Dear all,

I've had good success using Greg's HDRgen program on several different cameras however when I try generating an HDR from jpgs taken with my Nikon D50 I get the following error:

phdrimg.cpp@560>data: DSC_3043.JPG: needs exposure calibration
hdrgenmain.cpp@123>data: Failure generating HDR image

DSC_3043.JPG is the first image in the series and, if I exclude it, HDRgen throws the same error on the next, following image.

The command I'm using is:
hdrgen -o test.hdr -r nikon_D50.rsp *.JPG

FWIW I can generate the HDR image in Photosphere

Has anyone stumbled on this and come across a solution?

Thanks and best regards to all,
Chris


Christian Humann ~ Associate
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