Figure 1.

Schematic illustration of our EHECCO-based metric. Input spaces $\mathcal{X}$ and $\mathcal{Y}$ are mapped to RKHSs $\mathcal{H}$ and $\mathcal{G},$ respectively. Then, the tensor space $\mathcal{H}\otimes \mathcal{G}$ is built using a cross-covariance operator strategy.