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Requirements

Book Reading Interface: Image Processing Issues J.Chetan, V.Sreekanth, Rakesh Babu Vamshi Ambati and C.V.Jawahar International Institute of Information Technology Hyderabad, India Requirements Usability Navigate through pages Easy and simple to use Pleasant to read images Accessibility

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Requirements

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  1. Book Reading Interface: Image Processing IssuesJ.Chetan, V.Sreekanth, Rakesh Babu Vamshi Ambati and C.V.JawaharInternational Institute of Information Technology Hyderabad, India IIIT Hyderabad - http://dli.iiit.ac.in/

  2. Requirements • Usability • Navigate through pages • Easy and simple to use • Pleasant to read images • Accessibility • Serving low band-width users • Resource aware IIIT Hyderabad - http://dli.iiit.ac.in/

  3. Images in Universal Digital Library IIIT Hyderabad - http://dli.iiit.ac.in/

  4. Image format in ULIB • PROS • Archival quality images • Good to reproduce in print • CONS • Huge size demands greater bandwidth • Requires third party apps to display online • But…. • TIFF is not the only format to display images • User does not need high resolution images all the time • User may not need to see original scanned sizes of the images all the time (Good enough vs Perfect images) IIIT Hyderabad - http://dli.iiit.ac.in/

  5. PNG v.s TIFF IIIT Hyderabad - http://dli.iiit.ac.in/

  6. What are the possibilities? • Store various formats of images at various resolutions (pre-compute) • All possible resolutions/sizes may be difficult to calculate ahead of time • Requires more space • Perform on the fly conversion to other formats and resolutions • We follow this approach IIIT Hyderabad - http://dli.iiit.ac.in/

  7. Book reading interface • Image server • TIFF Plug-in • Book Reading Interface • Real experience of reading book • Display thumbnail display for quick browsing • Printing and viewing the high resolution TIFF images IIIT Hyderabad - http://dli.iiit.ac.in/

  8. Statistics from Open source Image Processing Libraries IIIT Hyderabad - http://dli.iiit.ac.in/

  9. Image Server • On fly conversion of formats (PNG, JPEG, etc…) • Thumbnails • Resizing • Smoothing • Configurable • Advantages: • Takes care of Low band width people • Other Applications (WAP) • Open Source IIIT Hyderabad - http://dli.iiit.ac.in/

  10. Smoothing IIIT Hyderabad - http://dli.iiit.ac.in/

  11. Anti-aliasing (future work) IIIT Hyderabad - http://dli.iiit.ac.in/

  12. Architecture IIIT Hyderabad - http://dli.iiit.ac.in/

  13. Statistics IIIT Hyderabad - http://dli.iiit.ac.in/

  14. Screen shot of book reader IIIT Hyderabad - http://dli.iiit.ac.in/

  15. Screen shot of plug-in IIIT Hyderabad - http://dli.iiit.ac.in/

  16. Thank you http://dli.iiit.ac.in/ IIIT Hyderabad - http://dli.iiit.ac.in/

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