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. 2023 Oct 4;19:103. doi: 10.1186/s13007-023-01079-x

Fig. 1.

Fig. 1

Vision challenges and difficulties in automated recognition of wheat heads. a. Variations in appearance due to varietal differences in different regions, b. Texture differences resulting from different growth stages, c. Changes in illumination due to varying weather conditions, d. Dense distribution and significant occlusion caused by precision farming, e. Diversity and induced visual patterns due to complex backgrounds, f. Posture changes caused by wind, imaging angles, and perspective differences