搜索结果: 1-8 共查到“测绘科学技术 Edge Detection”相关记录8条 . 查询时间(0.093 秒)
DIFFERENTIAL SEARCH ALGORITHM BASED EDGE DETECTION
Differential Search Algorithm Edge Detection Image Fusion
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2016/11/23
In this paper, a new method has been presented for the extraction of edge information by using Differential Search Optimization Algorithm. The proposed method is based on using a new heuristic image t...
A NOVEL EDGE-DETECTION BASED SEGMENTATION ALGORITHM FOR POLARIMETRIC SAR IMAGES
Pattern Recognition Segmentation Image understanding Feature extraction Land Cover
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2015/12/30
Aiming at overcoming the disadvantages of the algorithm proposed by White, R. G. (RGW) and making it applicable for PolSAR data classification, a novel edge-detection algorithm based on segmentation f...
BUILDING ROOF RECONSTRUCTION FROM LIDAR DATA AND AERIAL IMAGES THROUGH PLANE EXTRACTION AND COLOUR EDGE DETECTION
Laser Sanning (LiDAR) Building Rconstruction Aerial Photogrammetry Data Integration Urban planning Image Pocessing
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2015/12/23
In this paper a strategy for 3D reconstruction of building roofs from airborne laser scanning and aerial images is discussed. In order to keep it as general as possible, no predefined primitives or gr...
An Edge Detection Algorithms for Remote Sensing Image
Multispectral RS image Edge detection Object-cloud Multi-dimensional spatial mapping model
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2015/12/8
An edge detection algorithm for multispectral remote sensing image is proposed in this paper. According to the uncertainty of the objects in the RS image and the characters of multispectral image, we ...
Automatic thresholding for edge detection in sar imagery
SAR Imagery Edge Detection Thresholding Ratio of Averages
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2015/8/20
A few edge detectors are derived from the contrast ratio edge detector to extract linear features from SAR imagery with a constant
probability of false alarm. But all of these detectors need one or m...
COMPARISON OF EDGE DETECTION AND HOUGH TRANSFORM TECHNIQUES FOR THE EXTRACTION OF GEOLOGIC FEATURES
Remote Sensing Geomorphology Algorithms Feature
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2015/6/2
Photointerpretation of geologic lineaments is a subjective process. Therefore there is a need for automation of lineament mapping
using optimal edge detection techniques. Efforts made in this direct...
EDGE DETECTION IN GEOLOGIC FORMATION EXTRACTION: CLOSE RANGE AND REMOTE SENSING CASE STUDIES
Analog Non-metric Camera Geology Automation Edge Extraction
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2015/5/27
Edge detection is one of the most frequently used techniques in digital image processing. Its application area reaches from astronomy to medicine where isolation of objects focused on from the unwante...
A NOVEL APPROACH FOR EDGE DETECTION OF LOW CONTRAST SATELLITE IMAGES
Sobel Edge Detector Fractional Order Differentiator Chebyshev Polynomial based Approximation Satellite Images
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2015/4/1
Discrimination between texture edges and geometrical edges is very difficult in low contrast images. Satellite images are low contrast images. It is important to extract the edges that are not clearly...