From the course: HDR Photography: Shooting and Processing

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Ghosting and Photoshop

Ghosting and Photoshop

From the course: HDR Photography: Shooting and Processing

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Ghosting and Photoshop

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If you are shooting at bracketed set of HDR source images and something in your scene moves between shots, you can end up with a ghosting problem. This is actually a pretty intuitive thing. Let's take a look at this set. I am going to switch over here to Filmstrip mode so we get a bigger view. While taking their shot, these kids moved and so if I take these three images and mush them together, we get a problem because in this image there is an arm here, and in this image there is not. So what should it choose to do with these things? Of course, it doesn't know from arms, and so what it will end up doing is putting half arm and half lovely hillside, and I will get this kind of semi-transparent arm over this hill. That's called ghosting because you end up with these kinds of ghostly figures in your scenes. Fortunately, most HDR processing software today has a ghost removing mechanism of some kind. We are going to look at Photoshop so I am going to just launch right into a merge here…

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