Unsharp Masking (USM) - The sharpening of an image by creating contrast at contrasting edges of the element.

Density - The degree of opacity of a photographic film.

Digital - Information or data that exists as numerical values (1 or 0) based on a binary coding system.

Retouching - Removing imperfections or unwanted portions of an image.

Point & Shoot cameras - With these cameras you are looking through a separate window (viewfinder) instead of through the lens. These cameras are less expensive, smaller and easier to carry. The disadvantages are under-powered flash, increased red-eye problems and limited flexibility to add other lenses, flashes, etc.

Capture - Acquiring information, such as an image, with a scanner or digital camera device.

Color Correction - The process of adjusting an image to compensate for scanner deficiencies or output device characteristics.

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