Spatial demultiplexing/multiplexing approach for image correction and processing for bidirectional resonant scanners

Jed Khoury; Charles L. Woods; Bahareh Haji-Saeed; Sandip K. Sengupta; John Kierstead

doi:10.1117/1.2721966

1 April 2007 Spatial demultiplexing/multiplexing approach for image correction and processing for bidirectional resonant scanners

Jed Khoury, Charles L. Woods, Bahareh Haji-Saeed, Sandip K. Sengupta, John Kierstead

Author Affiliations +

Optical Engineering, Vol. 46, Issue 4, 047001 (April 2007). https://doi.org/10.1117/1.2721966

Abstract

We have developed a spatial demultiplexing/multiplexing algorithm for correcting sinusoidally scanned distorted images. In our approach, the scanned image is demultiplexed into equal spatial slots (strips) perpendicular to the scan direction. Each spatial slot is interpolated through either an oversampling or an undersampling algorithm, depending upon its location. The interpolated spatial slots are multiplexed to reconstruct the corrected image. The implementation of this algorithm shows that, for our 100-pixel-wide test image, depending upon the slot size, it is possible to retrieve at least 99% of the original image, as measured by the recovered energy.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jed Khoury, Charles L. Woods, Bahareh Haji-Saeed, Sandip K. Sengupta, and John Kierstead "Spatial demultiplexing/multiplexing approach for image correction and processing for bidirectional resonant scanners," Optical Engineering 46(4), 047001 (1 April 2007). https://doi.org/10.1117/1.2721966

Published: 1 April 2007

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