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DIZI: A Digital Ink Zooming Interface for Document Annotation
 

Summary: DIZI: A Digital Ink Zooming Interface for
Document Annotation
Maneesh Agrawala, Michael Shilman
Microsoft Research
One Microsoft Way
Redmond, WA 98052
{maneesh,shilman}@microsoft.com
http://research.microsoft.com
Abstract. Pen computing devices provide a natural interface for annotating
documents with freeform digital ink. However, digital ink annotations are usu-
ally larger and sloppier than real ink annotations on paper. We present DIZI, a
focus+context interface that zooms up a region of the underlying document for
inking. Users write in the zoomed region at a comfortable size for the device.
When the zoom region is shrunk back to normal page size, the digital ink
shrinks to an appropriate size for the underlying document. The zoom region
covers only a small portion of the screen so that users can always see the overall
context of the underlying document. We describe several techniques for fluidly
moving the zoom region to navigate the document. We show that DIZI allows
users to create digital ink annotations that more closely mimic the look of real
ink annotations on physical paper.

  

Source: Agrawala, Maneesh - Department of Electrical Engineering and Computer Sciences, University of California at Berkeley

 

Collections: Computer Technologies and Information Sciences