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Spectral multiplexing method for digital snapshot spectral imaging
 

Summary: Spectral multiplexing method for digital
snapshot spectral imaging
Michael A. Golub,1,
* Menachem Nathan,1
Amir Averbuch,2
Eitan Lavi,2
Valery A. Zheludev,2
and Alon Schclar2
1
Department of Physical Electronics, Faculty of Engineering, Tel Aviv University, Ramat Aviv 69978, Israel
2
School of Computer Science, Faculty of Exact Sciences, Tel Aviv University, Ramat Aviv 69978, Israel
*Corresponding author: mgolub@eng.tau.ac.il
Received 27 October 2008; revised 5 February 2009; accepted 6 February 2009;
posted 13 February 2009 (Doc. ID 103259); published 4 March 2009
We propose a spectral imaging method for piecewise "macropixel" objects, which allows a regular digital
camera to be converted into a digital snapshot spectral imager by equipping the camera with only a
disperser and a demultiplexing algorithm. The method exploits a "multiplexed spectrum" intensity pat-
tern, i.e., the superposition of spectra from adjacent different image points, formed on the image
sensor of the digital camera. The spatial image resolution is restricted to a macropixel level in order

  

Source: Averbuch, Amir - School of Computer Science, Tel Aviv University

 

Collections: Computer Technologies and Information Sciences