Research Article

[Retracted] Multi-region Nonuniform Brightness Correction Algorithm Based on L-Channel Gamma Transform

Table 3

The brightness similarity Si(U, Vi) between area 2 and four typical image modules.

Sd(U, Vd)Sh(U, Vh)St(U, Vt)Sn(U, Vn)

Area 20.4940.9270.8160.711