DIYBookScanner

Hive13 Project
Book Scanner
Status: Active
Start Date: 12/4/2012

Hive13 Equipment
List of All Documented Equipment
Owner/Loaner: DaveMenninger
Hive13 Asset Tag: None
Make/Model: http://diybookscanner.org (google)
Arrival Date: 12/04/2012
Does it work?: not yet
Certification Needed?: yes
Contact: DaveMenninger
Floorplan: 3D

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Current Status

Scanner is ***functional***.

• The Book Scanner parts are painted and assembled.
• cameras are mounted
  • chdk firware is loaded
• usb trigger is wired
• dc power for cameras is wired

Next steps

• clean up all wiring
  • tidy atx psu wiring - possibly mount in a box or a panel
  • re-wire usb trigger, removing breadboard
• permanently affix handle and trigger
• find location for bookscanner to reside
• acquire larger SD cards
• disable flash on both cameras
• label SD cards

Longer Range Goals

• Automatable cameras using gphoto2?
• Auto-trigger
• Auto-page-turn

Operation

Scan

• Power on lights, cameras.
• Place book in cradle.
• Lower handle, raising the book to the platen.
• Press trigger once to focus, again to snap photos.
• Lower book.
• Turn page.
• Repeat.

Process images

• Take SD cards from cameras.
• Put images from even pages ( right-hand camera ) into a dir called EvenPages
• Put images from odd pages ( left-hand camera ) into a dir called OddPages
• Interleave/rename files using this script or one like it: https://gist.github.com/davemenninger/6022947
• Use ScanTailor to clean up images ( http://scantailor.sourceforge.net/ or sudo apt-get install scantailor )
• OCR files with this script or another tool of your choice: https://gist.github.com/davemenninger/6022994