Fig. 1. Distribution of stereo viewing area and crosstalk area of integral imaging

Fig. 2. Reproducing images. (a) Correct 3D image; (b) crosstalk image

Fig. 3. Viewing area distribution of fixed aperture mask array method

Fig. 4. Effective pixel region distribution of image elements

Fig. 5. Principle of the proposed method and the structure of gradual aperture mask array. (a) Light propagation of crosstalk-free integral imaging 3D display with full stereo viewing area; (b) structure of gradient aperture mask array

Fig. 6. Light distribution in each viewing area. (a) Light propagation of main viewing area and even-order viewing area passing through the hole 1; (b) light propagation of odd-order viewing area passing through the hole 2; (c) distribution of stereo viewing area of proposed structure

Fig. 7. Distribution of stereo image and crosstalk image of traditional integral imaging. (a) Left first-order visual area -35°; (b) main visual area -12°; (c) main visual area 0°; (d) main visual area 12°; (e) right first-order visual area 35°; (f) crosstalk area -50°; (g) crosstalk area -27°; (h) crosstalk area 27°; (i) crosstalk area 50°

Fig. 8. Distribution of stereo image and dark zone image of proposed gradient aperture mask array structure. (a) Left first-order visual area -35°; (b) main visual area -12°; (c) main visual area 0°; (d) main visual area 12°; (e) right first-order visual area 35°; (f) crosstalk area between first-order visual area and second-order visual area on the left -50°; (g) crosstalk area between main visual area and first-order visual area on the left -27°; (h) crosstalk area between main visual area and first-order visual area on the right 27°; (i) crosstalk area between first-order visual area and second-order visual area on the right 50°

Table 1. Experimental parameters

Table 2. Distribution of stereo viewing area