Computer Vision Estimation of the Volume and Weight of Apples by Using 3D Reconstruction and Noncontact Measuring Methods

Figure 9

Measured versus estimated values for weight prediction by the PLS and LS-SVM models. (a) The measurement results estimation by the PLS model using the traditional projection area. (b) The measurement results estimation by the PLS model using Combination Feature I. (c) The measurement results estimation by the PLS model using Combination Feature II. (d) The measurement results estimation by LS-SVM model using Combination Feature I. (e) The measurement results estimation by LS-SVM model using Combination Feature II.