Question

Convert a large number of documents scanned in color to monochrome

Laserfiche Scanning Version 8 Capture

Updated February 10, 2015

asked on August 9, 2013 • Show version history

I have a customer that has scanned in approximately 250k images in color due to end user error in scanning settings. This volume is taking up approximately 375Gb of space. They would like to convert the entire volume of images into Black/White to reduce the size of this volume. Any recommendations of the best way to accomplish this. They have a classic 8.3.2. concurrent system with no modules. All I can think of is Quickfields to pull all the documents in, convert them, reassign all existing naming, filing, and metadata. Any better ideas? I looked at the LaserficheImageConverter utility but would converting them to another color format really reduce their sizes that greatly?

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APPROVED ANSWER

replied on August 9, 2013 • Show version history

Hey Levi,

Photodocs does this EXTREMELY well. It's a tiny program, memory wise, so it would need to be done in batches- but one of the customers we support uses this in batches of 10k-20k images and then lets the batches run overnight. The machines involved in this process will requrie some horsepower, and the process can take a while (overnight) but I was able to reduce files at an alarmingly high reduction rate (90%+). That 24 bit color is a space killer for sure.

Oh, and there's also this: https://support.laserfiche.com/KB/1012616 (Image converter utility) which I've used before as well. Be sure to back up all your images/db's prior to executing either of these solutions.

-Hunter

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replied on August 9, 2013

Hunter,

Thanks for the info, never thought of trying PhotoDocs. I was looking at the PhotoDoc settings and I don't see that it has a Laserfiche Capture Engine. Do you know if they are converting the images located directly in the Volume folder in the Windows File Structure? Or are they exporting their large files out of the repository first and then processing them with PhotoDocs? They don't want to use the converter to compress the color images, but actually convert them to B/W.

Thanks,

Levi

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SELECTED ANSWER

replied on August 12, 2013

To add to what Hunter said, you can reprocess existing documents with Photodocs by right-clicking them and selecting "Reprocess with Photodocs." Then you can select all the page thumbnails and from the toolbar select Black and White conversion.

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SELECTED ANSWER

replied on August 12, 2013

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replied on January 29, 2014

I cannot seem to get this process to work on all of the images within a document. I select all images and then choose edit all selected documents. When the next box come up I click on the black and white icon but it only performs the conversion on page one.

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replied on February 10, 2015

hi everyone i had the same issues, it got resolved by using Laserfiche Image Converter where it will reduce the image size but the quality of the image will remain same there is no degradation in images.

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Convert a large number of documents scanned in color to monochrome

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