Fisher Kernel

The Fisher kernel is defined as

K(X_i, X_j) = U_{X_i}^T I^{-1} U_{X_j}

with I the Fisher information matrix.

Famous quotes containing the words fisher and/or kernel:

    “A mother is not a person to lean on but a person to make leaning unnecessary.”
    —Dorothy Canfield Fisher (20th century)

    “After night’s thunder far away had rolled
    The fiery day had a kernel sweet of cold”
    —Edward Thomas (1878–1917)