Publications
92 results found
Bishop CA, Liu JG, Mason PJ, 2011, Hyperspectral remote sensing for mineral exploration in Pulang, Yunnan Province, China, INTERNATIONAL JOURNAL OF REMOTE SENSING, Vol: 32, Pages: 2409-2426, ISSN: 0143-1161
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- Citations: 124
Haselwimmer CE, Riley TR, Liu JG, 2011, Lithologic mapping in the Oscar II Coast area, Graham Land, Antarctic Peninsula using ASTER data, INTERNATIONAL JOURNAL OF REMOTE SENSING, Vol: 32, Pages: 2013-2035, ISSN: 0143-1161
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- Citations: 21
Kusky TM, Ghulam A, Wang L, et al., 2010, Focusing seismic energy along faults through time-variable rupture modes: Wenchuan earthquake, China, JOURNAL OF EARTH SCIENCE, Vol: 21, Pages: 910-922, ISSN: 1674-487X
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- Citations: 11
Morgan GLK, Liu JG, Yan H, 2010, Precise Subpixel Disparity Measurement From Very Narrow Baseline Stereo, IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, Vol: 48, Pages: 3424-3433, ISSN: 0196-2892
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- Citations: 48
Haselwimmer CE, Riley TR, Liu JG, 2010, Assessing the potential of multispectral remote sensing for lithological mapping on the Antarctic Peninsula: case study from eastern Adelaide Island, Graham Land, ANTARCTIC SCIENCE, Vol: 22, Pages: 299-318, ISSN: 0954-1020
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- Citations: 22
Yan H, Liu J-G, 2010, ENHANCED ROBUST PHASE CORRELATION BASED SUB-PIXEL FEATURE MATCHINIG FOR TARGET MOTION ESTIMATION, 2010 ISPRS Technical Commission III Symposium on Photogrammetry Computer Vision and Image Analysis, Pages: 76-79
This paper presents an enhanced robust phase correlation (ERPC) algorithm for sub-pixel feature matching and its application intarget motion estimation for aerial video surveillance. The ERPC can cope with very large motion measurement on the one hand andimprove the sub-pixel accuracy by entirely avoiding the ill-posed problem of 2D phase unwrapping in 2D fitting technique of phasecorrelation on the other. The key advantage of EPRC is its robustness and sub-pixel accuracy which are essential for precise targetspeed measurement. Furthermore, EPRC is solely applied to the certain parts (not to the whole scene) of a scene where the movingtargets are detected, which greatly improves robustness and computing speed of the EPRC based target motion estimation. Finally,we introduce our robust camera compensation and moving target detection scheme. With this simple scheme, we are able toefficiently estimate the motions of multiple targets at sub-pixel accuracy.
Lazzarini M, Liu JG, Del Frate F, 2010, HYPERSPECTRAL IMAGE ENHANCEMENT USING THERMAL BANDS: A METHODOLOGY TO REMOVE BUILDING SHADOWS, 30th IEEE International Geoscience and Remote Sensing Symposium (IGARSS) on Remote Sensing - Global Vision for Local Action, Publisher: IEEE, Pages: 189-192, ISSN: 2153-6996
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- Citations: 1
Yan H, Liu J-G, 2010, ROBUST SUB-PIXEL DISPARITY ESTIMATION AND ITS REFINEMENT AROUND DEPTH DISCONTINUITY AND FEATURELESS AREAS, IEEE International Geoscience and Remote Sensing Symposium, Publisher: IEEE, Pages: 4576-4579
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- Citations: 2
Turner SA, Cosgrove JW, Liu JG, 2010, Controls on lateral structural variability along the Keping Shan Thrust Belt, SW Tien Shan Foreland, China, HYDROCARBONS IN CONTRACTIONAL BELTS, Editors: Goffey, Craig, Needham, Scott, Publisher: GEOLOGICAL SOC PUBLISHING HOUSE, Pages: 71-85
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- Citations: 28
Ismail NAFB, Kamarudin SN, Rahim MSBM, et al., 2010, Visualisation of Earth Deformation in 2D, 2nd International Conference on Computational Intelligence Communication Systems and Networks (CICSyN), Publisher: IEEE COMPUTER SOC, Pages: 320-325
Liu JG, Mason P, 2009, Essential Image Processing and GIS for Remote Sensing, UK 9780470510322, Publisher: Wiley, ISBN: 9780470510322
Essential Image Processing and GIS for Remote Sensing is an accessible overview of the subject and successfully draws together these three key areas in a ...
