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QUALITY INSPECTION AND ANALYSIS OF THREE-DIMENSIONAL GEOGRAPHIC INFORMATION MODEL BASED ON OBLIQUE PHOTOGRAMMETRY
Oblique Photogrammetry Three-Dimensional Geographic Information Model Quality Inspection, Basic Principles Technical Features Common Problems
2018/5/11
In order to promote the construction of digital geo-spatial framework in China and accelerate the construction of informatization mapping system, three-dimensional geographic information model emerged...
THERMAL TEXTURE SELECTION AND CORRECTION FOR BUILDING FACADE INSPECTION BASED ON THERMAL RADIANT CHARACTERISTICS
building facade thermal image calibration texture mapping terrestrial 3D model
2018/6/4
An automatic building façade thermal texture mapping approach, using uncooled thermal camera data, is proposed in this paper. First, a shutter-less radiometric thermal camera calibration method i...
INSPECTION OF A MEDIEVAL WOOD SCULPTURE USING COMPUTER TOMOGRAPHY
computed tomography wood sculpture analysis 3D modelling
2016/11/11
Computer tomography (CT) is an excellent technique for obtaining accurate 3D information about the human body. It allows to visualize the organs, bones and blood vessels, furthermore it enables to dia...
A HOLISTIC APPROACH FOR INSPECTION OF CIVIL INFRASTRUCTURES BASED ON COMPUTER VISION TECHNIQUES
Cracks Inspection Automation Deep Learning Recognition Matching Reconstruction
2016/11/11
In this work, it is examined the 2D recognition and 3D modelling of concrete tunnel cracks, through visual cues. At the time being, the structural integrity inspection of large-scale infrastructures i...
RAPID INSPECTION OF PAVEMENT MARKINGS USING MOBILE LIDAR POINT CLOUDS
Mobile LiDAR Point Cloud Pavement Marking Urban Road Automated Detection
2016/7/5
This study aims at building a robust semi-automated pavement marking extraction workflow based on the use of mobile LiDAR point clouds. The proposed workflow consists of three components: preprocessin...
POTENTIAL OF UAV-BASED LASER SCANNER AND MULTISPECTRAL CAMERA DATA IN BUILDING INSPECTION
Unmanned aerial vehicle 3D point cloud LIDAR thermal infrared camera near infrared camera RGB camera building inspection
2016/7/5
Conventional building inspection of bridges, dams or large constructions in general is rather time consuming and often cost expensive due to traffic closures and the need of special heavy vehicles suc...
Quality Inspection and Quality Improvement by Map Fusion
Data Fusion Matching Quality Inspection
2015/12/2
In this paper a new approach for quality measurement and improvement using map matching and map fusion is introduced. In the first part we describe a matching model based on “Buffer growing”. The matc...
Inspection Technology, Detection, and Compliance: Evidence from Florida Restaurant Inspection
Inspection technology PDA Regulation Detection Compliance Restaurant hygiene
2015/9/21
Many regulations mandate that government employees inspect economic entities on a regular
basis. In this paper, we show that a small innovation in inspection technology can make
substantial differ...
LOCATION-BASED INFRASTRUCTURE INSPECTION FOR SABO FACILITIES
Infrastructure asset management Mobile Device Field-based inspection Construction Information Modeling
2015/9/21
Infrastructure asset management is a framework for achieving sustainable infrastructure. Based on this framework, although we often generate a three-dimensional (3D) geometrical model as a base map in...
THERMAL INFRARED INSPECTION OF ROOF INSULATION USING UNMANNED AERIAL VEHICLES
Thermal Imaging Roof Inspection Unmanned Aerial Vehicles Thermal Anomaly Detection Radiation Calibration Super-pixel Markov Random Fields Segmentation
2015/9/10
UAVs equipped with high-resolution thermal cameras provide an excellent investigative tool used for a multitude of building-specific applications, including roof insulation inspection. We have present...
Satellite Based Augmentation Systems (SBAS) are now being implemented around the world in order to improve the accuracy and integrity of Global Navigation Satellite Systems (GNSS). One of these is the...
The FAA currently uses its Automated Flight Inspection System (AFIS) to check the accuracy of Instrument Landing Systems (ILS) and other navaids. It is desirable to measure the deviations of the ILS t...
The FAA currently uses its Automated Flight Inspection System (AFIS) to check the accuracy of Instrument Landing Systems (ILS) and other navaids. It is desirable to measure the deviations of the ILS t...
Standalone GPS-Based Flight Inspection System
Standalone GPS-Based Flight InspectionSystem
2015/6/25
The Instrument Landing System (ILS) is the current primary landing guidance system worldwide. The Microwave Landing System (MLS) may also become important in the future. Since proper guidance is extre...
Maintaining the accuracy of an Instrument Landing System (ILS) is very important because it is the primary landing guidance system during bad weather in the U.S. Therefore, the FAA periodically checks...