Nikon Scanners Software Reference Manual page 201

registration
resolution
reversal films
screen
shading compensation
slice level
slide mount
Software Reference for Scanners
Glossary of Computer Imaging Terms
"index of refraction". Certain materials having a higher density, will
bend light more than others. Different types of glass can possess larg-
er or smaller indices of refraction.
the accurate placement or line-up of discrete image elements, in
superimposition such as in multiple pass scanning or four-color print-
ing plate registration. This term is also used to refer to the download-
ing of commands to the LS-3510AF memory.
the fine-line definition or resolving power of an imaging system. A
measure of optical performance. Also refers to the number of dots or
pixels used to define an image. The more dots per unit of measure,
the higher the resolution.
film emulsions that have been designed to be exposed and developed
as a negative,and then reversed by chemical or light-induced fogging,
to produce a positive image from the unprocessed portions of the
negative. The negative image is then bleached away, leaving a positive
silver layer for black and white, or three silver layers with color cou-
plers for a color image. For color, the silver is bleached away, leaving
the color couplers which are then developed out to become color
dyes.
a lattice of lines used to create mechanical halftones in the photo-
graphic process. These halftones are mostly generated digitally these
days.
the CCD element normalization process in the scanner which com-
pensates for different CCD element sensitivities to light in a linear
array.
the threshold which is used to set a pixel either white or black, when
converting from continuous tone or grayscale shaded originals.
a paper or plastic frame used to hold film for projection or viewing
purposes.
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