CN101729976B - Code generating method suitable for Internet access through mobile phone photograph - Google Patents
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Abstract
The invention relates to a code generating method suitable for Internet access through a mobile phone photograph in the field of information processing, which comprises the processing steps of: photographing two-dimensional macro codes by using a photographic objective of a mobile phone, recognizing code values of the two-dimensional macro codes, and automatically accessing the Internet to download related data according to mobile phone website addresses expressed by the code values. The code generating method solves the problem of the access of a wireless application protocol, so that the mobile phone can access the Internet conveniently, and shopping online is promoted. The code generating method can realize print multimedia, can form a multimedia system of education, entertainment and the like, and also can recognize the true and false of brand-name products. The method has the characteristics of low import cost and convenient popularization.
Description
Technical field
The invention belongs to a kind of code generating method that is suitable for Internet access through mobile phone photograph download multi-medium data in field of wireless communication.
Background technology
Add up by the end of the year 2008 according to international electrical communication Colaesce (ITU), cellphone subscriber's signing quantity only China, three national sums of India and the U.S. are with regard to more than ten hundred million.The quantity that mobile phone is produced is that straight line rises always, and therefore the value-added services businesses of mobile phone are also the focuses attracting people's attention.Here expand an important technological means of mobile phone value-added service, solve exactly the Web portal problem of mobile phone, how simply to make mobile phone direct interconnection network.
Solve the Web portal problem of mobile phone, just there was the patent application that is entitled as " information service (feelings Reported provides サ mono-PVC ス) is provided " (patent documentation 1) in Japan as far back as 2000, propose directly to take two-dimensional bar code, the motion that can directly surf the Net with the camera function of mobile phone.This motion extremely mobile phone manufacturer must be paid close attention to, and to the mobile phone of selling in Japan for 2005, has almost all carried and has taken the directly function of online of two-dimensional bar code.And only, within half a year, mobile phone is taken two-dimensional bar code and is directly surfed the Net this function just by universal.
After this, the technology of taking the direct online of two-dimensional bar code with regard to mobile phone has had again some improved patent applications, for example Japanese famous Sharp Corp also applied for being entitled as in 2007: the patented invention content of " mobile phone terminal device and information fetch program thereof (carry window machine and び Qing Reported Reading and get プ ロ グ ラ system) " (patent documentation 2), propose operation simpler, made to identify the higher method of discrimination of two-dimensional bar code.But, due to two-dimensional bar code self just exist not attractive in appearance, can not directly pass through the certain commercial content of visual expression, do not there is the problems such as aesthstic intention.Therefore, although improving constantly of the recognition technology of mobile phone to two-dimensional bar code can't resolve the root problem of two-dimensional bar code.
Recently, user is not attractive in appearance for two-dimensional bar code, the problems such as can not direct representation certain commercial content, can proposition directly become the trade mark of commodity or enterprise into two-dimensional bar code, for adapting to user's requirement, in 2007, someone proposed again in Japan: the patent application of " with brand-name two-dimensional bar code (ロ go pays I Quadratic Finite Element コ mono-De) " (patent documentation 3), makes mobile phone take login technique and promoted a grade.
But, be only one and remedy scheme, first this scheme is the pattern of trade mark of superposeing on the dot matrix of two-dimensional bar code, the position and the printing area that distribute due to the dot matrix of two-dimensional bar code are according to the difference of code value and random appearance, the serious distortion that therefore can cause pictorial trademark, affects aesthstic intention.
Have again, this scheme also proposes to absorb with having the two-dimensional bar code that ultrared black ink prints off, again on two-dimensional bar code, with infrared ray transparent color ink printing trade mark, change the camera lens of mobile phone photograph into infrared ray camera lens, like this, even if be printed with trade mark, the image of the two-dimensional bar code to infrared ray absorbing but mobile phone can only be taken pictures out, therefore can solve the problem that trade mark and two-dimensional bar code coexist.
But according to so a kind of scheme, mobile phone photograph two-dimensional bar code just can not be put together with common mobile phone camera function, thereby has improved the cost of manufacture of mobile phone, affect the universal of Internet access through mobile phone photograph.In addition, print trade mark with specialty inks, also cause the raising of printing cost, its result is also unfavorable for the universal of this technology.
