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The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...
High Efficiency Video Coding (HEVC, ITU-T H.265) [ 14] is an encoding format for graphic data, first standardized in 2013. It is the primarily used and implied default codec for HEIF as specified in the normative Annex B to ISO/IEC 23008-12 HEVC Image File Format . While not introduced formally in the standard, the acronym HEIC (High-Efficiency ...
LINK 480Z. (Optional interface) Composite video, TTL RGB monitor: 640×192 pixels, 1 bit per pixel; 320×192 pixels, 2 bits per pixel; 160×96 pixels, 4 bits per pixel; 256 different intensities (composite video) or one of 8 colours (TTL RGB output). The LINK 480Z was an 8-bit microcomputer produced by Research Machines Limited in Oxford ...
QRpedia is a mobile Web -based system which uses QR codes to deliver Wikipedia articles to users, in their preferred language. [1] [2] [3] A typical use is on museum labels, linking to Wikipedia articles about the exhibited object. QR codes can easily be generated to link directly to any Uniform Resource Identifier (URI), but the QRpedia system ...
Barcode reader. A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [ 1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain ...
The resolution of 960H depends on whether the equipment is PAL or NTSC based: 960H represents 960 x 576 (PAL) or 960 x 480 (NTSC) pixels. [29] 960H represents an increase in pixels of some 30% over standard D1 resolution, which is 720 x 576 pixels (PAL), or 720 x 480 pixels (NTSC). The increased resolution over D1 comes as a result of a longer ...
Low-dose high-resolution (1.25 mm) chest CT. HRCT is performed using a conventional CT scanner. However, imaging parameters are chosen so as to maximize spatial resolution: a narrow slice width is used (usually 1–2 mm), a high spatial resolution image reconstruction algorithm is used, field of view is minimized, so as to minimize the size of each pixel, and other scan factors (e.g. focal ...
File:QR Code Structure Example.svg. Size of this PNG preview of this SVG file: 800 × 406 pixels. Other resolutions: 320 × 162 pixels | 640 × 325 pixels | 1,024 × 520 pixels | 1,280 × 650 pixels | 2,560 × 1,300 pixels | 1,229 × 624 pixels. Original file (SVG file, nominally 1,229 × 624 pixels, file size: 72 KB) This is a file from ...
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