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Questions tagged [scanning]

The act of reading an image, a text or an object using a camera or some other optical input device. This tag should not be used for network, text or file scans.

The act of reading an image, a text or an object using a camera or some other optical input device to a digital file. This tag should cover all that has to do with physical scanners like bed scanners and hand scanners, and software scanning using cameras. It also covers QR codes and barcodes.

645 questions
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How can i invoke a paper scanner using php code?

How can I invoke a paper scanner using php code? I have already used Dynamic Web TWAIN for scanning, but it is not free. I need an open source code to scan. Please help me. Thank you in advance.
Lijimol v r
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PIL: Create one-dimensional histogram of image color lightness?

I've been working on a script, and I need it to basically: Make the image greyscale (or bitonal, I will play with both to see which one works better). Process each individual column and create a net intensity value for each column. Spit the results…
Blender
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Trying to rescan for audio files

Ok, I have been looking at this issue for 8 hours straight now. I am testing a mediaplayer application from a tutorial. It works properly but any new mp3 files added are not available within my RecyclerView list. I have searched and found that I…
Jack
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document scanning in PhoneGap / Cordova apps

Does anyone know of any solutions for document scanning in Cordova apps on Android devices ? For our PhoneGap app we are looking for a plugin that can do: edge detection when taking a picture of paper documents (preferably with visual…
user6564262
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suggest database for storing metadata regarding 200 million images (1 million books) (NoSQL? SQL?)

Friends, We will be undertaking a knowledge preservation project for scanning more than 1 million books. We need some suggestions on implementing database for storing and retrieving metadata as well as use it for tracking the scanning status of…
Eternal Saint
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Disable scanning of CDI beans in WAR

I have WAR package with CDI beans. Deployment of the package is very slow because every time during deployment the package is scanned for CDI beans. Is there any option to disable this process?
Peter Penzov
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Twain Driver - TWAINDSM.DLL Error in Windows OS x64

We have developed an application to control and scan any file like images, etc as a C# Winform App and it works under x86 OS platform successfully. In the app, we use C# twain class which to send a command to scanner so we can achieve what we…
Muzzy B.
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Python3 - Creating a scanner for a compiler and getting errors upon testing

I am trying to create a scanner for a compiler which reads a simple language. I created a test file called program, which contains: z := 2; if z < 3 then z := 1 end To run the program, I use terminal, and run the command line: python3…
RCR1994
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Tesseract ios SDK Error opening data file /tessdata/eng.traineddata

I am developing an app with openCV and Tesseract framework. It was working well with "NO 64 bit support" but apple requires 64-bit support in every build now onwards. So i have updated the tesseract framework to pod 'TesseractOCRiOS',…
Bhumi Goklani
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Is there away to allow capturing last and first name as well as expiry date using card.io on iPhone?

Using card.io, is there any possibility to scan last name, first name as well as the expiry date on iPhone?
digitup
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Use MediaScannerConnection scanFile To Scan Downloaded Image File

I am working on an app in which I save image(s) to a directory but the Images wont show up in gallery until I restart the phone. Here's My Code Snippet public class SaveTask extends AsyncTask { private…
Aaisha Monisha Malik
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PHP invoke Scanner Hardware and scan documents and upload it to Server

How to invoke Scanner from php script and scan document and then upload scanned document to server ?
Ram Prasanth
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zxing scanning region not accurate

In my project, the scanning area (the box that is non-shady) seems not consistent with the true scanning region where barcode is scanned. The true region seems to be a bit above the box, since I have to place the barcode a bit above the red line (I…
Derekyy
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ImageCaptureCore error -9933 when ICScannerFunctionalUnit set to scan in black & white

I'm making an application to easily scan to multiple page pdf files. The project is on GitHub, just in case you want to have a look at all of the project code. I'm having an issue with scanning in black & white. This is the method that gets called…
levidhuyvetter
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OS X Mac and writing a twain scanning application

Can someone point me to the correct place to start development of a twain scanning appliation for the MAC osx. I have done some simple objective c development in the past, but nothing interfacing with a device.
user139523
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