In a previous Letter [Opt. Lett. 33, 2209 (2008) ] the legend for two panels in Fig. 3 was incorrect and is corrected here.

© 2009 Optical Society of America

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  1. R. M. Pasternack, Z. Qian, J-Y. Zheng, D. N. Metaxas, E. White, and N. N. Boustany, Opt. Lett. 33, 2209 (2008).
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Fig. 1
Fig. 1

W2 and D3 images. (a) Differential interference contrast. (b) Dark-field. (c) Object orientation as in Fig. 2(b). (d) Orientation of objects with response intensity 15% of maximum. Line segment indicates the corresponding structure’s long axis. (e), (f) W2 and D3 orientation images after block-processing the initial Gabor-filtered images to simulate a 4x demagnification. (g), (h) Pixel histograms of all W2 and D3 cells (g) before and (h) after demagnification. Color-bar values in panels (c), (e), and (f) are taken as “aspect ratio.”