Using a virtual camera to avoid moiré patterns in pictures of screens
Photographing a computer screen produces inevitable moiré patterns – visual artifacts of camera sensor/display interference.
A remedy for this is to use what amounts to a specialized virtual camera – essentially an interactive 3D scene capable of imitating the desired properties of photography while eliminating distortions like moiré.
An example...
With a real camera:
With virtual camera (using the online tool: Screenstab):
Until next time.
– Mikael Åsbjørnsson-Stensland