[patent documentation 1] JP 2002-111909
[patent documentation 2] JP 2007-242028
[patent documentation 3] JP 2007-276402
Summary of the invention
First object of the present invention is to overcome the deficiencies in the prior art, a kind of metastable distributing position that has that mobile phone takes pictures with camera function that is suitable for is proposed, and macroscopical code that the trade mark of equivalent printing area overlaps with two-dimensional bar code forms scheme, make the brand-name two-dimensional bar code of being with printing out, there is aesthstic intention.Do not affect the accuracy of identification of mobile phone simultaneously.
Second object of the present invention is, propose to install the reading camera lens of a fixed focal length on mobile phone, the microcosmic code that utilizes reading camera lens to read to be embedded in printing images, and the formation scheme of microcosmic code, can not reduce the picture quality of printing images.
The 3rd object of the present invention is to propose by mobile phone photograph macroscopic view code, multi-medium data is downloaded in online, use again after the printing images that the reading of reading camera lens is relevant, automatically play the constructive method of the printing multimedia system towards mobile phone application of the content of multimedia with respect to this printing images after downloading.Thereby promote mobile phone value-added service industry, the industries such as printing multimedia industry and advertisement flourish.
The present invention solves its technical problem and takes following technical scheme to realize:
A code generating method that is suitable for Internet access through mobile phone photograph, is characterized in that:
(1) take pictures and be printed on Two dimensional Distribution information recording on print media macroscopic view code and have with mobile phone camera camera lens: the printing area in the time representing any information is much larger than the long-pending feature of information point front;
(2) take pictures and be printed on Two dimensional Distribution information recording on print media macroscopic view code and also have with mobile phone camera camera lens: the printing area while representing any information is consistent feature;
(3) take pictures and be printed on Two dimensional Distribution information recording on print media macroscopic view code and also have with mobile phone camera camera lens: consider printing area rate, and the maximized feature of information recording rate;
(4) take pictures and be printed on Two dimensional Distribution information recording on print media macroscopic view code and have with mobile phone camera camera lens: dot matrix area is retained or the gray value of dot matrix is reduced to the minimum gradation value that is less than the pattern of imbedding object; By the printing area of this code with comprise trade mark, image or figure overlap at interior a kind of pattern of imbedding object; Maybe by the printing area of this code with comprise trade mark, image or figure at the CMYK of interior a kind of pattern of imbedding object the color more than any one replace; Or utilize the visual characteristic that human eye is lower to the recognition capability of gradation of image, the different gray values by change dot matrix area from printing area; Thereby reach the feature that wherein a kind of method forms of the object of information recording.
And described Two dimensional Distribution information recording macroscopic view code is that the dot matrix of the geometry form by distributing including different distribution of shapes, different directions, different dot matrix size distribution and different position distribution distributes.
And described Two dimensional Distribution information recording macroscopic view code is by comprising that different grey value profile, different frequency distribution, the different directions of propagation distribute, different modulation result distributes, different mechanical characteristics distributes and the dot matrix of the physics form of different phase-modulations in being distributed in distributes.
And, common two-dimensional bar code also can be according to above-mentioned consideration printing area rate, and the constructive method of the maximized macroscopical code of information recording rate, reaches the object embedding in printing images.
