Visibility enhancement in two-dimensional lensless ghost imaging with true thermal light
Chen Xi-Hao1, †, Yan Ling1, Wu Wei1, Meng Shao-Ying1, ‡, Wu Ling-An2, Sun Zhi-Bin3, Wang Chao3, Zhai Guang-Jie3
       

(color online) Reconstruction of the image of the double-slit. (a) 2D ghost image. (b) Average of 16 horizontal data sections from panel (a). It is evident that the visibilities here are much better than in Fig. 2.