APPLIED OPERATIONS/Image Processing
OPERATION INSTRUCTIONS
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Page
3 High-pass X filter
The HIGH-PASS X filter passes the high-frequency structures in the X-direction of image. In
this way, it can extract details by detecting positions with large variation. This processing is
useful for making structures clear or extract the edges. The filter format is as shown below.
-1 -1 -1
000
111
The operation method is identical to Laplacian filtering except for the following point. See
section 2-6-1-1-1, “Laplacian filter”.
z Click the <Highpass X> button.
4 Highpass Y filter
The HIGH-PASS Y filter passes the high-frequency structures in the Y-direction of image. In
this way, it can extract details by detecting positions with large variation. This processing is
useful for making structures clear or extract the edges. The filter format is as shown below.
10-1
10-1
10-1
The operation method is identical to Laplacian filtering except for the following point. See
section 2-6-1-1-1, “Laplacian filter”.
z Click the <Highpass Y> button.
<Highpass X> button
<Highpass Y> button
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