Accompanying drawing explanation
Fig. 1 is the flow chart (a) of Internet access through mobile phone photograph downloading data method, and the flow chart (b) of mobile phone reading player method;
Fig. 2 is the schematic diagram of realizing printing multimedia system with mobile phone;
Fig. 3 is a kind of form schematic diagram of binary message macroscopic view code;
Fig. 4 is a kind of form schematic diagram of quaternary information macroscopic view code;
Fig. 5 is a kind of form schematic diagram of senary information macroscopic view code;
Fig. 6 is a kind of form schematic diagram of octal system information macroscopic view code;
An example in trade mark imbedded by quaternary information macroscopic view code by Fig. 7;
An example in trade mark imbedded by octal system information macroscopic view code by Fig. 8;
An example in image imbedded by quaternary information macroscopic view code by Fig. 9;
An example in image imbedded by octal system information macroscopic view code by Figure 10;
Figure 11 is the schematic diagram that utilizes the different gray scale information of carrying out to imbed;
Figure 12 is the schematic diagram that utilizes the different colours information of carrying out to imbed;
Figure 13 is a kind of form schematic diagram that binary message microcosmic is seen code;
Figure 14 is quaternary information microcosmic sight code carrys out recorded information schematic diagram by lattice position difference;
Figure 15 is senary information microcosmic sight code carrys out recorded information schematic diagram by lattice position difference;
Figure 16 is octal system information microcosmic sight code carrys out recorded information schematic diagram by lattice position difference;
Figure 17 is the microcosmic code schematic diagram of the form performance of two-dimensional linear and nonlinear lattices distribution;
Figure 18 is the intention of the distribution example of a benchmark dot matrix;
Figure 19 is the anti-false trademark that adopts microcosmic code technique and holographic technique to make;
Figure 20 is the schematic diagram of a characteristic converting between RGB color and CMYK color.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described, but embodiment of the present invention is illustrative, rather than determinate.
Macroscopical code described in the present invention, refers to the message code that imageing sensor can be distinguished the in the situation that of on-fixed focal length.Described microcosmic code, refers to that imageing sensor is the in the situation that of fixed focal length, the message code that can read with enough multiplication factors.
So-called grand territory refers to the macroscopical code for on-fixed focal length, can represent the region of bit information more than.It is the least unit after grand territory is cut apart that so-called grand territory is cut apart, grand territory cut apart also can presentation video transducer in the situation that of on-fixed focal length, the minimum area that can read.In the time that each grand territory of ordinary two dimensional bar code only represents the information of a bit, this grand territory does not exist grand territory to cut apart or this grand territory equals a grand territory and cuts apart.
So-called pixel is the least unit of composing images, and so-called site is and the corresponding printing screen of the pixel least unit of the least unit of composing images that the least unit point that site can be printed by printing equipment forms.
So-called micro-territory refers to the microcosmic code for fixed focal length, can represent the region of bit information more than.It is the least unit after micro-territory is cut apart that so-called micro-territory is cut apart, micro-territory cut apart also can presentation video transducer in the situation that of fixed focal length, the minimum area that can read.Micro-territory, in printing screen theory, is the size area of printing screen site, and the size that is equivalent to a point that forms screen site is cut apart in a micro-territory.
So-called information recording efficiency refers to the ratio of amount of information with the maximum recordable amount of information in this region of physical record on print media.
So-called printing area rate refers on print media to be the actual area that will print of recorded information and the ratio of this region maximum area.
Fig. 1 is the flow chart of Internet access through mobile phone photograph downloading data method, and the flow chart of mobile phone reading player method.
The flow chart of Internet access through mobile phone photograph downloading data method is as shown in Fig. 1 (a), there is the imageing sensor of camera function with mobile phone, use the photographic film of mobile phone, aligning is printed on the image of the two dimension macroscopic view code on printed medium and takes, the image of code is become to DID, be sent to (S in the micro-chip processor of mobile phone
1).Here two-dimentional macroscopical code can be common two-dimensional bar code, for example PDF417 of current international popular, and DataMatrix, the two-dimensional bar codes such as QR Code, can be also novel macroscopical codes that the present invention proposes.
The image being sent in the micro-chip processor of mobile phone carries out binary conversion treatment, and identifies the code value (S of macroscopical code by pattern recognition program
2).The code value of macroscopic view code can be that online is downloaded, or the address of Website login, can be also the comparing result of two kinds of data, can also be content of next step operation etc.
At the operating procedure (S of code value
3) in, can automatically surf the Net according to the given network address of code value, data in download network perhaps in query web, or contrast to process and obtain a result with data or data on network in mobile phone, or carry out a certain operation etc. according to the content on the code value of macroscopical code or network.
The flow chart of mobile phone reading player method is as shown in Fig. 1 (b), on mobile phone, install the imageing sensor with read-on-command function of a fixed focal length additional, it is mobile phone reading camera lens, reading is printed on the printing images that is embedded with microcosmic code on print media, microcosmic code image is become to DID, be sent to equally (S in the micro-chip processor of mobile phone
1).The microcosmic code is here according to Ruili criterion, the code that can represent information data of the size printing that is difficult for observing with naked eyes.Also can be the message code being melted in the site of printing images.
