[Bf-vfx] HDRI (paper on capture techniques and more)

[François T.]

about using HDRI, I would believe that SH would be very fast with the new
compositor tile or as shader in Cycle.
http://www.francois-tarlier.com/blog/2-5d-relighting-in-compositing-with-blender-using-spherical-harmonics/


2012/4/22 Dalai Felinto <dfelinto at gmail.com>

> Hi there,
>
> I ran into this paper which gives a very complete overview of different
> techniques for environmental lighting capturing, comparisons, ... for
> example it compares to use of mirror balls, fisheye stitched images or
> professional all-in-one equipments.
>
> http://www.hdrlabs.com/tutorials/downloads_files/HDRI%20for%20CGI.pdf
>
> I thought that could be of use for Mango team.
>
>
> * note: I'm exploring recently building spherical panoramas for lighting
> AND for background plate. That is a bit different from Mango that needs IBL
> (Image Based Lighting) but not necessarily the background part of it. This
> paper may still inspire some ideas though.
>
> * note2: a recent capture we took here with 6 (side with zenith) + 4
> photos (nadir) . We are quite happy with the LDR (and it's damned fast as a
> workflow), but the HDR is yet to be mastered (and Hugin is not working well
> for this):
>
> http://dalaifelinto.com/ftp/impa/ldr_25.jpg (2K)
> http://dalaifelinto.com/ftp/impa/ldr_100.jpg (8K)
>
> Cheers,
> Dalai
>
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-- 
____________________
François Tarlier
www.francois-tarlier.com
www.linkedin.com/in/francoistarlier
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