CHAPTER 3 IMAGE READING/PROCESSING SYSTEM
COPYRIGHT© 2002 CANON INC.
2000
CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002
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4.9 Edge Emphasis
Edge emphasis prevents blurred or crushed outlines of images by enhancing the
changes in density, bringing about well defined images and enabling faithful reproduction
of characters in test mode.
4.10 Editing
The machine offers blanking/masking, negative/positive reversal, and the like as editing
functions.
4.11 Density Conversion (LUT, i.e., look-up table processing)
In this block a data conversion table is used to convert intensity signals into density sig-
nals or to enable the best output density curve for each mode.
4.11.1 Density Adjustment (F-value conversion)
An F-value conversion table best suited to the copy density selected in the control panel
is used to adjust density.
4.11.2 Density Correction (
γ
correction)
In
γ
correction, the contrast and the density of image data are corrected. When an image
is read, the image data is subjected to conversion using a
γ
conversion table.
Содержание iR1600 Series
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