Fig. 6: RGB images of viable and non viable seeds during experiment.
From: AgriSPEC: A smartphone-based, compact biospeckle imager for assessing seed viability

a RGB images of peanut samples (Arachis hypogaea) and b RGB images of pigeon pea samples (Cajanus cajan). Seeds labeled 1 and 2 correspond to viable seeds; seeds labeled 3 and 4 are non-viable seeds.