搜索结果: 46-60 共查到“测绘科学技术 Point Cloud”相关记录80条 . 查询时间(0.043 秒)
UAV-BASED ACQUISITION OF 3D POINT CLOUD–A COMPARISON OF A LOW-COST LASER SCANNER AND SFM-TOOLS
Unmanned aerial vehicle 3D point cloud LIDAR structure from motion laser scanning range finder RGB camera
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2015/9/21
The Project ADFEX (Adaptive Federative 3D Exploration of Multi Robot System) pursues the goal to develop a time- and cost-efficient system for exploration and monitoring task of unknown areas or build...
CLASSIFICATION OF BIG POINT CLOUD DATA USING CLOUD COMPUTING
Point cloud Machine learning Cloud computing Big data
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2015/9/21
Point cloud data plays an significant role in various geospatial applications as it conveys plentiful information which can be used for different types of analysis. Semantic analysis, which is an impo...
Archaeology is a discipline closely related to the representation of objects that are at the center of its concerns. At different times of
the archaeological method, representation approach takes dif...
PLANAR CONSTRAINTS FOR AN IMPROVED UAV-IMAGE-BASED DENSE POINT CLOUD GENERATION
Image Matching Dense Point Cloud UAV Images Segmentation
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2015/9/10
In this paper, we proposed a new refinement procedure for the semi-global dense image matching. In order to remove outliers and improve the disparity image derived from the semi-global algorithm, both...
UAV-BASED POINT CLOUD GENERATION FOR OPEN-PIT MINE MODELLING
Unmanned Aerial Vehicle System Integration Sensor Calibration Structure from Motion Sparse and Dense Matching Open-Pit Mine Three-dimensional Modelling
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2015/9/10
Along with the advancement of unmanned aerial vehicles (UAVs), improvement of high-resolution cameras and development of vision-based mapping techniques, unmanned aerial imagery has become a matter of...
ALIGNMENT OF POINT CLOUD DSMs FROM TLS AND UAV PLATFORMS
Point Clouds Alignment UAV TLS Matching
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2015/9/10
The co-registration of 3D point clouds has received considerable attention from various communities, particularly those in photogrammetry, computer graphics and computer vision. Although significant p...
Segmentation-Based Ground Points Detection from Mobile Laser Scanning Point Cloud
Filtering Mobile Laser Scanning Point Cloud Point Cloud Segmentation
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2015/7/27
In most Mobile Laser Scanning (MLS) applications, filtering is a necessary step. In this paper, a segmentation-based filtering method is proposed for MLS point cloud, where a segment rather than an in...
VIDEO-BASED POINT CLOUD GENERATION USING MULTIPLE ACTION CAMERAS
Action cameras Image Video Point clouds
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2015/5/21
Due to the development of action cameras, the use of video technology for collecting geo-spatial data becomes an important trend. The objective of this study is to compare the image-mode and video-mod...
CREATING PRODUCT MODELS FROM POINT CLOUD OF CIVIL STRUCTURES BASED ON GEOMETRIC SIMILARITY
Point Cloud CIM Geometric Similarity Surface Reconstruction
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2015/5/21
The existing civil structures must be maintained in order to ensure their expected lifelong serviceability. Careful rehabilitation and maintenance planning plays a significant role in that effort. Rec...
A RESEARCH ON THE HIERARCHY AND COMPLETENESS OF ROOF TOPOLOGY FOR ROBUST BUILDING RECONSTRUCTION FROM AIRBORNE POINT CLOUD
3D Building Reconstruction Point Cloud Level of Details Roof Topology Graph Topology Completeness
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2015/5/21
In this work, we concentrate on the hierarchy and completeness of roof topology, and the aim is to avoid or correct the errors in roof topology. The hierarchy of topology is expressed by the hierarchi...
FROM POINT CLOUD TO SURFACE: THE MODELING AND VISUALIZATION PROBLEM
Modeling Reconstruction Visualization
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2015/5/19
In this paper we address all the problems and solutions of converting a measured point cloud into a realistic 3D polygonal model that can satisfy high modeling and visualization demands. Close range p...
SEGMENTATION AND CROWN PARAMETER EXTRACTION OF INDIVIDUAL TREES IN AN AIRBORNE TOMOSAR POINT CLOUD
Synthetic Aperture Radar (SAR) Multi-Aspect TomoSAR Point Clouds,Trees 3D Reconstruction Forested Areas
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2015/4/1
The analysis of individual trees is an important field of research in the forest remote sensing community. While the current state-of-theart mostly focuses on the exploitation of optical imagery and a...
FACADE RECONSTRUCTION USING GEOMETRIC AND RADIOMETRIC POINT CLOUD INFORMATION
Mobile Mapping Point Cloud Faç ade Reconstruction Segmentation
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2015/4/1
This paper aims at façade reconstruction for subsequent enrichment of LOD2 building models. We use point clouds from dense image matching with imagery both from Mobile Mapping systems and oblique...
SEGMENTATION OF UAV-BASED IMAGES INCORPORATING 3D POINT CLOUD INFORMATION
Image segmentation Building detection UAV images 3D point cloud Texture Region growing
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2015/4/1
Numerous applications related to urban scene analysis demand automatic recognition of buildings and distinct sub-elements. For example, if LiDAR data is available, only 3D information could be leverag...
3D POINT CLOUD MODEL COLORIZATION BY DENSE REGISTRATION OF DIGITAL IMAGES
Point clouds Virtual and Visual Servoing Images Registration Colorization
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2015/3/3
Architectural heritage is a historic and artistic property which has to be protected, preserved, restored and must be shown to the public. Modern tools like 3D laser scanners are more and more used in...