pyiqa.metrics.correlation_coefficient
=====================================

.. py:module:: pyiqa.metrics.correlation_coefficient




Module Contents
---------------

.. py:function:: 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



.. py:function:: calculate_rmse(x, y, fit_scale=None, eps=1e-08)

.. py:function:: calculate_plcc(x, y, fit_scale=None)

.. py:function:: calculate_srcc(x, y)

.. py:function:: calculate_krcc(x, y)