Fig. 1. Images of fluorescent molecules by simulation generated. (a) A frame image; (b) Wide-field image by 500 frames accumulated

Fig. 2. Images of different pixel sizes by simulation generated. The pixel sizes are (a) 60 nm; (b) 120 nm; (c) 160 nm; (d) 200 nm, respectively

Fig. 3. Comparison of curves of reconstructed super-resolution images based on different pixel sizes. The pixel sizes are (a) 60 nm; (b) 120 nm;(c) 160 nm; (d) 200 nm, respectively

Fig. 4. Comparison of curves of reconstructed super-resolution images based on different photons number

Fig. 5. Comparison of curves of reconstructed super-resolution images based on different background photons number

Fig. 6. Comparison of run time curves of reconstructed by 500 small block images （Box size is the size of divided image）

Fig. 7. Comparison of reconstructions images of L1-H and MMV-CS algorithms based on high-density images. (a) Wide-images of directly accumulated microtubule images by 1500 frames; (b) A frame of 1500 frames; Reconstructions images using (c) L1-H algorithm and (d) MMV-CS algorithm

Fig. 8. Comparison of intensity curves along the white line in Fig. 7(c）, （d)