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DBXCommunity
Community Manager
Community ManagerWhat’s new: Scanner App
There’s nothing worse than forgetting an idea, or losing an important piece of paper. The one thing we never lose, and usually don’t forget is our phone - so now with the Dropbox Scanner App, you can...
Great analysis Seraphin. There is a control for contrast in Scan but it's not active for the documents I've snapped so far. Maybe it's dependent on using the monochrome image (black and white)? Don't know.
I think it's hard to compare file sizes between devices because the color gamut (number of colors captured) varies so significantly. If you capture fewer colors, the file size will, of course, be smaller since it's representing less information. I think what's important, instead of file size, might be how crisp and readable you find the text, especially in a print, which influences how accurate/fast the OCR process will be.
I don't see why having a stand-alone app matters, anyway... Do you?
Gregg, I'll have to look for that contrast control. My file size comparisons were for similar format and quality (as in "readable 8-pt text" in b&w). There isn't any control over capture resolution, so that can't really count as a factor. From a use case perspective, these were different file sizes for effectively the same output. Now, if they provided some control over capture resolution, we could have a meaningful discussion of what settings (in addition to the ones already provided) deliver the best balance of usable output vs. file size.
But Dropbox isn't alone with file size inflation for PDF docs. I compared output once between Adobe Acrobat, Camscanner, Microsoft Lens, and maybe one other app to see which one worked best for me. They were all bloated to an extent. I opted for Dropbox primarily because I like working in the Dropbox cloud with its straighforward file organization and sharing schemes.
To be clear, I really like the Dropbox (main app) scanning function. It has some room for improvement, but it is still one of the better mobile PDF capture options available. I'm not so sure that Dropbox Scan brings ME any benefit, besides saving a few clicks, and perhaps providing a slightly different contrast result that might be favorable in certain situations, but to others, these differences might very well be killer features.
EDIT: I ran a few more test scans. Dropbox Scan's lowest quality setting seems similar to the main app's highest quality setting. You get a lot more dithering at the lower quality settings with the main Dropbox app. So... their quality settings are not really equivalent. It's possible that Scan captures at a higher resolution to start with; I would have to extract images and compare the bitmaps to really know. Also, I stumbled upon multi-page scanning with Scan. That's a big plus. I also stumbled upon the contrast control with the main app - good to have it.
