搜索结果: 1-15 共查到“测绘科学技术 Edge”相关记录39条 . 查询时间(0.121 秒)
DIFFERENTIAL SEARCH ALGORITHM BASED EDGE DETECTION
Differential Search Algorithm Edge Detection Image Fusion
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...
COMPARING BROAD-BAND AND RED EDGE-BASED SPECTRAL VEGETATION INDICES TO ESTIMATE NITROGEN CONCENTRATION OF CROPS USING CASI DATA
LNC SVIs NDVI broad-band red edge-based CASI
2016/11/23
In recent decades, many spectral vegetation indices (SVIs) have been proposed to estimate the leaf nitrogen concentration (LNC) of crops. However, most of these indices were based on the field hypersp...
A METHOD OF HIGH-RESOLUTION REMOTE SENSING IMAGES BUILDING ON EDGE EXTRACTION
Aerial Images Building Contour Building Recognition Edge Extraction Edge Extraction Semi-Automatic
2015/12/31
This paper proposes a method of high-resolution remote sensing image of buildings on semi-automatic edge extraction. The first, pre-process remote sensing image and detecting all the edge; the second,...
EDGE FINING ALGORITHM OF TEXTURE CLASSIFICATION FOR HIGH RESOLUTION REMOTE SENSING IMAGES
Image interpretation Classification Image understanding Texture Analysis Land Cover High resolution Image
2015/12/31
In order to improve the classification accuracy of the high resolution remote sensing images, the algorithm based on texture features is proposed in this paper. The image is classified initially by te...
A NOVEL EDGE-DETECTION BASED SEGMENTATION ALGORITHM FOR POLARIMETRIC SAR IMAGES
Pattern Recognition Segmentation Image understanding Feature extraction Land Cover
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
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...
Vectorization, Edge Preserving Smoothing and Dimensioning of Profiles in Laser Scanner Point Clouds
Laser scanning Edge preserving smoothing Profile
2015/12/16
The 3D geometry of an object can be captured very efficiently using a terrestrial laser scanner. By modelling and visualisation of
these 3D data, it is possible to obtain vectorized geometric informa...
Research on Edge Extraction with Level Set Method
Remote Sensing Image processing Edge Extraction Level Set C-V model
2015/12/16
Image edge detection or extraction is always a research hotspot in remote sensing image processing. Up to now, there are many methods have been used in this area, such as threshold segmentation, edge ...
KINECT, A NOVEL CUTTING EDGE TOOL IN PAVEMENT DATA COLLECTION
Kinect sensor Pavement Management Crack Pothole Defect Detection Data Collection
2016/1/15
Pavement roughness and surface distress detection is of interest of decision makers due to vehicle safety, user satisfaction, and cost saving. Data collection, as a core of pavement management systems...
Automatic Edge Matching Across an Image Sequence Based on Reliable Points
Image sequence Video Edge Matching Analysis Reconstruction
2015/12/9
This paper presents a new method for matching edges across a video image sequence. The method can deal with uncalibrated images acquired with a hand held camera. Compared to previous work, the method ...
Edge Extraction Algorithm Based on Linear Perception Emhancement
Image understanding Edge detection Computer Vision Cluster Analysis Urban planning Aerial photogrammetry
2015/12/9
Edges are very important clues for building reconstruction in city-modeling. But some weak edges, such as roofs’ ridges, are often similar to the background in intensity which causes low gradient magn...
An Edge Detection Algorithms for Remote Sensing Image
Multispectral RS image Edge detection Object-cloud Multi-dimensional spatial mapping model
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 ...
A Multi-temporal Image Registration Method Based on Edge Matching and Maximum Likelihood Estimation Sample Consensus
Change Detection Remote Sensing Registration Edge Matching
2015/12/8
In the paper, we propose a newly registration method for multi-temporal image registration. Multi-temporal image registration has two difficulties: one is how to design matching strategy to gain enoug...
Building Extraction from High Resolution Color Imagery Based on Edge Flow Driven Active Contour And JSEG
Building Extraction Active contour Level set method Segmentation Edge flow JSEG
2015/12/4
Building extraction and delineation is one of the most salient problems in cartographic features extraction. This paper presents a novel framework for reliable and accurate building extraction from hi...
Research on the Edge of RS Image Based on Cloud Model
Image Edge Model Spectral Fuzzy Logic Cloud model
2015/12/1
To extract rules for detecting edges, it is helpful to have some familiarity with different kinds of edges in order to construct a suitable characterization. Typically, researchers have characterized ...