Fig. 3From: Accelerating leaf area measurement using a volumetric approachThe relationship between optically and volumetrically measured leaf areas. A Correlation between the results of the two methods including the volume of midrib; and B excluding the volume of midrib; C Bland–Altman plot of leaf area measured using the two methods, including the volume of midrib; and D excluding the volume of midrib. NRMSE: normalized root mean square error (calculated by dividing the RMSE by the range of the optical values). SD, standard deviationBack to article page