搜索结果: 16-30 共查到“测绘科学技术 feature extraction”相关记录37条 . 查询时间(0.093 秒)
Development of Digital Surface Model and Feature Extraction By Integrating Laser Scanner and Ccd Sensor With Imu
Laser Scanning CCD IMU
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2015/7/15
Three dimension data are in great demand for the various applications such as 3D GIS, navigation, digital archive, simulation,
computer games, and so on. In order to represent space in details, it is...
Texture Feature Extraction for Classification of Remote Sensing Data Using Wavelet Decomposition: A Comparative Study
Texture classification multiresolution analysis wavelets
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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...
ON-BOARD SATELLITE IMAGE COMPRESSION BY OBJECT-FEATURE EXTRACTION
Satellite Hyper Spectral On-line
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2015/6/2
Recent developments in sensor technology make possible Earth observational remote sensing systems with high spectral resolution
and data dimensionality. As a result, the flow of data from satellite-...
AUTOMATIC LINEAR FEATURE EXTRACTION OF IRANIAN ROADS FROM HIGH RESOLUTION MULTI-SPECTRAL SATELLITE IMAGERY
Extraction Fuzzy Logic IKONOS
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2015/6/2
Attaining geospatial information is a challenge for many scientific practitioners. Such information is a necessary tool for spatial
decision making. Remote Sensing (RS) is the leading art/science pr...
PERFORMANCE EVALUATION IN NATURAL AND CONTROLLED ENVIRONMENTS APPLIED TO FEATURE EXTRACTION PROCEDURES
Algorithms Performance Environment
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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
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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...
FEATURE EXTRACTION FROM GEOEYE-1 STEREO PAIRS DATA FOR FORESTED AREA
Geoeye-1 Stereo pairs High Pass Filter fusion technique
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2015/5/6
Remote sensing facilitates the extraction of information for earth’s surface through its capability of acquiring images covering large areas and the availability of commercial software for their pro...
RECONSTRUCTING TREE CROWNS FROM LASER SCANNER DATA FOR FEATURE EXTRACTION
Reconstruction Feature Extraction Laser Scanning
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2015/3/25
The objective of this study was to carry out reconstruction of single tree crowns from laser scanner data to use the obtained vector
model for feature extraction. The reconstruction was implemented i...
FEATURE EXTRACTION FOR QUALITY ASSESSMENT OF AERIAL IMAGE SEGMENTATION
Protocol, Performance, Segmentation
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2015/3/24
We present a new evaluation methodology and a feature extraction scheme for segmentation algorithms in the context
of photo-interpretation. The novelty of the proposed methodology is that subjective ...
HEURISTIC FILTERING AND 3D FEATURE EXTRACTION FROM LIDAR DATA
LIDAR feature extraction building extraction
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2015/3/24
The need for a fast, efficient and low cost algorithm for extracting 3D features in urban areas is increasing. Consequently, research
in feature extraction has intensified. In this paper we present ...
ASSESSMENT OF TWO CHEAP CLOSE-RANGE FEATURE EXTRACTION SYSTEMS
EXTRACTION SYSTEMS CHEAP CLOSE-RANGE
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2015/3/24
The use of non-metric cameras in photogrammetric applications is considered under very strict constraints due to their instability and
lack of fiducial coordinate system. Architectural building docu...
MULTI-SOURCE FEATURE EXTRACTION AND VISUALIZATION IN URBAN ENVIRONMENTS
Sensor Model Invariance Hyperspectral Building Extraction Road Grid Visualization
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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
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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
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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...
DIGITAL SYSTEMS FOR AUTOMATED CARTOGRAPHIC FEATURE EXTRACTION
Digital photogrammetry semi-automation digital imagery digital surface models web-top photogrammetry
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2014/12/30
Major research and development efforts are put on the automated extraction of man-made structures, like roads and buildings from digital aerial and space imagery. The approaches range from manual meth...