Calculation and Function of Composition Proportion in Photography Based on Digital Information Technology

Table 3

Rotation test.

Rotation angle	0	15	30	45	60	75	90	105	120	135	150	165
Difference	0	0.171	0.124	0.0200	0.0135	0.0109	0.0028	0.019	0.028	0.0147	0.0081	0.0192