Improved halftoning method for autostereoscopic display based on float grid-division multiplexing.
2016
Autostereoscopic printing is one of the most common ways for
three-dimensional display, because it can present finer results by
printing higher dots per inches (DPI). However, there are some problems
for current methods. First, errors caused by dislocation between integer
grids and non-customized lenticular lens result in severe vision quality.
Second, the view-number and gray-level cannot be set arbitrarily. In this
paper, an improved halftoning method for autostereoscopic printing based
on float grid-division multiplexing (fGDM) is proposed. FGDM effectively
addresses above two problems. GPU based program of fGDM is enabled to
achieve the result very fast. Films with lenticular lens array are
implemented in experiments to verify the effectiveness of proposed method
which provides an improved three-dimensional performance, compared with
the AM screening and random screening.
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