Prof. Duo-Min He Profile

Prof. Duo-Min He

Visiting Staff at Nanyang Technological Univ

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 12 April 2005 Paper

Optical image sensing through turbid water

Duo-Min He, Gerald Seet

Proceedings Volume 5852, (2005) https://doi.org/10.1117/12.621415

KEYWORDS: LIDAR, Cameras, Imaging systems, Water, Backscatter, Ocean optics, Underwater imaging, Pulsed laser operation, Optical sensing, Sensors

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Proceedings Article | 12 April 2005 Paper

The effect of illumination volume in underwater camera image

Lin Xu, Gerald Seet, Duo-Min He

Proceedings Volume 5852, (2005) https://doi.org/10.1117/12.621923

KEYWORDS: Light scattering, Scattering, Cameras, Laser scattering, Light sources, Bidirectional reflectance transmission function, Signal attenuation, Imaging systems, Solids, Signal to noise ratio

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SPIE Journal Paper | 1 March 2004

Underwater lidar imaging scaled by 22.5 cm/ns with serial targets

Duo-Min He, Gerald Seet

OE, Vol. 43, Issue 03, (March 2004) https://doi.org/10.1117/12.10.1117/1.1645842

KEYWORDS: Cameras, Water, LIDAR, Imaging systems, Underwater imaging, Video, Backscatter, Laser scattering, Scattering, Pulsed laser operation

Proceedings Article | 4 September 2002 Paper

Novel underwater 3D-target design for measurement of depth of gating (DOG) in underwater lidar imaging (UWLI)

Duo-Min He, Gerald Seet

Proceedings Volume 4768, (2002) https://doi.org/10.1117/12.482185

KEYWORDS: Cameras, LIDAR, Underwater imaging, Submerged target modeling, Imaging systems, Image enhancement, Pulsed laser operation, Data transmission, Water, Ocean optics

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Proceedings Article | 23 January 2002 Paper

Laser gated-ranging for underwater robot vision in turbid waters

Duo-Min He, Gerald Seet

Proceedings Volume 4546, (2002) https://doi.org/10.1117/12.453995

KEYWORDS: Laser scattering, Absorption, Ocean optics, Image enhancement, Image resolution, Robot vision, Scattering, Signal attenuation, Cameras, Water

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Proceedings Article | 14 January 2002 Paper

Underwater lidar imaging in highly turbid waters

Duo-Min He, Gerald Seet

Proceedings Volume 4488, (2002) https://doi.org/10.1117/12.452805

KEYWORDS: Signal attenuation, Cameras, Underwater imaging, LIDAR, Water, Imaging systems, Scattering, Ocean optics, Absorption, Polarization

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Proceedings Article | 30 October 2001 Paper

Lidar imaging in highly turbid water

Duo-Min He, Gerald Seet

Proceedings Volume 4596, (2001) https://doi.org/10.1117/12.447336

KEYWORDS: Signal attenuation, Cameras, LIDAR, Scattering, Water, Imaging systems, Sensors, Underwater imaging, Absorption, Receivers

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Proceedings Article | 8 May 2001 Paper

Underwater lidar imaging (UWLI) system in short turbid water tank

Duo-Min He, Gerald Seet

Proceedings Volume 4416, (2001) https://doi.org/10.1117/12.427066

KEYWORDS: Imaging systems, Underwater imaging, LIDAR, Cameras, Water, Scattering, Polarization, Signal attenuation, Robotics, Absorption

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Proceedings Article | 11 November 1999 Paper

Portable system approach of monitoring plant nutrient deficiency using fiber optic spectrophotometry

Anand Asundi, Jun-Wei Chen, Duo-Min He, Oi Wah Liew

Proceedings Volume 3897, (1999) https://doi.org/10.1117/12.369310

KEYWORDS: Reflectivity, Calcium, Fiber optics, Spectroscopy, Nitrogen, Spectrophotometry, Data acquisition, Chemical elements, Sensing systems, Optical sensing

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Proceedings Article | 7 May 1999 Paper

Fiber optic spectrophotometry monitoring of plant nutrient deficiency under hydroponic culture conditions

Oi Wah Liew, William Boey, Anand Asundi, Jun-Wei Chen, Duo-Min He

Proceedings Volume 3740, (1999) https://doi.org/10.1117/12.347795

KEYWORDS: Reflectivity, Calcium, Fiber optics, Nitrogen, Spectrophotometry, Tissues, Nondestructive evaluation, Chemical elements, Visualization, Spectroscopy

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Proceedings Article | 7 May 1999 Paper

Fiber optic spectrophotometry for monitoring dissolved oxygen in a tropical ornamental fish tank environment

