Mr. Chow Jeng Wong Profile

Chow Jeng Wong

Senior Lecturer at Univ Sains Malaysia

SPIE Involvement:

Author

Publications (21)

Proceedings Article | 11 May 2009 Paper

Multispectral air pollution sensor to characterize of total suspended particulates (TSP) concentration

S. G. Daraigan, M. Z. MatJafri, K. Abdullah, H. S. Lim, C. J. Wong

Proceedings Volume 7336, 73361O (2009) https://doi.org/10.1117/12.820306

KEYWORDS: Sensors, Air contamination, Optical sensors, Light emitting diodes, Photodetectors, Earth's atmosphere, Algorithm development, Particles, Visible radiation, Photodiodes

Read Abstract +

Proceedings Article | 11 May 2009 Paper

Temporal and spatial air quality monitoring using internet protocol camera and LANSAT5 satellite image

C. J. Wong, H. S. Lim, M. Z. MatJafri, K. Abdullah, T. S. Chin

Proceedings Volume 7336, 73361P (2009) https://doi.org/10.1117/12.820322

KEYWORDS: Reflectivity, Atmospheric particles, IP cameras, Satellites, Landsat, Algorithm development, Image quality, Earth observing sensors, Satellite imaging, Aerosols

Read Abstract +

Proceedings Article | 28 April 2009 Paper

Water quality mapping using Landsat TM imagery

H. S. Lim, M. Z. MatJafri, K. Abdullah, A. N. Alias, C. J. Wong, M. R. Mustapha-Rosli, N. Mohd Saleh

Proceedings Volume 7341, 734107 (2009) https://doi.org/10.1117/12.820308

KEYWORDS: Algorithm development, Landsat, Water, Reflectivity, Satellites, Absorption, Satellite imaging, Earth observing sensors, Calibration, Optical properties

Read Abstract +

Proceedings Article | 28 April 2009 Paper

Using webcam for indoor air quality monitoring

C. J. Wong, C. K. Teo, M. Z. MatJafri, K. Abdullah, H. S. Lim

Proceedings Volume 7341, 734110 (2009) https://doi.org/10.1117/12.820329

KEYWORDS: Algorithm development, Reflectivity, Phase modulation, Image processing, Cameras, Atmospheric particles, Digital imaging, Aerosols, Image quality, Molecules

Read Abstract +

Proceedings Article | 27 April 2009 Paper

Determination of particle concentration in the air using a digital SLR camera

C. Wong, M. Mat Jafri, K. Abdullah, H. Lim

Proceedings Volume 7334, 73341I (2009) https://doi.org/10.1117/12.820326

KEYWORDS: Cameras, Particles, Reflectivity, Atmospheric particles, Algorithm development, Digital cameras, Aerosols, Molecules, Scattering, Pollution

Read Abstract +

Proceedings Article | 27 April 2009 Paper

Sea surface temperature algorithm with transmittance and sea surface emissivity dependence

H. Ng, M. MatJafri, K. Abdullah, C. Wong

Proceedings Volume 7334, 73341H (2009) https://doi.org/10.1117/12.820302

KEYWORDS: Transmittance, Sensors, Algorithm development, Temperature metrology, MODIS, Atmospheric sensing, Clouds, Infrared radiation, Data modeling, Black bodies

Read Abstract +

Proceedings Article | 13 October 2008 Paper

A satellite AOT derived from the ground sky transmittance measurements

H. Lim, M. MatJafri, K. Abdullah, K. Tan, C. Wong, N. Mohd. Saleh

Proceedings Volume 7110, 711019 (2008) https://doi.org/10.1117/12.800067

KEYWORDS: Reflectivity, Atmospheric particles, Satellites, Transmittance, Aerosols, Atmospheric optics, Atmospheric monitoring, Landsat, Algorithm development, Earth observing sensors

Read Abstract +

Proceedings Article | 10 October 2008 Paper

Remote sensing retrievals from SPOT measurements of aerosol over Penang Island, Malaysia

H. S. Lim, M. Z. MatJafri, K. Abdullah, K. C. Tan, C. J. Wong, N. Mohd. Saleh

Proceedings Volume 7109, 71090Y (2008) https://doi.org/10.1117/12.800166

KEYWORDS: Reflectivity, Satellites, Algorithm development, Aerosols, Earth observing sensors, Atmospheric particles, Satellite imaging, Atmospheric optics, Remote sensing, Air contamination

Read Abstract +

Proceedings Article | 7 October 2008 Paper

Using visible remotely sensed data for air quality study

H. S. Lim, M. Z. MatJafri, K. Abdullah, K. C. Tan, C. J. Wong, N. Mohd Saleh

Proceedings Volume 7114, 71140T (2008) https://doi.org/10.1117/12.800163

KEYWORDS: Reflectivity, Atmospheric particles, Satellites, Algorithm development, Aerosols, Landsat, Earth observing sensors, Air contamination, Visible radiation, Mid-IR

Read Abstract +

Proceedings Article | 18 April 2008 Paper

Algorithm for haze determination using digital camera images

C. J. Wong, M. Z. MatJafri, K. Abdullah, H. S. Lim, S. A. Hashim

Proceedings Volume 6951, 69510E (2008) https://doi.org/10.1117/12.777897

KEYWORDS: Digital cameras, Algorithm development, Atmospheric particles, Reflectivity, Air contamination, Aerosols, Detection and tracking algorithms, Atmospheric modeling, Atmospheric optics, Data modeling

