Dr. Abdallah K. Cherri Profile

Dr. Abdallah K. Cherri

Professor at Kuwait Univ

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Author

Publications (20)

SPIE Journal Paper | 23 December 2022

Class-associative multiple target recognition for highly compressed color images in a joint transform correlator

Abdallah Cherri, Alshahd Nazar

OE, Vol. 61, Issue 12, 123102, (December 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.12.123102

KEYWORDS: Image compression, Target detection, Target recognition, Fourier transforms, Optical engineering, Image processing, Spatial light modulators, Phase shifts, Joint transforms, CCD cameras

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Proceedings Article | 27 April 2010 Paper

Terahertz-optical-asymmetric-demultiplexer (TOAD)-based arithmetic units for ultra-fast optical information processing

Abdallah Cherri

Proceedings Volume 7671, 76710N (2010) https://doi.org/10.1117/12.849970

KEYWORDS: Switches, Binary data, Ultrafast phenomena, Computer programming, Optical amplifiers, Optical components, Optical signal processing, Nonlinear optical materials, Logic, Beam splitters

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Proceedings Article | 13 April 2009 Paper

High performance and fast face recognition technique based on components of phases of face images

Naser Zaeri, Abdallah Cherri

Proceedings Volume 7340, 73400Q (2009) https://doi.org/10.1117/12.818126

KEYWORDS: Databases, Facial recognition systems, Fourier transforms, Computing systems, Detection and tracking algorithms, Principal component analysis, Electrical engineering, Image enhancement, Information visualization, Image fusion

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Proceedings Article | 13 April 2009 Paper

Joint transform correlator fingerprint verification using complementary-reference and complementary-scene images

Hussain Kamal, Abdallah Cherri

Proceedings Volume 7340, 73400P (2009) https://doi.org/10.1117/12.818121

KEYWORDS: Target recognition, Joint transforms, Optical correlators, Binary data, Biometrics, Spatial light modulators, Fourier transforms, Electrical engineering, Image processing, Target detection

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Proceedings Article | 17 April 2006 Paper

Non-conventional joint transform correlation using grating filters and heterodyne scanning techniques for pattern recognition applications

Abdallah Cherri, Mohammed Alam

Proceedings Volume 6245, 62450R (2006) https://doi.org/10.1117/12.666224

KEYWORDS: Spatial light modulators, Heterodyning, Optical filters, Joint transforms, Optical scanning, Image filtering, Fourier transforms, Optical scanning systems, Pattern recognition, Image processing

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Proceedings Article | 22 July 2004 Paper

Parallel negabinary signed-digit arithmetic operations: one-step negabinary, one-step trinary, and one-step quaternary addition algorithms

Abdallah Cherri, Husain Kamal

Proceedings Volume 5484, (2004) https://doi.org/10.1117/12.568845

KEYWORDS: Computer programming, Content addressable memory, Spatial light modulators, Symbolic substitution, Optical correlators, Cylindrical lenses, Current controlled current source, Data storage, Holography, Optoelectronics

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Proceedings Article | 5 April 2004 Paper

Measurement of a broad range of Gaussian laser beam diameters using various periodic and aperiodic rulings

Husain Kamal, Abdallah Cherri

Proceedings Volume 5400, (2004) https://doi.org/10.1117/12.555446

KEYWORDS: Optical testing, Transmittance, Ronchi rulings, Convolution, Gaussian beams, Fourier transforms, Opacity, Sensors, Platinum, Modulation

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SPIE Journal Paper | 1 February 2004

Efficient optical negabinary modified signed-digit arithmetic: one-step addition and subtraction algorithms

Abdallah Cherri, Husain Kamal

OE, Vol. 43, Issue 02, (February 2004) https://doi.org/10.1117/12.10.1117/1.1636766

KEYWORDS: Content addressable memory, Symbolic substitution, Optoelectronics, Computing systems, Computer programming, Algorithm development, Optical engineering, Spatial light modulators, Holography, Optical computing

Proceedings Article | 29 November 2000 Paper

Reference phase-encoded joint transform correlator for eliminating undesired cross-correlations involving multiple targets

Abdallah Cherri, Mohammad Alam

Proceedings Volume 4114, (2000) https://doi.org/10.1117/12.408557

KEYWORDS: Target detection, Fourier transforms, Binary data, Joint transforms, Optical correlators, Computer programming, Apodization, Computer engineering, Computer simulations, Sensors

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Proceedings Article | 29 November 2000 Paper

Parallel modified signed-digit algorithms for division, square root, logarithmic, and exponential functions

Abdallah Cherri, Mohammad Alam

Proceedings Volume 4114, (2000) https://doi.org/10.1117/12.408546

KEYWORDS: Optical correlators, Symbolic substitution, Computer programming, Optoelectronics, Matrices, Algorithm development, Computer engineering, Computing systems, Spatial filters, Computer architecture

