A simple digital image processing method is proposed to separate the isochromatics from the isoclinics.
提出了一种简单的数字图像方法分离等倾线与等差线，得到全场等差线条纹图；
2
The main purpose of this article is to improvement of isochromatics wrapped phase map can make the phase to unwrap successfully and get the physical quantity we want to know, relative retardation.