Abstract
In Fourier optics, the Fourier transformation is performed on the amplitude of the electromagnetic wave, whereas in the computational method the transformation is usually applied to the grayness of its image which is proportional to the intensity of the electromagnetic signal.
| Original language | English |
|---|---|
| Pages (from-to) | 126-129 |
| Number of pages | 4 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 700 |
| DOIs | |
| State | Published - 8 Jan 1987 |
| Externally published | Yes |