The authors of the above titled paper (ibid., vol 56, no. 8, pp. 3203-3213, Aug. 09) point out that the credits for Figs. 14 and 17 were missing in the final print version. These two figures were edited from the figures in another paper (see ref. ) and used to introduce the background of the Multimodal Biometrics Grand Challenge organized by the National Institute of Standards and Technology.