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This page describes how to use Adobe Photoshop and Adobe Acrobat Pro to create access copy PDF/A files. The goal is to produce high-quality, fully searchable PDF/A files that are under 50 MB (though up to 100 MB can be acceptable in some circumstances).
Scanner operators must complete the appropriate procedures for creating digital “master” files before completing these steps. See the Libraries' Digitization Handbook for more guidance.
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Use Adobe Photoshop to batch convert master TIFF files into intermediary JPEG files.
Use Adobe Acrobat Pro to compile intermediary JPEG files into a single PDF/A file. Sometimes, very large master TIFF files must be batch converted into intermediary TIFFs before creating intermediary JPEG files.
Use Adobe Acrobat Pro transcribe PDF/A file (i.e., run Optical Character Recognition tool).
Delete intermediary JPEG files.
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Use Adobe Photoshop to create intermediary JPEG files
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Follow the Adobe Photoshop procedures to create access copy JPEG files.
Note: it may be necessary to test a few image processing settings to find the right balance between file size and image quality. See Appendix E - Scanner and Image Processing Tests /wiki/spaces/DCH/pages/42270750 for guidance.
If the access copy JPEG files are too large, the "Resize to fit" processing option can be used to batch resize the JPEGs.
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When using these procedures as part of the workflow for creating PDF/A files.
Use Adobe Acrobat Pro to compile intermediary JPEG files into PDF/A file
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Launch Adobe Acrobat Pro.
Click on the option to "Compile PDF from multiple files."
Click on the option to “Run OCR.”