The Moire effect is the result of spatial undersampling an image, and the Moire pattern is the aliasing. This is the reason that Canon and many other camera manufacturers put an optical blurring filter in front of the image sensor. The blurring filter is a spatial lowpass filter to prevent the aliasing of spatial frequencies above the sampling frequency / 2.
Sampling is fundamentally a nonlinear process and thus the beat can occur. That it can show up visually in the eye testifies to the sampling within the eye. On Thu, Oct 15, 2020 at 6:28 AM H LV <hveeder...@gmail.com> wrote: > > Moire patterns are like beats without waves. > > Moiré Kit > 1.https://www.youtube.com/watch?v=4nn1MqCMa1M > > 2. Moire pattern effect > https://www.youtube.com/watch?v=QZYpEMp87Xo > > 3. What Are Moire Patterns? (Mr. Wizard) > https://www.youtube.com/watch?v=W8Jf9SVsT38 > > 4. Freaky Dot Patterns - Numberphile > https://www.youtube.com/watch?v=QAja2jp1VjE > > Harry > > > >
