A method and device for generating a gray two-dimensional code
A two-dimensional code, gray technology, applied in the improvement field of two-dimensional code, can solve the problems of unfavorable accurate identification, color difference, etc., and achieve the effects of accurate identification, large information storage capacity, and high market application value
Active Publication Date: 2018-04-24
矽图(厦门)科技有限公司
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Problems solved by technology
[0006] Color two-dimensional code technology has appeared, but it surpasses most of the existing scanning hardware camera technology, and, due to the complexity of color, it is not conducive to the realization of printed materials, such as street stickers, newspapers, etc., even for small batch printing Or printing, there is also a common problem of color difference, which is not conducive to accurate identification
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[0023] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
[0024] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used in the description of the present invention in this specification are o...
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The invention discloses a method and device for generating a gray two-dimensional code, wherein the generating method includes the following steps: pre-setting the identification area of the two-dimensional code, the identification area includes a positioning area and an information area; pre-setting the two-dimensional code The number of gray scales; the encoding step, encoding the stored information to generate several information symbols with multiple gray scales; outputting the identification area of the stored information. By adopting the above scheme, the present invention can effectively use the existing code scanning hardware to obtain more code-carrying information by generating gray two-dimensional codes, with a large amount of information storage, avoiding the disadvantages of colored two-dimensional codes, and facilitating realization in printed matter. It is beneficial to accurate identification, can be used as a text carrier, and has high market application value.
Description
technical field [0001] The present invention relates to the improvement of two-dimensional codes, in particular to a method and device for generating gray two-dimensional codes. Background technique [0002] Two-dimensional bar code / two-dimensional bar code (2-dimensional bar code) records data symbol information with a specific geometric figure distributed in a plane (two-dimensional direction) according to certain rules; Using the concepts of "0" and "1" bit streams that constitute the logical basis of the computer, using several geometric shapes corresponding to binary to represent text and numerical information, automatic reading through image input equipment or photoelectric scanning equipment to achieve Automatic processing of information: it has some common features of barcode technology: each code system has its specific character set; each character occupies a certain width; it has a certain verification function, etc. At the same time, it also has the function of ...
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IPC IPC(8): G06K19/06
Inventor 潘小和
Owner 矽图(厦门)科技有限公司