CPC G06T 5/009 (2013.01) [G06T 2207/10024 (2013.01); G06T 2207/20208 (2013.01); G06T 2207/30252 (2013.01)] | 22 Claims |
1. A method comprising:
determining tone control points based at least on first pixel values defined by first image data;
computing a rate of change for a tone mapping function based at least on a first tone control point of the tone control points;
fitting a curve of the tone mapping function to a second tone control point of the tone control points based at least on constraining the tone mapping function to the rate of change at the second tone control point; and
generating second image data defining second pixel values using the tone mapping function.
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