Stack Overflow
Stack Overflow

Questions tagged [datamatrix]

Data Matrix is a 2D barcode symbol designed to pack a lot of information in a very small physical space, including Reed-Solomon error correction in version ECC 200.

131 questions
3
votes
2 answers

How to scan a DPM datamatrix from a mobile app

I'm trying to leverage ZXing in an Android app to scan data matrixes. So far I'm successful with printed data matrixes such as this: But other data matrixes, which are either printed by laser or punched into the material, have circle-looking marks…
Mig82
  • 4,856
  • 4
  • 40
  • 63
3
votes
2 answers

How does pydtmx or libdtmx return the FNC1 character

Does anyone know what character FNC1 returns as in pydmtx? I'm using pydmtx to read a variety of Datamatrix tags which include variable length elements that I need to parse. Pydmtx is a wrapper for libdmtx, The changelog for libdmtx 0.7.0 says it…
Empiricist
  • 116
  • 2
  • 8
3
votes
1 answer

Add a FNC1 character to code created with tcpdf datamatrix

I am using tcpdf to generate datamatrix barcodes. Works really nice. Now I was asked if we could add fnc1 characters to our code. But I have no clue what the representation of the fnc1 character would be correct for the tcpdf generator. I came…
Preexo
  • 2,102
  • 5
  • 29
  • 37
3
votes
1 answer

Data matrix scan works very slow and imprecise with ZBar on Android

I integrated zBar library in my Android project in order to scan multiple types of codes, including data matrix. The library works very fast and precise for QR code and bar code, but when it comes to data matrix, I hardly get any result. In most of…
Dacian Mujdar
  • 585
  • 2
  • 17
3
votes
1 answer

ZXing library can't decode Datamatrix barcode

I'm trying to use ZXing library to decode Datamatrix barcode. Here are my code sample: BufferedImage bi = img.getBufferedImage(); Hashtable hints = new Hashtable
Ruslan Zhomir
  • 842
  • 9
  • 27
2
votes
0 answers

Are there any alternatives to pylibdmtx for reading data matrix

I am looking for a decoder that can read and decode Data matrix in python. I came across pylibdmtx that works but it is slow. Are there any alternatives? Any work in neural networks that can help me? from pylibdmtx.pylibdmtx import decode from PIL…
shahidammer
  • 1,026
  • 2
  • 10
  • 24
2
votes
1 answer

How to write decoded data matrix to dataframe

I'm trying to read all data matrixes from an image and write to dataframe. I can print barcode number and location via pylibdmtx but I can't figure out how to store in dataframe image = cv2.imread('IMG-4951.jpg') gray = cv2.cvtColor(image,…
Tyr
  • 580
  • 4
  • 26
2
votes
0 answers

swift - convert UIImage to pure Black&White and detect DataMatrix

I really need help. I'm creating a DataMatrix reader, and part of codes are with white background only and causes any problem with AVFoundation, but another part has grey with shimmer background (see image below), and this driving me crazy. What…
nastassia
  • 807
  • 1
  • 12
  • 31
2
votes
1 answer

How to decode Datamatrix with webcam?

I have read datamatrix from images and now am trying to read that from webcam but it is not working and I keep getting errors. I have tried barcode/qrcode detection from pyimagesearch site. I have used Zbar library which works well but doesn't…
Connan king
  • 31
  • 1
  • 6
2
votes
2 answers

How to generate dataMatrix using CIFilter?

I am getting error: Value for key inputBarcodeDescriptor of type CIDataMatrixCodeDescriptor is not yet supported let string = "tempValue&123" let data = string.data(using: String.Encoding.ascii, allowLossyConversion: false) guard let data = data…
Ashim Dahal
  • 1,097
  • 13
  • 15
2
votes
0 answers

How to generate Data Matrix in Swift?

Is there any way to create data matrix natively in Swift, without using any 3rd party library? I'm searching in the whole internet and cannot find a way of generating data matrix. There are only instructions about generating barcodes: class Barcode…
J. Doe
  • 521
  • 4
  • 15
2
votes
2 answers

How to read data matrix code in Python?

I wanted to know how I can read data matrix bar code using openCV in python I've found How to locate and read Data Matrix code with python but this is still unclear for me. I would like to show the result of reading bar code to output.
trieser
  • 111
  • 2
  • 6
2
votes
0 answers

How to write binary data to DataMatrix in ZPLII BASE256

I'm trying to write binary data to a DataMatrix barcode using ZPL. My problem is that the resulting barcode seems to be corrupted. ^BXB,3,200,26,26,6,,^FH^FD_45_46_42_13^FS results in 0x46 0x47 0x43 0x14 when read using libtdmtx and other…
Wienczny
  • 3,958
  • 4
  • 30
  • 35
2
votes
2 answers

Reading DataMatrix/QR code zxing java

The below data matrix is being read well using Barcode Scanner, zxing mobile app. However, the same is not being read by zxing java library. I have some image transformation code commented. Even transforming the image, rotation or scaling doesn't…
Andrews
  • 895
  • 3
  • 15
  • 30
2
votes
2 answers

Generate Data Matrix with Swift 2 and ZXingObjC

My problem is the following: I want to generate a data matrix with ZXingObjC and show it. Currently i'm writing an application with XCode 7.3 and Swift 2.have to generate a data matrix with a String value. As the ZXingObjC written in Objective C, i…
Mathieu D.
  • 31
  • 5
1
2
3
…
8 9