has been limited
by the spatial and temporal resolution of Earth observation data. ...
A TOOL FOR OBJECT DESCRIPTIVE FEATURE EXTRACTION: APPLICATION TO IMAGE CLASSIFICATION AND MAP UPDATING
Feature extraction object-oriented classification high-resolution imagery land cover mapping
2014/6/12
A software tool specifically designed for the extraction of multi-criteria features from image objects is described, as well as an application example. The input data are typic...
FEATURE SELECTION METHODS FOR OBJECT-BASED CLASSIFICATION OF SUB-DECIMETER RESOLUTION DIGITAL AERIAL IMAGERY
object-based image analysis (OBIA) feature selection high resolution aerial photography vegetation classification accuracy
2014/6/12
The availability of numerous spectral, spatial, and contextual features renders the selection of optimal features a time consuming and subjective process in object-based image analysis (OBIA). While ...