搜索结果: 91-105 共查到“工学 Point Cloud”相关记录129条 . 查询时间(0.056 秒)
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
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
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
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
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...
Semantic labelling of urban point cloud data
Building Reconstruction urban modelling LiDAR,segmentation
2014/12/16
Three dimensional urban reconstruction is gaining popularity with the paradigm shift from 2D maps to 3D maps. LiDAR remote sensing is emerging as the main source of 3D spatial data because of its very...
Evaluation of Partially Overlapping 3D Point Cloud's Registration by using ICP variant and CloudCompare
TLS Laser Scanning Point Cloud Matching ICP Error Visualization
2014/12/16
Terrestrial Laser Scanners (TLS) are used to get dense point samples of large object’s surface. TLS is new and efficient method to digitize large object or scene. The collected point samples come into...
Point Cloud Generation from sUAS-Mounted iPhone Imagery: Performance Analysis
small UAS iPhone point cloud generation ortho photo quality control
2014/12/4
The rapidly growing use of sUAS technology and fast sensor developments continuously inspire mapping professionals to experiment with low-cost airborne systems. Smartphones has all the sensors used in...
FILTERING OF LIDAR POINT CLOUD USING A STRIP BASED ALGORITHM IN RESIDENTIAL MOUNTAINOUS AREAS
Segmentation Filtering LIDAR Point cloud strip based filtering
2014/12/1
Several algorithms have been developed to automatically detect the bare earth in LIDAR point clouds referred to as filtering. Previous experimental study on filtering algorithms determined that in fla...
Raster Vs. Point Cloud LiDAR Data Classification
LiDAR intensity data Land Cover classification Point Clouds
2014/9/29
Airborne Laser Scanning systems with light detection and ranging (LiDAR) technology is one of the fast and accurate 3D point data acquisition techniques. Generating accurate digital terrain and/or sur...
Efficient point cloud collision detection and analysis in a tunnel environment using kinematic laser scanning and K-D Tree search
Collision Detection K-D Tree Kinematic Laser Scanning 3D Point Clouds
2014/9/9
Measuring the structure gauge of tunnels and other narrow passages has so far been the only way to evaluate whether large vehicles can pass through them. But especially for very long vehicles like tra...
Stereo Model Selection and Point Cloud Filtering using an Out-of-Core Octree
Matching Point Cloud Photogrammetry Processing Integration Fusion Sampling
2014/9/9
Dense image matching methods enable the retrieval of dense surface information using any kind of imagery. The best quality can be achieved for highly overlapping datasets, which avoids occlusions and ...
Interactive Trunk Extraction from Forest Point Cloud
Terrestrial Laser Scanning Forest, User-Interaction
2014/7/30
For forest management or monitoring, it is required to constantly measure several parameters of each tree, such as height, diameter at breast height, and trunk volume. Terrestrial laser scanner has be...
Point cloud-based survey for cultural heritage – An experience of integrated use of range-based and image-based technology for the San Francesco convent in Monterubbiano
SFM TOF laser scanning UAV 3D data integration
2014/7/30
The paper aims at presenting some results of a point cloud-based survey carried out through integrated methodologies based on active and passive 3D acquisition techniques for processing 3D models. Thi...
AUTOMATIC FEATURE-BASED POINT CLOUD REGISTRATION FOR A MOVING SENSOR PLATFORM
LIDAR Point Cloud Registration Imagery Dynamic Close Range
2014/4/24
The automatic and accurate alignment of multiple point clouds is a basic requirement for an adequate digitization, reconstruction and interpretation of large 3D environments. Due to the recent technol...
OBJECT-BASED ANALYSIS OF AERIAL PHOTOGRAMMETRIC POINT CLOUD AND SPECTRAL DATA FOR LAND COVER MAPPING
Photogrammetry Point cloud Object-Based Image Analysis (OBIA) Land cover mapping Image matching Forest
2014/4/24
The acquisition of 3D point data with the use of both aerial laser scanning (ALS) and matching of aerial stereo images coupled with advances in image processing algorithms in the past years provide op...