Fig. 1. Four pairs of original stereoscopic images

Fig. 2. Algorithm flow chart

Fig. 3. Extraction process of salient stereoscopic images. (a) Right view; (b) disparity map; (c) 2D saliency degree map; (d) 3D saliency degree map; (e) mask map; (f) optimized mask map; (g) salient stereo image

Fig. 4. Salient hot maps obtained by eye tracker experiment

Fig. 5. Diagram of linear variation of contrast

Fig. 6. Comfortable contrast matching map (MM) and difference map (DM) of four group of stereo images. (a) Comfortable contrast MM; (b) comfortable contrast DM

Fig. 7. Comfortable contrast MM and DM of stereo images.(a) Comfortable contrast MM; (b) comfortable contrast DM

Fig. 8. Comparison of experimental results in this paper and Ref. [12]

Fig. 9. Two pairs of original stereo images. (a) Toy; (b) kid