Epson 1200S Guide de l'utilisateur télécharger pdf (Page 98)

Glossary Page 98

monochrome Black and white images, or images represented only by the intensity of

luminosity.

pixel Short for picture element. Every image is composed of a number of

pixels. Pixels are also counted in units of dots.

resolution Indication of how finely an image is resolved into pixels. Measured in dots

per inch (dpi), pixels per inch (ppi), or samples per inch (spi).

scan An operation performed by the sensor and the carriage of a scanner. The

sensor “reads” the colors in an image, and sends the color information to

the computer as digital data.

Threshold An EPSON TWAIN option that sets the point at which gray values in an

image are represented as either black or white.

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Epson 1200S Guide de l'utilisateur Page 98