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. 2011 Sep 17;5(3):301–309. doi: 10.1007/s11571-011-9170-0

Fig. 9.

Fig. 9

Output image of the orientation responding to a zebra image. a Show the input image with resolution 512 × 512. b, c and d show the output image that was obtained with the preferred orientation of 0°, 90°, 60°, respectively