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It is the same for TIFF files and for RAW files. and 2., all one needs is banal color management. To display an image correctly, be it RAW, TIFF, JPEG, or PNG, we always take Gamma into account, otherwise the image looks either under- or over-exposed, with wrong contrast.
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This is not really a difference because any popular image format can be coded with any Gamma value. RAW images are linear, that is they have γ=1.0 and thus look dark (underexposed) and flat if the correct Gamma γ=1.0 is not assigned to data. In fact it is a mismatched Gamma (γ) issue. This color space is derived from sensor characterization, pretty much the same way we do it with scanners. As usual, all we need to do is assign adequate "color space" to the data. To display an image correctly we need to convert it from the associated "color space" to monitor color space, otherwise the color looks off and may even look funny.Ī RAW image is recorded in the sensor's "color space." So nothing is really new here. What is said to set RAW data apart from traditional images:Įvery image has a "color space" implicitly or explicitly associated with it, and it needs to be respected. In fact, RAW is an image, but in a less familiar format. This particular misconception is extremely convenient and is often used as an excuse by those trying to explain why it is only natural that most image viewers display embedded JPEG instead of RAW, JPEG-based histogram instead of RAW histogram, and over- and underexposure overlays derived from JPEG previews instead of calculating over- and underexposure indication based on RAW data. Yes, how often do we hear this myth: RAW is not an image. This, from the FastRawViewer website is worth a read.ĭispelling a Myth: Viewing RAW is Impossible