Comments on: Introduction of QR Code Reader Library

By: AS3 Code Libraries (APIs) | bytecoderz blog

AS3 Code Libraries (APIs) | bytecoderz blog — Wed, 02 Feb 2011 08:47:48 +0000

[...] QR Code Reader – A library that recognizes and decodes any QR Code from any image source http://blog.jactionscripters.com/2009/05/23/introduction-of-qr-code-reader-library/ [...]

By: HIma

HIma — Mon, 24 Jan 2011 09:41:31 +0000

Hi, kindly tell me how to speed up the process of scanning as its very slow and I wanted to convert it to an android app by minor tweekings.
Please help as I am stuck.

thanks,
HIma

By: AS3 CODE Library (API) - Mijimiji Blog

AS3 CODE Library (API) - Mijimiji Blog — Mon, 03 Jan 2011 16:24:37 +0000

[...] QR Code Reader – A library that recognizes and decodes any QR Code from any image source http://blog.jactionscripters.com/2009/05/23/introduction-of-qr-code-reader-library/ [...]

By: dosrrj

dosrrj — Mon, 29 Nov 2010 21:44:31 +0000

Hello, Is great your app, but once the app recognices the code I would like to open the website in a new window.

How can I do it?

thank you

By: Glenn Marsden

Glenn Marsden — Thu, 25 Nov 2010 10:14:40 +0000

The application is perfect, just a shame it’s not quicker at reading from the webcam.

By: kenl3w

kenl3w — Sat, 20 Nov 2010 02:59:02 +0000

Kenichi Ueno,

Do you mind to show me the way to build them step by step…

I have a limited knowledge on flash

thanks in advance for your help.

By: Mannou

Mannou — Sun, 14 Nov 2010 00:31:19 +0000

thanks for sharing such interesting code. Pls I need to know how can I scan directly from the webcam.
it ’s simple to put the image path in the “imageSrc” . but how can I get the result directly without cliking ou button to take a picture.
Thank you in advance

By: kasper kamperman

kasper kamperman — Sun, 07 Nov 2010 13:41:16 +0000

Hi,

I’ve made an example with Automated Threshold (by Quasimondo:
http://www.quasimondo.com/archives/000690.php
)

Thank you for the excellent library.

See:
http://www.kasperkamperman.com/blog/flash-qrcode-reader-as3/

By: kasper kamperman

kasper kamperman — Fri, 05 Nov 2010 19:03:24 +0000

Sometimes Flash traces this error. Any idea what that could be ? :

TypeError: Error #1009: Cannot access a property or method of a null object reference.
at com.logosware.utils.QRcode::G8Num/multiply()
at com.logosware.utils.QRcode::QRdecode/_RS8bit()
at com.logosware.utils.QRcode::QRdecode/_ReedSolomon()
at com.logosware.utils.QRcode::QRdecode/startDecode()
at ReadQrSimple/onQrImageReadComplete()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at com.logosware.utils.QRcode::GetQRimage/process()
at ReadQrSimple/refresh()
at flash.utils::Timer/_timerDispatch()
at flash.utils::Timer/tick()

By: Bwridge

Bwridge — Fri, 05 Nov 2010 02:25:23 +0000

Kenichi
Thanks for the introduction to the QR Code Reader Library. I’m wondering if theres a version that can be hosted (that runs within a browser)?
Thanks

By: Kenichi Ueno

Kenichi Ueno — Fri, 03 Sep 2010 02:19:10 +0000

I’m sorry that I have not approved recent comments because I didn’t notice to have to do that ; )

carlos >
I believe your problem was solved by initializing the class correctly. Thanks for sending me an email.

raj >
I guess the thresholding is not working well.
But to narrow what is the problem, you should try passing an image captured by webcam to the decoder directly.
I’m sorry for being late to answer for an urgent question.

Jaime >
You can add your thresholding method at com.logosware.utils.QRcode.QRCodeDetector class’s detect() method.
Thresholding techniques themselves are almost same as ones for AR marker detection.
It must worth to research them too.

Özgün >
I am note sure what is the problem though, please make sure your webcam is working only in one application simultaneously.
Thank you for sending me an email and noticing me about comments here : )

By: Özgün Sandal

Özgün Sandal — Thu, 26 Aug 2010 20:02:45 +0000

Hi.İts so successful project but it’s not working on my computer.I’m using your shared class ‘ReadQrCodeSample.as’ but no =( it’s working on this site very successfuly but not working my computer.Why is that? Thank you….

By: Jaime

Jaime — Sun, 25 Jul 2010 21:31:56 +0000

Hi Kenichi,

I just found this amazing qr reader, and i was trying to do so changes but i think i am not that smart. I was trying to add adaptive thresholding.

Could you help me out and give me some pointers.

Thanks

By: raj

raj — Sat, 03 Jul 2010 09:12:02 +0000

Hi,

I am working on a school project. I know it is not a right place to post my problem as it is related to .net application, but i need it urgently and i know atleast you can give me some direction to solve this problem.

The project is to develope a .net(c#) application to read QRCode. I am able to deoce it from a QRCode image. But when i use a Webcam image, same code does not work. Can you help me in this.

Thanks

By: carlos Barbosa

carlos Barbosa — Thu, 17 Jun 2010 00:10:22 +0000

Hello, i am looking forward to use your qrlicense, but have been unable to find one example that reads the code from a local file like a png image, i have been trying, but it yields about invalid bitmap this is the code i am using:

public function qrReader(): void {

qrCodeLoader= new Loader();

qrCodeImage = new URLRequest(”licenses/qr.png”);
qrCodeLoader.load(qrCodeImage);

var qrSprite:Sprite = new Sprite();
qrSprite.addChild(qrCodeLoader)

getQRimage = new GetQRimage(qrSprite); // imageSrc:DisplayObject(Sprite, Video, …)

getQRimage.addEventListener(QRreaderEvent.QR_IMAGE_READ_COMPLETE, onQrImageReadComplete);

getQRimage.process();

function onQrImageReadComplete(e:QRreaderEvent):void{

qrDecode.setQR(e.data);

qrDecode.addEventListener(QRdecoderEvent.QR_DECODE_COMPLETE, onQrDecodeComplete);

qrDecode.startDecode();

}

function onQrDecodeComplete(e:QRdecoderEvent):void{

trace(e.data)
// e.data is the string decoded from QR Code
}

}