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Although several crosstalk definitions have been proposed to indicate the level of crosstalk in stereoscopic displays, they do not necessarily correlate with perceived crosstalk. Based on two perception experiments, with each a different approach, we studied the correspondence between 10 objective crosstalk equations and perceived crosstalk. The first experiment, in which the crosstalk level was evaluated, demonstrates that crosstalk equations based on Weber's law (ΔL/L) show the highest correlation with perceived crosstalk for the most critical case, that is, a center circle in an outer disc. A second experiment, based on crosstalk visibility thresholds, supported that crosstalk equations based on Weber's law show the highest correspondence with human perception.

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Although numerous potential causes may lead to visual discomfort when viewing content on three‐dimensional (3D) displays, vergence–accommodation conflict is a particular cause of binocular parallax‐based stereoscopic displays, and it is unavoidable. Based on the study of 3D content visual attention, we proposed a novel stereoscopic depth adjustment method to improve the visual comfort and enhance perceived naturalness. The proposed method combined the 3D image saliency and specific viewing condition to establish a novel model for computing the optimum zero‐disparity plane of stereoscopic image. The results of perception experiments, focused on visual comfort and stereoscopic sensation, supported that the proposed method can significantly enhance stereoscopic viewing comfort and even can improve the stereoscopic sensation by insuring the 3D image fusion.

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