Ghost imaging based on Pearson correlation coefficients*
Yu Wen-Kaia),b), Yao Xu-Ria),b), Liu Xue-Fenga), Li Long-Zhena),b), Zhai Guang-Jieb)†
       
Probability distribution of Δ I B, where Δ I B = I B – 〈 I B〉. The left side (blue) is binned for Δ I B < 0, and the right side (pink) for Δ I B > 0. The dashed line denotes 〈Δ I B〉.