Intensity Normalisation of GPR C-Scans von Luo, Tess X. H., Lai, Wallace W. L., Lei, Zhanzhan

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Unfolding WWII Heritages with Airborne and Ground-Based Laser Scanning von Sit, Kathleen Fei-Ching, Pun, Chun-Ho, Lai, Wallace W. L., Chung, Dexter Kin-Wang, Kwong, Chi-Man

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GPR Virtual Guidance System for Subsurface 3D Imaging von Ching, Gabbo P. H., Chang, Ray K. W., Luo, Tess X. H., Lai, Wallace W. L.

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GPR pattern recognition of shallow subsurface air voids von Luo, Tess X.H., Lai, Wallace W.L.

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Forward modelling on GPR responses of subsurface air voids von Luo, Tess X.H., Lai, Wallace W.L., Giannopoulos, Antonios

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GPR-based depth measurement of buried objects based on constrained least-square (CLS) fitting method of reflections von Xie, Fei, Lai, Wallace W.L., Dérobert, Xavier

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Building simplified uncertainty models of object depth measurement by ground penetrating radar von Xie, Fei, Lai, Wallace W.L., Dérobert, Xavier

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GPR uncertainty modelling and analysis of object depth based on constrained least squares von Xie, Fei, Lai, Wallace W.L., Dérobert, Xavier

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Perturbation mapping of water leak in buried water pipes via laboratory validation experiments with high-frequency ground penetrating radar (GPR) von Lai, Wallace W.L., Chang, Ray K.W., Sham, Janet F.C., Pang, K.

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Development of a new algorithm for accurate estimation of GPR's wave propagation velocity by common-offset survey method von Sham, Janet F.C., Lai, Wallace W.L.

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Exploring utility system SDI – Managerial and technical perspectives von Pun-Cheng, Lilian S.C., Lai, Wallace W.L., Chang, Ray K.W.

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Characterization of leakage signatures in buried water pipes by ground penetrating radar(GPR) and instantaneous frequency analysis von Zhou, Yimin, Lai, Wallace W.L.

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Superpixel-based change detection for GPR time-lapse slices using fuzzy c-means and the Markov random field method von Zhou, Yimin, Lai, Wallace W.L., Zhu, Xiaolin

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Standardizing nondestructive underground utility survey methods von Lai, Wallace W.L., Sham, Janet F.C.

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GPR imaging criteria von Luo, Tess X.H., Lai, Wallace W.L., Chang, Ray K.W., Goodman, Dean

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A blind test of nondestructive underground void detection by ground penetrating radar (GPR) von Lai, Wallace W.L., Chang, Ray K.W., Sham, Janet F.C.

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Hybrid non-destructive evaluation methods for characterizing chloride-induced corrosion in concrete von Wong, Phoebe T.W., Lai, Wallace W.L., Sham, Janet F.C., Poon, Chi-sun

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GPR wave dispersion for material characterization von Lai, Wallace W.L., Chang, Ray K.W., Völker, Christoph, Cheung, Bella W.Y.

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A lab study of coupling effects of electromagnetic induction on underground utilities von Siu, K.L., Lai, Wallace W.L.

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Imaging and condition diagnosis of underground sewer liners via active and passive infrared thermography: A case study in Singapore von Sham, Janet F.C., Lai, Wallace W.L., Chan, Wing, Koh, Chee Lin

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