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Filter Kernels – Edge Detection<br />
⇨ Edge detection<br />
Take the difference of each pixel<br />
and its left neighbor<br />
px , y− px−1, y<br />
Take the difference of each pixel<br />
and its right neighbor<br />
px , y−px1, y<br />
Add the two together<br />
2 px , y−px−1, y−px1, y<br />
24-November-2010<br />
© Copyright Ian D. Romanick 2009, 2010
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