The image being sent in the micro-chip processor of mobile phone carries out binary conversion treatment, and identifies the code value (S of microcosmic code by pattern recognition program
2).The code value of microcosmic code can be the retrieval coding of the map network downloading data that will show or play, and can be also the data of the uniqueness authentication of specific printing images, can be also ID for decoding etc.
At the step (S that shows or play related content
3) in, the data that can download from network according to microcosmic code value, find the data that will show or play, carry out the broadcasting of sound, image or figure.
Fig. 2 is the schematic diagram of realizing printing multimedia system with mobile phone.As shown in Figure 2, take the macroscopical code representing with image format including two-dimensional bar code with mobile phone, the network address indicating according to macroscopical code data online, downloads multi-medium data from network, or verify data, or next step action command.Read camera lens with the microcosmic code of mobile phone again and click the printing images being embedded with downloading contents relevant information, mobile phone can be play the content of multimedia of download, or prompting authentication result, or carries out the command action of downloading.
Fig. 3 is a kind of form of binary message macroscopic view code.Fig. 3 (a) expression information " 0 ", Fig. 3 (b) expression information " 1 ".Compare with traditional two-dimensional bar code, the printing area of this code in the time representing any information is consistent, on any one bit, all can print corresponding image.While avoiding on common two-dimensional bar code printing images, due to the variation of the information content, printing area is inconsistent, and randomly changing causes the image printing out to there will be larger random distribution, makes image seem very uncomfortable.The information recording efficiency of this code is 1/2 of ordinary two dimensional bar code, and the printing area rate of describing a bit information is also 1/2.These two parameters of information recording efficiency and printing area rate are to be the bigger the better.Information recording efficiency is larger, and the amount of information recording in printed medium is just larger, and same printing area rate is larger, and the distortion of the image printing out on code is just less.But, improve printing area and lost often information recording efficiency.The present invention provides an as far as possible little loss of information record efficiency, and the method for large as far as possible expansion printing area rate.
Fig. 4 is a kind of form of quaternary information macroscopic view code.Fig. 4 (a) expression information " 0 ", Fig. 3 (b) expression information " 1 ", Fig. 3 (C) expression information " 2 ", Fig. 3 (d) expression information " 3 ".Binary message macroscopic view code with Fig. 3 is compared, and the efficiency of information recording is 1/2 equally, but printing area rate can reach 3/4.
Fig. 5 is a kind of form of senary information macroscopic view code.Fig. 5 (a) expression information " 0 ", Fig. 5 (b) expression information " 1 ", Fig. 5 (c) expression information " 2 ", Fig. 5 (d) expression information " 3 ", Fig. 5 (e) expression information " 4 ", Fig. 5 (f) expression information " 5 ".The information recording rate of the senary information macroscopic view code shown in Fig. 5 is 0.4, and printing area rate is 5/6.Although printing area rate has significant effect, information recording rate obviously declines.
Fig. 6 is a kind of form of octal system information macroscopic view code.Fig. 6 (a) expression information " 0 ", Fig. 6 (b) expression information " 1 ", Fig. 6 (c) expression information " 2 ", Fig. 6 (d) expression information " 3 ", Fig. 6 (e) expression information " 4 ", Fig. 6 (f) expression information " 5 ", Fig. 6 (g) expression information " 6 ", Fig. 6 (h) expression information " 7 ", Fig. 6 (i) represents locating information.The information recording rate of the octal system information macroscopic view code shown in Fig. 6 is 0.33, and printing area rate is 8/9.Printing area rate is very high, but declines a lot with the same information recording rate of Fig. 5.Therefore, from the situation of information recording rate and the consideration of printing area rate, the code form of Fig. 4 can be adopted, the code form of Fig. 6 can be considered if emphasis is considered the quality of image.
