CN101727595B - Dot code pattern and dot code group pattern and its image processing circuit - Google Patents
Dot code pattern and dot code group pattern and its image processing circuit Download PDFInfo
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- CN101727595B CN101727595B CN200810161887A CN200810161887A CN101727595B CN 101727595 B CN101727595 B CN 101727595B CN 200810161887 A CN200810161887 A CN 200810161887A CN 200810161887 A CN200810161887 A CN 200810161887A CN 101727595 B CN101727595 B CN 101727595B
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Abstract
The invention discloses a point code pattern and a point code group pattern which can provide density coding type of information, and can improve the information quantity on the premise of small mark density. The dot code pattern includes: the first virtual grid points form a plurality of first areas, the first areas comprise a plurality of second virtual grid points, and a plurality of second areas are formed; and the marks are respectively arranged in one second area in each first area, wherein the information represented by the marks is related to the position of the second area where the marks are positioned and the direction of the marks relative to the center of the second area where the marks are positioned.
Description
Technical field
The present invention relates to a kind of point code pattern and point code group pattern, particularly about a kind of point code pattern and point code group pattern that the density coding kenel of information is provided.
Background technology
Known skill relevant for point code pattern and point code group pattern; Can open 2007-11890, U.S. patent of invention publication number US2007/026547, U.S. patent of invention US6 from Japanese patent of invention publication number spy; 548,768, U.S.'s patent of invention publication number US2003/011164, U.S. patent of invention publication number US2006/0007255 etc. obtain to understand.
Fig. 1 shows the example of known point code pattern.Known point code pattern 10 is to remove the practical position point fully, and the relative pass that changes by mark (Mark) 10a is a form of finding out virtual anchor point.Fig. 2 A Fig. 2 D is to the coding synoptic diagram of its representative information of mark of scheming displayed map 1 known point code pattern.In Fig. 2 A, mark 10a is the top that is positioned at virtual center 10b, then being encoded to of the representative information of mark 10a " 00 ".In the 2nd B figure, mark 10a is the right side that is positioned at virtual center 10b, then being encoded to of the representative information of mark 10a " 01 ".In the 2nd C figure, mark 10a is the below that is positioned at virtual center 10b, then being encoded to of the representative information of mark 10a " 10 ".In Fig. 2 D, mark 10a is the left side that is positioned at virtual center 10b, then being encoded to of the representative information of mark 10a " 11 ".
Inventor of the present invention because the known cloth coding mode of known point code pattern the quantity of information that can represent still have the necessity of lifting; Thereby urgently think invention and improve a kind of point code pattern and point code group pattern that the density coding kenel of information is provided; Under the little prerequisite of mark density, make quantity of information to promote.
Summary of the invention
The purpose of this invention is to provide a kind of point code pattern of density coding kenel and image-processing circuit of point code group pattern of being used for; Comprise: one first device; Be to be used for optically read this point code pattern and/or this point code group pattern, and be to be used for converting this point code pattern after optically read and/or this point code group pattern to corresponding digital signal that wherein this point code group pattern is this point code pattern that comprises at least more than one; And each point code pattern comprises: a plurality of first virtual lattice point; Be to form a plurality of first areas, this first area comprises a plurality of second virtual lattice point, and forms a plurality of second areas; A plurality of marks; Be one of to lay respectively at respectively in this first area in this second area; Wherein the information of this mark representative is relevant with respect to the direction at this second area center at its place with seating position and this mark of this second area in this affiliated first area at this mark place;
One second device is to be connected in this first device, and is used to handle this digital signal, and output is corresponding to the signal of the information of each mark representative of this point code pattern and/or this point code group pattern.
A kind of point code pattern and the point code group pattern of providing of the present invention; This parameter of mark density is added and the coded data that becomes the information representation of mark one of is formed; Under the little prerequisite of mark density; The quantity of information that point code pattern of the present invention and point code group pattern can represent is come manyly more than known point code pattern.
Description of drawings
Fig. 1 shows the example of known point code pattern.
