A Single-Shot Light Probe (bibtex)
by Paul Graham, Jay Busch, Mark Bolas, Paul Debevec
Abstract:
We demonstrate a novel light probe which can estimate the full dynamic range of a scene with multiple bright light sources. It places diffuse strips between mirrored spherical quadrants, effectively co-locating diffuse and mirrored probes to record the full dynamic range of illumination in a single exposure. From this image, we estimate the intensity of multiple saturated light sources by solving a linear system.
Reference:
A Single-Shot Light Probe (Paul Graham, Jay Busch, Mark Bolas, Paul Debevec), In International Conference and Exhibition on Computer Graphics and Interactive Techniques (SIGGRAPH), 2012.
Bibtex Entry:
@inproceedings{graham_single-shot_2012,
	address = {Los Angeles, CA},
	title = {A {Single}-{Shot} {Light} {Probe}},
	url = {http://ict.usc.edu/pubs/A%20Single-Shot%20Light%20Probe.pdf},
	abstract = {We demonstrate a novel light probe which can estimate the full dynamic range of a scene with multiple bright light sources. It places diffuse strips between mirrored spherical quadrants, effectively co-locating diffuse and mirrored probes to record the full dynamic range of illumination in a single exposure. From this image, we estimate the intensity of multiple saturated light sources by solving a linear system.},
	booktitle = {International {Conference} and {Exhibition} on {Computer} {Graphics} and {Interactive} {Techniques} ({SIGGRAPH})},
	author = {Graham, Paul and Busch, Jay and Bolas, Mark and Debevec, Paul},
	month = aug,
	year = {2012},
	keywords = {Graphics, MxR}
}
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