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2. 2） G. Häusler: Opt. Commun. 6 (1972) 38.
3. 3） H. Nagahara, S. Kuthirummal, C. Zhou, and S. K. Nayar: ECCV’
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4. 4） J. W. Goodman: Introduction to Fourier Optics, 3rd edition (Roberts
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5. 5） E. R. Dowski and W. T. Cathey: Appl. Opt. 34 (1995) 1859.