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:

    Salad is roughage and a French idea.
    —U.S. grandmother. As quoted in “Once a Tramp, Always ...,” by M.F.K. Fisher (1969)

    We should never stand upon ceremony with sincerity. We should never cheat and insult and banish one another by our meanness, if there were present the kernel of worth and friendliness. We should not meet thus in haste.
    Henry David Thoreau (1817–1862)