Fig. 6From: Estimation of crop plant density at early mixed growth stages using UAV imagerySafflower seedling detection over areas with high plant overlap. Magnified views (× 1.5) of an area with safflower seedling clusters before (a) and after (b) safflower seedling detection. Hits following template matching are indicated by red diamonds (13 plants). In contrast, manual counting based on image is 17 plantsBack to article page