Fig. 5.

Automated detection of water-borne parasites (Giardia Lamblia Cyst and C. Parvum) within a heterogeneous mixture is demonstrated. This is a reconstructed holographic image captured by the lensfree microscope shown in Fig. 1(a). The digital reconstruction process takes less than one second using a graphics processing unit (GPU). 3 and 10 μm beads as well as uncontrolled dust particles were also present in the same solution. For Giardia samples, the green line points to the automatically detected longer axis of the parasite.