Aguera F, Liu JG, 2009, Automatic greenhouse delineation from QuickBird and Ikonos satellite images, COMPUTERS AND ELECTRONICS IN AGRICULTURE, Vol: 66, Pages: 191-200, ISSN: 0168-1699
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- Citations: 50
Morgan G, Liu J-G, Yan H, 2008, SUB-PIXEL STEREO-MATCHING FOR DEM GENERATION FROM NARROW BASELINE STEREO IMAGERY, 2008 IEEE International Geoscience & Remote Sensing Symposium
Liu J-G, Yan H, 2008, Phase correlation pixel-to-pixel image co-registration based on optical flow and median shift propagation, International Journal of Remote Sensing, Vol: 29, Pages: 5943-5956
With singular value decomposition (SVD) and robust 2-dimensional fitting phase correlation algorithms, it is possible to achieve pixel-to-pixel image coregistration at sub-pixel accuracy via local feature matching. However, the method often fails in featureless and low correlation areas making it not robust for co-registration of images with considerable spectral differences and large featureless ground objects. A median shift propagation (MSP) technique is proposed to eliminate the problem, in a phase correlation and Normalized Cross- Correlation (NCC) combined approach. The experiment results using images from different sensor platforms and spectral bands indicate that the new method is very robust to featureless and low correlation areas and can achieve very accurate pixel-to-pixel image co-registration with good tolerance of spectral and spatial differences between images. The method will significantly improve change detection in various remote sensing applications.
Burberry CM, Cosgrove JW, Liu JG, 2008, Spatial arrangement of fold types in the Zagros Simply Folded Belt, Iran, indicated by landform morphology and drainage pattern characteristics, JOURNAL OF MAPS, Vol: 4, Pages: 417-430, ISSN: 1744-5647
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- Citations: 26
Fourniadis IG, Liu JG, Mason PJ, 2007, Regional assessment of landslide impact in the Three Gorges area, China, using ASTER data: Wushan-Zigui, LANDSLIDES, Vol: 4, Pages: 267-278, ISSN: 1612-510X
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- Citations: 31
Fourniadis IG, Liu JG, 2007, Landslides in the Wushan-Zigui region of the Three Gorges, China, QUARTERLY JOURNAL OF ENGINEERING GEOLOGY AND HYDROGEOLOGY, Vol: 40, Pages: 115-122, ISSN: 1470-9236
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- Citations: 4
Fourniadis IG, Liu JG, Mason PJ, 2007, Landslide hazard assessment in the Three Gorges area, China, using ASTER imagery: Wushan-Badong, GEOMORPHOLOGY, Vol: 84, Pages: 126-144, ISSN: 0169-555X
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- Citations: 86
Fourniadis IG, Liu JG, Mason PJ, 2007, Landslide hazard assessment in the Three Gorges area, China, using ASTER imagery, Geomorphology, Vol: 84, Pages: 126-144, ISSN: 0169-555X
Fourniadis IG, Liu JG, Mason PJ, 2007, Regional assessment of landslide impact in the Three Gorges area, China, using ASTER data: Wushan-Zigui, Landslides: Journal of the International Consortium of Landslides, Vol: 4, Pages: 267-278
Liu C-C, Liu J-G, Lin C-W, et al., 2007, Image processing of FORMOSAT-2 data for monitoring the South Asia tsunami, INTERNATIONAL JOURNAL OF REMOTE SENSING, Vol: 28, Pages: 3093-3111, ISSN: 0143-1161
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- Citations: 36
Liu JG, Ghanem M, Curcin V, et al., 2006, Achievements and experiences from a Grid-based earthquake analysis and modelling study
We have developed and used a grid-based geoinformatics infrastructure and analytical methods for investigating the relationship between macro and microscale earthquake deformational processes by linking geographically distributed and computationally intensive earthquake monitoring and modelling tools. Using this infrastructure, measurement of lateral co-seismic deformation is carried out with imageodesy algorithms running on servers at the London eScience Centre. The resultant deformation field is used to initialise geomechanical simulations of the earthquake deformation running on supercomputers based at the University of Oklahoma. This paper describes the details of our work, summarizes our scientific results and details our experiences from implementing and testing the distributed infrastructure and analysis workflow. © 2006 IEEE.
