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:

    “I turn over a new leaf every day. But the blots show through.”
    —Keith Waterhouse, British screenwriter, Willis Hall, and John Schlesinger. Billy Fisher (Tom Courtenay)

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