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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.

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Using TWAIN in .NET - Looking for resources

I'm trying to write some sort of code in .NET to acquire images from network scanner. I have tried WIA and can't even get to see the network scanner, so I am looking at TWAIN now. Where the problem comes in is that I am having great trouble finding…
yu_ominae
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Automate scanning from multiple scanners on the same computer using WIA and VB

Hello Stack overflow ! I'm the ultimate beginner in programming. I have some experience in php and vba, doing my own scripts as I need them, especially in excel. Recently, for a project at works, I need to be able to scan AUTOMATICALLY (say every 2…
vincent
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C# WIA with Automatic Document Feeder (ADF) retuns only one page on certain scanners

I have a HP Scanjet 7000 (duplex & ADF scanner) and a HP Scanjet 5500c (only ADF) and a scanner program I'm developing which uses WIA 2.0 on Windows 7. The problem is that the code works perfectly on the older scanner model, but on the newer one the…
Thomas Elstrøm
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Get PDF file from printer via Python scan instruction

I need to send the scan instruction to the printer via Python and get the PDF file back. The standard Windows Paint program, for example, can send a scan instruction to any printer in the world, I need to do the same as Paint does only in Python,…
brung11
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How to get full card number in human readable formate using card.io android SDK?

I have used card.io to scan my credit card in my android application. I got the scanned number but it shows •••• •••• •••• 2157. Now I need to exact card number so that I can pass that number on payment detail form. CreditCard scanResult =…
Kishan sharma
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Cross-Platform Scanning Library

For a long time, it has annoyed me that you need special software for creating a multi-page PDF document from a flatbed scanner. Because "scanner" is an ambiguous word (which REALLY makes searching difficult!) let me clarify: I mean, for example,…
allquixotic
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Reproduce the new scanning feature in iOS 11 Notes

Does anyone know how to reproduce the new Notes new scanning feature in iOS 11?? Is AVFoundation used for the camera? How is the camera detecting the shape of the paper/document/card? How do they place the overlay over in real time? How does the…
R.Radev
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How to check if device supports continuous-picture focus mode?

I'm using the Google Mobile Vision API for my app, everything works as intended, but I ran on a few devices that can't get a barcode to scan. From the logs I found that it's caused by this Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE I'd…
Uggrin
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How can I use a scanner in .NET?

I'm developing an archiving system application that needs to scan documents and store them in a database. I'm looking for suggestions on how to integrate scanning functionality into my application and store the scanned documents in the database.…
Noobie
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BLE Device CC2541 not scanned with android beacon library

I have a problem in ble device scan currently i'm trying to scan c2541 with the Android beacon library and i'm not able to find it in list, if i try to scan StickNFind device. or HM device than its work fine. Following is my some code snippet. …
Ajay Pandya
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Java - An extra character in my code?

I'm using 3 classes: the Character class, the Scanner class, and the Test class. This is the Character class: public class Character { private char cargo = '\u0007'; private String sourceText = ""; private int sourceIndex = 0; …
user4835507
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Auto rotation of scanned documents using java

I'm developing a java application which has document reading using OCR. The output seems to be incorrect sometimes because of the incorrect orientation of the scanned document. So that I need to autorotate the scanned document. …
Neenu
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Taking a photo upon QR code scan

I have an application that has zxing integrated. I've been looking at trying to store a photo when a QR code is scanned. Sean Owen recommended the following: "The app is getting a continuous stream of frames from the camera to analyze. You can…
user2277455
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Proper way to scan a range of IP addresses

Given a range of IP addresses entered by a user (through various means), I want to identify which of these machines have software running that I can talk to. Here's the basic process: Ping these addresses to find available machines Connect to a…
Josh G
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Web TWAIN scanning solution for ASP.Net?

I know some of you will discourage scanning through a web page, unfortunately, it is a requirement. I want to view my options in the situation, and maybe, some of you may have already gone through this and had a workable solution. Problem is, we…
Martin Ongtangco
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