Toru Fujita

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Tricholoma matsutake is an ectomycorrhizal basidiomycete that produces prized, yet uncultivable, “matsutake” mushrooms along densely developed mycelia, called “shiro,” in the rhizosphere of coniferous forests. Pinus densiflora is a major host of this fungus in Japan. Measuring T. matsutake biomass in soil allows us to determine the kinetics of fungal growth(More)
—RSA is one the most well-known public-key cryp-tosystems widely used for secure data transfer. An RSA encryp-tion key includes a modulus n which is the product of two large prime numbers p and q. If an RSA modulus n can be decomposed into p and q, the corresponding decryption key can be computed easily from them and the original message can be obtained(More)
previous observations by Sundram et al. (14) and may also reflect the nonfunctioning nature of the tumors. CONCLUSION Although we did not perform a prospective study to evaluate whether Tc-MIBI is useful for early detection of tumor recurrence, the sensitivity of this technique for the detection of métastaseswarrants its use for clinical follow-up of(More)
Maximum likelihood expectation maximization (ML-EM) image quality is sensitive to the number of iterations, because a large number of iterations leads to images with checkerboard noise. The use of median filtering in the reconstruction process allows both noise reduction and edge preservation. We examined the value of median filtering after reconstruction(More)
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