byteCoderA lens can perform the Fourier transform! 🔍 This is the 4F system: the first lens converts an image ...
Shared by Hans Chiu @chiu_hans on X
A lens can perform the Fourier transform! 🔍 This is the 4F system: the first lens converts an image into its frequency components, and the second lens reconstructs it. By adding an aperture at the Fourier plane, we can filter out high frequencies. #Optics #Physics #b3d https://t.co/PoAEVMj8x1
A lens can perform the Fourier transform! 🔍 This is the 4F system: the first lens converts an image into its frequency components, and the second lens reconstructs it. By adding an aperture at the Fourier plane, we can filter out high frequencies. #Optics #Physics #b3d https://t.co/PoAEVMj8x1