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Simplest Visual Organs - MIT Media Lab

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Computing 4D Light Field<br />

2D Sensor Photo, 1800*1800<br />

2D Fourier Transform<br />

2D<br />

FFT<br />

9*9=81 spectral copies<br />

4D IFFT<br />

Rearrange 2D tiles into 4D planes<br />

200*200*9*9<br />

4D Light Field<br />

200*200*9*9<br />

Only cone in<br />

focus<br />

Captured Photo<br />

Digital Refocusing<br />

34

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