Epson scanner 610 Manuel D’Utilisation
Glossary
Page 60
pixel
Short for picture element. Every image is composed of a number of
pixels. Pixels are also counted in units of dots.
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).
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.
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.
image are represented as either black or white.