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Invented in 1994 by Masahiro Hara of Denso Wave to label automobile parts.
QR codes (quick-response codes) were invented in 1994 by Masahiro Hara at Denso Wave in Japan. Their original purpose was to label and track automobile parts more efficiently than individually scanned barcode labels on each box, by consolidating the data from multiple labels into a single code. The design uses a square grid of black and white modules with fiducial markers at the corners so imaging devices (like cameras) can locate and read the code. Data is extracted from patterns in both horizontal and vertical components and protected with Reed–Solomon error correction to maintain readability even if the code is partially damaged.
Invented in 1994 by Masahiro Hara of Denso Wave to label automobile parts.
Original goal: replace multiple per-box barcode scans with one code containing all needed part identification data.
Uses corner fiducial markers for reliable detection and Reed–Solomon error correction to preserve readability.
QR codes store locator/identifier data and can be processed by cameras to extract the encoded information.
A two-dimensional matrix barcode that encodes data in a square grid of modules and can be read by imaging devices.
The researcher credited with inventing the QR code system at Denso Wave in 1994.
The Japanese company that developed the QR code technology for labeling automobile parts.
Corner patterns in a QR code that help scanners determine the code’s position and orientation.
An error-correcting method used in QR codes to allow decoding even when part of the code is damaged or obscured.
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