Dependence of Directivity in Spatial Frequency Response of the Human Eye (2) - Mathematical Modeling of Modulation Transfer Function

摘要

In a previous paper, we measured the dependence of the directivity of contrast sensitivity of human eye in different luminance and opponent color space. On the basis of those measured contrast ensitivities, two dimensional MTF model of human eye is proposed and the model is applied to extended S-CIELAB model. It is shown that the proposed model is significant to evaluate the quality of digital images.