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Use camera for scans

Use camera for scans

Published:
May 30, 2024
Updated:
May 30, 2024
From:
Waldemar

Table of Content

In this article you will learn how to use a USB camera in ELAM Assistant to perform scans. Basically, you can use built-in cameras on tablets or laptops, or external cameras connected to the computer via USB.

Enable camera access in browser

In order to use a camera in the ELAM Assistant, camera access must be enabled in the browser used.

Setup instruction for Google Chrome Browser

Setup instruction for Microsoft Edge Browser

Enable camera access on a SWA5 client

If you want to connect a USB camera to a SWA5 client, you have to enable camera access in the Chrome browser once.

To enable camera access, proceed as follows:

  1. Close the ELAM Assistant in your browser
  2. Open the Chrome browser in the menu
  3. Click on the menu with the three dots
  4. Click Settings
  5. Click Privacy and Security in the menu
  6. Click Website Settings
  7. Click on Camera in the Permissions area
  8. Choose the default setting sites may ask if they want to use my camera

Then close the browser and open the ELAM Assistant again in the browser by typing the URL app.elam-solutions.com using a keyboard.

  1. Use F11 to get out of the full screen mode, if needed to.
  2. Click the preferences icon in the URL bar and click on website preferences.
  3. Allow camera use for the browser.
  4. Click Reload in the browser dialog
  5. The camera is now initialized when the Camera button is clicked

Hold a barcode in the visible area for detection. The window will close automatically when a barcode is detected.

The following barcode types are supported by cameras by default:

  • QR Code
  • Data Matrix
  • Code 128
  • Code 39

FAQ

My barcodes can't be recognized, but QR codes with the same content can. What's the issue?

  • Quality and resolution of the camera: QR codes were designed to be well recognized even with poor image quality. Traditional barcodes may require a higher resolution or better image quality to be interpreted correctly.
  • Contrast and orientation: QR codes can be read in multiple orientations, whereas barcodes usually need to be read horizontally. A slightly slanted barcode might therefore be harder to read than a slanted QR code.
  • Damage or contamination: QR codes have built-in redundancy mechanisms, meaning they can still be read if part of the code is damaged or soiled. Barcodes are less error-tolerant in this regard.
  • Lighting conditions: Barcodes reflect light differently than QR codes, and this could make reading difficult if lighting conditions are not ideal.