Chapter 13 - Where to find features
Button/section Description
pressing the left or right arrow on your keyboard to move the slider control.
This control is not available when reviewing optomap® fa images.
Gamma control
Gamma control
The Gamma control will brighten or darken the image without saturating
detail changing the exposure settings. Moving the slider to the right
improves the contrast of dark areas of the image. Moving it to the left
increases the contrast in brighter areas. Gamma correction can be applied
to the image. This will range between 0.5 (to accentuate contrast in bright
parts of the image) up to 2.5 (to accentuate differences in dark parts of the
image). The practical application with optomap® images will be to bring
out the detail in the periphery (gamma greater than 1) and in the optic disk
(gamma less than 1).
You can also change the setting by clicking the control to select it and
pressing the left or right arrow on your keyboard to move the slider control.
Equalization control
Equalization button
The Equalization control will brighten the superior field to match the brightness
of the central pole.
You can also change the setting by clicking the control to select it and
pressing the left or right arrow on your keyboard to move the slider control.
Optimize button
Optimize button
Based on the colors in the image and the colors expected, the software
calculates the ideal value for the red and green contrasts without saturating
either color. The image is optimized automatically when it is first opened.
Restore button
Restore button
Restores the image settings to those that existed when the image was
captured.
Green Balance control
Green Balance control
Click and drag the slider control to the right or left to increase or decrease
the green balance respectively. This control is not available when
reviewing optomap® fa images. The Green Balance Contrast and Brightness
controls change the relative contrast/brightness of the green separation
relative to the red separation. Increasing green settings will give the
composite color image more of a green hue; decreasing them will give the
composite image more of a red hue.
You can also change the setting by clicking the control to select it and
pressing the left or right arrow on your keyboard to move the slider control.
This control is not available when reviewing optomap® fa images.
Image Playback Controls
These controls are available when using the Automated view and FA Slideshow.
Method Description
Automated View
The Automated view moves around the image, showing each area and in
Green Separation, Red Separation and Composite Color views. This provides a
framework for carrying out a general review of the image.
The following buttons can be are used to control the Automated view.
Play button
Plays the Automated view. The Play button changes to the Pause button when
clicked.
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