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2010-05-13 19:29 Johndrinkwater 296×296× (6098 bytes) Restored the image to a valid QRCode - it requires a border spacing. Shaved a kilobyte off file size. Shaved a kilobyte off file size. 2010-04-04 00:23 Ke4roh 232×232× (7011 bytes) Convert to SVG
Kahoot! is a Norwegian online game-based learning platform. [3] It has learning games, also known as "kahoots", which are user-generated multiple-choice quizzes that can be accessed via a web browser or the Kahoot! app. [ 4 ] [ 5 ]
The following other wikis use this file: Usage on ar.wikipedia.org كاهوت; Usage on bn.wikipedia.org কাহুত ! Usage on ca.wikipedia.org
The codes should be well lit. Shadow makes it more difficult to scan. Avoid reflected glare (particularly when laminating the codes or placing them behind glass). Larger codes will scan more effectively. 2 inches (5 cm) across will allow for distance and older smartphones with lower quality cameras. 1 inch (2.5 cm) should be the minimum.
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] 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; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...
Like any resampling operation, changing image size and bit depth are lossy in all cases of downsampling, such as 30-bit to 24-bit or 24-bit to 8-bit palette-based images. While increasing bit depth is usually lossless, increasing image size can introduce aliasing or other undesired artifacts.
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