一种大米白度的检测方法

A Measuring Method of Rice Whiteness

为了全面合理地对大米表面色泽信息进行评价,运用了一种基于三刺激值的大米白度检测方法,在利用三刺激值理论获取大米白度及彩色信息基础上,对大米进行综合评价.此方法不但可以准确测得大米的白度值,还可以对大米的L*、a*、b*(L*为米制明度;a*、b*为米制色品)各项色彩指标进行计算,在测得大米白度的同时,也给出大米的偏色程度.实验结果表明,该方法可客观全面地评价大米色泽,准确区分大米质量.

A way to detect the rice whiteness was applied based on the tristimulus values for appraising rice surface colour information roundly. Appraising rice synthetically based on using the theory of tristimulus values to gain whiteness and eolour information of rice. The method can not only mensurate the rice whiteness exactly, but also calculate the L＊ ,a ＊ , b ＊ colour parameter,the rice chromatism will be calculated when the rice whiteness is detected. The results indicate the method appraises rice colour and luster objectively,distinguishing quality well and truly.