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5-4.Contrast
When working with an image that is dark or has poor contrast click the Contst button to
automatically adjust the contrast.
5-5.Brightness
To change the brightness of an image:
1. Click on the Bright button. The Bright dialog box appears.
2. Move the mouse over the image to display the gray level at that point in the image.
3. Do one of the following:
• Adjust the level by clicking on the Dark and Brt buttons in the dialog window.
• Click the RGB button in the Bright dialog window to display the RGB sliders. Use the sliders to
independently adjust the red, green, and blue levels of the image.
Shows the gray level at mouse position
Adjust the level of brightness
Display the RGB bar
Adjust the RGB levels
5-6.Analysis of RGB color
You can view the individual color components in the image with the Red, Green, and Blue buttons.
• Click the Red button to view only the red color component in the image.
• Similarly, click the Green or Blue button to individually display the respective color components.
5-7.Negative Image
Click on the Nega button to view a negative of the image.
5-8.Flip Image
To flip the image in the vertical or horizontal direction:
1. Click on U/D to flip the image vertically (top to bottom) along the horizontal axis.
2. Click on L/R to flip the image horizontally (left to right) along the vertical axis.
5-9.Zoom Image
The Zoom tool magnifies the image view.
Click the Zoom button. Cursor will change to a
⊕.
2. Click on point of interest in the image to magnify to twice the size.