Anand Asundi, Jun-Wei Chen, Duo-Min He

Proceedings Volume 3740, (1999) https://doi.org/10.1117/12.347744

KEYWORDS: Oxygen, Sensors, Fiber optics, Fiber optics sensors, Luminescence, Environmental monitoring, Environmental sensing, Spectrophotometry, Signal detection, Ruthenium

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Proceedings Article | 4 May 1999 Paper

High-power Nd:YAG-generated underwater sound source for air-submarine communication

Duo-Min He

Proceedings Volume 3613, (1999) https://doi.org/10.1117/12.347685

KEYWORDS: Liquids, Telecommunications, High power lasers, Ocean optics, Solid state lasers, Laser energy, Laser optics, Nd:YAG lasers, Acoustics, Pulsed laser operation

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Proceedings Article | 8 December 1998 Paper

Underwater modulable hollow retro-reflector in ocean

Duo-Min He, Anand Asundi

Proceedings Volume 3430, (1998) https://doi.org/10.1117/12.332472

KEYWORDS: Retroreflectors, Ocean optics, Telecommunications, Modulation, Channel projecting optics, Reflectors, Glasses, Laser communications, Transponders, Optical components

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Proceedings Article | 2 October 1998 Paper

Optical breakdown laser-generated sound in water

Duo-Min He, Anand Asundi

Proceedings Volume 3464, (1998) https://doi.org/10.1117/12.323152

KEYWORDS: Pulsed laser operation, Acoustics, Laser energy, Laser optics, Electroluminescence, Stereolithography, Liquids, Ocean optics, Water, Signal detection

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Proceedings Article | 2 October 1998 Paper

Salt water for optical breakdown laser-generated sound

Duo-Min He, Anand Asundi

Proceedings Volume 3464, (1998) https://doi.org/10.1117/12.323151

KEYWORDS: Pulsed laser operation, Acoustics, Laser optics, Laser energy, Ocean optics, Liquids, Electroluminescence, Stereolithography, Power supplies, Scanning probe lithography

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Proceedings Article | 8 September 1998 Paper

Novel method for ocean lidar air-submarine laser communication

Duo-Min He

Proceedings Volume 3380, (1998) https://doi.org/10.1117/12.327208

KEYWORDS: Retroreflectors, Ocean optics, Telecommunications, Channel projecting optics, Modulation, Laser communications, Atmospheric optics, LIDAR, Optical communications, Reflectivity

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Proceedings Article | 18 April 1997 Paper

Specialty optical fiber sensor for ship water pressure in industrial applications

Duo-Min He, Xin He

Proceedings Volume 2977, (1997) https://doi.org/10.1117/12.271017

KEYWORDS: Sensors, Optical fibers, Fiber optics sensors, Sensing systems, Specialty optical fibers, Humidity, Light sources, Photodiodes, Navigation systems, Ocean optics

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Proceedings Article | 30 March 1995 Paper

Theoretical analysis of speckle-moire based on the study of speckles polarization for multieffect simulated biotissue

Duo-Min He

Proceedings Volume 2390, (1995) https://doi.org/10.1117/12.205997

KEYWORDS: Speckle, Speckle pattern, Polarization, Biomedical optics, Laser scattering, Laser tissue interaction, Biological research, Light scattering, Fourier transforms, Scattering

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Proceedings Article | 1 February 1995 Paper

Speckle-moire phenomenon based on the study of speckles polarization for multieffect simulated biotissue

Duo-Min He

Proceedings Volume 2329, (1995) https://doi.org/10.1117/12.200875

KEYWORDS: Polarization, Speckle, Moire patterns, Speckle pattern, Biomedical optics, Fringe analysis, Diffraction, Speckle metrology, Optical simulations, Laser tissue interaction

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Proceedings Article | 26 May 1994 Paper

Polarization state of reflection laser speckles for multieffect simulated biotissue

Duo-Min He, Xiao-Dong Zhang, Xin He

Proceedings Volume 2132, (1994) https://doi.org/10.1117/12.176588

KEYWORDS: Polarization, Speckle pattern, Reflection, Diffusers, Speckle, Scattering, Glasses, Specular reflections, Laser scattering, Elliptical polarization

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Proceedings Article | 1 February 1994 Paper

Experimental investigation on the polarization state of laser speckles for multieffect simulated biotissue

Duo-Min He, Xin He, Yi-Ding Feng

Proceedings Volume 2083, (1994) https://doi.org/10.1117/12.167402

KEYWORDS: Polarization, Speckle pattern, Speckle, Glasses, Laser scattering, Diffusers, Photography, Scattering, Optical simulations, Biomedical optics

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