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2. Barcode library - Wikipedia

   en.wikipedia.org/wiki/Barcode_library

   Barcode library or Barcode SDK is a software library that can be used to add barcode features to desktop, web, mobile or embedded applications. Barcode library presents sets of subroutines or objects which allow to create barcode images and put them on surfaces or recognize machine-encoded text / data from scanned or captured by camera images with embedded barcodes.

3. PDF417 - Wikipedia

   en.wikipedia.org/wiki/PDF417

   When the skewed scan straddles rows 6 and 7, then the scanner sees noise. When the scan is on row 7, the scanner sees symbols in cluster 0. Consequently, the scanner knows the direction of the skew. By the time the scanner reaches the right, it is on row 10, so it sees cluster 0 patterns. The scanner will also see a constant stop pattern.

4. Image scanner - Wikipedia

   en.wikipedia.org/wiki/Image_scanner

   Alexander Murray and Richard Morse invented and patented the first analog color scanner at Eastman Kodak in 1937. Intended for color separation at printing presses, their machine was an analog drum scanner that imaged a color transparency mounted in the drum, with a light source placed underneath the film, and three photocells with red, green, and blue color filters reading each spot on the ...

5. Optical mark recognition - Wikipedia

   en.wikipedia.org/wiki/Optical_mark_recognition

   The first mark sense scanner was the IBM 805 Test Scoring Machine; this read marks by sensing the electrical conductivity of graphite pencil lead using pairs of wire brushes that scanned the page. In the 1930s, Richard Warren at IBM experimented with optical mark sense systems for test scoring, as documented in US Patents 2,150,256 (filed in ...

6. QRIS - Wikipedia

   en.wikipedia.org/wiki/QRIS

   Quick Response Code Indonesia Standard (abbreviated as QRIS, the abbreviation being a play on keris, a traditional sword; Indonesian: Kode QR Standar Indonesia) is an Indonesian QR code standard developed by Bank Indonesia (BI) and Indonesian Payment System Association for cashless payments in Indonesia.

7. Code 39 - Wikipedia

   en.wikipedia.org/wiki/Code_39

   Code 39 (also known as Alpha39, Code 3 of 9, Code 3/9, Type 39, USS Code 39, or USD-3) is a variable length, discrete barcode symbology defined in ISO/IEC 16388:2007. The Code 39 specification defines 43 characters, consisting of uppercase letters (A through Z), numeric digits (0 through 9) and a number of special characters ...