by damned truths

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I'm reading through a book on color correction, and the RGB waveform display seems like a great approach to fixing up the coloring not just in video, but on still images as well. However, I see photo-editing software such as Photoshop and Gimp do not have these. You have to use Apple Color, Adobe Premiere, and other video-focused applications if you want to use this features. Why not it should be applied for still images too?

(from Scott Danzig via Quora)

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I'm a little concerned that you haven't actually asked your own question, that all your questions are taken from another site and asked by other people. Please cite appropriately if you're going to do that, it is only courteous. –  John Cavan Jul 15 '13 at 0:01
Addressing the current close vote for being unclear what is being asked. For those familiar with the subject, this question is incredibly clear. The asker wants to know why particular color techniques that are used in video are not also used for photos. –  AJ Henderson Sep 24 '13 at 14:04

1 Answer 1

RGB parade is used in a different form with certain types of RGB histograms (they are overlayed). A parade is less useful for telling the differences between colors but easier to quickly tell them apart. This is most critical with video because it is a constantly changing image.

Vectorscopes are a similar thing, they are used for determining if you have proper broadcast color and analyzing color balance. Since photos aren't used for broadcast, a vectorscope has less meaning and again, you are mostly looking at changes over time. Since photos are still images, they are less useful.

You still could use one if you wanted to in theory if it was what you are more comfortable with, but in general, the information is less useful than the tools designed to work with still images.

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