搜索结果: 76-90 共查到“工学 Aerial images”相关记录92条 . 查询时间(0.093 秒)
KNOWLEDGE BASED SYSTEM FOR THE AUTOMATIC EXTRACTION OF ROAD INTERSECTIONS FROM AERIAL IMAGES
Aerial image interpretation road extraction road intersection models Hough transform
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2014/12/31
A National Geographic Agency is a mapmaker and a database producer. The current manual stereoplotting of cartographic objects is time consuming. To reduce this production cost, we are working on probl...
AUTOMATIC CARTOGRAPHY FROM AERIAL IMAGES (SITE OF SALE, MOROCCO)
Maps Aerial Photos Neural Network Image Processing Pattern Recognition Interpretation Geographic Information System Remote Sensing
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2014/12/30
The maps or database of geographic objects (DBGO) are generally - except for some works [1,2,4,5] - create and update by topographers from measures executed on the lot. This manual update and creation...
AUTOMATIC MEASUREMENT OF SEWER MAN-HOLES IN LARGE SCALE AERIAL IMAGES
Aerial image automatic measurement coal mining digital photogrammetry
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2014/12/30
The geometric changes of the surface (subsidence and horizontal displacement) caused by coal mining can be determined by photogrammetry with a sufficient accuracy. As long time stable targets sewer ma...
Performance Validation of High Resolution Digital Surface Models Generated by Dense Image Matching with the Aerial Images
Performance Analyses DSM Image Matching Photogrammetry
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2014/12/4
The digital surface models (DSM) are the most popular products to determine visible surface of Earth which includes all non-terrain objects such as vegetation, forest, and man-made constructions. The ...
True orthophoto generation using multi-view aerial images
True orthophoto digital surface model occlusion detection building detection
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2014/9/9
Usually aerial imagery are acquired through perspective projection which results in relief displacement in the map. Therefore, orthophotos from large scale aerial images over urban area often suffer f...
MULTI-SCALE MATCHING FOR THE AUTOMATIC LOCATION OF CONTROL POINTS IN LARGE SCALE AERIAL IMAGES USING TERRESTRIAL SCENES
Photogrammetry Orientation SIFT Bundle adjustment Image chip
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2014/4/21
A technique to automatically locate Ground Control Points (GCPs) in large aerial images is presented considering the availability of low accuracy direct georeferencing data. The approach is based on i...
MULTIDIRECTIONAL BUILDING DETECTION IN AERIAL IMAGES WITHOUT SHAPE TEMPLATES
Directional Classification Building Detection Feature Extraction Aerial Image Detection
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2014/4/24
The aim of this paper is to exploit orientation information of an urban area for extracting building contours without shape templates. Unlike using shape templates, these given contours describe more ...
Validation of Vehicle Candidate Areas in Aerial Images Using Color Co-Occurrence Histograms
Vehicles aerial imagery traffic monitoring color co-occurrence histograms 3K+ camera system
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2014/4/22
Traffic monitoring plays an important role in transportation management. In addition, airborne acquisition enables a flexible and realtime mapping for special traffic situations e.g. mass events and d...
REMOVING SHADOWS FROM HIGH-RESOLUTION URBAN AERIAL IMAGES BASED ON COLOR CONSTANCY
Aerial images Color constancy Shadow detection Shadow removal Shades of Gray
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2014/4/28
A method is explored to remove tall building shadows in true color and color infrared urban aerial images based on the theory of color constancy. This paper first uses the specthem ratio and Otsu thre...
3D CLASSIFICATION OF CROSSROADS FROM MULTIPLE AERIAL IMAGES USING MARKOV RANDOM FIELDS
Markov Random Fields Contextual Classification Crossroads
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2014/4/28
The precise classification and reconstruction of crossroads from multiple aerial images is a challenging problem in remote sensing. We apply the Markov Random Fields (MRF) approach to this problem, a ...
ESTIMATING MIXED BROADLEAVES FOREST STAND VOLUME USING DSM EXTRACTED FROM DIGITAL AERIAL IMAGES
Forest Volume, Digital Surface Model, Aerial Image, Regression Method, Hyrcanian Forests
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2014/4/30
In mixed old growth broadleaves of Hyrcanian forests, it is difficult to estimate stand volume at plot level by remotely sensed data while LiDar data is absent. In this paper, a new approach has been ...
AERIAL IMAGES FROM AN UAV SYSTEM: 3D MODELING AND TREE SPECIES CLASSIFICATION IN A PARK AREA
Cultural Heritage Vegetation Classification Triangulation Infrared DEM/DTM Multisensor
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2014/4/25
The use of aerial imagery acquired by Unmanned Aerial Vehicles (UAVs) is scheduled within the FoGLIE project (Fruition of Goods Landscape in Interactive Environment): it starts from the need to enhanc...
EVALUATION OF SELECTED FEATURES FOR CAR DETECTION IN AERIAL IMAGES
vehicle detection aerial images Haar-like features HoG features
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2014/6/5
The extraction of vehicles from aerial images provides a wide area traffic situation within a short time. Applications for the gathered
data are various and reach from smart routing in the case...
ACCURATE MATCHING AND RECONSTRUCTION OF LINE FEATURES FROM ULTRA HIGH RESOLUTION STEREO AERIAL IMAGES
Line Matching Line Reconstruction Height Estimation
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2014/6/5
In this study, a new reconstruction approach is proposed for the line segments that are nearly-aligned (≤ 10o) with the epipolar line.
The method manipulates the redundancy inherent in line pair-rel...
FITTING OF PARAMETRIC BUILDING MODELS TO OBLIQUE AERIAL IMAGES
3D reconstruction, parametric building model, fi tting plane sweeping
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2014/6/5
In literature and in photogrammetric workstations many approaches and systems to automatically reconstruct buildings from remote
sensing data are described and available. Those building models are be...