TWI385579B - The code pattern and the dot code group pattern and the image processing apparatus of the dot coding type which can provide information - Google Patents

Description

Point code pattern and dot code group pattern of radius coded type and information processing device thereof

The present invention relates to a dot code pattern and a dot code group pattern, and more particularly to a dot code pattern and a dot code group pattern for providing a radius coded pattern of information.

Regarding the conventional techniques of the dot pattern and the dot code group pattern, Japanese Patent Laid-Open Publication No. 2007-11890, US Patent Publication No. US2007/026547, US Patent No. US Patent No. 6,548,768, and US Patent Publication No. US2003 /011164, U.S. Patent Publication No. US2006/0007255, etc., is known.

The first figure shows an example of a conventional dot pattern. The conventional dot code pattern 10 completely removes the actual positioning point, and finds the form of the virtual positioning point by the relative relationship of the mark 10a. 2A to 2D to FIG. 2 are diagrams showing the coding of the representative information of the first dot conventional dot code pattern. In the second A diagram, the symbol 10a is located above the virtual center 10b, and the code of the representative information of the symbol 10a is "00". In the second B diagram, the symbol 10a is located on the right side of the virtual center 10b, and the code of the representative information of the symbol 10a is "01". In the second C diagram, the symbol 10a is located below the virtual center 10b, and the code of the representative information of the symbol 10a is "10". In the second D diagram, the symbol 10a is located on the left side of the virtual center 10b, and the code of the representative information of the symbol 10a is "11". The above-mentioned virtual center 10b function still plays a conventional anchor point function, and each mark 10a is only able to refer to a virtual center to determine the corresponding 10b capital they represent information.

The inventors of the present invention have improved the amount of information that can be provided by the conventional cloth pattern of the conventional dot pattern, and thus improved the dot code of the radius coding type which can provide information. The amount of information can be improved.

It is an object of the present invention to provide a dot code pattern and a dot code group pattern that can display much more information than conventional dot code patterns.

Another object of the present invention is to provide an image processing apparatus for a dot code pattern and a dot code group pattern of a radius coding type.

In order to achieve the object of the present invention, the present invention provides a point code pattern and a dot code group pattern of an information-providable radius coding type as described in claims 1 and 4.

In order to achieve another object of the present invention, the present invention provides an image processing apparatus for processing a dot code pattern of a radius coding type as described in claim 7.

In order for the reviewing committee to have a deeper understanding and understanding of the structure, features and efficacy of the present invention, the preferred embodiments are described in detail below with reference to the drawings:

The invention is characterized in that the relative distance between the information mark and each positioning mark is used as the information amount. The third figure shows the structure of the dot code pattern of the radius coded type in which the present invention can provide information, and the fourth figure shows the information mark coding mode of the dot code pattern of the radius coded type in which the present invention can provide information. The dot pattern 20 of the present invention includes: at least one or more positioning marks 201 _N (N is an integer greater than 0, N=1, 2, 3, ...), at least one or more of the virtual concentric circles 203N, and at least More than one information mark 205 _M (M is an integer greater than 0, M = 1, 2, 3, ...), which are respectively described below. Each virtual concentric circle group 203N includes at least one or more virtual concentric circles 203N _n (n is an integer greater than 0, n=1, 2, 3, . . . ), and all virtualities belonging to the same virtual concentric circle group 203N The concentric circle 203N _n is the center of the corresponding positioning symbol 201 _N . The dot pattern 20 of the third figure is taken as an example. The dot code pattern 20 includes three positioning marks 201 ₁ , 201 ₂ , 201 ₃ , three virtual concentric circles 2031, 2032, 2033, and three information marks 205 ₁ , 205 ₂ , 205 ₃ . The virtual concentric circle group 2031 corresponds to the positioning mark 201 ₁ , the virtual concentric circle group 2032 corresponds to the positioning mark 201 ₂ , and the virtual concentric circle group 2033 corresponds to the positioning mark 201 ₃ . The virtual concentric circle group 2031 includes a virtual concentric circle 2031 ₁ and a virtual concentric circle 2031 ₂ , and the virtual concentric circle 2031 ₁ and the virtual concentric circle 2031 ₂ are centered on the positioning symbol 201 ₁ . The virtual concentric circle group 2032 includes a virtual concentric circle 2032 ₁ and a virtual concentric circle 2032 ₂ , and the virtual concentric circle 2032 ₁ and the virtual concentric circle 2032 ₂ are centered on the positioning symbol 201 ₂ . The virtual concentric circle group 2033 includes a virtual concentric circle 2033 ₁ and a virtual concentric circle 2033 ₂ , and the virtual concentric circle 2033 ₁ and the virtual concentric circle 2033 ₂ are centered on the positioning symbol 201 ₃ .

