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Tom-Dynamsoft merged 1 commit into from
Nov 1, 2024
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update to internal commit 8783392c #403

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6 changes: 4 additions & 2 deletions programming/javascript/faq/webcam-support-dense.md
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Expand Up @@ -18,6 +18,8 @@ Most built-in laptop webcams these days meet the minimum required resolution of

This problem is never really encountered on mobile as most modern mobile phones these days have high quality cameras that have the ability to autofocus, so that is never really a worry with mobile phones.

Therefore, if you are required to use laptops to read barcodes from driver licenses in your use case, please keep this in mind. We recommend avoiding using laptop webcams as the camera input for such use cases. If you need to use laptops, then we recommend purchasing an external webcam that meets the minimum resolution (1080p is the recommended resolution, but 720p is the minimum) but more importantly, has the ability to focus. If your built-in laptop webcam does indeed have the ability top focus and you are still
Therefore, if you are required to use laptops to read barcodes from driver licenses in your use case, please keep this in mind. We recommend avoiding using laptop webcams as the camera input for such use cases. If you need to use laptops, then we recommend purchasing an external webcam that meets the minimum resolution (1080p is the recommended resolution, but 720p is the minimum) but more importantly, has the ability to focus.

If your built-in laptop webcam does indeed have the ability to focus and you are still struggling to read the PDF417 barcode, please let us know as we could potentially use some of the [Camera Enhancer API]({{site.dce_js_api}}index.html) to hone the focus of the camera to be suited for this use case. If you have any questions on this matter, do not hesitate to [contact us](https://www.dynamsoft.com/contact/).
In addition, please note that this not only applies to PDF417 barcodes, but other dense types of barcodes such as high-density QR Codes.

If your built-in laptop webcam does indeed have the ability to focus and you are still struggling to read these dense type of barcodes, please let us know as we could potentially use some of the [Camera Enhancer API]({{site.dce_js_api}}index.html) to hone the focus of the camera to be suited for this use case. If you have any questions on this matter, do not hesitate to [contact us](https://www.dynamsoft.com/contact/).