A correction refers to a change to their article that the author wishes to publish after publication. The publication of this article is subject to Frontiers' editorial approval.• Please read through all the templates before choosing • Pick the most relevant text template(s) from the following page and delete all others. • Edit the text as necessary, ensuring that the original incorrect text is included for the record, please see the below. • Please do not use any extra formatting when editing the templates, and only modify the red text unless absolutely necessary • Submit to Frontiers following the instructions on this page.When the original text contained incorrect information, to preserve the scientific record, please include that text when editing the below templates. For example:There was a mistake in the Funding statement, an incorrect number was used. The correct number is "2015C03Bd051.". The publisher apologizes for this mistake.The original version of this article has been updated.In the published article, there was a mistake in the Funding statement. The funding statement for the Key Development Project of the Department of Science and Technology was displayed as "2015CBd051". The correct statement is "Key Development Project of Department of Science and Technology (2015C03Bd051).''The original version of this article has been updated.There was a mistake in the caption of figure 1 as published. In the published article, Figure 1 included detailed planning drawings that were in the public domain (publicly accessible through the local authority) but were not intended for reproduction. Following a formal request from the stakeholder and to resolve these permission issues, Figure 1 has been replaced with new caption for simplified conceptual illustration. The corrected caption of figure 1 appears below."(a) Dimensions of the screens in the Now Arcade. (b) System setup at the Now Arcade site. The defined analysis area is marked on the ground, representing the spatial region used for viewer behavior tracking and analysis."The original version of this article has been updated.Reminder: Figures, tables, and images will be published under a Creative Commons CC-BY license and permission must be obtained for use of copyrighted material from other sources (including re-published/adapted/modified/partial figures and images from the internet). It is the responsibility of the authors to acquire the licenses, to follow any citation instructions requested by third-party rights holders, and cover any supplementary charges.
Wu et al. (Wed,) studied this question.