\(CCE=-\sum_{i=1}^{8}{y_{i}\text{\ log}\hat{y_{i}}}\), where \(\mathbf{y}\) is a target vector and \(\hat{\mathbf{y}}\) is a model output, (1)
\[MCC=\ \frac{TP\times TN-FP\times FN}{\sqrt{\left(TP+FP\right)\left(TP+FN\right)\left(TN+FP\right)\left(TN+FN\right)+e}}\] where \(TP=\ \mathbf{y\ \cdot}\hat{\mathbf{y}}\), \(TN=(\mathbf{1}-\mathbf{y)\cdot(1-}\hat{\mathbf{y}})\), \(FP=\left(\mathbf{1}-\mathbf{y}\right)\mathbf{\cdot}\hat{\mathbf{y}}\), \(FN=\mathbf{y\cdot}\left(\mathbf{1-}\hat{\mathbf{y}}\right)\), and \(e\) is a very small number preventing division by zero,
(2)
\(Loss=CCE-MCC\) (3)