Documenting the pen-based interaction

  • Authors:
  • Maria da Graça Pimentel;Cassio Prazeres;Helder Ribas;Daniel Lobato;Cesar Teixeira

  • Affiliations:
  • Universidade de Sao Paulo;Universidade de Sao Paulo;Universidade de Sao Paulo;Universidade de Sao Paulo;Universidade Federal de Sao Carlos

  • Venue:
  • WebMedia '05 Proceedings of the 11th Brazilian Symposium on Multimedia and the web
  • Year:
  • 2005

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Abstract

Pen-based interaction allows users to register information using a variety of devices such as PDAs, Tablet PCs or electronic whiteboards. As a result, users have the opportunity to review the information by means of a document that represents the final, static, result. Alternatively, users may be able to play back the digital ink using, for instance, the same application used for capture.However, considering the context in which pen-based ink is usually used -- e.g. meetings or lectures -- there is an important opportunity for a user to review intermediary views of the pen-based interaction. For instance, it may be relevant for a student to produce a printable version of a particular diagram presented by an instructor so that the several steps used in the construction of the diagram are made explicit. Similarly, it may be imperative for the instructor to be able to identify the steps taken by a student while making notes during a laboratory session, for example.We have defined operations that model the user-interaction during digital ink capture and implemented the operations in an Web-based application that allows reviewing documents created automatically as a result of the user-interaction with electronic whiteboards or Tablets PCs. The operations may be exploited in many situations were it is important to have a detailed and customized report of user's writing activity.