pyiqa.metrics.correlation_coefficient

Module Contents

pyiqa.metrics.correlation_coefficient.fit_curve(x, y, curve_type='logistic_4params')

Fit the scale of predict scores to MOS scores using logistic regression suggested by VQEG.

The function with 4 params is more commonly used. The 5 params function takes from DBCNN:

• https://github.com/zwx8981/DBCNN/blob/master/dbcnn/tools/verify_performance.m

pyiqa.metrics.correlation_coefficient.calculate_rmse(x, y, fit_scale=None, eps=1e-08)

pyiqa.metrics.correlation_coefficient.calculate_plcc(x, y, fit_scale=None)

pyiqa.metrics.correlation_coefficient.calculate_srcc(x, y)

pyiqa.metrics.correlation_coefficient.calculate_krcc(x, y)