slide1 l.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Requirements PowerPoint Presentation
Download Presentation
Requirements

Loading in 2 Seconds...

play fullscreen
1 / 16

Requirements - PowerPoint PPT Presentation


  • 558 Views
  • Uploaded on

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

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Requirements' - albert


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
slide1

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/

requirements
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/

images in universal digital library
Images in Universal Digital Library

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

image format in ulib
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/

png v s tiff
PNG v.s TIFF

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

what are the possibilities
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/

book reading interface
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/

statistics from open source image processing libraries
Statistics from Open source Image Processing Libraries

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

image server
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/

smoothing
Smoothing

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

anti aliasing future work
Anti-aliasing (future work)

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

architecture
Architecture

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

statistics
Statistics

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

screen shot of book reader
Screen shot of book reader

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

screen shot of plug in
Screen shot of plug-in

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

thank you

Thank you

http://dli.iiit.ac.in/

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