| Paper: | TP-P1.8 |
| Session: | Interpolation and Superresolution II |
| Time: | Tuesday, September 18, 14:30 - 17:10 |
| Presentation: |
Poster
|
| Title: |
CONDITIONS FOR COLOR MISREGISTRATION SENSITIVITY IN CLUSTERED-DOT HALFTONES |
| Authors: |
Basak Oztan; University of Rochester | | |
| | Gaurav Sharma; University of Rochester | | |
| | Robert P. Loce; Xerox Corporation | | |
| Abstract: |
Misregistration between the color separations of a printed image, which is often inevitable, can cause objectionable color shifts in average color. We analyze the impact of inter-separation misregistration on clustered-dot halftones using Fourier analysis in a lattice framework. Our analysis provides a complete characterization of the conditions under which the average color is invariant to displacement misregistration. In addition to known conditions on colorant spectra and periodicity of the halftones, the work reveals that invariance can also be obtained when these conditions are violated for suitable dot shapes and displacements. Examples for these conditions are included, as is the consideration of traditional halftone configurations. |
