Two-dimensional code, printed publication applying the two-dimensional code and decoding process

A technology for two-dimensional codes and publications, applied in the field of two-dimensional codes, can solve the problems of confusing reading pronunciation content, limited number of pronunciation indexes, large opening of the reading head of the reader, etc., and achieves fast data reading and low error rate. , Easy to read by the reader

Active Publication Date: 2009-07-08
SHENZHEN MPR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of clear code can only appear in the blank space of the layout, usually in the form of a single code, which will more or less affect the beauty of the layout
And in order to make the clear code easy to be found, the clear code is usually printed larger, so that although the printing accuracy is low, when reading, the reading head of the reader is required to have a larger opening
[0005] The two-dime

Method used

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  • Two-dimensional code, printed publication applying the two-dimensional code and decoding process
  • Two-dimensional code, printed publication applying the two-dimensional code and decoding process
  • Two-dimensional code, printed publication applying the two-dimensional code and decoding process

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Embodiment Construction

[0040] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.

[0041] In the two-dimensional code of the present invention, the barcode unit of the code pattern can be round dots or solid dots of other shapes. Each black dot represents a barcode unit, and correspondingly each white dot is also a barcode unit. If the value of the black dot is equal to 1, then the value of the white dot is equal to 0, and vice versa. White dots can be printed without printing, and directly use the background color of printing media such as paper.

[0042] The diameter of the dots should be large enough for printing, depending on the printing press. RS coding can be used during coding to ensure that it has sufficient error correction capability. The decoding algorithm has a small amount of calculation, so that it can be easily run by a low-cost MCU.

[0043] The two-dimensional code of the present inventi...

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Abstract

The invention discloses a two-dimensional code, printed publication using the two-dimensional code and a decoding method. The two-dimensional code is characterized in that rectangular code symbol includes a code unit with different optical reflectivity arranged on a substrate; the code units in the code symbol are solid round dots arranged at equal distance; the units at four corners of the code symbol are location dots for border location and recognition, and the rest units are data dots; and the area of the location dots are larger than that of the data dots. The two-dimensional code can form images under the condition of deep defocusing, and has the advantages of rapid data reading, high reliability, low requirement for reading equipment and wide application.

Description

[0001] The present invention application is a divisional application of the patent application 200610156879.4 "two-dimensional code and its decoding method, and printed publications using the two-dimensional code". The filing date of the original application is November 16, 2006. 【Technical field】 [0002] The invention relates to a two-dimensional code, its application on printed publications and a decoding method. 【Background technique】 [0003] It is customary for people to read traditional publications such as books and newspapers with their eyes. After a long time, the eyes are prone to fatigue. This way of obtaining information is relatively boring, and blind people or people with eye diseases cannot read such traditional publications. For this reason, voice reading publications have appeared in recent years. Using a two-dimensional code voice reading device, the content in a book can be decoded and pronounced for readers to listen to, which improves the efficiency of r...

Claims

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Application Information

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IPC IPC(8): G06K19/06G06K9/18G06V30/224
Inventor 李政放吕迎丰
Owner SHENZHEN MPR TECH CO LTD
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