## Video Electro-Optical Transfer Functions

### Introduction

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### Encoding verses decoding & Viewing conditions

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### Log-Log plots

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perceptual errors - DE2000 1 DE lines plotted on a log-log graph

### "Pure Gamma" curves

They don't exist, unless your display has a perfect, zero black. But even if it does have a perfect black, the black as seen by your eye won't be perfect unless you are in a pitch black room and the display is all black, because any stray light in the room or from other non-black elements on the display will dilute the perfect black due to glare.
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### Output Offset Black

### Input Offset Black

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BT.1886
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