The code of Fig. 4 is embedded to the example in trade mark by Fig. 7.As shown in Figure 7,701 is information dot matrix, and 702 is location dot matrix, and 703 is that main horizontal location dot matrix is capable, and 704 is main perpendicular positioning lattice array, and 705 is that secondary horizontal location dot matrix is capable, and 706 is secondary perpendicular positioning lattice array.The white dot matrix of Fig. 4 code is retained, and black part overlaps with the pattern of trade mark, image or figure etc., and can obtain can direct representation trade mark, macroscopical code of the pattern of image or figure etc.For the pattern of expression trade mark, image or figure etc. that more can be true to nature, white dot matrix part also can same trade mark, the pattern of image or figure etc. overlaps, and just gray value is less than the minimum gradation value of general pattern.
The code of Fig. 6 is embedded to the example in trade mark by Fig. 8.As shown in Figure 8,801 is information dot matrix, and 802 is location dot matrix, and 803 is that main horizontal location dot matrix is capable, and 804 is main perpendicular positioning lattice array, and 805 is that secondary horizontal location dot matrix is capable, and 806 is secondary perpendicular positioning lattice array.The white dot matrix of Fig. 6 code is retained, and black part overlaps with the pattern of trade mark, image or figure etc., and can obtain can direct representation trade mark, macroscopical code of the pattern of image or figure etc.For the pattern of expression trade mark, image or figure etc. that more can be true to nature, white dot matrix part also can same trade mark, the pattern of image or figure etc. overlaps, and just gray value is less than the minimum gradation value of general pattern.
The code of Fig. 4 is embedded to the example in image by Fig. 9.The white dot matrix of Fig. 4 code is extracted out, be transformed into yellow dot matrix.The yellow color component in the pattern of trade mark, image or figure etc. is removed again, then overlapped with yellow dot matrix, can obtain can direct representation trade mark, macroscopical code of the pattern of image or figure etc.
The code of Fig. 6 is embedded to the example in image by Figure 10.The white dot matrix of Fig. 6 code is extracted out, and being transformed into yellow is the code of the Y color dot matrix in CMYK tetra-looks.The yellow color component in the pattern of trade mark, image or figure etc. is removed again, then overlapped with yellow dot matrix, can obtain can direct representation trade mark, macroscopical code of the pattern of image or figure etc.In like manner, the white dot matrix of Fig. 6 code is extracted out, being transformed into blueness is the code of the C color dot matrix in CMYK tetra-looks, also the white dot matrix of Fig. 6 code can be extracted out, being transformed into pink is the code of the M color dot matrix in CMYK tetra-looks, also the white dot matrix of Fig. 6 code can be extracted out, being transformed into black is the code of the K color dot matrix in CMYK tetra-looks, now, the camera of mobile phone also can add infrared ray optical filtering camera lens, directly by infrared illumination, receive ultrared black and white image by camera, carrying out code identification can improve processing speed and can be used as the application in commodity counterfeit prevention field.
In the time of the colour switching of pattern of carrying out trade mark, image or figure etc., if this color component is greater than average color component, the black part of code can be carried out to overlapping processing as this color, if this color component is less than average color component, the white portion of code can be carried out to overlapping processing as this color.
Utilize the visual characteristic that human eye is lower to the recognition capability of gradation of image, the macroscopic view black part of code and the difference of white portion are as shown in figure 11, also can adopt the difference of gray scale to realize, the black part that is macroscopical code adopts the gray scale printing gray scale higher than white portion, also can adopt the gray scale printing gray scale lower than black part by spoken parts in an opera color part, thereby reach the object of information recording.On the contrary, also the black part of macroscopical code can be adopted to the gray scale printing gray scale lower than white portion, also can adopt the gray scale printing gray scale higher than black part by spoken parts in an opera color part, thereby reach the object of information recording.
As shown in figure 12, the colour switching of what Fig. 9 and Figure 10 proposed pass through message code and trade mark, image or figure reaches the method for the object that information imbeds, also be suitable for all two-dimensional bar codes including QR two-dimensional bar code or MD two-dimensional bar code, can reach the effect that information is imbedded by colour switching, can make two-dimensional bar code there is certain aesthetic property.
Introduce principle and the structure of the microcosmic code of the present invention's proposition below.Be defined as microcosmic code, consider that exactly the invisible numerical value of naked eyes that the lattice dimensions of its code generally calculates in Rayleigh criterion is below 0.1mm.
