Color Measurement of Tea Leaves at Different Drying Periods Using Hyperspectral Imaging Technique

Abstract

This study investigated the feasibility of using hyperspectral imaging technique for nondestructive measurement of color components (ΔL*, Δa* and Δb*) and classify tea leaves during different drying periods. Hyperspectral images of tea leaves at five drying periods were acquired in the spectral region of 380-1030 nm. The three color features were measured… (More)
DOI: 10.1371/journal.pone.0113422

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