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EVALUATING THE POTENTIAL OF RTK-UAV FOR AUTOMATIC POINT CLOUD GENERATION IN 3D RAPID MAPPING
Unmanned aerial system Real time kinematic Point clouds generation Bundle adjustment Digital surface model Lever arm calibration Sensor synchronization
2016/11/15
During disaster and emergency situations, 3D geospatial data can provide essential information for decision support systems. The utilization of geospatial data using digital surface models as a basic ...
THE FEASIBILITY OF 3D POINT CLOUD GENERATION FROM SMARTPHONES
Smartphones Dense Matching Mobile Mapping System Closed Range Photogrammetry Linear Features Constraints
2016/11/11
This paper proposes a new technique for increasing the accuracy of direct geo-referenced image-based 3D point cloud generated from low-cost sensors in smartphones. The smartphone’s motion sensors are ...
DENSE 3D POINT CLOUD GENERATION FROM UAV IMAGES FROM IMAGE MATCHING AND GLOBAL OPTIMAZATION
Image matching 3D Point Cloud UAV global optimization
2016/7/5
3D spatial information from unmanned aerial vehicles (UAV) images is usually provided in the form of 3D point clouds. For various UAV applications, it is important to generate dense 3D point clouds au...
PLANAR CONSTRAINTS FOR AN IMPROVED UAV-IMAGE-BASED DENSE POINT CLOUD GENERATION
Image Matching Dense Point Cloud UAV Images Segmentation
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
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...
VIDEO-BASED POINT CLOUD GENERATION USING MULTIPLE ACTION CAMERAS
Action cameras Image Video Point clouds
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...
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...
AUTOMATIC POINT CLOUD GENERATION AND REGISTRATION WITH A STEREOVISION SLIT-SCANNER
photogrammetric scanning surface reconstruction surface registration
2014/6/5
In this paper, a fully automatic 3D surface scanner, from point collection to point cloud registration and smoothing, is presented. The system is composed by a camera pair, which is calibrated automat...