With technological improvements in both capture and display technology, we are now in a position to utilize a much higher dynamic range in digital imaging than in the past. However, the challenge of traditional infrastructure limitations and the desire for efficient packaging prevent utilization of large bit depths everywhere. This SMPTE Educational Webcast explores how the Electro-Optical Transfer Function (EOTF) really defines an electronic imaging signal and what that means for the use of higher dynamic range content. In addition, the development of a signal definition based on the human visual system model promises to optimize its perceptual efficiency.

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