Note how values are looked up in the lightfield starting with plane intersections and how they use interpolation of the nearest samples to resample the radiance ... field as a 2D array of ...

A sample-based camera is a collection of BSP trees of pinhole cameras that jointly approximate the projection function. It is constructed from the reflected rays defined by the desired view and the ...

No problem! I’ll bet you have a cardboard box. That and a few common supplies will let you build a pinhole camera/viewer that you can use to see an eclipse or the Sun. Just follow the steps in ...

Thankfully, there are several ways to watch an eclipse without risking your vision, and one of them is building a pinhole camera out of a box, a piece of aluminum foil, and lots of tape.

People wanting to experience the solar eclipse on April 8 in a creative and safe way can do so by creating a pinhole camera. Jeroen Stil, associate professor of astronomy at the University of ...

A pinhole camera is a simple, safe and free solution that will allow you to watch a solar eclipse — and all you need are a few basic household supplies If you wish to see the total solar eclipse ...