How to make ebooks
Ideal E-book for Buddhist Studies (Research)
1. Book format: PDF
2. On Screen display: One page, easy read on screen.
3. Keep the original graphic but search-able (Text under image). (For Buddhist books, there are many diacritical marks. It is better to keep the original format of the book.)
4. High Resolution (300 dpi )
5. Small File Size (one book around 5 MB) by using black and white two colors.
Graphic File High Resolution
Resolution DPI (dots per inch): 300 dpi
Color: black & white
Compress: TIFF Group 4
File Format: tif or tiff
Tagged Image File Format, an image file format designed for high-end printing.
TIFF Group 4 (which uses Group 4 compression) is a black-and-white formats.
TIFF-LZW is a flavor of the TIFF file format that uses LZW compression.
TIFF files use the .tif or .tiff file name extension.
150 dpi for color, save as JPG file (qualit 80%)
Scanner Resolution for OCR
Documents: 300 dpi black-and-white
— or — 200 dpi grayscale or color
Documents of poor quality (small text): 400 dpi black-and-white — or — 300 dpi grayscale
Photographs and pictures 100-200 dpi color
— or — 200 dpi grayscale
Images for an inkjet printer 150 dpi -- 300 dpi
Images for computer screen display: 72 dpi
for internet, facebook, use 72 dpi, 90% qality
The OCR process requires textual images that are scanned at 150 to 600 dpi; 300 dpi or higher is recommended.
How to Keep e-Book file small
Use black and white format = Tiff (Group 4)
Use PDF 1.6 (acrobat 7, 8, 9)
Or Use Djvu format.
A Scanner or a camera support 1:1 Macro
By 2014, best softwares for Windows:
1. ABBYY FineReader 11 or 12
2. Foxit PhantomPDF Business 6
3. Adobe Acrobat 11 (If you have Foxit PhantomPDF, you do not need this)
Best softwares for Linux
1. gscan2pdf – automatically scan a book
2. Scan Tailor – It can automatically split scanned books.
Computer Knowledge Required:
1. Know the graphic resolution
2. know how to install and use scanner
3. Know how to set up and use scanner software
4. Know how to edit graphic image
5. Know how to deal with OCR (optical character recognition)
1. Install Scanner
2. Install Softwares
3. Setting Software and test scan
4. Scan a book as Graphic
5. Edit the graphic image
6. Make PDF file
Making e-books in Linux System
1. Use Gscan2pdf to scan a book
Scan Mode = Lineart
Scan resolution 300
Pape Options -->All = automatical scan
We can unselect other options if we use Scan Trailor to process the image file.
2. Use Scan Tailor to process images
3. Use Scan2PDF to convert the image files to PDF
Example for making ebooks at IBC Library by using Linux System
1. Use Scan2PDF to scan books
2. Use ABBYY FineReader 11 (Win XP via Virtual box) to process the image files, OCR, and save to PDF file.
3. Use Foxit PhantomPDF Business 6 (Win XP via Virtual box) to edit PDF files if there are some problems in the ebook.
Suggest for Windows:
1. Use ABBYY FineReader to scan, process image, OCS, and save to files.
2. Use Foxit Phantom to edit PDF files.
2. Gscantopdf (Ubuntu application)
Steps to make an ebook:
1. Start the computer(Ubuntu) and scanner
2. Start the Application Gscantopdf
3. Select "Scan document"
3. Use the following settings:
- Tab Page options -> Single sided, rotate both sides 270, Clean up Images (Layout = double, Left, Right)
- Tab Scan mode -> scan mode = Lineart, scan resolution = 300
4. Scan the pages and save the .pdf file from time to time