GeoTagMapper: A Map-based Geographic Information Retrieval System for Geo-Tagged Web content (2009)
Geographic information retrieval (GIR) systems aim to provide advanced functionalities for storage, organisation, searching and representation of geographic information. Digital maps, as a...
HOW FAR COULD GPS GO IN MONITORING STRUCTURAL RESPONSE TO WIND EVENTS? (2009)
Chris Rizos, Xiaojing Li, Linlin Ge, Akihito Yoshida
Abstract: Two techniques have been applied increasingly in recent years for monitoring the response of tall buildings to wind: the traditional accelerometer and GPS. The focus of this paper is to...
A Modified Algorithm for Permanent Scatterers Candidates Selection (2009)
Yusen Dong, Zhi Zhang, Kui Zhang, Linlin Ge
Abstract—PSInSAR had shown its capability in ground deformation monitoring. The PSC, which means stable point in PSInSAR techniques, is the key fundament of PSInSAR. There are several methods for...
Spaceborne radar interferometry for mine subsidence monitoring in Australia (2009)
Linlin Ge, Hsing-chung Chang, Alex Ng, Chris Rizos, A/prof Linlin Ge, Linlin Ge, ...
Land surface deformation can be caused by underground mining activities. The maximum subsidence normally occurs directly above the location of the excavation of the coal seam. In the case where the...
Xiaojing Li, Akihito Yoshida, Chris Rizos, Linlin Ge, Ryuji Imai
include integration of GPS and other sensors for fullscale structural monitoring and advanced digital signal processing. Dr Akihito YOSHIDA is an Associate Professor at TPU. His research interests...
Radar Interferometry for 3-D Mining Deformation Monitoring (2009)
Hsing-chung Chang, Linlin Ge, Hua Wang, Chris Rizos, Tony Milne
Abstract — Geodetic information of terrain can be measured using remote sensing techniques such as photogrammetry, airborne laser scanner (ALS) and interferometric synthetic aperture radar (InSAR)....
Urban Monitoring using Persistent Scatterer InSAR and Photogrammetry (2009)
Junghum Yu, Sungheuk Jung, Linlin Ge, Chris Rizos
The purpose of this paper is to monitor deformation due to groundwater extraction in urban area using Persistent Scatterer InSAR (PSInSAR) and Photogrammetry. Theoretically, PSInSAR technique allows...
Yufei Wang, Chris Rizos, Linlin Ge, Craig Roberts
Information resource is one of the valuable commodities in a modern information society. A Remote Sensing (RS) image, one of the important information resources in the geo-information sciences, co...
Abstract--A scene independent linear transformation called – multitemporal Kauth-Thomas transformation (MKT) was implemented in this land surface change monitoring due to mining activities. 5-fold...
This paper describes our participation in the GeoCLEF monolingual English task of the Cross Language Evaluation Forum 2006. Our retrieval system consists of four modules: the geographic knowledge...
Application of Repeat-pass DInSAR and GIS for Underground Mine Subsidence Monitoring (2008)
Hsing-chung Chang, Linlin Ge, Chris Rizos
Abstract—This research used both ERS and JERS-1 images to investigate the feasibility of differential radar interferometry (DInSAR) for mine subsidence monitoring in the state of New South Wales,...
Can Radar Interferometry Address Commercial Applications? (2008)
Linlin Ge, Yusen Dong, Chris Rizos
This paper addresses a question often asked by industry: can radar interferometry (or InSAR or IFSAR) deliver services on a commercial and/or operational basis? To answer this question two systems...
Assessment of digital elevation models using RTK GPS (2008)
Hsing-chung Chang, Linlin Ge, Chris Rizos
A Digital Elevation Model (DEM) represents the height of a patch of terrain. Accuracies of DEMs vary depending upon the requirements of different applications. DEMs have been applied to a wide range...
The University of New South Wales at GeoCLEF 2006 (2008)
Abstract. This paper describes our participation in the GeoCLEF monolingual English task of the Cross Language Evaluation Forum 2006. The main objective of this study is to evaluate the retrieve...
Xiaojing Li, Gang-ding Peng, Chris Rizos, Linlin Ge, Yukio Tamura, Akihito Yoshida, ...
