Glossary
A
Artifacts By-products of digital processing such as noise and JPEG compression, both of which will degrade image quality.
Aliasing Square pixels can’t describe curved shapes, and when viewed in closeup, they look like a staircase. Antialiasing filters, found between the camera lens and image sensor, lessen the effects of aliasing by reducing contrast, which has to be put back during image processing.
C
CCD Stands for charge-coupled device. It is the light-sensitive “eye” of a scanner and “film” in a digital camera.
Clipping Clipping occurs when image tone close to highlight and shadow is converted to pure white or black during scanning or exposure in camera. Loss of detail occurs.
CMYK Image Mode Stands for cyan, magenta, yellow, ...
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