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Erschienen in:
2001 | OriginalPaper | Buchkapitel
Interaction With Multiply Linked Image Maps: Smooth Extraction of Embedded Text
verfasst von : Wallace Chigona, Prof. Dr. Thomas Strothotte, Stefan Schlechtweg
Erschienen in: Mensch & Computer 2001
Verlag: Vieweg+Teubner Verlag
Enthalten in: Professional Book Archive
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In this paper we introduce a new technique for presenting textual information within images and for enabling users to interact with these texts. Our method relies on shading images using text-based dither matrices; users extract text by effectively enlarging the dither matrices to the point where text becomes legible. Transitions between matrix sizes are carried out step by step and can be implemented at interactive rates so that the process of extracting text is seen as an animation. The technique can be used in electronic books for users wishing to explore images. It also provides the first solution for working smoothly with multiply linked image maps.