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row were rendered by direct integration of Equation (5.9) and are provided for
comparison.
It can certainly be said that the light field photography work of Ng et al. and
Ng's Fourier slice photography paper opened the door to a new range of appli-
cations for light fields, and reinvigorated research in the area. In fact, these pa-
pers were published about the time that the new research field of computational
photography began to get off the ground. The original image-based technolo-
gies had the goal of recovering the look of the real-world from photographs ac-
quired by conventional cameras. Computational photography is concerned with
the development of new devices to capture and record photographic data in a
manner best suited to the particular purpose. Ng's two papers greatly inspired re-
search in this area. Various practical methods that attempt to extend the possibility
of in-camera light fields have emerged in computational photography [Georgeiv
et al. 06] [Veeraraghavan et al. 07] [Raskar et al. 08] [Liang et al. 08] [Lanman
et al. 08] [Hirsch et al. 09]. It could be said that the emergence of computational
photography ushered the light field into a new practical era.
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