搜索结果: 151-165 共查到“测绘科学技术 aerial”相关记录381条 . 查询时间(0.031 秒)
CORRELATION OF OBJECT-BASED TEXTURE MEASURES AT MULTIPLE SCALES IN SUB-DECIMETER RESOLUTION AERIAL PHOTOGRAPHY
texture segmentation correlation multiresolution
2015/11/16
Texture measures are commonly used to increase the number of input bands in order to improve classification accuracy, especially
for panchromatic or true colour imagery. While the use of texture mea...
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...
SINGLE-TREE FOREST INVENTORY USING LIDAR AND AERIAL IMAGES FOR 3D TREETOP POSITIONING,SPECIES RECOGNITION,HEIGHT AND CROWN WIDTH ESTIMATION
Allometry Modeling Mapping Sampling Photo-plot Calibration Multi-Scale Matching Template
2015/11/10
An entire single-tree remote sensing (STRS) system was developed and tested in an inventory of timber resources of a 56.8-hectare forest. A semi-automatic approach with operator intervention is used i...
ADAPTIVE FILTERING OF AERIAL LASER SCANNING DATA
LIDAR Classification Algorithms DEM/DTM Automation
2015/11/10
Filtering non-terrain points from raw laser scanning data is the most important goal to improve productivity in DTM generation.Filtering algorithms are built on assumptions about what discriminates te...
Fusion of High-Resolution Aerial Imagery and LIDAR Data for Object-oriented Urban Land-cover Classification Based on SVM
Aerial imagery Light Detection and Ranging Image Fusion Object-oriented Classification Land-cover Classification Support Vector Machine
2015/10/12
We present a new object-oriented land cover classification method based on Support Vector Machine (SVM) by fusing spectral and
textural information of High-Resolution (HR) aerial imagery and Digital...
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...
COLOR AND LIDAR DATA FUSION:APPLICATION TO AUTOMATIC FOREST BOUNDARY DELINEATION IN AERIAL IMAGES
Forest Boundary Delineation Gabor Filters LIDAR Aerial images Data Fusion
2015/9/17
Forest boundary delineation is one of the key issues of forest management for Swiss National Forest Inventory (NFI). The proposed approach in this paper focuses on the delineation of forest boundaries...
MAPPING CAPABILITY OF A LOW-COST AERIAL DATA ACQUISITION PLATFORM–FIRST RESULTS
low-cost platform GPS IMU aerial data acquisition building extraction surface mapping
2015/9/17
Based on a first prototype, an improved low-cost aerial platform was developed at the Institute of Digital Image Processing in order to be used for immediate acquisition and processing of image data w...
INCORPORATION OF ALLOMETRY INTO SINGLE-TREE REMOTE SENSING WITH LIDAR AND MULTIPLE AERIAL IMAGES
Forest Inventory Mapping Positioning Adjustment Height Estimation Crown modeling Allometric Modeling
2015/9/17
A complete single-tree remote sensing (STRS) system is presented and a restricted test of performance is given. The system can be used for solving the tasks of STRS: tree positioning, height estimatio...
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...
DETECTION AND TRACKING OF VEHICLES IN LOW FRAMERATE AERIAL IMAGE SEQUENCES
Vehicle Detection Vehicle Tracking Traffic Monitoring Traffic Parameters
2015/9/17
Traffic monitoring requires mobile and flexible systems that are able to extract densely sampled spatial and temporal traffic data in large areas in near-real time. Video-based systems mounted on aeri...
IMPLEMENTATION OF AN UNMANNED AERIAL VEHICLE SYSTEM FOR LARGE SCALE MAPPING
UAV Drones DIY Mapping GNSS Autopilot Aerial Photography
2015/9/10
Unmanned Aerial Vehicles (UAVs), digital cameras, powerful personal computers, and software have made it possible for geomatics professionals to capture aerial photographs and generate digital terrain...
UNMANNED AERIAL VEHICLES FOR ALIEN PLANT SPECIES DETECTION AND MONITORING
Automated processing APM Plane Fixed-wing platform Geometric and radiometric correction Invasive species Mapping Object- and pixel-based classification
2015/9/10
Invasive species spread rapidly and their eradication is difficult. New methods enabling fast and efficient monitoring are urgently needed for their successful control. Remote sensing can improve earl...
INTEGRATING TERRESTRIAL LIDAR WITH POINT CLOUDS CREATED FROM UNMANNED AERIAL VEHICLE IMAGERY
Unmanned Aerial Vehicle Terrestrial LiDAR Point Cloud Data Fusion
2015/9/10
Using unmanned aerial vehicles (UAV) for the purposes of conducting high-accuracy aerial surveying has become a hot topic over the last year. One of the most promising means of conducting such a surve...
REGION-BASED 3D SURFACE RECONSTRUCTION USING IMAGES ACQUIRED BY LOW-COST UNMANNED AERIAL SYSTEMS
Reconstruction Unmanned Aerial Systems (UAS) Semi-Global dense Matching (SGM) Segmentation Texturing
2015/9/10
Accurate 3D surface reconstruction of our environment has become essential for an unlimited number of emerging applications. In the past few years, Unmanned Aerial Systems (UAS) are evolving as low-co...