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New Analysis Yields Improvements in Classic 3D Imaging Technique
Date:5/9/2013

a number of image quality limitations. When the 3D image is viewed through the colored glasses, there is often a significant amount of crosstalk (or ghosting), an undesirable property of some 3D techniques whereby the left eye sees some of the image intended for only the right eye, and vice-versa. Crosstalk is usually visible as ghost-like shadows throughout the image. If crosstalk levels are too high, the quality of the 3D experience can be significantly reduced.

“The printed anaglyph is 121 years old, but this appears to be the first time that a detailed technical simulation of crosstalk in printed anaglyphs has been developed,” Woods said. “We started by measuring the spectral characteristics of various printing inks, 3D glasses, light sources, and papers. From there we developed a simulation which models the viewing of an anaglyph 3D image, and subsequently performed an experiment to validate the accuracy of the model. We hope this work will help provide a 21st-century improvement to the 19th-century invention.”

In addition to changing the cyan ink, recommendations include using high-quality anaglyph glasses, an optimized light source, and improved image processing algorithms.

The full paper is available via open access in the SPIE Digital Library: “Characterizing and reducing crosstalk in printed anaglyph stereoscopic 3D images.”

The work was originally presented in the Stereoscopic Displays and Applications conference during the 2013 IS&T/SPIE Electronic Imaging symposium in Burlingame, California, USA. The call for papers has been released for

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