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Embedded Media Markers: Marks on Paper that Signify Associated Media

Embedded Media Markers, or simply EMMs, are nearly transparent iconic marks printed on paper documents that signify the existence of media associated with that part of the document. EMMs also guide users' camera operations for media retrieval. Users take a picture of an EMM-signified document patch using a cell phone, and the media associated with the EMM-signified document location is displayed on the phone. Unlike bar codes, EMMs are nearly transparent and thus do not interfere with the document appearance. Retrieval of media associated with an EMM is based on image local features of the captured EMM-signified document patch. This paper describes a technique for semi-automatically placing an EMM at a location in a document, in such a way that it encompasses sufficient identification features with minimal disturbance to the original document.

Qiong Liu FX Palo Alto Laboratory
Chunyuan Liao FX Palo Alto Laboratory
Lynn Wilcox FX Palo Alto Laboratory
Anthony Dunnigan FX Palo Alto Laboratory
Bee Liew FX Palo Alto Laboratory

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