Sorry, I didn't understand your point about compression. As I'm editing
an image and see holes and spikes appear in the histogram there is no
JPEG image compression involved. What did you mean that I missed?
Chuck Norcutt
tOM Trottier wrote:
> On Friday, July 14, 2006 at 11:45,
> Chuck Norcutt <olympus@xxxxxxxxxx> wrote:
>
>
>>Sorry, not enough coffee yet I guess. But the point is that rounding
>>will eventually cause some points that were previously distinct
>>brightness levels to coalesce.
>
>
> When compressed. But that is not a visual problem.
>
> When expanded, the distinct levels have a greater distance between them, ie,
> posterisation. That
> usually is a visual problem
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