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Figure 8
The variation in gradient angle taken over four pixel blocks is shown in (a) with darker pixels indicating lower values. In (b) the edge pixels for the coarse mask obtained from (a) are shown in grey with the object pixels in black. |
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Figure 8
The variation in gradient angle taken over four pixel blocks is shown in (a) with darker pixels indicating lower values. In (b) the edge pixels for the coarse mask obtained from (a) are shown in grey with the object pixels in black. |