First, the two dimension macroscopic view code that Fig. 3 provides, is to be based upon the code means that makes as far as possible the viewpoint of printing area increasing realize.If from contrary viewpoint, the minimized angle of printing area is set out, and can draw the binary system microcosmic code form shown in Figure 12.
(a) of Figure 13 is code " 1 ", is (b) code " 0 ".In recorded information, be to pass through: having information point is " 1 ", is " 0 " without information point.This phenomenon can think that the difference that occurs by printing realizes information recording.In physics, also may be interpreted as the saltus step of a pulse on two dimensional surface.Utilize the distribution of different frequency to realize recording of information in other words conj.or perhaps.
Two-dimentional macroscopical code that Fig. 4 provides is to be also based upon the code means that makes as far as possible the viewpoint of printing area increasing realize.Also can be from contrary viewpoint, the minimized angle of printing area is set out, and can draw the binary system microcosmic code form shown in Figure 13.
(a) of Figure 14 is code " 0 ", is (b) code " 1 ", is (c) code " 2 ", is (d) code " 3 ".It in recorded information, is the different directly records in the position bit information more than by dot matrix.This phenomenon not only can be thought to realize information recording by the difference of printing dot matrix state, also can think to realize by different lattice positions or different shapes the geometry phenomenon of information recording.In physics, also may be interpreted as is the phase-modulation outcome record information that uses the dot matrix in the grid of two dimensional image.
In like manner, the two dimension macroscopic view code that Fig. 5 provides, is to be also based upon the code means that makes as far as possible the viewpoint of printing area increasing realize.Same from contrary viewpoint, the minimized angle of printing area is set out, and can draw the binary system microcosmic code form shown in Figure 14.
(a) of Figure 15 is code value " 0 ", (b) being code value " 1 ", is (c) code value " 2 ", is (d) code value " 3 ", (e) being code value " 4 ", is (f) code value " 5 ".It in recorded information, is the different directly records in the position bit information more than by dot matrix.This phenomenon not only can think that the difference occurring by printing realizes information recording, also can think to realize by different lattice positions or different shapes the geometry phenomenon of information recording.In physics, also may be interpreted as is the phase-modulation outcome record information that uses the dot matrix in the grid of two dimensional image.
And the two dimension macroscopic view code that Fig. 6 provides, is to be also based upon the code means that makes as far as possible the viewpoint of printing area increasing realize.Same from contrary viewpoint, the minimized angle of printing area is set out, and can draw the binary system microcosmic code form shown in Figure 15.
(a) of Figure 16 is code value " 0 ", (b) be code value " 1 ", (c) be code value " 2 ", (d) be code value " 3 ", (e) being code value " 4 ", is (f) code value " 5 ", is (g) code value " 6 ", (h) being code value " 7 ", is (i) location dot matrix.Identical with above-mentioned principle, in recorded information, be the different directly records in the position bit information more than by dot matrix.This phenomenon not only can think that the difference occurring by printing realizes information recording, also can think to realize by different lattice positions or different shapes the geometry phenomenon of information recording.In physics, also may be interpreted as is the phase-modulation outcome record information that uses the dot matrix in the grid of two dimensional image.
The form according to matrix of the dot matrix that a plurality of above-mentioned Figure 13-16 are provided is arranged, and can form one group of information module.
First the dot matrix image that defines the Two dimensional Distribution of planographic is:
[formula 1]
ζ＝ψ(x，y)
Due to the image that image ζ is binaryzation, therefore the value of ζ is " 0 " or " 1 ".
Suppose that x and y value are nonrandomnesses, a plurality of microcosmic dot matrix as Figure 12-15 must draw a code value in given coordinate system.Figure 16 is the example that 4*4 the such microcosmic dot matrix of Figure 15 is formed to a code.
As shown in figure 17, for example establish S
11=0, S
12=0, S
14=2, S
15=2, S
21=4, S
22=4, S
24=6, S
25=6, S
41=0, S
42=0, S
44=2, S
45=2, S
51=4, S
52=4, S
54=6, S
55=6.Code value is:
[formula 2]
V＝S
1*8
15+S
2*8
14+S
3*8
13+S
4*8
12+S
5*8
11+S
6*8
10+S
7*8
9
+S
8*8
8+S
9*8
7+S
10*8
6+S
11*8
5+S
12*8
4+S
13*8
3+S
14*8
2
+S
15*8
1+S
16*8
0
?
