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So "light field" here is a marketing term, right? From the physics and computing side, does anyone know what they are really doing to measure depth fields?
by dzdt 11y ago
So "light field" here is a marketing term, right? From the physics and computing side, does anyone know what they are really doing to measure depth fields?
- teh_klev 11y agoNo, it's actually a camera that really does capture and store "light field" data: https://en.wikipedia.org/wiki/Light-field_camera https://en.wikipedia.org/wiki/Light-field_camera which links to: https://en.wikipedia.org/wiki/Light_field https://en.wikipedia.org/wiki/Light_field
- penguat 11y agoI believe it is an array of sensors operating at different focal points, presumably with depth-of-field set such that it will overlap slightly. From that data, you can indeed construct something that looks a lot like an actual light field. The big limitations are probably on photons coming in at one end, and data going out at the other end - in the middle, I'd believe it does something so close to what it claims that you won't notice the difference.