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MEASUREMENT OF SEAWARD GROUND DISPLACEMENTS ON COASTAL LANDFILL AREA USING RADAR INTERFEROMETRY
SAR SAR Interferometry Multiple-Aperture SAR Interferometry Coastal landfill Three-dimensional measurements
2018/4/30
In order to understand the mechanism of subsidence and help reducing damage, researchers has been observed the line-of-sight subsidence on the Noksan industrial complex using SAR Interferometry(InSAR)...
DEEP LEARNING AND IMAGE PROCESSING FOR AUTOMATED CRACK DETECTION AND DEFECT MEASUREMENT IN UNDERGROUND STRUCTURES
Deep Learning Automated Crack Detection Photographic Tunnelling Surveys
2018/3/30
This work presents the combination of Deep-Learning (DL) and image processing to produce an automated cracks recognition and defect measurement tool for civil structures. The authors focus on tunnel c...
EIM: Efficient online Interference Measurement in Wireless Sensor Networks
Efficient online Interference Measurement in Wireless Sensor Networks
2016/1/23
In wireless sensor networks, knowing real signal interferences (received signal strength or RSS) from other sensors to cared sensor is critically important for protocol design and for many application...
Field Test of Measurement-Device-Independent Quantum Key Distribution
Field test Measurement-Device-Independent Quantum Key Distribution Automatic Feedback Systems
2016/1/22
A main type of obstacles of practical applications of quantum key distribution (QKD) network is various attacks on detection. Measurement-device-independent QKD (MDIQKD)protocol is immune to all these...
Memory-assisted Measurement-device Independent Quantum Key Distribution
Memory-assisted Measurement-device Independent Quantum Key Distribution
2016/1/22
A protocol with the potential of beating the existing distance records for con-ventional quantum key distribution (QKD) systems is proposed. It borrows ideas from quantum repeaters by using memories i...
Exploring the Measurement Of Forests With Full Waveform LIDAR through Monte-Carlo Ray Tracing
Forestry structure lidar vegetation simulation 3D modelling satellite
2015/11/20
The error of the height estimates are precisely quantified by comparison with the 3D model height. This paper discusses the development and testing of the inversion of tree height from simulations of ...
Measurement of Dam Deformations by Terrestrial Interferometric Techiques
Interferometric SAR Deformation Analysis Dam Monitoring Engineering Surveying Ground-Based InSAR
2015/11/20
In this paper the application of a novel non-contact GBInSAR sensor to the measurement of daily deformations of an arch-gravity dam is described. The sensor, named IBIS, is a Ku-band interferometric r...
Evaluation of image based integrated measurement system and its application to topographic survey
Photogrammetry Calibration Digital Camera Laser Integration Non-contact
2015/8/25
A convenient 3D measurement using amateur digital camera is enormously expected in various fields with appearance of the low cost and high-resolution amateur digital cameras. In these circumstances, t...
Counter Braids: A Novel Counter Architecture for Per-Flow Measurement
Statistics Counters Network Measurement Message Pass- ing Algorithms
2015/8/21
Fine-grained network measurement requires routers and switches to update large arrays of counters at very high link speed (e.g. 40 Gbps). A naive algorithm needs an infeasible amount of SRAM to store ...
NETWORK ORIENTATION MODELS FOR IMAGE-BASED 3D MEASUREMENT
close-range photogrammetry image orientation automation relative orientation collinearity projective geometry
2015/8/7
Network orientation is a fundamental step in image-based 3D measurement. This paper aims to offer insights into
network orientation by considering developments in analytical close-range photogrammet...
3D MODELING OF HIGH RELIEF SCULPTURE USING IMAGE BASED INTEGRATED MEASUREMENT SYSTEM
Photogrammetry Calibration Camera Laser Modelling Integration System
2015/8/7
A convenient 3D measurement using amateur digital camera is enormously expected in various fields with appearance of the low
cost and high-resolution amateur digital cameras. In these circumstances,...
Sensitivity Analysis of the JPALS Shipboard Relative GPS Measurement Quality Monitor
Sensitivity Analysis JPALS Shipboard Relative GPS Measurement Quality Monitor
2015/6/26
The Joint Precision Approach and Landing System (JPALS) is being developed as a single replacement for the navigation, precision approach and landing systems currently used by military aircraft. Shipb...
Measurement Noise versus Process Noise in Ionosphere Estimation for WAAS
Measurement versus Process Noise Ionosphere WAAS
2015/6/26
One of the parameters driving the performance of the Wide Area Augmentation System (WAAS) is the Grid Ionospheric Vertical Error (GIVE). The GIVE bounds the estimation error of the ionospheric delay a...
The Impact of Measurement Biases on Availability for CAT III LAAS
Measurement Biases Availability CAT III LAAS
2015/6/26
The original error description for the Local Area Augmentation System (LAAS) assumed unbiased measurement errors. In practice, however, satellite ranging errors may exhibit nonzero means. The LAAS err...
Protection Level Calculation Using Measurement Residuals:Theory and Results
Protection Level Calculation Measurement Residuals
2015/6/26
In safety-of-life applications of satellite navigation, the Protection Level (PL) equation translates what is known about the pseudorange errors into a reliable limit on the positioning error. The cur...