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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 5 — Feb. 10, 2000
  • pp: 835–849

Focal-plane processing architectures for real-time hyperspectral image processing

Sek M. Chai, Antonio Gentile, Wilfredo E. Lugo-Beauchamp, Javier Fonseca, José L. Cruz-Rivera, and D. Scott Wills  »View Author Affiliations


Applied Optics, Vol. 39, Issue 5, pp. 835-849 (2000)
http://dx.doi.org/10.1364/AO.39.000835


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Abstract

Real-time image processing requires high computational and I/O throughputs obtained by use of optoelectronic system solutions. A novel architecture that uses focal-plane optoelectronic-area I/O with a fine-grain, low-memory, single-instruction–multiple-data (SIMD) processor array is presented as an efficient computational solution for real-time hyperspectral image processing. The architecture is evaluated by use of realistic workloads to determine data throughputs, processing demands, and storage requirements. We show that traditional store-and-process system performance is inadequate for this application domain, whereas the focal-plane SIMD architecture is capable of supporting real-time performances with sustained operation throughputs of 500–1500 gigaoperations/s. The focal-plane architecture exploits the direct coupling between sensor and parallel-processor arrays to alleviate data-bandwidth requirements, allowing computation to be performed in a stream-parallel computation model, while data arrive from the sensors.

© 2000 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(100.2000) Image processing : Digital image processing
(100.2550) Image processing : Focal-plane-array image processors
(110.0110) Imaging systems : Imaging systems

History
Original Manuscript: May 18, 1999
Revised Manuscript: September 7, 1999
Published: February 10, 2000

Citation
Sek M. Chai, Antonio Gentile, Wilfredo E. Lugo-Beauchamp, Javier Fonseca, José L. Cruz-Rivera, and D. Scott Wills, "Focal-plane processing architectures for real-time hyperspectral image processing," Appl. Opt. 39, 835-849 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-5-835

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