V＝0*8
15+0*8
14+2*8
13+2*8
12+4*8
11+4*8
10+6*8
9
+6*8
8+0*8
7+0*8
6+2*8
5+2*8
4+4*8
3+4*8
2
+6*8
1+6*8
0
It is n*m that microcosmic dot matrix can be made up of with the matrix of a vertical m dot matrix a horizontal n dot matrix, and n and m can be numerals 1, or 2, even can arrive infinite.Microcosmic dot matrix can print with CMYK random color, also can use infrared ray, ultraviolet ray, or this journey ink printing.Also the image lattice of available electron form represents.
The distribution of miniature dot matrix can be the distribution of two-dimension non linearity, establishes;
[formula 3]
X
i+1-x
i=κ P (τ) κ is arbitrary integer
I=1,2 ..., n, P (τ)=0-1 is random function
Y
j+1-y
j=ν P (ε) ν is arbitrary integer
J=1,2 ..., m, P (ε)=0-1 is random function
X
1=0 and y
1=0
The form that microcosmic dot matrix can be distributed by two-dimension non linearity dot matrix shows,
[formula 4]
ξ＝ψ{κP(τ)，νP(ε)}
Each and every one dot matrix of the microcosmic code of the form performance that above-mentioned two-dimension non linearity dot matrix distributes, owing to being random distribution, does not therefore have certain code value as information module.If but provide a benchmark dot matrix with any distance yardstick including Euclidean distance, just can draw a fixing code value.
The microcosmic code of the form performance being distributed by two-dimension non linearity dot matrix can have special effect under many circumstances.
Figure 18 is the location mode of cross benchmark dot matrix.As shown in figure 18, benchmark dot matrix is cross, and information dot matrix is distributed on 4 angles of benchmark dot matrix, and in one group of information module, cross benchmark dot matrix can form by one, also can be made up of a plurality of.Benchmark dot matrix also can be made up of other any forms.
Benchmark dot matrix can print by any one the above color in CMYK tetra-looks, can represent by any one the above color in RGB tri-looks, also can use infrared ray, ultraviolet color, or magnetic ink prints or represents.
Figure 19 is the anti-false trademark that adopts microcosmic code technique and holographic technique to make.As shown in figure 19: 1901 for being printed with the part of microcosmic code, and 1902 is holographic false proof image section.The image that is printed with the part of microcosmic code uses microcosmic code reading device to carry out code and reads, and holographic false proof image section can directly with the naked eye distinguish the true from the false.It is high to genuine/counterfeit discriminating precision carrying out with reading device the feature that the true and false distinguishes, although it is more directly perceived with the naked eye to distinguish the true from the false, the precision distinguishing the true from the false is low.This two kinds of methods of discerning the false from the genuine are combined, merged the feature of two kinds of methods of discerning the false from the genuine.
Figure 20 represents the characteristic that RGB color and CMYK color have in mutually converting.As shown in figure 20: in the countless colors that formed by CMYK, always can find more than one color, this color printing is on print media, if take pictures or scan by imageing sensor, the RGB image forming, this RGB image is carried out to CMYK point of version again, and each value of the CMYK obtaining, is not equal to each value of initial CMYK.Utilize this characteristic in addition the above-mentioned formation characteristic for microcosmic code can realize digitized anti-counterfeit printing.
Advantageous effect of the present invention is:
1. the invention provides a kind of mobile phone and just can directly surf the Net by directly take pictures trade mark or pattern of picture taking lens, and the formation scheme of macroscopical code that can downloading data.
2. the present invention also provides and on mobile phone, has added reading camera lens, click the associated multimedia data in that the printing images that is embedded with information just can be play download or memory with reading camera lens, or the formation and the Internet access through mobile phone photograph that carry out the microcosmic code of the genuine/counterfeit discriminating of name brands are downloaded multi-medium data, be embedded with again the printed matter of information by reading, can play the system flow of associated multimedia data.Can realize multimedia to the printed matter that is embedded with arbitrarily information.Can be applied to the guide of sightseeing map, the network selling of product sample, the judgement of true and false commodity.
