3 September 2008 Cost function statistical analysis in double random phase encoding
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Abstract
We examine the Amplitude-Encoding (AE) case of the Double Random Phase Encoding (DRPE) technique. A cost function is the function we use to evaluate an attempted decryption with our original input image. For systems with a relatively small key-space we can evaluate the output of every key to get an overall idea of the spread of these keys in key-space. However for larger systems this is not practical. Based on a normalised root mean squared cost function we wish to identify expressions for the mean and variance of the output (decrypted) intensity for a sample set of keys in a large system (256x256 pixels).
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David S. Monaghan, David S. Monaghan, Unnikrishnan Gopinathan, Unnikrishnan Gopinathan, Guohai Situ, Guohai Situ, Thomas J. Naughton, Thomas J. Naughton, John T. Sheridan, John T. Sheridan, } "Cost function statistical analysis in double random phase encoding", Proc. SPIE 7072, Optics and Photonics for Information Processing II, 70720Z (3 September 2008); doi: 10.1117/12.798202; https://doi.org/10.1117/12.798202
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