HDR Image Analyzer v1.0r3 28 www.aja.com
Figure 28. Signal Analysis with CIE xy Gamut Graph and Vectorscope
NOTE: The above settings will be reflected in the CIE xy graph and the gamut meter.
White Point Compensation
White point is a marker on the CIE graph. White point compensation D65 however
is an option to change processing, so that if you are in XYZ Gamma2.6 colorspace
(Digital Cinema) you can change the Vectorscope and Waveform processing so
that the balanced white would be D65 instead of DCI. By default DCI white would
be in the center of the Vectorscope, and DCI white would have the same level in
the three channels of the waveform. If you turn on White Point Compensation to
D65, then D65 white would be in the center of the Vectorscope and D65 white
would have the same level in the three channels.
• The White Point Compensation parameter in the Analyzer menu turns
compensation On and O, which will change the analysis of the incoming
video.
• The White Point parameter simply displays a box for either D65 or DCI on the
CIE graph, and does NOT alter the analysis of the incoming video.
False Color
It is possible to use QC Player for checking illegal or near-illegal brightness and
gamut levels by enabling the False Color mode. The available False Color display
modes are the following:
• Brightness
• Brightness Warning
• Gamut
• Gamut Warning
In the Warning modes, pixels that are too bright or out of gamut are colored
red. Values at 90% of threshold are orange. The rest of the pixels are displayed in
grayscale.
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