Footage
Marcie
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Good ol' Marcie. Can't live without her
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Tile Sets
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Foundry Roof Top A full 360 tile set (38 tiles) shot on the Foundry's roof top in London
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frank rueter |
Lens Kernels
These are used by Bob Roesler's LensKernelFFT gizmo
The idea here was to make some extremely high dynamic range images, with a still camera, in a dark environment, of a backlit pinhole. The resulting image(s) would thereby record the "signature" of how light is scattered within the optical system. By using the resulting image as a convolution kernel, a real optical quality could be applied to cg imagery.
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35mmf14_normalized
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Canon 35mm lens at f1.4
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Bob Roesler |
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35mmf28_normalized |
Canon 35mm lens at f2.8 |
Bob Roesler |
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35mmf56_normalized |
Canon 35mm lens at f5.6 |
Bob Roesler |
If you open these in Nuke, you'll notice several bright pixels in the center of a very dark frame. However, if you raise the brightness of the image, you'll see that the "black" areas of the image actually have non-zero values, and as you bring the brightness up considerably, the values extend into a fairly large area of the frame. What this means, in terms of using the images as convolution kernels, is that a tiny amount of the input pixel's energy is dispersed around a rather large portion of the frame. Under the circumstances of normal image values, the result is a slight softening of the image. However, in the case of very bright specular reflections, the apparent "spread" is larger; and as the input pixel values become greater and greater, the spread does, as well.
Grain/Noise Samples
PRMan Image
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description |
courtesy of |
| AOF render |
teapot with normals and position pass as well as default meta data from prman |
Michael Garrett |
Latlong images
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Dusk sky A |
8k sky latlong (hemisphere)  |
Philippe Llerena |
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Dusk sky B |
8k sky latlong (hemisphere) |
Philippe Llerena |