On August 1, 2022 7:06:32 AM HST, Maarten Verberne <[email protected]>
wrote:
> Hi,
> i'm just making my first steps and made 2 landscape panorama's from sets of 2
> cam jpgs, one as tiff one as jpg.
>
> and i must say, the tiff has more contrast and looks a bit sharper, but it is
> 15x the file size and since i want to use it for batches it is a bit too much.
> so then i thought maybe i can get a bit more out of the jpg by using high
> dynamic range.
>
> but unfortunately all but
> exposure corrected, low dynamic range
> is alvailable.
>
> if i mark it at the stitcher tab under combined stacks it is again undone
> when i go to the preview and use create panorama.
>
> is it that the jpg are not hdr to start with or am i missing a setting?
JPG isn't HDR to start with. It uses 8-bits per color channel (red, green,
blue). So you can't get HDR out of a JPG. You need to start with an HDR image,
typically your camera's raw image format.
TIFF can use lossless compression (LZW is common) but not necessarily by
default. LZW typically halves the file size vs uncompressed TIFF.
--
David W. Jones
[email protected]
exploring the landscape of god
http://dancingtreefrog.com
Sent from my Android device with F/LOSS K-9 Mail.
--
A list of frequently asked questions is available at:
http://wiki.panotools.org/Hugin_FAQ
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