Read Abstract +

Proceedings Article | 17 March 2008 Paper

High-spatial resolution land cover mapping using remotely sensed image

H. S. Lim, S. AlSultan, M. Z. MatJafri, K. Abdullah, A. N. Alias, C. J. Wong, N. Mohd. Saleh

Proceedings Volume 6977, 69770S (2008) https://doi.org/10.1117/12.777240

KEYWORDS: Satellites, Image classification, Satellite imaging, Earth observing sensors, Remote sensing, Digital imaging, Accuracy assessment, Image resolution, Associative arrays, Image processing

Read Abstract +

Proceedings Article | 17 March 2008 Paper

Calibration of visible and near infrared spectrums for measuring freshness of vegetables

Faisal Abdullah, M. Z. Mat Jafri, M. S. Jaafar, C. J. Wong

Proceedings Volume 6939, 69390J (2008) https://doi.org/10.1117/12.777713

KEYWORDS: Light sources, Near infrared, Light emitting diodes, Visible radiation, Scattering, Sensors, Backscatter, Tissue optics, Absorption, Calibration

Read Abstract +

Proceedings Article | 17 March 2008 Paper

Land cover mapping after the tsunami event over Nanggroe Aceh Darussalam (NAD) province, Indonesia

H. S. Lim, M. Z. MatJafri, K. Abdullah, A. N. Alias, N. Mohd. Saleh, C. J. Wong, M. S. Surbakti

Proceedings Volume 6977, 69770H (2008) https://doi.org/10.1117/12.777256

KEYWORDS: Remote sensing, Image classification, Satellites, Landsat, Satellite imaging, Earth observing sensors, Accuracy assessment, Analytical research, Digital imaging, Physics

Read Abstract +

Proceedings Article | 4 May 2007 Paper

Real-time air quality monitoring by using internet video surveillance camera

C. Wong, H. Lim, M. MatJafri, K. Abdullah, K. Low

Proceedings Volume 6538, 65381Q (2007) https://doi.org/10.1117/12.719137

KEYWORDS: IP cameras, Cameras, Internet, Video surveillance, Reflectivity, Algorithm development, Image compression, Error analysis, Sensors, Atmospheric particles

Read Abstract +

Proceedings Article | 30 April 2007 Paper

Real-time PM10 concentration monitoring on Penang Bridge by using traffic monitoring CCTV

K. L. Low, H. S. Lim, M. MatJafri, K. Abdullah, C. J. Wong

Proceedings Volume 6560, 65600R (2007) https://doi.org/10.1117/12.719055

KEYWORDS: Reflectivity, Algorithm development, Bridges, Cameras, Atmospheric particles, Content addressable memory, Error analysis, Atmospheric modeling, Internet, Calibration

Read Abstract +

Proceedings Article | 17 May 2006 Paper

Tropospheric aerosols remote sensing over the water surface of Penang Island

S. Hashim, M. MatJafri, K. Abdullah, H. Lim, C. Wong, N. Mohd. Salleh

Proceedings Volume 6235, 62351N (2006) https://doi.org/10.1117/12.665432

KEYWORDS: Aerosols, Transmittance, Atmospheric particles, Remote sensing, Satellites, Reflectivity, Ocean optics, Digital image processing, Image analysis, Earth observing sensors

Read Abstract +

Proceedings Article | 10 May 2006 Paper

Water pollution monitoring using optical sensor based on transmitted light

Sami Gumaan Daraigan, Mohd Matjafri, Khiruddin Abdullah, Lim San, Syahril Hashim

Proceedings Volume 6201, 62010U (2006) https://doi.org/10.1117/12.665421

KEYWORDS: Solids, Light emitting diodes, Optical sensors, Sensors, Algorithm development, Light scattering, Particles, Water contamination, Optical testing, Scattering

Read Abstract +

Proceedings Article | 10 May 2006 Paper

Multi-spectral optical sensor based on light scattering for measuring total suspended solids

Mohd Matjafri, Khiruddin Abdullah, Lim San, Wong Jeng

Proceedings Volume 6201, 62010W (2006) https://doi.org/10.1117/12.665407

KEYWORDS: Light scattering, Solids, Light emitting diodes, Optical sensors, Sensors, Photodetectors, Scattering, Particles, Silicon, Photodiodes

Read Abstract +

Proceedings Article | 4 May 2006 Paper

Image data transfer over the Internet protocol for air quality studies

C. Wong, H. Lim, M. MatJafri, K. Abdullah

Proceedings Volume 6233, 62330Z (2006) https://doi.org/10.1117/12.665425

KEYWORDS: Reflectivity, Image quality, Atmospheric particles, Digital cameras, Internet, Digital imaging, IP cameras, Atmospheric modeling, Algorithm development, Aerosols

Read Abstract +

Proceedings Article | 4 May 2006 Paper

The relationship between air pollution and satellite data from OCTS

H. Lim, M. MatJafri, K. Abdullah, N. Saleh, C. Wong

Proceedings Volume 6233, 62331O (2006) https://doi.org/10.1117/12.665429

KEYWORDS: Reflectivity, Optical coherence tomography, Satellites, Algorithm development, Earth observing sensors, Aerosols, Satellite imaging, Atmospheric particles, Infrared radiation, Thermography

Read Abstract +

Proceedings Article | 17 April 2006 Paper

Land cover mapping from remote sensing data

H. Lim, M. MatJafri, K. Abdullah, N. Saleh, C. Wong, Sultan AlSultan

Proceedings Volume 6245, 62450P (2006) https://doi.org/10.1117/12.665433

KEYWORDS: Associative arrays, Remote sensing, Image classification, Satellites, Landsat, Satellite imaging, Earth observing sensors, Scene classification, Physics, Aluminum

Read Abstract +

Showing 5 of 21 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years