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<http://webisa.webdatacommons.org/325466970>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/325466970>	<http://www.w3.org/ns/prov#value>	"To solve the above problems, there is a conventional method of estimating a relative movement of a mobile device using flow of a camera image every hour by utilizing a vision system." .