You are now properly subscribed to the mailing list. If you send me all your exposures in a private e-mail, I will have a look at them. Do not "reply", but open a new message to my gmail address.
You can exclude extra exposures that are not useful, but they should not cause problems if you don't. I can tell you more if I can see your JPEG files. Best, -Greg > From: Clarence Wang <[email protected]> > Date: October 29, 2018 7:32:16 PM PDT > > Hi Greg, > > I've subscribed the HDRI mailing list and the request seemed to be approved. > > For the questions mentioned before, I got failure to derive the camera > response function when running a whole set of images (1-13) in Photosphere. > Thus, I just selected 9 images in sequence (1-9) for rendering HDR image. > > However, it was confusing that I still failed to derive the camera response > function using the other sequence of images (3-11) which was successfully run > using 'hdrgen' tool and was to generate a new camera response function (the > second-order polynomial). Since you mentioned "even the same set of images > given twice won't necessarily yield the same coefficients, although they > should be close", which function or rendered HDR image is reliable? Or, can > we trust the HDR image rendered with different polynomials but well agree > with each other (almost overlap)? > > Also, If both Photosphere and hdrgen tool cannot solve response function and > fail to render a HDR image using a sequence of 15 exposed images, is it > reasonable to select less number of images (say, 6, 9, 10, 11) to yield the > HDR image and relevant camera response function using Photosphere or hdrgen > tool ? > > Thanks, > > Clarence > _______________________________________________ > HDRI mailing list > [email protected] > https://www.radiance-online.org/mailman/listinfo/hdri
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