Towards adapting current 3DTV for an improved 3D experience
2012
Recent upgrades of HDTV into 3DTV resulted in impairments in displaying stereo contents. One of the most critical
flaws is probably crosstalk and the resultant ghosting effect impairing the 3D experience. The purpose of this study is to
identify the primary source of crosstalk, throughout the full image generation and viewing chain, for a selection of 3D
displays: Liquid Crystal Display (LCD) and Plasma Display Panel (PDP) combined with different active glasses
technologies. Time measurements have been carried out on various display panels and shutter glasses technologies. For
each technology, the crosstalk is a complex combination of several factors depending on display panels, shutter glasses
and their synchronization, and ghost busting. The study tried to discriminate the main sources of crosstalk in each case,
and to simulate the effect of various display panels or shutter glasses performance optimizations. Analysis and
conclusions vary depending on the display technology. For LCD, light leakage at the panel level appears the first cause
of crosstalk, and, in a second step, optimization of the shutter glasses. For PDP the use of more adapted shutter glasses
can mitigate color distortion effects.
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