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. 2020 Apr 15;11:402. doi: 10.3389/fpls.2020.00402

TABLE 3.

Grading results for broccoli quality obtained by using the Particle Swarm Optimization Algorithm (PSOA) and the Otsu algorithm.

Level 0 Level 1 Level 2 Level 3 Level 4 Accuracy
Zheqing95 31.2% 29.7% 12.5% 13.4% 13.2% 0.879
Tailv1 38.9% 37.7% 11.6% 7.8% 4.0% 0.853
Tailv2 25.1% 22.4% 25.3% 10.4% 16.8% 0.841