| | Definition: | | A form of image distortion caused by sampling frequencies being too low to faithfully reproduce image detail. (See Anti-aliasing.) Examples include:
- Temporal aliasing - e.g., rotating wagon wheel spokes apparently reversing direction
- Raster scan aliasing - e.g., twinkling or strobing effects on sharp horizontal lines
- Stair-stepping - Stepped or jagged edges of angled lines, e.g., at the slanted edges of letters. |
Video Dictionary