Panasonic PV500 User Manual page 87

2. Move the cursor onto the point you want to change
the value and press the F2 "Auto Adjustment".
The value for the selected gray level (at the point marked
with a black circle on the graph) is displayed.
3. Tilt the ENTER key up/down to specify the value.
Changing the value moves the point on the luminance
graph up/down. The other points are automatically
adjusted along with the point moved up/down.
At this time, the point that the value has been already
input is not automatically adjusted as the value is fixed.
In the right example, as the point with the gray level of 128
is determined, the point on the luminance graph does not
change even if the next gray level has been changed from
160 to 200.
4. After setting the necessary points, press the ENTER
key or "CANCEL" key to fix the setting.
Index 3
Main application: Defocusing
Median
Removes light or fine noises.
Smoothing
Decreases noises by blurring an
image to help measuring the
position of the object.
Index 4
·
Main application:
·
Common parameter:
Sobel
Same as "Prewitt". More easily
extracts the area of lower contrast.
Prewitt
Extracts the area of which
grayscale value changes. The
image becomes an image with
extracted outlines and edges of the
object.
Laplacian
Extracts the area of which
grayscale value changes.
Contour enhancement
Size: 3x3, 5x5, 7x7, 9x9
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