The number of virtual concentric circles 203N _n of the virtual concentric circle group 203N is not limited. The respective radii of the respective virtual concentric circles 203N _n of the virtual concentric circle group 203N are the same lengths of the respective radii of the respective virtual concentric circles 203N _n corresponding to the other virtual concentric circle groups 203N. The number of positioning marks 201 _N is not limited. The number of virtual concentric circles 203N and the number of positioning marks 201 _N are determined in accordance with various applications of the dot pattern 20 .

Referring to the fourth figure, the eight virtual concentric circles are centered on the positioning mark 201, and the eight virtual concentric circles belong to a virtual concentric circle group. In the fourth figure, for the convenience of explanation, the eight virtual concentric circles are respectively attached to "000", "0001", "010", "011", "100", "101", "110", "111" and other codes to indicate. The eight information marks 205 ₁ ~ 205 ₈ are respectively disposed on the circumference of eight virtual concentric circles, and the information represented by each information mark 205 ₁ ~ 205 ₈ is related to the radius of the virtual concentric circle where the information mark is located. The information represented by the information mark 205 ₁ located in the innermost circle of the inner circle is "000", and the information represented by the information marks 205 ₂ ~ 205 ₈ in the outer circle is "0001, "010", "011" respectively. , "100", "101", "110", "111".

Referring to the fifth figure, the information symbol 205 ₁ is a circle disposed on the virtual concentric circle 2031 ₆ (note: the virtual concentric circle 2031 ₆ is labeled "101" and belongs to the virtual concentric circle group 2031), and the virtual concentric circle 2032 ₈ ( Note: The virtual concentric circle 2031 ₆ is marked as "111" and belongs to the circumference of the virtual concentric circle group 2032) and the virtual concentric circle 2033 ₃ (Note: the virtual concentric circle 2033 ₃ is marked as "010" and belongs to the virtual concentric circle. The circle 2033 is surrounded by three circular intersections. Therefore, the information represented by the information mark 205 ₁ can be represented by (101, 111, 010). Similarly, the information represented by the information marks 205 ₂ and 205 ₃ can be expressed by (011, 011, 111) and (111, 011, 111) respectively.

Sixth A and B diagrams show other examples of dot code patterns of the radius coding type that the present invention can provide. In the sixth drawing, all the marks 201, 205 of the dot pattern 20 of the present invention are disposed within a square area 20a. In the sixth panel B, all of the marks 201, 205 of the dot pattern of the present invention are disposed within a hexagonal region 20a. The positioning marks 201 may be respectively disposed at boundaries (for example, corners) of the area 20a, and the information marks 205 may be disposed inside the area 20a, and preferably by the positioning marks 201. The inner position enclosed.

In the sixth A picture, since the dot code pattern 20 has four positioning marks 201, the information represented by each of the information marks 205 is at most four dimensions (Dimension). Taking the information mark 205 ₁ of the fifth figure as an example, the information represented by the information mark 205 _{1 of} the fifth figure is (101, 111, 010), and all the information marks 205 ₁ ~ 205 _{3 of the} fifth figure are in the amount of information. The extent is up to three dimensions.

In the sixth B diagram, since the dot code pattern 20 has six positioning marks 201, the information represented by each of the information marks 205 is at most six-dimensional in the amount of information. Compared to the sixth A picture, due to the point of the sixth B picture The code pattern 20 has a large number of positioning marks 201, so that a large amount of information can be expressed.

The seventh figure shows a schematic diagram of a dot code group pattern of a radius-encoded version of the present invention. The dot code group pattern 30 of the radius-encoded type of the present invention is composed of a plurality of dot code patterns 20, and the structure of the dot pattern 20 is not repeated here. The dot code patterns 20 are arranged adjacent to each other and arranged in a dot code group pattern 30.

