Dr. Andrew Alexander Malcolm Profile

Dr. Andrew Alexander Malcolm

at Singapore Institute of Manufacturing Technology

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 22 June 2013 Paper

A reference workpiece for voxel size correction in x-ray computed tomography

Joseph Lifton, Kevin Cross, Andrew Malcolm, John McBride

Proceedings Volume 8769, 87690E (2013) https://doi.org/10.1117/12.2020916

KEYWORDS: X-rays, X-ray optics, X-ray computed tomography, Optical spheres, Sensors, Optical testing, Image processing, X-ray imaging, Distance measurement, X-ray detectors

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Proceedings Article | 3 October 2008 Paper

A hybrid x-ray and microscopy method for diametrical profile measurement of internal holes in steel components

T. Liu, A. Malcolm, X. M. Yin, S. Liew, T. Prawiradiraja

Proceedings Volume 7155, 71551E (2008) https://doi.org/10.1117/12.814550

KEYWORDS: X-rays, Microscopes, X-ray microscopy, Inspection, Sensors, Microscopy, X-ray imaging, Polishing, X-ray technology, X-ray sources

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SPIE Journal Paper | 1 June 2006

Comparison between four methods for central ray determination with wire phantoms in micro-computed-tomography systems

Tong Liu, Andrew Malcolm

OE, Vol. 45, Issue 06, 066402, (June 2006) https://doi.org/10.1117/12.10.1117/1.2214717

KEYWORDS: Sensors, Computed tomography, Optical engineering, Inspection, Calibration, CT reconstruction, Reconstruction algorithms, Detection and tracking algorithms, Metals, X-rays

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Proceedings Article | 20 September 2001 Paper

Real-time identification of driveable areas in a semistructured terrain for an autonomous ground vehicle

Pooja Chaturvedi, Eric Sung, Andrew Malcolm, Javier Ibanez-Guzman

Proceedings Volume 4364, (2001) https://doi.org/10.1117/12.439989

KEYWORDS: Image segmentation, Roads, Image processing algorithms and systems, RGB color model, CCD cameras, Cameras, Vegetation, Image processing, Image classification, Detection and tracking algorithms

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Proceedings Article | 30 July 1998 Paper

Combined binocular and monocular stereo-vision system for unstructured terrain navigation

Andrew Malcolm, Terence Goh, Han Wang

Proceedings Volume 3364, (1998) https://doi.org/10.1117/12.317472

KEYWORDS: Cameras, Navigation systems, Calibration, 3D modeling, Detection and tracking algorithms, 3D image processing, Corner detection, Imaging systems, Motion models, Ranging

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Proceedings Article | 1 January 1992 Paper

Relationship between Fourier fringe analysis and the FFT

Andrew Malcolm, David Burton

Proceedings Volume 1553, (1992) https://doi.org/10.1117/12.135314

KEYWORDS: Fringe analysis, Image quality, Fourier transforms, Modulation, Image processing, Optical filters, Cameras, Image filtering, Filtering (signal processing), Polishing

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Proceedings Article | 1 August 1990 Paper

Full-field Fourier fringe analysis for industrial inspection

Andrew Malcolm, David Burton, Michael Lalor

Proceedings Volume 1265, (1990) https://doi.org/10.1117/12.20245

KEYWORDS: Fringe analysis, Inspection, Image segmentation, Optical filters, Image processing, Fourier transforms, Linear filtering, Modulation, Image filtering, Cameras

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Showing 5 of 7 publications

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