Daniel Reetz, the founder of the DIY Book Scanner community, has recently started making videos of prototyping and shop tips. If you are tinkering with a book scanner (or any other project) in your home shop, these tips will come in handy. https://www.youtube.com/channel/UCn0gq8 ... g_8K1nfInQ

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by vitorio
13 Nov 2012, 03:38
Forum: R&D and New Technologies
Topic: Google open-sources a DIY page-turning scanner
Replies: 17
Views: 17427

Google open-sources a DIY page-turning scanner

Linear Book Scanner is a prototype automatic book scanning device. The device moves a book face-down over linear sensors to capture page images, and uses vacuum pressure to turn pages automatically as the book moves. Blog post: https://plus.google.com/u/0/+BenjaminStaffin/posts/LqypUXGbixu YouTube ...
by vitorio
01 Apr 2012, 05:13
Forum: Scanners and Build Threads
Topic: What's wrong with this platen design?
Replies: 13
Views: 7481

Re: What's wrong with this platen design?

Went to a couple of camera shops today. Turns out the "track" I wish I had exists: they're called "macro focusing rails," and they provide two rails to allow you to precisely control macro focus by moving the camera forward, backward, left and right, and locking those positions. I want a facing plat...
by vitorio
19 Mar 2012, 02:33
Forum: Show and Tell / Book Projects
Topic: Training, by W. G. George, 1902
Replies: 23
Views: 22540

Re: Training, by W. G. George, 1902

Some notes: I split up each set of images: the two different sets of shots for the right pages, and the strangely different DPI sets for the left pages, and within those, I checked DPIs every ten images, plotted them against the number of images, and manually entered interpolated values for the in-b...
by vitorio
18 Mar 2012, 03:52
Forum: Show and Tell / Book Projects
Topic: Training, by W. G. George, 1902
Replies: 23
Views: 22540

Re: Training, by W. G. George, 1902

That last link is a .zip file which includes the missing page 21 (named 366-1 so it should sort between 365 and 366 automatically), plus a few other pages that looked egregiously blurry or out-of-focus, named for the files they should replace. It turns out there's one more page missing: a blank pag...
by vitorio
17 Mar 2012, 22:06
Forum: Show and Tell / Book Projects
Topic: Training, by W. G. George, 1902
Replies: 23
Views: 22540

Re: Training, by W. G. George, 1902

Camera's viewpoint of the platen (5MB JPG) ISO test image from the first batch of scans (5MB JPG) Left-side page scans (437MB ZIP) Right-side page scans (431MB ZIP) My six-page sample assembly from my previous post (1.5MB PDF) The missing page 21, plus a few other pages retakes (37MB ZIP) That last...
by vitorio
16 Mar 2012, 13:15
Forum: Scanners and Build Threads
Topic: What's wrong with this platen design?
Replies: 13
Views: 7481

Re: What's wrong with this platen design?

So something like this? Close, but where you have a dotted line labeled "camera plane," that's an actual solid, opaque piece of material, parallel to the glass part of the platen, which the camera lens is poking through. The camera isn't on a wedge, it's attached to the shield. Edit: Unless you're ...
by vitorio
16 Mar 2012, 12:52
Forum: Scanners and Build Threads
Topic: What's wrong with this platen design?
Replies: 13
Views: 7481

Re: What's wrong with this platen design?

Blergh, it won't let me edit my post. Stupid SkyDrive. Attaching to this post. WP_000135.jpg On the left, there's a pane of glass, wider and taller than the largest book you'd want to scan. On the right, there's a piece of opaque material to complete the "v", which is black. The "v" shape is held op...
by vitorio
16 Mar 2012, 02:44
Forum: Show and Tell / Book Projects
Topic: Training, by W. G. George, 1902
Replies: 23
Views: 22540

Re: Training, by W. G. George, 1902

Thanks for walking me through your process, it's been super informative. Assembling it color really makes clear the occasional poorly focused page, which I didn't notice as much when going through Scan Tailor zoomed out. Even with Scan Tailor's magic, though, you can still see the problems with the ...
by vitorio
16 Mar 2012, 02:38
Forum: Scanners and Build Threads
Topic: What's wrong with this platen design?
Replies: 13
Views: 7481

What's wrong with this platen design?

In using my scanner, I've learned a lot, including the fact that, as-is, it isn't very good for even casual preservation. I feel like, on the low end of the investment spectrum for platen scanners, a single-camera design like the cardboard box scanners, or Fox's scanner , are where things should be....
by vitorio
14 Mar 2012, 15:44
Forum: Show and Tell / Book Projects
Topic: Training, by W. G. George, 1902
Replies: 23
Views: 22540

Re: Training, by W. G. George, 1902

I can't find page 21 -- it should be between right/DSC00365 (page 19) and right/DSC00366 (page 23), shouldn't it? Did you miss a page? Hah! It appears so! I'll retake that page tonight. So clearly something's going on. I expect some variation, but not that much, unless your scanner isn't fixed plat...