An integrated system comprising GPS, accelerometer, and optical fibre sensors has been proposed to monitor structural deformation in order to assess the integrity of the structure. The GPS and...
BIOGRAPHY GPS Seismometers: the Implementing Issues (2008)
Linlin Ge, Liwen Dai, Shaowei Han, Chris Rizos, Yuzo Ishikawa, Yasuhiro Yoshida
interests are the interpretation of continuous GPS observations, the integration of GPS and interferometric SAR, and real-time seismology.
Earthquake Monitoring in Australia Using Satellite Radar Interferometry? (2008)
Linlin Ge, Eric Cheng, Diana Polonska, Chris Rizos, Clive Collins, Craig Smith
Are there any earthquakes in Australia? Although most Australians are not as familiar with earthquakes as citizens in countries such as Japan, there are some quakes on the Australian continent every...
AN INTERNATIONAL RESEARCH SURVEY: CARTOGRAPHIC GENERALISATION PRACTICES AT MAPPING AGENCIES * (2008)
Sharon Kazemi, Samsung Lim, Linlin Ge
This paper aims to report on the knowledge acquisition process of cartographic practices by undertaking a cartographic generalisation survey. From November 2005 to May 2006, a survey of cartographic...
Chris Rizos, Linlin Ge, Hsing-chung Chang, Andrew Nesbitt
A variety of deformation surveying techniques have been extensively used for measuring the pattern of ground subsidence. These include precise levelling, total station traversing, aerial...
Accuracy Comparison of DEMs Derived from Multisource SAR Images (2008)
Insu Lee, Linlin Ge, Hsing-chung Chang, Youngjin Lee
Abstract–Combining SAR and interferometry techniques into a single system forms the interferometric synthetic aperture radar (InSAR) and now InSAR is a rapidly evolving technique. The main aims of...
Southern California Integrated GPS Network (SCIGN) (2008)
Linlin Ge, Horng-yue Chen, Shaowei Han, Chris Rizos
The dramatic decrease in the cost of Global Positioning System (GPS) receivers has made feasible the establishment of extensive Continuous GPS receiver arrays (CGPS), for the study of crustal...
3D Analysis of Structural Response Monitored Using Integrated GPS and Accelerometer System (2008)
Xiaojing Li, Chris Rizos, Linlin Ge, Eliathamby Ambikairajah
Abstract. Structural responses to severe loads such as due to typhoons and earthquakes are very complicated, with nonlinear and non-stationary characteristics. When external forces are applied to the...
(International Association of Geodesy) Special Study (2008)
Linlin Ge, Shaowei Han, B. Sc. (wtusm, M. Sc. (wtusm, Linlin Ge, ...
Group 1.179 "Wide (regional) area modeling for precise satellite positioning”. Chris Rizos holds a B.Surv. and Ph.D., both obtained from The University of New South Wales. Chris is...
GPS Seismometer and its Signal Extraction BIOGRAPHY (2008)
real-time seismology, at the Meteorological Research Institute of Japan. He is currently a Ph.D. student at the University of New South Wales, Australia, where his research interests are the...
DIFFERENTIAL RADAR INTERFEROMETRY FOR MINE SUBSIDENCE MONITORING (2008)
Linlin Ge, Hsing-chung Chang, Lijiong Qin, Ming-han Chen, Chris Rizos
The history of mining disasters includes cases of subsidence and collapse into workings, and also a number of inrushes into underground mines, where deficiencies in surveying, or in maintenance and...
Application of 3D Time-frequency Analysis in Monitoring Full-scale Structural Response (2008)
Xiaojing Li, Chris Rizos, Linlin Ge, Eliathamby Ambikairajah
Abstract. Structural responses to severe loads such as due to typhoons and earthquakes are very complicated, with nonlinear and non-stationary characteristics. When external forces are applied to the...
Hua Wang, Linlin Ge, Caijun Xu, Zhixing Du
We use radar amplitude images acquired by the ENVISAT/ASAR sensor to measure the coseismic deformation of the 8 October 2005 Kashmir earthquake. We use the offset images to constrain the fault trace,...
Spaceborne Radar Interferometry (2008)
Hsing-chung Chang, Linlin Ge, Chris Rizos (australia, Hsing-chung Chang, Linlin Ge, ...
