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)

    “All true histories contain instruction; though, in some, the treasure may be hard to find, and when found, so trivial in quantity that the dry, shrivelled kernel scarcely compensates for the trouble of cracking the nut.”
    —Anne Brontë (1820–1849)