DIGITAL IMAGE PROCESSING FORUM          REGENSBURG 2. october 2009          Technical workshop                            ...
SCANNING process                            Scanning factors       Printing the image                                     ...
Type of scanners         ?         Flatbed scanner         ? principle         Digital camera         ?         Mehatronic...
SCANNED images    Scanning mode    ?                      Cm              Gm              Bm                     1 bit = 2...
Digital image processing in NUK    Software    Image manipulation: i2s BookRestorer    ?    ? Finer Reader 8    OCR: Abbyy...
Digital workflow in NUK                   JPEG 90     ODM           Scanning            Image manipulation   Book order   ...
Difficulties with colour scanns     Lightning      Shading                                  6
IMAGE MANIPULATION (i2s BookRestorer)   Scanned                                        Tools   pages                      ...
OCR (ABBYY FineReader 8)   Croped                           Text   pages                           Edit   Working   page  ...
Difficulties with ussing ABBYY OCR   Violet shading & Image rotation      Image rotation after OCR      Tonal value change...
Difficulties with ussing ABBYY OCR   Text block deformation  Text block deformation after OCR   Image deformation after OC...
PDF (ISO 15930:2005)PDF (PORTABLE DOCUMENT FORMAT) is a digital format for representing documents, whether they arecreated...
PDF/A (ISO 19005-1:2005)PDF/A is a subset of PDF, obtained by leaving out PDF features not suited for long term archiving....
PDF/A (ISO 19005-1:2005)   Typeface digitisation                           13
Colour theory 1   What is colour?   Device dependent colour models                    RGB             CMYK      Monitor   ...
Colour theory 2   Device independent colour model (CIE 1976 LAB)   ICC Colour management   Original book   Scanner      Mo...
ICC Colour Management   ICC Workflow  ?  MONITOR                    ?                             SCANNER  ?  Equipment   ...
Digitisation SUMMARY   Long - term digital preservation   Colour scanning mode   ?   ?managed workflow   ICC Colour   Use ...
Mobile technology    Mobile phones                     Output format           Readers    Palm    ?                       ...
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Digital image processing / Procesiranje digitalnih slik / 2. 9. 2009

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Presentation of digital image processing at EOD workshop in regensburg, Germany. Presented on 2. 9. 2009 by Alenka Blatnik.

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Digital image processing / Procesiranje digitalnih slik / 2. 9. 2009

  1. 1. DIGITAL IMAGE PROCESSING FORUM REGENSBURG 2. october 2009 Technical workshop Alenka Blatnik (Bsc Graphics Engineering)
  2. 2. SCANNING process Scanning factors Printing the image Type of scanner Components Adjusting the Scanning mode scanned image Scanning resolution 1
  3. 3. Type of scanners ? Flatbed scanner ? principle Digital camera ? Mehatronical device 2
  4. 4. SCANNED images Scanning mode ? Cm Gm Bm 1 bit = 2 colours Bit Depth ? 2 bits = 4 colours 24 bits = 16 million colors ? Color Model RGB CMYK CIE LAB Resolution² × Width × Bits per sample ÷ 8,192 = ? File size File size (in kilobytes) ? File format 3
  5. 5. Digital image processing in NUK Software Image manipulation: i2s BookRestorer ? ? Finer Reader 8 OCR: Abbyy Functions and Tools Deskew ? Lightning ? Eraser tool ? Colour mode ? Contrast ? Crop Tool ? Binarization ? ? correction Geometrical Read tool ? Results Cm Gm Bmahjhdenkja Bmahjhdenkja yicslfclcjljcljcvvjv yicslfclcjljcljcvvjv 4
  6. 6. Digital workflow in NUK JPEG 90 ODM Scanning Image manipulation Book order OCR Gotic Typeface Latin Typeface Server based OCR & PDF Local OCR & PDF 5
  7. 7. Difficulties with colour scanns Lightning Shading 6
  8. 8. IMAGE MANIPULATION (i2s BookRestorer) Scanned Tools pages Functions Image 7
  9. 9. OCR (ABBYY FineReader 8) Croped Text pages Edit Working page 8
  10. 10. Difficulties with ussing ABBYY OCR Violet shading & Image rotation Image rotation after OCR Tonal value change 9
  11. 11. Difficulties with ussing ABBYY OCR Text block deformation Text block deformation after OCR Image deformation after OCR 10
  12. 12. PDF (ISO 15930:2005)PDF (PORTABLE DOCUMENT FORMAT) is a digital format for representing documents, whether they arecreated natively in PDF, converted from other electronic formats, or digitised from paper or microform. Use of PDF Files Transfer Files ? Proofing ? Postscript Utility ? ? and Multimedia Presentations HTML Utility ? Archiving ? Forms ? EDMS (Electronic Document Management System) ? 11
  13. 13. PDF/A (ISO 19005-1:2005)PDF/A is a subset of PDF, obtained by leaving out PDF features not suited for long term archiving.This is similar to the definition of the PDF/X subset for the printing and graphic arts. PDF/A compatibility key elements ? content No Multimedia ?Embedded fonts (TYPEFACE DIGITISATION!!!) ?Device-independent colourspaces ?Use of standards-based metadata (XML) Sectors of Application for PDF/A ?Banks and Insurances ?Industry ?Publishers ? and Government Public Sector 12
  14. 14. PDF/A (ISO 19005-1:2005) Typeface digitisation 13
  15. 15. Colour theory 1 What is colour? Device dependent colour models RGB CMYK Monitor Printer Scanner Printing machine Digital camera 14
  16. 16. Colour theory 2 Device independent colour model (CIE 1976 LAB) ICC Colour management Original book Scanner Monitor Colour consistency use of A A A ICC A 15
  17. 17. ICC Colour Management ICC Workflow ? MONITOR ? SCANNER ? Equipment ? Equipment ? Colourmeter ? IT8 colour reference chart ?for monitors ICC software ?for scanners ICC software 16
  18. 18. Digitisation SUMMARY Long - term digital preservation Colour scanning mode ? ?managed workflow ICC Colour Use of PDF/A ? Cm Embedded fonts ? Digitisation for on screen viewing Colour or grayscale scanning mode ? Use of PDF ? Cm Gm ? sheet turners Use of Flash http://ttpdownload.bl.uk/app_files/silverlight/default.html?id=CB4C06B9-02F4-49AF-80CE-540836464A46 Digitisation for printing and mobile phones Binary scanning mode ? Use of PDF ? Bm 17
  19. 19. Mobile technology Mobile phones Output format Readers Palm ? Microsoft Word ? ?Reader Mobipocet Windows Mobile ? PDF ? Windows Reader ? Symbian ? ? Reader Tiny eBook BlackBerry ? ? Book Reader TequilaCat OCR Bm Electronic paper (also: e-paper, electronic ink display) Polymer material ? Rolls of flat ? OCR Cm ? tochnology Touch screen Bm ? support Multimedia http://www.youtube.com/watch?v=oq_2LiTxhls http://www.youtube.com/watch?v=uQMBzXaCmqY http://www.youtube.com/watch?v=oaykGqzZX4s 18
  20. 20. Questions?
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