Bruising of the subcutaneous tissues of blueberries is an important form of mechanical damage. Different levels of bruising have a significant effect on the post-harvest marketing of blueberries. To distinguish different grades of blueberry bruises and explore the effects of different factors. explicit dynamic simulation and near-infrared hyperspectral reflectance imaging were employe... https://halohealthcarers.shop/product-category/wheelchair-cushion/