For underground mining, the extraction of coal or minerals can lead to the disturbance of the surface of the land. Surface structures may be damaged by tilting or lowering of the land surface as a...
subsidence monitored by L-band satellite radar interferometry (2008)
Hsing-chung Chang, Ming-han Chen, Lijiong Qin, Linlin Ge, Chris Rizos
Ground subsidence can be caused by both natural and human-induced activities. In this paper, a radar remote sensing technique named Differential Interferometric SAR (D-InSAR) is introduced as means...
Interferometric Synthetic Aperture Radar (DInSAR) using (2008)
Junghum Yu, Linlin Ge, Sungheuk Jung
Abstract- this paper describes about accuracy of Differential
TROPOSPHERIC DELAY CORRECTIONS TO DIFFERENTIAL INSAR RESULTS FROM GPS OBSERVATIONS BIOGRAPHY (2008)
Volker Janssen, Linlin Ge, Chris Rizos
Germany, in 1997 and joined the Satellite Navigation and Positioning (SNAP) group at
Xiaojing Li, Linlin Ge, Eliathamby Ambikairajah, Chris Rizos, Yukio Tamura
Japan, has been monitored by an integrated RTK-GPS and accelerometer system and compared to results of finite element models (FEM) and frequency domain decomposition (FDD) method. The integrated...
Hsing-chung Chang, Linlin Ge, Chris Rizos
Abstract-This paper demonstrates the capability of differential interferometric synthetic aperture radar (DInSAR) for measuring the subsidence at Wairakei and Tauhara geothermal fields in New...
Linlin Ge, Hsing-chung Chang, Chris Rizos, Linlin Ge, Hsing-chung Chang, Chris Rizos, ...
Subsidence of the land surface is defined as the vertical surface movement due to the removal of subsurface support. This paper presents the differential interferometric synthetic aperture radar...
Vidhyasaharan Sethu, Eliathamby Ambikairajah, Linlin Ge
This paper describes a technique for noise reduction in synthetic aperture radar interferometry. The noisy interferogram is decomposed using undecimated wavelet transform and the coefficients are...
Vidhyasaharan Sethu, Eliathamby Ambikairajah, Linlin Ge
This paper describes a technique for noise reduction in synthetic aperture radar interferometry. The noisy interferogram is decomposed using undecimated wavelet transform and the coefficients are...
Linlin Ge, Chris Rizos, Shaowei Han, Howard Zebker
Compared to opencut mining, underground coal mining is more common in Australia due to its lesser impact on the environment. Although there are several underground mining methods, such as the...
ABSTRACT Interpolation of GPS Results Incorporating Geophysical and InSAR Information (2007)
Linlin Ge, Shaowei Han, Chris Rizos
Continuous GPS networks, typically with a station spacing of about 30km, are still not dense enough to accurately characteristise the dynamics of active faults. Interpolation of these GPS results can...
International Global Navigation Satellite Systems Society (2007)
Wendi Peng, Linlin Ge, Chris Rizos
The navigation at parking stations and parking spaces
Mine subsidence monitoring using multisource satellite (2006)
Hsing-chung Chang, Linlin Ge, Chris Rizos
Abstract- This paper demonstrates the use of differential interferometric synthetic aperture radar (DInSAR) for mine subsidence monitoring in Australia. The C-band SAR imagery acquired by ERS-1/2 and...
Xiaojing Li, Linlin Ge, Eliathamby Ambikairajah, Chris Rizos, Yukio Tamura, Akihito Yoshida, ...
ORIGINAL ARTICLE Civil engineering structures, such as tall buildings and long span bridges, are typically designed based on the principles of material and structural mechanics. Finite
ERS tandem DInSAR: the change of ground surface in 24 hours (2005)
Hsing-chung Chang, Linlin Ge, Chris Rizos
Abstract- In the application of interferometric synthetic aperture radar (InSAR), ERS-1/2 tandem mission has been used widely for high precision digital elevation model (DEM) generation. Its high...
