Fig. 1. Schematics of capsule endoscopes. (a) Traditional capsule endoscope; (b) dual view capsule endoscope

Fig. 2. Initial structure diagram of proposed system

Fig. 3. Back view structure diagrams. (a) Before reflection; (b) after reflection

Fig. 4. Diagram of receiver

Fig. 5. Reflection surface diagram

Fig. 6. Diagram of dual view structure

Fig. 7. Structure diagrams of views. (a) Front view; (b) back view

Fig. 8. Modulation transfer function of views. (a) Front view; (b) back View

Fig. 9. Field curvature and distortion. (a) Front view; (b) back view

Fig. 10. Modulation transfer function for defocusing. (a) Front view; (b) back view