IMAGE CONVERSION PARAMETER ARITHMETIC UNIT AND IMAGE CONVERSION PARAMETER OPERATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide an image conversion parameter operation method allowing extraction of an optimum conversion parameter with a comparatively small calculation amount.

SOLUTION: By searching a search space of an affine parameter by use of two techniques of an acceleration process using a relaxation greedy search and Monte Carlo sampling, the optimum conversion parameter is extracted. Greedy search is a technique for performing optimum selection at each time point by expecting to finally become an optimum solution. The relaxation greedy search is a relaxation search selecting one or more optimum solution candidates by use of a selection function. The Monte Carlo sampling is a statistical sampling method, and can accelerate a search process.

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