Digital Signal Processing Reference
In-Depth Information
FIGURE 14.29
Edge detection (H, horizontal; V, vertical; H&V, horizontal and vertical).
FIGURE 14.30
Image edge detection using a Laplacian of Gaussian filter.
Y
[
filter2([convolution kernel], X)
¼
two-dimensional filter using the convolution kernel
Y
[
medfilt2(X, [row size, column size])
¼
two-dimensional median filter
Program 14.2 lists the sample MATLAB codes for filtering applications.
Figure 14.31
outlines the
applications of the MATLAB functions.
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