CN107507535A - A kind of striation shape code advertising lamp box based on machine vision - Google Patents
A kind of striation shape code advertising lamp box based on machine vision Download PDFInfo
- Publication number
- CN107507535A CN107507535A CN201710979767.7A CN201710979767A CN107507535A CN 107507535 A CN107507535 A CN 107507535A CN 201710979767 A CN201710979767 A CN 201710979767A CN 107507535 A CN107507535 A CN 107507535A
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- led
- led light
- light bar
- lamp box
- advertising lamp
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0413—Frames or casing structures therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention provides a kind of striation shape code advertising lamp box based on machine vision, including：Casing, tank surface, box back surface, LED light bar, LED information controllers, LED drive power, the LED light bar is arranged on box back surface, LED light bar successively with LED information controllers, LED drive power is connected, LED information controllers are that bar code information is loaded into LED light bar, LED drive power is electric current when work is provided for LED light bar and LED information controllers, the present invention passes through machine vision unique identification, avoid conventional barcode and appear in advertising surface influence aesthetic property, and add the distance of bar code barcode scanning, expand the radiation scope of advertising lamp box.
Description
Technical field
The present invention relates to advertising lamp box field, and in particular to a kind of striation shape code advertising lamp box based on machine vision.
Background technology
The most important effect of advertising lamp box is to place publicity property advertising poster, because of it without limitation of time and space, outdoor
With interior can convenient use, its application places is distributed in road, street both sides, and movie theatre, exhibition, business downtown area
The public places such as area, station, airport, harbour, park.With the popularization of LED light source, advertising lamp box also begins to apply LED light bar
As light source.According to the installation site of LED light source, advertising lamp box can be divided into straight-down negative and side type, and side type is by LED light
Source is arranged on lamp box side, light is evenly distributed on advertising lamp box advertising plane by light guide plate, and straight-down negative is then directly by LED
Lamp bar is the advertising lamp box back side, direct irradiation advertising plane neck and neck.
The advertising lamp box of existing in the market is confined to：1. the layout of ad content is influenceed by lamp box size, information content is typically very
It is limited；2. advertising lamp box lacks the entrance of an information interaction, people are typically with the telephone number on advertising lamp box or network address master
Dynamic established with ad content contacts；3. advertising lamp box in general range of publicity is limited, ad content will not seen away from too far away.
As Chinese Patent Application No. be CN201710202143.4 a kind of changeable advertising panel form advertising lamp box,
It discloses rotate different advertising panels by moving block to reach the effect of publicity more multi-advertisement information, but each of which advertisement
Content that panel can be placed or extremely limited, and its structure is more complicated than in general advertising lamp box, can not also increase range of publicity.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of striation shape code advertising lamp box based on machine vision, lead to
Machine vision unique identification is crossed, conventional barcode is avoided and appears in advertising surface influence aesthetic property, and add bar code
The distance of barcode scanning, expand the radiation scope of advertising lamp box.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of striation shape code advertising lamp box based on machine vision, including：Casing, the casing include tank surface, case
The body back side；LED light bar, the LED light bar are arranged on box back surface；LED information controllers, the LED information controllers connection
LED light bar；LED drive power, the LED drive power connect LED information controllers；The I/O port difference of LED information controllers
Individually connection LED light bar, I/O port exports constant current when LED light bar is bright fringes, and I/O port exports when LED light bar is dark fringe
PWM electric currents.
Preferably, the LED light bar is provided with some.
Preferably, the LED light bar is uniform intervals installation in casing background, and at intervals of 15-25mm.
Preferably, the bar code of the LED information controllers control is divided into cord and stria.
Preferably, the cord is replaced using 2 LED light bars.
Preferably, the stria is replaced using 1 LED light bar.
A kind of beneficial effect of striation shape code advertising lamp box based on machine vision provided by the invention is：
1) it is the imperceptible striation shape code of naked eyes by Information hidings such as bar code, Quick Response Codes, it is unique by machine vision
Identification, avoid conventional barcode and appear in advertising surface influence aesthetic property, and add the distance of bar code barcode scanning, expand
The radiation scope of advertising lamp box；
2) Consumer's Experience of single piece of information can only be broadcasted by changing conventional ads lamp box using striation shape code, by striation
Shape code is scanned, and can obtain the ad content of more horn of plenty；
3) signal load unit can be increased in original traditional LED advisement lamp case, does not influence illuminating effect, but to advertisement
The added value of product of lamp box has larger lifting.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is three nine-day periods after the winter solstice code character and the coding pattern table of comparisons of the present invention.
In figure：1st, casing；2nd, tank surface；3rd, LED light bar；4th, box back surface；5th, LED information controllers；6th, LED drives
Power supply.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Ability
The every other embodiment that domain ordinary person is obtained under the premise of creative work is not made, belong to the protection of the present invention
Scope.
Embodiment：A kind of striation shape code advertising lamp box based on machine vision.
Shown in reference picture 1, Fig. 2, a kind of striation shape code advertising lamp box based on machine vision, including：Casing 1, the case
Body 1 includes tank surface 2, box back surface 4；LED light bar 3, the LED light bar 3 are provided with some and are arranged on box back surface
4, LED light bar 3 is distributed in box back surface 4 in proportional spacing, spacing 20mm；LED information controllers 5, the LED information control
Device 5 connects LED light bar 3；LED drive power 6, the LED drive power 6 connect LED information controllers 5；LED information controllers
5 effects are that bar code information is loaded into LED light bar 3, and LED drive power 6 is then for LED light bar 3 and LED information controllers
5 provide electric current during work, and the bar code that LED information controllers 5 control is divided into cord and stria.
