Shadowy Daisy

Shadowy Daisy
by damned-truths

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2
votes
1answer
38 views

Does an image have an explicit gamma level?

Does an image in a, say, TIFF file have an explicit gamma or is it a latent characteristic of the image data ? or to put it another way: can I tell what gamma correction has been applied to an image ...
0
votes
1answer
73 views

Why gamma curve is applied in cameras?

I am tuning ISP(image signal processing) of one chip used in cameras. Gamma curve is used in the pipeline. I don't understand the reason. The CCM(Color correction matrix) will map images to sRGB color ...
1
vote
1answer
58 views

Is BT1886 only for video editing

Regarding the gamma specification called BT.1886, this could be taken into consideration only in video editing or can be used in still image editing as well, are there some limitations? I've found an ...
3
votes
3answers
346 views

When should I use my display's native gamma over the standard 2.2?

When it comes to color management and calibration, reading in official/unofficial sources, there are different oppinions telling that the native display gamma value can be left "as is" = "native" (2....
11
votes
8answers
3k views

What is the purpose of gamma correction in today's screens and how does it relate to graphics and photography?

I am getting quite confused with the purpose of gamma correction and the relationship between gamma corrected and uncorrected images in terms of graphics and photography as well as color management in ...
1
vote
4answers
767 views

What is the standard gamma value?

Following the instruction given in this question, I calibrated my monitor meticulously so that it adopts the standard gamma correction across all platforms, e.g. Internet, Photography, etc. Now what ...
5
votes
1answer
310 views

Can Canon Log Gamma be useful for photography?

The newest Canon cameras have a feature called Canon Log Gamma. I specifically became interested in its usefulness for still photography when I read that it captures: 12 stops of dynamic range, ...
4
votes
4answers
1k views

Query about gamma correction?

I have a bespoke Image Capture & processing flow, wherein I do the following operations:- Capture Raw data-->De-Bayer(Get RGB)-->Color Balance-->RGB-to-YCbCr-->Image sharpening-->Denoise ...
5
votes
3answers
522 views

Is this article correct about gamma error in picture scaling in common software?

That is kind of a "please proof-read an articles conclusion"-question. Some time ago I found this page: Gamma error in picture scaling. I grasp the point, that the luminosity-curve is not linear and ...