10 images per user per scale were used for training and 15 images per user per scale were used for testing.
A difference of 15 per scale was considered as clinically relevant.
Furthermore, the 5 Z-scales were also binned into several classes per scale (Z-scales (Binned)).
The y-Axis is labelled with the index achieved for each indicator per scale.
The expert's opinions were recorded by providing four options per scale.
For every subject 25 images per scale, at four shifts and two angles were taken (total 400 images per subject).
Direct computation of (11) would involve O N2) operations per scale with N as the length of the input sequence.
It consists of three self-report scales (7 items per scale) designed to measure the negative emotional states of depression, anxiety and stress.
In our study, only two items were included in each factor, however three items per factor is generally viewed as a minimum rather than an optimal number of items per scale.
Five CFA were carried out, using maximum likelihood estimation, in order to test for the expected five emotions socialization strategies using the original ESS structure: three items per scale (Additional file 1).
