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This encodes the string "Wikipedia, the free encyclopedia". MaxiCode is a public domain , machine-readable symbol system originally created by the United Parcel Service (UPS) in 1992. [ 1 ] Suitable for tracking and managing the shipment of packages, it resembles an Aztec Code or QR code , but uses dots arranged in a hexagonal grid instead of ...
Furthermore, the reader's line scan won't scan just a row; it will typically start scanning one row, but then cross over to a neighbor and possibly continuing on to cross successive rows. In order to minimize the effect of these crossings, the PDF417 modules are tall and narrow — the height is typically three times the width.
Decodable texts vary in quality in terms of the sequence in which sounds are introduced, the rigor of the controlled language, the richness of stories under severe sound limitations, the appearance (font sizes, illustrations, paper weight to avoid bleeding which can be very distracting to the readers, etc.), length in pages and the pace of ...
Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...
Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was ...
An "address carpet", used in digital paper, such as Howell's binary pattern and the Anoto dot pattern, is a 2D barcode designed so that a reader, even though only a tiny portion of the complete carpet is in the field of view of the reader, can find its absolute X, Y position and rotation in the carpet. [23] [24]
Barcode readers can be distinguished based on housing design as follows: Handheld scanner with a handle and typically a trigger button for switching on the light like this are used in factory and farm automation for quality management and shipping. PDA scanner (or Auto-ID PDA) a PDA with a built-in barcode reader or attached barcode scanner.
ISBN represented as EAN-13 bar code showing both human-readable and machine-readable data. In computing, a human-readable medium or human-readable format is any encoding of data or information that can be naturally read by humans, resulting in human-readable data.
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