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. 2010 Sep 1;120(9):3054–3063. doi: 10.1172/JCI42161

Figure 4. An edge detection algorithm applied to the image on the left produced the image on the right.

Figure 4

Edge detection is thought to mimic one of the initial steps in processing visual information in primary visual cortex (2, 79, 136). Original photo taken by Nambi Nallasamy.