Digitization Basic questions. What is digitization? The translation of analogue data into digital...
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Transcript of Digitization Basic questions. What is digitization? The translation of analogue data into digital...
![Page 1: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/1.jpg)
Digitization
Basic questions
![Page 2: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/2.jpg)
What is digitization?
• The translation of analogue data into digital data
• The process of taking a digital image of something
• The creation of a digital representation of something
![Page 3: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/3.jpg)
Why digitize?
?
![Page 4: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/4.jpg)
Phases
1) Initial reflections2) Preparation phase3) Metadata creation4) Actual digitization5) Postproduction6) Long-term storage
![Page 5: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/5.jpg)
Initial reflections
• What do I want to digitize?• Why do I want to do it?• Do I already have the necessary metadata?• What safety precautions are necessary?• Do I want to digitize myself or hire a
company?• What will happen with the digital object, once
produced?
![Page 6: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/6.jpg)
Technical reflections
• Image format (TIFF, JPEG, JPEG2000,…)• Image quality (Resolution, Image
compression)• Equipment (Scanner vs. Digital Camera)• Storage space (webhosting?)• Long-term storage• Filename (Human vs. Computer readable)
![Page 7: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/7.jpg)
Scanner vs. Digital Camera
Scanner• Variable resolution• Lower speed• Mainly for flat objects
Digital Camera• Constant resolution• High speed• Higher adjustability
![Page 8: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/8.jpg)
Metadata for Digitization
Why is this important?• Every digital object has to be identifiable• Most file systems only permit unique names• Changes to filenames are difficult to make
after digitization
![Page 9: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/9.jpg)
Preparation
• Enough space• Constant indirect
lighting, no direct sunlight
• Tables for preparation• Enough power outlets
![Page 10: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/10.jpg)
Digitization
• Speed vs. Quality• Number of people
depending on source material
• Storage of sources during the night
• Delivery of new sources• Quality control• Image postprocessing
![Page 11: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/11.jpg)
Source material
• Flat surface• One sheet• Possibly folded• Possibly packaged
• Book• Possibly very large• Possibly difficult to
open
![Page 12: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/12.jpg)
File naming
Human readability“HHStA_AUR_16890201_r.jpg”
• Easy to read and share• Has to be created by hand• Easy to make mistakes• Temptation to make
changes later on
Computer readability„7c7a1400-dd12-11e0.jpg“
• Can be created quickly before digitization
• Has to be copied, not entered by hand
• Doesn’t mean anything• Can stay the same
regardless of metadata
![Page 13: Digitization Basic questions. What is digitization? The translation of analogue data into digital data The process of taking a digital image of something.](https://reader036.fdocuments.in/reader036/viewer/2022081602/551b961c550346942b8b52b3/html5/thumbnails/13.jpg)
Postproduction
• Image editing (cutting, compression,…)• Quality control (missing images)• Preparation for storage (file organization)