The image processing method of spraying target based on chroma

The truck-mounted ultra-low capacity spraying target is mainly used in the prevention and treatment of the plant´s diseases and insects in the urban tree lawn. Then how to differentiate the billboard on the both sides of the streets, especially the green overhead structure billboard, moreover, the change of illumination condition whether to have the influence to the chroma factor´s testing, these are the concrete questions which this chapter is involved in. Although, the tree´s crown and the green billboard include massive green parameter factor, whether from the three primary colors aspects to carry on transformation processing, to find out the crown target which is different from other chroma factor´s combination. The following begins these aspects unique research.