3. the dot matrix that the invention allows for two-dimension non linearity space distributes, and has in the situation that there is no benchmark dot matrix, does not have certain code value.And after a given benchmark dot matrix, must obtain a definite code value, this acquires a special sense in information security field.
The present invention propose with mobile phone carry out name brands the true and false differentiate, can simply judge by naked eyes, by can accurately distinguishing true from false by mobile phone.
5. macroscopical code that the present invention proposes has maximum printing area, can make pictorial trademark directly be printed on code.It is long-pending that microcosmic code has the ND smallest point front of naked eyes, is embedded in printing images, do not affect picture quality.
Claims (4)
1. a code generating method that is suitable for Internet access through mobile phone photograph, is characterized in that:
(1) take pictures and be printed on Two dimensional Distribution information recording on print media macroscopic view code and have with mobile phone camera camera lens: the printing area in the time representing any information is much larger than the long-pending feature of information point front;
(2) take pictures and be printed on Two dimensional Distribution information recording on print media macroscopic view code and also have with mobile phone camera camera lens: the printing area while representing any information is consistent feature;
(3) take pictures and be printed on Two dimensional Distribution information recording on print media macroscopic view code and also have with mobile phone camera camera lens: consider printing area rate, and the maximized feature of information recording rate;
(4) take pictures and be printed on Two dimensional Distribution information recording on print media macroscopic view code and have with mobile phone camera camera lens: dot matrix area is retained or the gray value of dot matrix is reduced to the minimum gradation value that is less than the pattern of imbedding object; By the printing area of this code with comprise trade mark, image or figure overlap at interior a kind of pattern of imbedding object; Maybe by the printing area of this code with comprise trade mark, image or figure at the CMYK of interior a kind of pattern of imbedding object the color more than any one replace; Or utilize the visual characteristic that human eye is lower to the recognition capability of gradation of image, the different gray values by change dot matrix area from printing area; Thereby reach the feature that wherein a kind of method forms of the object of information recording.
2. a kind of code generating method that is suitable for Internet access through mobile phone photograph according to claim 1, is characterized in that: described Two dimensional Distribution information recording macroscopic view code is that the dot matrix of the geometry form by distributing including different distribution of shapes, different directions, different dot matrix size distribution and different position distribution distributes.
3. a kind of code generating method that is suitable for Internet access through mobile phone photograph according to claim 1, is characterized in that: described Two dimensional Distribution information recording macroscopic view code is by comprising that different grey value profile, different frequency distribution, the different directions of propagation distribute, different modulation result distributes, different mechanical characteristics distributes and the dot matrix of the physics form of different phase-modulations in being distributed in distributes.
4. according to a kind of code generating method that is suitable for Internet access through mobile phone photograph one of claim 1 to 3 Suo Shu, it is characterized in that: common two-dimensional bar code also can be according to above-mentioned consideration printing area rate, and the constructive method of the maximized macroscopical code of information recording rate, reach the object embedding in printing images.
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| US9979891B2 (en) | 2015-05-30 | 2018-05-22 | Chiun Mai Communication Systems, Inc. | Electronic device and method for capturing photo based on a preview ratio between an area of a capturing target and and area of a preview image |
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| CN104852892B (en) * | 2014-02-18 | 2019-10-08 | 天津市阿波罗信息技术有限公司 | A kind of autonomous login method of novel Internet of Things web station system |
| CN105303383A (en) * | 2014-07-07 | 2016-02-03 | 天津市阿波罗信息技术有限公司 | Method for mobile phone user to identify card and certificate anti-counterfeit and method for constructing network authentication system |
| CN106803118A (en) * | 2016-12-30 | 2017-06-06 | 广东壮丽彩印股份有限公司 | Anti-counterfeiting mark and recognition methods based on stealthy private mark technology |
| CN110347394B (en) * | 2019-06-11 | 2023-03-10 | 无线生活（杭州）信息科技有限公司 | Software code analysis method and device |
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