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      SteeringWheel: A Locality-Preserving Magnification Interface for Low Vision Web Browsing

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          Abstract

          Low-vision users struggle to browse the web with screen magnifiers. Firstly, magnifiers occlude significant portions of the webpage, thereby making it cumbersome to get the webpage overview and quickly locate the desired content. Further, magnification causes loss of spatial locality and visual cues that commonly define semantic relationships in the page; reconstructing semantic relationships exclusively from narrow views dramatically increases the cognitive burden on the users. Secondly, low-vision users have widely varying needs requiring a range of interface customizations for different page sections; dynamic customization in extant magnifiers is disruptive to users’ browsing. We present SteeringWheel, a magnification interface that leverages content semantics to preserve local context. In combination with a physical dial, supporting simple rotate and press gestures, users can quickly navigate different webpage sections, easily locate desired content, get a quick overview, and seamlessly customize the interface. A user study with 15 low-vision participants showed that their web-browsing efficiency improved by at least 20 percent with SteeringWheel compared to extant screen magnifiers.

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          Author and article information

          Journal
          101620299
          41882
          Proc SIGCHI Conf Hum Factor Comput Syst
          Proceedings of the SIGCHI conference on human factors in computing systems. CHI Conference
          28 June 2018
          April 2018
          03 July 2018
          : 2018
          Affiliations
          [1 ]Department of Computer Science, Stony Brook University, NY, USA
          [2 ]Department of Computer Science, University of North Carolina at Chapel Hill, NC, USA
          Article
          PMC6029856 PMC6029856 6029856 nihpa978232
          10.1145/3173574.3173594
          6029856
          29978857

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