Contrast sensitivity function (Barten's model)

Calculate contrast sensitivity values of input spatial frequencies using the Barten's model. Input parameters include spatial frequency (cycle/degree), display luminance (cd/m2), surrounding luminance (cd/m2), and field of view (degree).

Reference: P. Barten, “Formula for the contrast sensitivity of the human eye,” Proc. SPIE 5294, 231–238 (2003).

By Zong Qin (qinzong.wnlo@gmail.com) from National Chiao Tung University, Taiwan