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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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WIA Scanning via Feeder

WIA Scanning via Feeder Here is my device properties: Document Handling Select = 1 (2 is for flatbed, and 1 is for the feeder.) Here is my item (page) properties: Horizontal Resolution = 150 Vertical Resolution = 150 Horizontal Extent = 500 (I want…
Willem Toerien
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Using ARKit and LiDAR to scan an object and get dimensions of said object

Im developing a prototype which should be able to scan a real-world object and create a 3D representation of it. It then needs to get spatial data about said object (like the width, height and depth of the object). Currently I've been able to create…
Heinevolder
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Scaning multiple pages using WIA on windows 7

I am trying to scan a few pages from the feeder, although the scanner automatically scans all the pages when I call ShowTransfer function (without using a loop), I am getting back only the first page. what am I doing wrong? here's my code: …
mendy
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gdip image save directly intptr in my local drive

I have this code to get the image file from the scanner and save it on local disk: IntPtr img = (IntPtr)pics[i]; SetStyle(ControlStyles.DoubleBuffer, false); …
Ehsan Akbar
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WIA 2.0 Duplex scanning

Since Vista, Windows is shipped with WIA 2.0 (wiaaut.dll). According to the following KB article and many of my findings on various forums, duplex scanning is no longer possible using WIA 2.0. Yet, the article mentions the use of native WIA 2.0,…
ITD
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Scan screen for color

I would like, in Java, to scan the screen for a particular color. Any idea how to do that?
Rok Povsic
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Android Business card scanner library for SDK environment

Is there any library for business card scanner.I am new to android. Help me out. Thanks in advance.
Santosh Kathait
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How to integrate OCR with Expo

I tried using various libraries such as react-native-tesseract react-native-text-detector in Expo in order to integrate OCR but they did not work. This is my code and I am wondering how to integrate OCR within it. Thank you in advance for…
Benjamin Sloutsky
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OCR library in React Native. Is it possible to use tesseract.js?

What free library should I use to scan in React Native? I need a library to scan documents, I want to set the frame size on my camera and load data from a photo. I found a library, but it won't be maintained…
Mateusz
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BufferedImage color saturation

I'm writing a simple scanning application using jfreesane and Apache PDFBox. Here is the scanning code: InetAddress address = InetAddress.getByName("192.168.0.17"); SaneSession session = SaneSession.withRemoteSane(address); List devices…
Vladimir M.
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Is there a cocoa framework for image scanning?

What options do I have for an image scanning framework on Mac OS X? I'm not looking for an OCR library. Just something that will do the actual scanning and importing to PDF or comparable format.
robottobor
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GOCR not using training results

I have an image which I found on Google. My intention was to once train GOCR with that sample image and then reproduce the results with the knowledge I acquired. I used gocr -i /tmp/scanned2.jpg -m 2 -p /home/marc/.db/ -m 256 -m 130 to train it. -m…
Schnodderbalken
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RSBarcodes_Swift how to use?

Sorry for Google translator... Hello! I want to understand the use of the Swift RSBarcodes library. How to assign a variable scanned code. I tried to do so: var MyVar:String = "" self.barcodesHandler = { barcodes in for barcode…
Dmitry
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Cannot read second page scanned via ADF

I have a Brother mutlifunction networked printer/scanner/fax (model MFC-9140CDN). I am trying to use the following code with WIA, to retrieve items scanned in with the document feeder: const int FEEDER = 1; var manager=new DeviceManager(); var…
Zev Spitz
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Which is the best .NET image capture API for me to use?

I have been tasked with integrating image acquisition into a .NET application and I have been looking for an API to use for performing this function. I have come across several "standard" APIs, some have been in existence for a long time, some not…
BlackICE
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