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	1.	Signal-to-noise analysis of task-based imaging systems with defocus. [electronic resource] by Silveira, Paulo E X Narayanswamy, Ramkumar Producer: 20060629 In: Applied optics vol. 45 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Analytical optical solution of the extension of the depth of field using cubic-phase wavefront coding. Part II. Design and optimization of the cubic phase. [electronic resource] by Bagheri, Saeed Silveira, Paulo E X Narayanswamy, Ramkumar Pucci de Farias, Daniela Producer: 20080722 In: Journal of the Optical Society of America. A, Optics, image science, and vision vol. 25 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Extending the imaging volume for biometric iris recognition. [electronic resource] by Narayanswamy, Ramkumar Johnson, Gregory E Silveira, Paulo E X Wach, Hans B Producer: 20050413 In: Applied optics vol. 44 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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