A schematic of the iPhone-based digital image colorimeter is depicted in Fig. 1. In order to protect the system from outside light, a photography lightbox was made from plywood (10 16.5 25 cm) with the internal walls sprayed with black paint
A schematic of the iPhone-based digital image colorimeter isdepicted in Fig. 1. In order to protect the system from outside light,a photography lightbox was made from plywood (10 16.5 25 cm) with the internal walls sprayed with black paint