The eighth figure shows the architecture of the image processing apparatus of the dot code pattern and the dot code group pattern of the radius coding type of the present invention. The image processing device 40 of the present invention is for processing the dot code pattern 20 and the dot code group pattern 30 of the present invention, and outputs signals corresponding to the information represented by all the information marks 205 of the dot code pattern 20 and the dot code group pattern 30. The image processing device 40 includes a first device 401 and a second device 403, respectively, which are described below. The first device 401 is for optically reading the dot code pattern 20 or the dot code group pattern 30, for example, reading the dot code pattern 20 of the sixth A, B picture and the dot code group pattern 30 of the seventh figure, and is used for The optically read dot code pattern 20 or the dot code group pattern 30 is converted into a corresponding digital signal. The second device 403 is connected to the first device 401. The second device 403 is configured to process the digital signal, and output a signal corresponding to the information represented by all the information marks 205 of the dot code pattern 20 and the dot code group pattern 30. The specific components of the first device 401 may employ at least a CCD photographic image element, and the specific components of the second device 403 may employ components including at least a digital processor (DSP). Due to this All the positioning marks 201 of the dot code pattern 20 of the invention, all the information marks 205, and the virtual concentric circles of all the virtual concentric circles are set according to a predetermined rule, and therefore, the digital processor (DSP) executes the conventional knowledge. Related image processing techniques, and all of the positioning marks 201 and all information marks 205 are distinguished. Then, the digital processor (DSP) executes the conventional image processing technique according to the radius distance of each information symbol 205 and each of the anchor points 201, and can determine the information represented by the information symbol 205.

The dot code pattern and the dot code group pattern of the present invention are the information encoding manners of the information marks and the radial distances of the respective positioning marks as the information marks, and at the same time, the present invention can be in accordance with the information to be represented by the information marks. To the extent that the number of positioning marks is adjusted to meet the demand for the information to be represented by the information marks is the progress of the invention.

However, the above-mentioned preferred embodiments of the present invention are not intended to limit the scope of the present invention, and those skilled in the art can clearly make changes and modifications. The substance of the invention.

10‧‧‧French dot pattern

10a‧‧‧ mark

20‧‧‧ dot pattern

20a‧‧‧Area

201‧‧‧ Positioning marks

205‧‧‧Information marks

30‧‧‧ point code group pattern

40‧‧‧Image processing device

401‧‧‧ first device

403‧‧‧second device

2031~2033‧‧‧Virtual Concentric Circles

2031 ₁ ~ 2031 ₂ ‧‧‧Virtual concentric circles

2032 ₁ ~ 2032 ₂ ‧‧‧Virtual concentric circles

2033 ₁ ~ 2033 ₂ ‧‧‧Virtual concentric circles

The first figure shows an example of a conventional dot pattern.

2A to 2D to FIG. 2 are diagrams showing the coding of the representative information of the first dot conventional dot code pattern.

The third figure shows the structure of a dot code pattern of the radius coding type in which the present invention can provide information.

The fourth figure shows the information mark coding mode of the dot code pattern of the radius coding type of the present invention.

The fifth figure shows an example of encoding of a dot code pattern of a radius-encoded version of the present invention.

Sixth A and B diagrams show other examples of dot code patterns of the radius coding type that the present invention can provide.

The seventh figure shows a schematic diagram of a dot code group pattern of a radius-encoded version of the present invention.

The eighth figure shows the architecture of the image processing apparatus of the dot code pattern and the dot code group pattern of the radius coding type of the present invention.

20‧‧‧ dot pattern

201 ₁ ~ ₃ ‧‧‧ Positioning marks

205 ₁ ~ ₃ ‧‧‧Information marks

2031~2033‧‧‧Virtual Concentric Circles

2031 ₁ ~ 2031 ₂ ‧‧‧Virtual concentric circles

2032 ₁ ~ 2032 ₂ ‧‧‧Virtual concentric circles

2033 ₁ ~ 2033 ₂ ‧‧‧Virtual concentric circles

Claims (3)

An image processing apparatus for processing a dot code pattern of a density coded pattern, the image processing apparatus comprising: a first device for optically reading the dot code pattern and/or the dot code group pattern, and for The dot code pattern and/or the dot code group pattern after optical reading is converted into a corresponding digital signal, wherein the dot code group pattern includes at least one of the dot code patterns, and each dot code pattern comprises: At least one or more positioning marks, wherein each of the positioning marks respectively corresponds to a virtual concentric circle group; at least one of the virtual concentric circle groups, wherein each virtual concentric circle group respectively has the corresponding positioning mark as a center And each virtual concentric circle system includes at least one or more virtual concentric circles; at least one or more information marks are respectively disposed on a virtual circumference of one of the virtual concentric circles to which the virtual concentric circular group belongs, wherein the mark The information represented is related to the radius of the virtual concentric circles of the virtual concentric circles in which the information marks are located, and the same radius is substituted. The information is the same, the information represented by the different radii is different; a second device is connected to the first device for processing the digital signal, and the output corresponds to each of the dot code pattern and/or the dot code group pattern. The signal of the information represented by the information token. The image processing device of claim 1, wherein the positioning marks and the information marks are disposed in an area. The image processing device of claim 2, wherein the positioning marks are respectively disposed at a margin of the region.