Inverse imaging is a versatile technique for sectional image reconstruction in optical scanning holography. However, the matrix computation involved in the iterative process imposes a significant constraint on the size of the images. In this work, we develop a fast iterative method that circumvents the problem by taking advantage of the structures in the matrices. Experimental results show that we can handle large-size images about 64 times the previous size with a comparable amount of computation.

© 2009 Optical Society of America

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