The coding synoptic diagram of its representative information of mark of Fig. 2 A to Fig. 2 D displayed map 1 known point code pattern.
Fig. 3 shows that the present invention can provide the example of point code pattern of the density coding kenel of information.
Fig. 4 shows that the present invention can provide its coding of mark of point code pattern of the density coding kenel of information to form synoptic diagram.
Fig. 5 A Fig. 5 D to Fig. 5 D shows the first coding data synoptic diagram of its representative information of mark of point code pattern of the present invention.
Fig. 6 A to Fig. 6 D shows the second coded data synoptic diagram of its representative information of mark of point code pattern of the present invention.
Fig. 7 shows that the present invention can provide the variation example of point code pattern of the density coding kenel of information.
Fig. 8 shows that the present invention can provide the synoptic diagram of point code group pattern of the density coding kenel of information.
Fig. 9 shows a plurality of point code group patterns arrangements of the present invention synoptic diagram together.
Figure 10 shows that the present invention can provide the configuration diagram of image-processing circuit of point code pattern and point code group pattern of the density coding kenel of information.
Symbol description
10 known point code pattern 10a marks
3 point code group patterns, 20 point code patterns
21 first virtual lattice point 23 second virtual lattice points
23 ' second area center, 201 marks
201a first coding data 201b second coded data
203 first areas, 2031 second areas
2031a～2031d second area 4 image-processing circuits
41 first devices, 43 second devices
Embodiment
Explain that at first the present invention can provide point code pattern and the advantage of point code group pattern of the density coding kenel of information.In order to reduce visual impact to the user; The expression-form of known point code pattern is the trend little with mark (Mark) density, that visual range is greatly recent; But because the little result of mark density of known point code pattern; Incident negative results be quantitative the reducing of mark that can cause under the unit area, and the quantity of information that makes it possible to show can diminish simultaneously.Point code pattern of the present invention and point code group pattern are this parameter with mark density; The coded data that adds and become the information representation of mark one of is formed; Therefore, though, under the little prerequisite of mark density; The quantity of information that point code pattern of the present invention and point code group pattern can represent is come manyly more than known point code pattern.
Fig. 3 shows that the present invention can provide the example of point code pattern of the density coding kenel of information.It is to comprise that the present invention can provide the point code pattern 20 of the density coding kenel of information: a plurality of first virtual lattice point 21 and a plurality of mark 201.The a plurality of first virtual lattice point 21 is to form a plurality of first areas 203.Each first area 203 comprises a plurality of second virtual lattice point 23, and a plurality of second virtual lattice point 23 is to form a plurality of second areas 2031.A plurality of marks 201 are one of to be arranged at respectively in each first area 203 in the second area 2031.The information of mark 201 representatives is relevant with respect to the direction at second area 2031 centers at its place with second area 2031 positions and this mark 201 at these mark 201 places.
In Fig. 3,16 first virtual lattice points 21 are to form 16 first areas 203, and each first area 203 comprises 4 second virtual lattice points 23.One second virtual lattice point 23 is to form a second area 2031, and therefore, each first area 203 comprises 4 second areas 2031.Contrast in Fig. 1, though within first area 203 scopes of correspondence, each mark 20 last actual arrangement position was the original positions that are different from known point code pattern under the layout scope of each mark 201 of Fig. 3 still was located at.
The present invention is arranged in those second areas 2031 again with those marks 201.It is originally in place that 203 mark 201 is not displaced to other first area 203 in the first area; Remain and be arranged in 203 scopes of the former first area that belongs to, but this mark 201 is changed one's profession to be arranged in former one of them second area 2031 that belongs to first area 203.
Fig. 4 shows that the present invention can provide its coding of mark of point code pattern and point code group pattern of the density coding kenel of information to form synoptic diagram.Its coding of the representative information of mark 201 is formed and is comprised the first coding data 201a and the second coded data 201b.
