OK, I found the culprit .... The image is a Fujifilm RAF (nothing
extraordinary and not a jpg) but the history included a couple of
modules that were turned 'off' including the tone-curve. When I flushed
the tone-curve from the list and compressed the history stack the
strange histogram went away. Unusual!
David
On 2019-05-19 10:34 a.m., Remco Viëtor wrote:
On dimanche 19 mai 2019 19:00:13 CEST David Vincent-Jones wrote:
I am getting some strange histograms with some images. Can somebody
explain what this is indicating? It has only recently been seen, not
sure if it a software or hardware problem. See attachment.
A bit more information would have been nice (e.g. format of input image, any
editing done, etc.), but my first guess would be a jpeg with a white balance
correction (or colour correction), mainly on the green channel.
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