شكل 17.173. Applying example for the Image Gradient filter
Original image
Filter “Image Gradient” applied with default options.
Filter “Image Gradient” applied with Direction option.
This filter detects edges in one or two gradient directions.
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ياداشت |
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These options are described in قسمت 2, “Common Features” . |
Magnitude is default: it combines both directions. Direction: only one direction is used. Both is like Magnitude.
شكل 17.175. Output mode examples
Original image, with abrupt luminosity change
Option Magnitude is selected
Option Direction is selected. In result, black is no edge detected, white is edge detected.