Tone Mapping

The term tone mapping refers to the optimization of the dynamic range, in other words, the adjustment of the darkest and brightest areas of a picture. The more precisely this function works, the more accurately a scene can be transferred from a high to a reduced dynamic range.

More Information about Tone Mapping

Tone mapping as an important parameter

The method is used especially for High Dynamic Range content and is essential to reproduce the brightest and darkest areas of a content correct and appealing. The more precisely the feature works, the more accurate a scene can be transferred from a high to a limited dynamic range.

However, if proper tone mapping is missing, the image can appear washed out, unnatural, overexposed or underexposed. Details are lost, affecting the overall quality and thus leading to a poor result.

TV manufacturers such as Panasonic and Sony are known for their high-quality tone mapping implementation and have their own algorithms that can vary in performance and quality. A good calculation method depends on factors such as the TV model, the screen technology and, of course, the individual preferences of the viewer.

Improved representation of colours and brightness valuesInconsistent quality depending on manufacturer and TV model
Maintaining image detail in light and dark areasQuality fluctuations possible for content that requires a different method
Adjusting the dynamic range to the capabilities of the displayLoss of detail or distortion with aggressive tone mapping
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