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For anyone who see’s this and wants to learn from my experience, the reason PTGui doesn’t recognize the bracketed images is because the last 3 bracketed images done with free hand have different ISO and Exposure, so you can do this and it will work, quoted from PTGui FAQ.
7.5. So I forgot to switch my camera to M mode; my bracketed images are taken in auto exposure mode. Can I still stitch them to HDR in PTGui Pro?
You can trick PTGui into recognizing your images as bracketed exposures by modifying the exposure data in the Image Parameters tab. If you took sets of 3 bracketed exposures, copy the exposure times of the first three images into the remaining images. The result should be a repeating sequence, e.g. 1/25, 1/100, 1/400, 1/25, 1/100, 1/400, and so on. Switch PTGui Pro to Advanced mode to make the Image Parameters tab visible.
However, the result will not be perfect. The automatic exposure has caused brightness differences between neighbouring images. The blender is able to make gradual adjustments, but it does not actually correct the exposure differences. Therefore we recommend to go back and take the bracketed images in manual exposure mode.
As an alternative workaround you could take the images from only one bracket (e.g. only the 0EV images) and stitch those into a non-HDR panorama. For non-bracketed source images PTGui Pro can compensate for automatic exposure: in the HDR/Exposure tab enable the Exposure Compensation checkbox. Additionally PTGui Pro can apply tone mapping even to non-bracketed source images: enable the ‘Tone map stitched panorama’ checkbox in the HDR/Exposure tab.
So after doing what you said, PTGui doesn’t recognize by bracketed images and can’t enable hdr combining, I’m screwed now, it a very long over night session with decorations, so any solutions ?
Hi, if by blurry you mean motion blur caused my camera vibrating when in your hand, increase ISO for your nadir shot. Higher ISO may cause some noise but it is usually less important on the bottom part of the image.
I’ll give that a try, thanks man.
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