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Next: 13.3.6 Correlation and Feature Up: 13.3.5.6 Sobel Filter Previous: 13.3.5.6.1 Horizontal   Contents

13.3.5.6.2 Vertical

\begin{displaymath}
\left[
\begin{array}{r r r}
-1 & 0 & 1 \\
-2 & 0 & 2 \\
-1 & 0 & 1 \\
\end{array}
\right]
\end{displaymath}



2001-01-10