1 October 2007 Optical implementation of the filtered backprojection algorithm
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Abstract
Filtered backprojection (FBP) is the basic operation of image reconstruction algorithms in tomography. It is widely used but very time-consuming. We propose a new implementation, based on an optoelectronic architecture, providing a speedup of about two orders of magnitude over a classical digital implementation. The realization of the optical core, based on a rotated Dove prism, requires careful attention in order to ensure good image quality. This aspect has been studied in simulation with a suitable model of the architecture, and in practice with an experimental setup. Results are very encouraging.
© (2007) Society of Photo-Optical Instrumentation Engineers (SPIE)
Morgan Madec, Jean-Baptiste Fasquel, Wilfried Uhring, Pascal Yvon Joffre, Yannick Herve, "Optical implementation of the filtered backprojection algorithm," Optical Engineering 46(10), 108202 (1 October 2007). https://doi.org/10.1117/1.2786450 . Submission:
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