搜索结果: 1-11 共查到“测绘科学技术 CONTOURS”相关记录11条 . 查询时间(0.062 秒)
AN IMPROVED SNAKE MODEL FOR REFINEMENT OF LIDAR-DERIVED BUILDING ROOF CONTOURS USING AERIAL IMAGES
Building Roof Contour Refinement Aerial Images Snake Model Greedy Algorithm
2016/7/27
Building roof contours are considered as very important geometric data, which have been widely applied in many fields, including but not limited to urban planning, land investigation, change detection...
Geometric Refinement of LIDAR Roof Contours Using Photogrammetric Data and Markov Random Field Model
Digital Photogrammetry Building Reconstruction Spatial Analysis
2015/12/16
In this paper, a methodology is proposed for the geometric refinement of LiDAR building roof contours using high-resolution aerial images and Markov Random Field (MRF) models. The proposed methodology...
A Three-dimensional Error Model of DEM Based on the Reconstruct Contours
DEM contour line precision analysis three-dimensional model error mean square error
2015/12/3
In this paper, a three-dimensional error model of grid digital elevation model (DEM) is proposed based on the reconstructed contours. Though analyzing the construction of three-dimensional error model...
SAR IMAGE SEGMENTATION THROUGH B-SPLINE DEFORMABLE CONTOURS AND FRACTAL DIMENSION
change detection classifi cation edge extraction
2015/6/1
Synthetic Aperture Radar (SAR) images are usually corrupted by a signal-dependent non-additive noise called speckle.
This makes difficult the segmentation, object identification, and feat...
SEMI AUTOMATIC DIGITIZING OF CONTOURS FROM 1:25000 SCALED MAPS
Digitization Extraction Rectification Algorithms Raster Vector
2015/6/1
It is an expensive and time consuming task to digitize 1:25000 scaled maps which are made in the past with analogue methods. The
development in digital image processing depending on the development ...
TERRAIN MODELLING BASED ON CONTOURS AND SLOPES.
A PHYSICS-BASED MODEL FOR ACTIVE CONTOURS: A COMPUTATIONAL ALGEBRAIC TOPOLOGY APPROACH
A PHYSICS-BASED MODEL ACTIVE CONTOURS A COMPUTATIONAL ALGEBRAIC TOPOLOGY APPROACH
2015/3/16
A PHYSICS-BASED MODEL FOR ACTIVE CONTOURS: A COMPUTATIONAL ALGEBRAIC TOPOLOGY APPROACH.
SPATIAL DATABASE UPDATING USING ACTIVE CONTOURS FOR MULTISPECTRAL IMAGES: APPLICATION WITH LANDSAT7
Active contours snakes multi-spectral imagery spatial data integration
2015/3/6
This paper presents a fully automated system for area detection based on satellite images and topographic features from a database. The surfaces issued from the database are refined using active conto...
FROM IMAGE CONTOURS TO PIXELS
Image processing Image compression Image contours Image reconstruction
2014/4/28
This paper relates to the reconstruction of digital images using their contour representations. The process involves determining the pixel intensity value which would exist at the intersections of a r...
THE USE OF ACTIVE CONTOURS FOR THE DETECTION OF COASTLINES IN SAR IMAGES: A MODULAR KNOWLEDGE-BASED FRAMEWORK
SAR coastal coastlines segmentation, computer vision intertidal fl ats Wadden Sea
2014/6/5
Over the last years, active contour methods have become a basic tool in computer vision. They have proven to be efficient for various
image processing applications, like reconstruction of the e...
LOCAL POLYNOMIAL RECONSTRUCTION OF INTENSITY DATA AS BASIS OF DETECTING HOMOLOGOUS POINTS AND CONTOURS WITH SUBPIXEL ACCURACY APPLIED ON IMAGER 5003
laser scanning, image processing
2015/5/27
Laserscanners are used more and more as surveying instruments for various applications in industry as well as in architectural
heritage conservation. With the advance of high precision systems, capa...