搜索结果: 1-15 共查到“测绘科学技术 Digital Surface models”相关记录25条 . 查询时间(0.64 秒)
BUILDING DETECTION USING AERIAL IMAGES AND DIGITAL SURFACE MODELS
Building detection variational inference logistic regression Bag-of-Words (BoW) conditional random fields aerial images classification
2017/7/12
In this paper a method for building detection in aerial images based on variational inference of logistic regression is proposed. It consists of three steps. In order to characterize the appearances o...
EXPLOITATION OF DIGITAL SURFACE MODELS GENERATED FROM WORLDVIEW-2 DATA FOR SAR SIMULATION TECHNIQUES
Synthetic Aperture Radar Digital Surface Models Simulation Urban areas
2017/7/12
GeoRaySAR, an automated SAR simulator developed at DLR, identifies buildings in high resolution SAR data by utilizing geometric knowledge extracted from digital surface models (DSMs). Hitherto, the si...
COMPARISON OF DIGITAL SURFACE MODELS FOR SNOW DEPTH MAPPING WITH UAV AND AERIAL CAMERAS
snow height dense point cloud digital surface model aerial camera
2016/11/30
Photogrammetric workflows for aerial images have improved over the last years in a typically black-box fashion. Most parameters for building dense point cloud are either excessive or not explained and...
MERGING DIGITAL SURFACE MODELS IMPLEMENTING BAYESIAN APPROACHES
Bayesian approaches Likelihood local entropy Merging DSMs WorldView-1 Pleiades
2016/11/24
In this research different DSMs from different sources have been merged. The merging is based on a probabilistic model using a Bayesian Approach. The implemented data have been sourced from very high ...
DGPF Project: Evaluation of Digital Photogrammetric Aerial Based Imaging Systems – Generation of Digital Surface Models
DGPF camera evaluation project high resolution digital sensors aerial imaging systems DSM generation
2016/1/25
The Chair of Photogrammetry and Remote Sensing, ETH Zurich is one of the contract partners of the project „Evaluierung digitaler
photogrammetrischer Luftbildkamerasysteme“ which was initiated ...
Automated Updating of Building Data Bases from Digital Surface Models and Multi-Spectral Images: Potential and Limitations
Change Detection Digital Surface Models Data Fusion
2015/12/4
A method for automatic updating of building data bases from Digital Surface Models (DSM) and a normalised difference vegetation index is evaluated. The DSM can be generated from Airborne Laserscanner ...
A ROBUST ALGORITHM FOR ESTIMATING DIGITAL TERRAIN MODELS FROM DIGITAL SURFACE MODELS IN DENSE URBAN AREAS
DSM DTM Elastic Grid Outliers Robust Statistics
2015/8/31
This paper describes an algorithm in order to derive DTMs (Digital Terrain Models) from correlation DSMs (Digital Surface Models) and above-ground (buildings and vegetation) masks in dense urban areas...
A ROBUST ALGORITHM FOR ESTIMATING DIGITAL TERRAIN MODELS FROM DIGITAL SURFACE MODELS IN DENSE URBAN AREAS
DSM DTM Elastic Grid Outliers Robust Statistics
2015/8/28
This paper describes an algorithm in order to derive DTMs (Digital Terrain Models) from correlation DSMs (Digital Surface Models) and above-ground (buildings and vegetation) masks in dense urban areas...
HIGH-RESOLUTION SATELLITE IMAGING FOR DIGITAL SURFACE MODELS
High resolution mapping satellite imagery SPOT5 stereo
2015/8/17
Elevation information is an important component of any geospatial database. It is imperative for applications such as
topographic mapping, spatial and temporal change detection, feature extraction a...
Generation of Digital Surface Models for Architectural Applications With Archimedes3d
Surveying Digital Photogrammetry Architecture
2015/7/14
Orthoimages are well suited for architectural documentation. The most challenging part of their generation is the determination of
the Digital Surface Model (DSM). There are some different techniques...
A Methodological Proposal for Improvement of Digital Surface Models generated By Automatic Stereo Matching of Convergent Image Networks
Cultural Heritage Architecture Statistics
2015/7/14
A Digital Surface Model (DSM) generated by automatic stereo matching of convergent image networks includes a great number of
3D-points that come from diverse combinations of stereo-pairs. This points...
Investigating the Spatial Structure of Error in Digital Surface Models Derived from Laser Scanning Data
digital surface models surface roughness segmentation
2015/5/26
Laser scanning produces a set of irregularly spaced data points, the values of which indicate the height of the
surface above datum. These data are frequently used for creating digital surface model...
DEVELOPMENT OF A METHOD NETWORK FOR OBJECT RECOGNITION USING DIGITAL SURFACE MODELS
DEVELOPMENT OF A METHOD NETWORK OBJECT RECOGNITION DIGITAL SURFACE MODELS
2015/3/16
DEVELOPMENT OF A METHOD NETWORK FOR OBJECT RECOGNITION USING DIGITAL SURFACE MODELS.
REGION-BASED ANALYSIS OF DIGITAL SURFACE MODELS
Digital Surface Models DSM multi-scale region-based
2015/3/6
The current status in spatial data handling can be characterized in such a way that tremendous efforts have been made to deliver more data in shorter times by using new sensors and the benefits of the...
MODEL INDEPENDENT OBJECT EXTRACTION FROM DIGITAL SURFACE MODELS
DSM building extraction urban characterization
2014/12/31
This paper is devoted to analyze and improve a recently introduced technique that may be applied to Digital Surface Models (DSMs) produced by different sensors (Interferometric SAR, for instance, or L...