2731-131 Minolta Cameras

User Manual - Page 180

For 2731-131.

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52 ADVANCED IMAGE PROCESSING
On the tone-curve / histogram palette, corrections
can be made by specifying a white, black, and gray
point within the image. Locating an appropriate
neutral area within the image is critical to correctly
calibrate the software. When the dropper tool is
selected, the RGB display is active and can be used
to evaluate the image area. All changes are
immediately reflected in the displayed image.
WHITE, BLACK
, AND GRAY-POINT CORRECTIONS
Click the white-point button; the mouse
pointer changes to the white dropper
tool.
Click the black-point button.
With the dropper tool, click on the brightest neutral
area of the image to define it as the white point. The
values of the image will be adjusted based on the
selected point. The default level for the white point is
255 for each RGB channel.
With the dropper tool, click on the darkest neutral area
of the image to define it as the black point. The values
of the image will be adjusted based on the selected
point. The default level for the black point is 0 for each
RGB channel.
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