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License plate character segmentation is an important step of license plate recognition (LPR). This paper proposes an approach to segment license plate character based on stroke width transform (SWT). The method detects some character candidates by SWT, reserves real character regions with cluster analysis based on horizontal position and the height of detected candidate regions, and fits two straight...
Screening of crop genotypes with high K efficiency plays a fundamental role in understanding their physiological mechanisms. In this study, pot culture experiment was conducted to reveal the differences in uptake and use of K among 56 barley varieties. The coefficient of variation (CV) of K uptake (Ku) and K dry matter production index (KDMPI) of these varieties were higher than other indices and...
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