code39

问题 I have barcode images in jpg format and want to extract barcode # from those. Please help! 回答1: See the CodeProject article: Reading Barcodes from an Image - II. The author (James) improves (and credits) a previously written VB library to decode barcodes from an image using only .NET code. There are two projects in the downloadable solution: The barcode library - written in C# The test app - written in VB I have successfully used the C# code in VS2008 against a JPG image with an extended

问题 I am using zxing in my android application to read QR_CODE and Barcodes. My application is unable to read the CODE_39 using zxing. I am using the following code in CaptureActivity OnResume Method: Intent intent = getIntent(); String action = intent == null ? null : intent.getAction(); String dataString = intent == null ? null : intent.getDataString(); if (intent != null && action != null) { if (action.equals(Intents.Scan.ACTION)) { //Scan the formats the intent requested, and return the /

问题 My application is generating a Code 39 barcode but a customer is having problems with their document management system recognizing the barcode after the prints have been scanned and re-printed. I have also tested it using an online barcode reader which confirms that the barcode on their end document is not readable. Is there a best type of barcode to use, that would give the best results after printing, scanning and re-printing elsewhere? Here is an original barcode in the PDF straight from