发明授权
US09541496B2 Freshness estimation method, freshness estimation apparatus, and non-volatile recording medium 有权
新鲜度估计方法,新鲜度估计装置和非易失性记录介质

Freshness estimation method, freshness estimation apparatus, and non-volatile recording medium
摘要:
A freshness estimation method includes obtaining an absorbance spectrum that is obtained by irradiating an eye of a fish with light having all or part of a wavelength band from 315 nm to 450 nm; and estimating freshness of the fish by using a shape of the obtained absorbance spectrum.
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