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a visual artifact that occurs in digital photography when a fine, repetitive pattern in the subject, such as a fabric or a grill, interacts with the camera's sensor and produces an unintended, wavy pattern in the final image
What is a "moiré pattern"?
A moiré pattern is an unwanted visual effect that appears as wavy or swirling lines in an image. It occurs when two patterns or grids, such as those from a camera sensor and a fabric with a regular pattern, overlap and interfere with each other. This interference creates a new pattern that is not present in the original scene. Moiré patterns are often seen in digital images when photographing detailed textures or patterns, and they can be distracting or distort the clarity of the image.
