Who has the highest image quality?

I'm working on a huge project, analysis of the thousands of books, documents and files that I have collected over the years in the form of PDF files. I use a scanner high speed when possible, using a dish only for items that cannot be digitized with a scanner high speed (large size files and folders in several pages for example). My plan is to digitize everything as quickly as possible, so I can have a digital copy safely stored in my computer and some external hard drives. This is probably what I need to do for only text files, which I can throw then (the copy of the paper, that is).

However, I want to make a new image analysis (and perhaps some elements of text) at a higher resolution on my scanner so I can have copies of higher quality. Then I'll try to figure out the best resolution and what file type to save as. I use a scanner Epson Perfection V33. Am I right in thinking that quality would be offered by a .tiff file, followed by a .jpg with a .pdf file file lower quality?

The quality of most of my material is not extraordinary, and I probably won't be much as TIFF, scanner due to the huge file size. So I think that the best option for images (and the text that I might want to scan as an image) is jpg. Is there any particular optimal resolutions that you would recommend?

Thank you.

"Image quality" in a document PDF is created by the image quality of the image that is presented in the PDF document.

A PDF file can and often there are a lot of images with each having a different image resolution.

If you have content text on paper and that you want to scan it, go to TIFF and then create a PDF of TIFF.

This optimises the accuracy of OCR recognition.

JPEG production involves typically "ugly" compression (compression by destructive removal of content) - not too goof to images of text that you want to pass by OCR.

Analysis of the text to TIFF - 300 dpi will suffice in most situations. Avoid JPEG compression.

Be well...

Tags: Acrobat

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