Today’s Spotlight uses a photo‑illustration by Christine Daniloff/MIT.
Computational photography is the use of clever light‑gathering tricks and sophisticated algorithms to extract more information from the visual environment than traditional cameras can.
The first commercial application of computational photography is the so‑called light‑field camera, which can measure not only the intensity of incoming light but also its angle. That information can be used to produce multiperspective 3‑D images, or to refocus a shot even after it’s been captured.
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