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Handling 48-bit images
PhotoImpact supports 48-bit (16 bits per R, G, B channel) image processing and
editing. This allows you over 280 trillion colors, tones and shades to work with in
your images instead of the 16 million colors of 24-bit image editing.
Working with more colors gives you smoother gradations between colors in your
image. And since there is more data per channel, a higher level of detail in images
can be attained in 48-bit images. Editing in this mode also avoids major loss of
color information during digital retouching and color correction processes. You can
acquire 48-bit images via scanners, by opening a RAW file from a digital camera,
and by adjusting/converting the data type of an existing image file.
The following are features that can be adjusted for 48-bit images:
• Brightness and Contrast
• Levels
• Curves
• Hue and Saturation *
• Highlight Midtone Shadow
• Color Balance *
• Invert
• Color Cast *
• Equalize
• Gaussian Blur
Notes:
• You can save 48-bit images in TIF or UFO format.
• * does not support 16-bit grayscale images.
CHAPTER 2: PHOTO EDITING 67
• Unsharp Mask
• Reduce Noise *
• Crop
• Rotate
• Flip
• Zoom
• Auto-process
• Color Adjustment *
• Posterize
• Threshold
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