Two-dimensional code generation method, two-dimensional code, two-dimensional code recognition method, and image recognition device
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United States of America Patent
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Mar 26, 2013
Grant Date -
Mar 1, 2012
app pub date -
Aug 30, 2011
filing date -
Jun 21, 2006
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Abstract
A two-dimensional code in which given data is encoded as a two-dimensional image. The two-dimensional code includes as image elements: points each of which is placed at point placement reserved position in a two-dimensional region based on a binary data string uniquely associated with the given data according to a preset binary data string placement condition; and a line connecting each of the points and a connection target point according to a preset connection condition. The two-dimensional code is formed as a two-dimensional image by causing the line connecting the points to have a given width.
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