Fig. 1. Principle diagram of lensless polarization computed imaging system

Fig. 2. Lensless polarization computed imaging system. (a) Complete camera module diagram with lens; (b) cross-sectional schematic of a lensless polarization system; (c) finished image of lensless polarization computed imaging system

Fig. 3. Point light source image. (a) PSF calibration image; (b) real image reconstructed by point light source

Fig. 4. Original image obtained with lensless computed imaging system

Fig. 5. Real image after computational reconstruction. (a) Letter "E"; (b) digits "2019"; (c) cartoon picture

Fig. 6. Imaging results of polarizer at different rotation angles. (a) 0°; (b) 20°

Fig. 7. Image brightness when the polarizer has different rotation angles