Liu JG, Morgan GLK, 2006, FFT selective and adaptive filtering for removal of systematic noise in ETM plus imageodesy images, IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, Vol: 44, Pages: 3716-3724, ISSN: 0196-2892
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- Citations: 54
Liu JG, Haselwimmer CE, 2006, Co-seismic ruptures found up to 60 km south of the Kunlun fault after 14 November 2001, Ms 8.1, Kokoxili earthquake using Landsat-7 ETM+ imagery, INTERNATIONAL JOURNAL OF REMOTE SENSING, Vol: 27, Pages: 4461-4470, ISSN: 0143-1161
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- Citations: 6
Liu JG, Mason PJ, Ma JM, 2006, Measurement of the left-lateral displacement of Ms 8.1 Kunlun earthquake on 14 November 2001 using Landsat-7 ETM + imagery, International Journal of Remote Sensing, Vol: 27, Pages: 1875-1891, ISSN: 0143-1161
An imageodesy study has been carried out, using pre‐ and post‐event Landsat‐7 Enhanced Thematic Mapper Plus (ETM+) images, to reveal regional co‐seismic displacement caused by the Ms 8.1 Kunlun earthquake in November 2001. The two Landsat scenes, Kusai Lake and Buka Daban, cover an area of some 57 600 km2 (320 km W–E and about 180 km N–S), which includes most of the fault rupture zone. The co‐seismic displacement measured in the Kusai Lake scene shows that the average left‐lateral shift along the Kunlun fault is 4.8 m (ranging from 1.5 to 8.1 m) and the maximum shift appears west of the Kusai Lake. The splayed nature of the fault to the west of Buka Daban, where the fault splits into three branches, causes the displacement pattern to become complicated. Here the average left‐lateral shift, between the south side of the southern branch and the north side of the northern branch, is 4.6 m (ranging from 1.0 to 8.2 m). Our results also illustrate that the south side of the fault is the ‘active’ block, moving significantly in an east–south‐easterly direction, relative to the largely ‘stable’ northern block.
Liu JG, Ghanem M, Curcin V, et al., 2006, Distributed, high-performance earthquake deformation analysis and modelling facilitated by Discovery Net
Guo YK, Liu J, Ghanem M, et al., 2005, Bridging the Macro and Micro: A Computing Intensive Earthquake Study Using Discovery Net, SC '05. Conference on High Performance Networking and Computing., Publisher: IEEE Computer Society Press, Pages: 68-71
Liu JG, Haselwimmer C, Cosgrove JW, 2005, Ruptures found up to 60km south of the major fault zone after 14 Nov 2001 Kunlun earthquake using Landsat-7 ETM+ imagery, New York, 25th ieee international geoscience and remote sensing symposium (igarss 2005), 25 - 29 July 2005, Seoul, SOUTH KOREA, Publisher: Ieee, Pages: 5261-5264
Liu JG, Haselwimmer C, Cosgrove JW, 2005, Ruptures found up to 60km south of the major fault zone after 14 Nov 2001 Kunlun earthquake using Landsat-7 ETM+ imagery, New York, 25th ieee international geoscience and remote sensing symposium (igarss 2005), 25 - 29 July 2005, Seoul, SOUTH KOREA, Publisher: Ieee, Pages: 5261-5264
Liu JG, Meng M, 2005, Destruction of vegetation in the catchments of Nujiang river, "Three Parallel Rivers" region, China, New York, 25th ieee international geoscience and remote sensing symposium (igarss 2005), 25 - 29 July 2005, Seoul, SOUTH KOREA, Publisher: Ieee, Pages: 2880-2883
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