To be second area 2031 its positions of depending on mark 201 place determine in the relevant seated position of affiliated first area 203 encoded content of first coding data 201a.See also the 5th A to Fig. 5 D.The mark 201 of Fig. 5 A is to be arranged in second area 2031a; And second area 2031a is the upper left corner that is positioned at its affiliated first area 203, and therefore, the first coding data 201a of mark 201 is " 00 "; The coded data of mark 201 is " 00XX ", and wherein " XX " is the second coded data 201b.The mark 201 of the 5th B figure is to be arranged in second area 2031b; And second area 2031b is the upper right corner that is positioned at its affiliated first area 203, and therefore, the first coding data of mark 201 is " 01 "; The coded data of mark 201 is " 01XX ", and wherein " XX " is the second coded data 201b.The mark 201 of the 5th C figure is to be arranged in second area 2031c; And second area 2031c is the lower left corner that is positioned at its affiliated first area 203, and therefore, second coded data of mark 201 is " 10 "; The coded data of mark 201 is " 10XX ", and wherein " XX " is the second coded data 201b.The mark 201 of Fig. 5 D is to be arranged in second area 2031d; And second area 2031d is the lower right corner that is positioned at its affiliated first area 203, and therefore, the first coding data of mark 201 is " 11 "; The coded data of mark 201 is " 11XX ", and wherein " XX " is the second coded data 201b.
The encoded content of the second coded data 201b is to depend on that mark 201 is with respect to the direction at second area 2031 centers at its place and determine.Each second virtual lattice point 23 can virtually become the center of pairing second area 2031.See also Fig. 6 A to Fig. 6 D.The mark 201 of Fig. 6 A is the top directions that are arranged in second area center 23 ', and therefore, the second coded data 201b of mark 201 is " 00 ", and the coded data of mark 201 is " XX00 ", and wherein " XX " is first coding data 201a.The mark 201 of Fig. 6 B is the right directions that are arranged in second area center 23 ', and therefore, the second coded data 201b of mark 201 is " 01 ", and the coded data of mark 201 is " XX01 ", and wherein " XX " is first coding data 201a.The mark 201 of the 6th C figure is the left directions that are arranged in second area center 23 ', and therefore, the second coded data 201b of mark 201 is " 10 ", and the coded data of mark 201 is " XX10 ", and wherein " XX " is first coding data 201a.The mark 201 of Fig. 6 D is the below directions that are arranged in second area center 23 ', and therefore, the second coded data 201b of mark 201 is " 11 ", and the coded data of mark 201 is " XX11 ", and wherein " XX " is first coding data 201a.
The known point code pattern 10 of Fig. 1 is schemed both with the point code pattern of the present invention 20 of Fig. 3; All in zone of the same area, place 16 mark 10a, 201 of equal number; Therefore; Both all have the same code dot density known point code pattern 10 and point code pattern of the present invention 20, yet the information combination of known point code pattern 10 is merely 4^16 kind (being 4294967296 kinds of codings); The information combination of point code pattern 20 of the present invention is 16^16 kind (being 18446744073709551616 kinds of codings) because add density coding so information combination can promote.
Fig. 7 shows that the present invention can provide the variation example of point code pattern of the density coding kenel of information.Not not existing together between the variation example of the example of this key diagram 3 and Fig. 7.In Fig. 3,4 second areas 2031 of first area 203 are to carry out the square arrangement mode.Please contrast each other in Fig. 3, Fig. 7, in Fig. 7,4 second areas 2031 of first area 203 are to carry out horizontal linear formula arrangement mode.
Fig. 8 shows that the present invention can provide the synoptic diagram of point code group pattern of the density coding kenel of information.The point code group pattern 3 of the density coding kenel of information that provides of the present invention is made up of 20 of a plurality of point code patterns, in the structure of this no longer heavily superfluous point code pattern 20.Those point code patterns 20 are to arrange together adjacent to each other, and are arranged in a point code group pattern 3.See also Fig. 9, certainly, a plurality of point code group patterns 3 also can be arranged together adjacent to each other.
