Relationship of Textures from Tomato Fruit Images Acquired Using a Digital Camera and Lycopene Content Determined by High-Performance Liquid Chromatography

This study aimed at correlating image features with the lycopene content of tomato fruit. Tomato cultivars different fruit colors, such as ‘O?arowski’ (yellow), ‘Marvel Striped’ (yellow-orange-pink), ‘Green Zebra’ (green), Sandoline F1 (red), Cupidissimo and Sacher (brown) were selected for study. The fruits imaged using a digital camera. texture parameters computed from images converted to color channels R, G, B, L, a, b, X, Y, Z based on histogram, autoregressive model, gradient map, co-occurrence matrix, run-length matrix. Lycopene was determined high-performance liquid chromatography (HPLC). Pearson’s correlation coefficients (R), regression equations, determination (R2) determined. in ranged 0.31 mg 100 g?1 11.83 F1. coefficient (R) between textures reached ?0.99 Y. highest positive (R parameter equal 0.98) obtained channel Based individual providing results, one equations. Coefficients 0.99 G. equations may be used practice nondestructive, objective, precise estimation