The decision to use power 2.2 was because of the design the decision to use the display EOTF rather than the piece-wise function designed for creating viewing condition compensation.
There is an excellent video here on the topic:
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The decision to use power 2.2 was because of the design the decision to use the display EOTF rather than the piece-wise function designed for creating viewing condition compensation.
There is an excellent video here on the topic: