搜索结果: 46-60 共查到“航空摄影测量 Aerial”相关记录129条 . 查询时间(0.076 秒)
DIGITAL PHOTOGRAMMETRIC PRODUCTS FROM AERIAL IMAGES,USED FOR IDENTIFYING AND DELIMITING FLOOD RISK AREAS
Aerial Photogrammetry Digital Elevation Model Image Understanding Feature Extraction Flooding Hazard
2015/12/28
Using the strategy applied by Federal Agency of Emergency Management from USA, geo-referenced photogrammetric products and digital water height data, recorded during floodings, can be used for generat...
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...
An Algorithm of Straight Line Features Matching on Aerial Imagery
Photogrammetry Aerial Imagery Algorithms Feature Extraction Matching Straight Line Extracting
2015/12/8
The paper presents a method of straight line feature matching on aerial imagery. In this method, many features such as geometrical features, physical features, as well as geometrical structure informa...
Filtering LIDAR Points by Fusion of Intensity Measures and Aerial Images
LIDAR point data laser returns intensity aerial images returns filtering
2015/12/8
Laser return intensity, delivering the surface reflectivity information in the laser wavelength, is function of many variables and ignored in most application projects. However, by a process of SILC (...
SWDC-4 Large Format Digital Aerial Camera System
Digital Aerial Camera Calibration Accuracy Analysis
2015/12/4
Digital aerial imaging becomes a hot topic since the ISPRS congress 2000 in Amsterdam.
A Software Package to Check the Aerial Frames Blocks from GPS/IMU-Assisted Cameras
Aerial photogrammetry Visualization Digital photogrammetry
2015/12/3
Verifying the correspondence between planned flight lines and actual ones just after the mission is critical to speed up internal quality controls as well as the external ones performed by the custome...
DragonFly - Interactive Visualization of Huge Aerial Image Datasets
Digital Photogrammetry Aerial images Interactive Visualization Interaction Large Datasets
2015/12/2
In recent years, digital aerial frame cameras got more and more attention in photogrammetry. A good example is the UltraCamX, which was introduced by Vexcel Imaging in Graz/Austria in 2006. This camer...
Shadow Detection of Urban Aerial Images Based on Partial Differential Equations
Shadow Detection Urban Aerial Image Partial Differential Equations Image Understanding Feature Detection
2015/12/2
Shadow detection plays an important role in digital aerial image processing. In this paper, shadow is treated as a special kind of image degradation. Shadow region commonly has lower brightness than n...
Integration of GPS/INS/Vision Sensors to Navigate Unmanned Aerial Vehicles
Aerial Fusion GPS/INS Multisensor Navigation Vision
2015/11/23
Two Kalman filers have been designed to operate separately to provide a reliable check on the navigation solutions. When GPS signals are available, the GPS measurements are used to update the error st...
Aerial Triangulation of Digital Aerial Imagery Using Hybrid Features
Aerial photogrammetry Orientation Digital Bundle Adjustment Collinearity Feature
2015/11/23
Exterior Orientation Parameters (EOPs) of imaging sensors are demanded in different mapping tasks such as orthophoto and DEM generation, 3D extraction and object reconstruction. Bundle adjustment is o...
Design and Actualization of the Aerial Photogrammetric System of the Low Altitude Unmanned Biplane
Autonomous Navigation Aerial Photography Non-Metric Digital Camera Calibration
2015/11/23
This paper designs and actualizes independently a set of the aerial photogrammetric system by the low altitude unmanned biplane for satisfying with the request of three-dimensional stereoplotting and ...
Small Format Digital Sensors for Aerial Imaging Applications
Aerial Multispectral Data Acquisition Geometric Radiometric Accuracy
2015/11/20
Small format aerial imaging sensors are important data acquisition tools, but their positive attributes are too often overlooked.Nowadays, as the number of users of spatial data are dramatically incre...
CLASSIFICATION TREE BASED BUILDING DETECTION FROM LASER SCANNER AND AERIAL IMAGE DATA
Building Detection Classification Segmentation Automation Laser scanning Aerial image
2015/11/10
A classification tree based approach for building detection was tested. A digital surface model (DSM) derived from last pulse laser scanner data was first segmented and the segments were classified in...
OPTIMISING THE WORKFLOW IN A HYBRID PRODUCTION SYSTEM OF ANALYTICAL AND DIGITAL PRODUCTION OF GEODATA USING AERIAL PHOTOGRAPHS
Photogrammetry Orientations Digital Analytical Aerial triangulation Digital Terrain Model Orthophoto
2015/9/28
Today, mapping technologies are in the midst of transition, from analogue and analytical to digital. The move to digital is being driven by the desire to increase production capability through compute...
AN ALGORITHM FOR VERICATION AND CHANGE DETECTION BETWEEN 3D GEOSPATIAL DATABASES AND AERIAL IMAGES
building detection change detection TOP10DK unsupervised segmentation covariance matrices
2015/9/17
An algorithm for building detection in aerial images is presented. The algorithm is based on a combination of unsupervised segmentation and selection of a training set based on existing building regis...