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Proceedings Article | 1 October 1999 Paper

Quaternary signed-digit arithmetic operations for optical computing

Abdallah Cherri, Mahmoud Habib

Proceedings Volume 3805, (1999) https://doi.org/10.1117/12.363999

KEYWORDS: Computer programming, Optical correlators, Symbolic substitution, Optical computing, Lithium, Matrices, Computer engineering, Detection and tracking algorithms, Photonic devices, Spatial light modulators

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SPIE Journal Paper | 1 March 1999

Signed-digit arithmetic for optical computing: digit grouping and pixel assignment for spatial encoding

Abdallah Cherri

OE, Vol. 38, Issue 03, (March 1999) https://doi.org/10.1117/12.10.1117/1.602118

KEYWORDS: Computer programming, Optical correlators, Optical computing, Spatial light modulators, Optical engineering, Matrices, Symbolic substitution, Computer architecture, Detection and tracking algorithms, Fourier transforms

SPIE Journal Paper | 1 August 1998

Classified one-step high-radix signed-digit arithmetic units

Abdallah Cherri

OE, Vol. 37, Issue 08, (August 1998) https://doi.org/10.1117/12.10.1117/1.601740

KEYWORDS: Computer programming, Spatial light modulators, Optical engineering, Optical correlators, Optical computing, Cylindrical lenses, Data storage, Computing systems, Digital electronics, Photodetectors

SPIE Journal Paper | 1 January 1997

Efficient implementation of arithmetic units based on polarization-encoded optical shadow casting

Abdallah Cherri, Mahmoud Habib, Mohammad Alam

OE, Vol. 36, Issue 01, (January 1997) https://doi.org/10.1117/12.10.1117/1.601148

KEYWORDS: Computer programming, Light emitting diodes, Optical engineering, Logic, Spatial light modulators, Computing systems, Optical computing, Data processing, Binary data, Fourier transforms

SPIE Journal Paper | 1 April 1996

Symmetrically recoded quaternary signed-digit arithmetic using a shared content-addressable memory

Mohammad Alam, Yugesh Ahuja, Abdallah Cherri, Amitava Chatterjea

OE, Vol. 35, Issue 04, (April 1996) https://doi.org/10.1117/12.10.1117/1.600603

KEYWORDS: Content addressable memory, Beam splitters, Computer programming, Optical engineering, Spatial light modulators, Optical computing, Optoelectronics, Data processing, Binary data, Data storage

SPIE Journal Paper | 1 May 1993

Periodic exponential ruling for the measurement of Gaussian laser beam diameters

Abdallah Cherri, Abdul Ahad Awwal

OE, Vol. 32, Issue 05, (May 1993) https://doi.org/10.1117/12.10.1117/12.130251

KEYWORDS: Ronchi rulings, Optical testing, Opacity, Gaussian beams, Sensors, Transmittance, Computer engineering, Laser applications, Metrology, Transparency

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Proceedings Article | 1 November 1992 Paper

Morphological hit-or-miss transformation using polarization-encoded optical shadow casting and optical symbolic substitution

Abdallah Cherri, Dongming Zhao

Proceedings Volume 1823, (1992) https://doi.org/10.1117/12.132059

KEYWORDS: Light emitting diodes, Binary data, Symbolic substitution, Image processing, Opacity, Switching, Machine vision, Computing systems, Digital image processing, Logic

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SPIE Journal Paper | 1 March 1991

Image enhancement using optical symbolic substitution

Abdallah Cherri, Mohammad Karim

OE, Vol. 30, Issue 03, (March 1991) https://doi.org/10.1117/12.10.1117/12.55792

KEYWORDS: Content addressable memory, Binary data, Symbolic substitution, Image enhancement, Holograms, Edge detection, Image processing, Opacity, Sensors, Holography

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Proceedings Article | 1 July 1990 Paper

Morphological transformation based on optical symbolic substitution and polarization-encoded optical shadow-casting systems

Abdallah Cherri, Abdul Ahad Awwal, Mohammad Karim

Proceedings Volume 1215, (1990) https://doi.org/10.1117/12.18095

KEYWORDS: Light emitting diodes, Symbolic substitution, Optical computing, Binary data, Logic, Opacity, Computing systems, Computer engineering, Image processing, Computer programming

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Proceedings Article | 1 July 1990 Paper

Architectural relationship of symbolic substitution and optical shadow casting

Abdul Ahad Awwal, Abdallah Cherri, Mohammad Karim

Proceedings Volume 1215, (1990) https://doi.org/10.1117/12.18096

KEYWORDS: Symbolic substitution, Optical computing, Logic, Light emitting diodes, Image filtering, Optical correlators, Binary data, Optical proximity correction, Detection and tracking algorithms, Computer programming

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