17 February 2010 Synchronization mismatch: vernier acuity and perception evaluation for large ultra high resolution tiled displays
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Abstract
We define experiments to measure vernier acuity caused by synchronization mismatch for moving images. The experiments are used to obtain synchronization mismatch acuity threshold as a function of object velocity and as a function of occlusion or gap width. Our main motivation for measuring the synchronization mismatch vernier acuity is its relevance in the application of tiled display systems which create a single contiguous image using individual discrete panels arranged in a matrix with each panel utilizing a distributed synchronization algorithm to display parts of the overall image. We also propose a subjective assessment method for perception evaluation of synchronization mismatch for large ultra high resolution tiled displays. For this we design a synchronization mismatch measurement test video set for various tile configurations for various inter-panel synchronization mismatch values. The proposed method for synchronization mismatch perception can evaluate tiled displays with or without tile bezels. The results from this work can help during design of low cost tiled display systems which utilize distributed synchronization mechanisms for a contiguous or bezeled image display.
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Sachin Deshpande, Sachin Deshpande, Scott Daly, Scott Daly, } "Synchronization mismatch: vernier acuity and perception evaluation for large ultra high resolution tiled displays", Proc. SPIE 7527, Human Vision and Electronic Imaging XV, 75270L (17 February 2010); doi: 10.1117/12.845644; https://doi.org/10.1117/12.845644
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