Figure 10 shows that the present invention can provide the configuration diagram of image-processing circuit of point code pattern and point code group pattern of the density coding kenel of information.Image-processing circuit 4 is to be used for handling point code pattern 20 of the present invention and point code group pattern 3, and output is corresponding to the signal of point code pattern 20 with the information of institute's markedness 201 representatives of point code group pattern 3.Image-processing circuit 4 comprises: first device, 41 and second device 43, the following interior literary composition of explanation respectively.First device 41 is to be used for optically read point code pattern 2 or point code group pattern 3; For example read the point code pattern 20 and point code group pattern 3 of Fig. 3, Fig. 8 and Fig. 9, and be to be used for converting point code pattern after optically read 20 or point code group pattern 3 to corresponding digital signal.Second device 43 is that to be connected in first device, 41, the second devices 43 be to be used to handle this digital signal, and output is corresponding to the signal of point code pattern 20 with institute's markedness 201 representative information of point code group pattern 3.The concrete assembly of first device 41 can adopt and comprise CCD photographic image assembly at least, and the concrete assembly of second device 43 can adopt the assembly that comprises digital processing unit (DSP) at least.Owing to institute's markedness 201 of point code pattern 20 of the present invention, all first virtual lattice points 21, all second virtual lattice points 23 are to be provided with according to pre-defined rule; Therefore; Digital processing unit (DSP) is to carry out known coherent video to handle skill; And those first virtual lattice points 21, those second virtual lattice points 23 and those marks 201 are differentiated out; Then; Digital processing unit (DSP) is carried out known coherent video and is handled skill according to each mark 201 and the corresponding first virtual lattice point 21 and the relevance between second virtual lattice point 23 threes, can determine second area 2031 positions that this mark 201 belongs to and this mark 201 direction with respect to the second area center 23 ' at its place, and determines the information of these mark 201 representatives.
Point code pattern and the point code group pattern that the present invention adopts the density coding kenel adds this parameter of mark density; And the coded data that becomes the information representation of mark one of is formed; Though under the little prerequisite of mark density; The quantity of information that point code pattern of the present invention and point code group pattern can represent is come manyly more than known point code pattern, is be progress of the present invention place.
But the above content is merely preferred embodiment of the present invention, when can not be in order to limiting the enforceable scope of the present invention, allly is familiar with obviously can doing to change and modifying in the present technique personage, all should be encompassed within the scope that claim of the present invention protects.
Claims (1)
1. an image-processing circuit of handling the point code pattern of density coding kenel is characterized in that, this image-processing circuit comprises:
One first device; Be to be used for optically read this point code pattern and/or this point code group pattern; And be to be used for converting this point code pattern after optically read and/or this point code group pattern to corresponding digital signal; Wherein this point code group pattern is this point code pattern that comprises at least more than one, and each point code pattern comprises:
The a plurality of first virtual lattice point is to form a plurality of first areas, and this first area comprises a plurality of second virtual lattice point, and forms a plurality of second areas;
A plurality of marks; Be one of to lay respectively at respectively in this first area in this second area; Only there is this mark in each this first area; Wherein the information of this mark representative is relevant with respect to the direction at this second area center at its place with seating position and this mark of this second area in this affiliated first area at this mark place;
One second device is to be connected in this first device, and is used to handle this digital signal, and output is corresponding to the signal of the information of each mark representative of this point code pattern and/or this point code group pattern.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810161887A CN101727595B (en) | 2008-10-13 | 2008-10-13 | Dot code pattern and dot code group pattern and its image processing circuit |
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| CN200810161887A CN101727595B (en) | 2008-10-13 | 2008-10-13 | Dot code pattern and dot code group pattern and its image processing circuit |
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| CN101727595A CN101727595A (en) | 2010-06-09 |
| CN101727595B true CN101727595B (en) | 2012-09-26 |
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| CN102013223A (en) * | 2010-11-30 | 2011-04-13 | 孙大朋 | Newspaper with multi-media function and realization method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101213564A (en) * | 2005-07-01 | 2008-07-02 | 格瑞德Ippte有限公司 | Dot pattern |
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| CN101213564A (en) * | 2005-07-01 | 2008-07-02 | 格瑞德Ippte有限公司 | Dot pattern |
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| 第14页倒数第1段 |
| 附图1,7. |
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