Seismic response of a tower as measured by an integrated RTK-GPS system (2004)
Xiaojing Li, Linlin Ge, Yukio Tamura, Akihito Yoshida, Chris Rizos, Gang-ding Peng
Monitoring structural response induced by seismic waves is an efficient way to mitigate the damage of earthquakes. For example, the measured signal can be used to activate an alarm system in order to...
Insu Lee, Hsing-chung Chang, Linlin Ge
Abstract. Interferometric Synthetic Aperture Radar (InSAR) is a rapidly evolving technique. Spectacular results that are obtained in various fields, such as the monitoring of earthquakes, volcanoes,...
Hsing-chung Chang, Linlin Ge, Chris Rizos, Tony Milne
Abstract—A high resolution digital elevation model (DEM) enables easy derivation of subsequent information for various applications. This paper uses Real-Time Kinematic (RTK) GPS to examine the...
The integration of GPS, radar interferometry and GIS for ground deformation monitoring (2003)
Linlin Ge, Hsing-chung Chang, Volker Janssen, Chris Rizos
Fellow and leader of InSAR and deformation monitoring
Intelligent Skyscraper Monitoring System (2002)
Based On Gps, Of Seismology, Linlin Ge, Linlin Ge, Xiaojing Li, ...
The collapse of the World Trade Center (WTC) has reminded us of the importance of structural integrity monitoring for improving disaster preparedness and response. A real-time system based on GPS and...
Slope Stability Monitoring (2001)
The Use Of, Linlin Ge, Chris Rizos
GPS multipath has long been considered a major error source in GPS applications. In this paper, however, an attempt is made to use multipath as a signal. The proposed application of using GPS...
Integrated Space Geodetic Techniques For Monitoring Ground (2001)
Subsidence Due To, Linlin Ge, Chris Rizos, Makoto Omura, Shigeki Kobayashi
Ground subsidence monitoring is of paramount importance in relation to the safety and efficiency of underground mining operations. Moreover, in established coal fields in eastern Australia, it has...
Linlin Ge, Horgne-yue Chen, Shaowei Han, Chris Rizos
In the case of monitoring the crustal deformation due to active seismic fault or volcanic activity or subsidence due to underground mining, sub-kilometre resolution may be required. Therefore, the...
Continuously-operating networks of GPS receivers (CGPS) are not capable of determining the characteristics of crustal deformation at the fine temporal or spatial scales required. Four temporal...
Continuously-operating networks of GPS receivers (CGPS) are not capable of determining the characteristics of crustal deformation at the fine temporal or spatial scales required. Four...
Continuously-operating networks of GPS receivers (CGPS) are not capable of determining the characteristics of crustal deformation at the fine temporal or spatial scales required. Four...
Continuously-operating networks of GPS receivers (CGPS) are not capable of determining the characteristics of crustal deformation at the fine temporal or spatial scales required. Four...
Continuously-operating networks of GPS receivers (CGPS) are not capable of determining the characteristics of crustal deformation at the fine temporal or spatial scales required. Four temporal...
The Double Interpolation and Double Prediction (DIDP) approach for (2000)
Linlin Ge, Shaowei Han, Chris Rizos
The technique of synthetic aperture radar interferometry (or InSAR) was first suggested in 1974. Due to its characteristics of very high spatial resolution and wide coverage, as well as the cost...
GPS Multipath Change Detection in Permanent GPS (2000)
Stations Linlin Ge, Linlin Ge, Shaowei Han, Chris Rizos, Yuki Hatanaka
multipath change in permanent, continuously operating GPS (CGPS) stations. The technique has been tested on some experimental data, indicating that the multipath change above the receiver noise level...
GPS seismometers with up to 20Hz sampling rate (1999)
Linlin Ge, Shaowei Han, Chris Rizos, Yuzo Ishikawa, Mitsuyuki Hoshiba, Yasuhiro Yoshida, ...
The large near-field displacements before and during an earthquake are invaluable information for earthquake source study and for the detection of slow/silent quakes or pre-seismic crustal...
The Integration of Collocated GPS, VLBI and SLR Results BIOGRAPHY (1997)
Linlin Ge, Linlin Ge, Horng-yue Chen, Shaowei Han, Chris Rizos, ...
real-time seismology at the Meteorological Research Institute of Japan. He is currently a Ph.D. candidate at The University of New South Wales, Australia, where his research interests are the...