In the above-mentioned technical solutions, workflow is as follows：The numeral that advertisement bar code is configured to LED information controllers 5 is believed
Number information, according to the digit and coded system of data signal, installation respective amount can independent control LED light bar 3, LED light bar 3
Respectively the I/O port with LED information controllers 5 is connected, when corresponding lamp bar position is bar code bright fringes, LED information controllers 5
I/O port will export constant electric current, when corresponding lamp bar position is bar code dark fringe, the IO of LED information controllers 5 will be defeated
Go out PWM electric currents, and by controlling the peak value and dutycycle of PWM ripples, it is bright when making its brightness with exporting constant current during bright fringes
Degree is consistent, and is avoided naked eyes from seeing the striped that bright dark phase is shown in, is influenceed the illuminating effect of advertising lamp box.When opening, LED drivings are electric
During source 6, LED light bar 3 will be lit, brightness uniformity, naked eyes None- identified striation shape code, by using mobile terminals such as mobile phones
Camera, can be seen the striation shape code between the bright dark phase of advertising lamp box from the vision of machine, mobile phone is carried out at image to bar code
Reason, you can striation shape code is converted into data signal, using bar code as entrance, can be browsed to extensively with mobile terminals such as mobile phones
Accuse more information of advertisement on lamp box.
Embodiment one, a kind of advertising lamp box with striation shape code is carried out more specifically with traditional three nine-day periods after the winter solstice coded system
Explanation.The character and coding pattern of three nine-day periods after the winter solstice coding are compareed as shown in Fig. 2 each character has specific pattern bar code, bar code
It is divided into three cords and nine strias, cord is replaced using 2 LED light bars 3, and stria uses 1 generation of LED light bar 3
Replace, therefore, a character is replaced using 12 LED light bars 3.LED information controllers 5 are according to coding pattern and pair of LED light bar 3
It should be related to, control the different conditions of LED light bar 3, such as want output character ' 0 ', it is defeated for 2,4,5,8,11 LED light bar 3 to arranging in numerical order
Go out constant current signal, export high-frequency PWM ripple for 1,3,6,7,9,10,12 LED light bar 3 to arranging in numerical order, particularly point out, PWM ripples
Peak value and dutycycle by regulation and control, the effect and the brightness of constant current output for realizing output brightness are consistent.
Embodiment two, in addition to the manifestation mode of striation shape code is different, overall structure is identical with embodiment one.The present embodiment
In striation shape code bar code is changed using the bright wisps of different brightness, such as brightness is divided into 4 grades, by specified bright
Degree successively decrease step by step 25% brightness.Most bright brightness degree is expressed as binary digit signal ' 11 ', and the second brightness degree is ' 10 ',
3rd is ' 01 ', and the 4th is ' 00 ', compared to the bar code of black and white, there is bigger lifting on communication bandwidth.It is in addition, above-mentioned
The striation shape code of coded system, dark fringe is set to be used as the start bit and stop bits of striation shape code.
Further, since employing the manifestation mode of higher order, when bar code demodulates, different demodulation should be also corresponded to
Mode.
For three nine-day periods after the winter solstice code demodulation mode of striation shape code, mobile phone first captures advertising lamp box striation barcode image, by image
Binary conversion treatment is carried out, scans the pixel pixel of advertising lamp box center line, when pixel pixel is 0, records the horizontal seat of point
X1 is marked, reverse scan, when pixel pixel is 0, it is x2 to record the abscissa, it is known that the overall width d=of bar code |
X1-x2 |, threshold value T, T=d/8 are set, and 5 obtained dark fringes and 4 bright fringes will be measured compared with threshold value T, it is wide
Degree is wide striped more than T's, is otherwise narrow strips, and whether the final pattern for determining width striped belongs to the one of coding pattern concentration
Individual significant character, so as to which striation shape code is converted into numerical character.
And for the demodulation mode of high-order striation shape code, mobile phone first captures the image of advertising lamp box striation shape code, will scheme
GTG conversion as carrying out 0~255, the pixel pixel of advertising lamp box center line is scanned, when pixel pixel is 0, is recorded
This abscissa x1, reverse scan, when pixel pixel is 0, it is x2 to record the abscissa, it is known that the beam overall of bar code
Spend d=| x1-x2 |, sampling frequency T, the T=d/n of bar code are set, and wherein n is bar code strip number, and is obtained in pixel sequence
The maximum pixel value of GTG, the 85% of another max pixel value is threshold value T1, and 60% is threshold value T2, and 35% is threshold value T3, by sampling
Frequency T extracts pixel value, is then brightness highest striped when sample value is more than T1；When sample value is less than T1, more than T2, then brightness
For the second high striped, when sample value is less than T2, more than T3, then brightness is the 3rd high striped, and when sample value is less than T3, then brightness is
4th high striped, finally the Serial No. representated by striped is reduced, obtains the Serial No. of striation shape code.
Described above is presently preferred embodiments of the present invention, but the present invention should not be limited to the embodiment and accompanying drawing institute is public
The content opened, so every do not depart from the lower equivalent or modification completed of spirit disclosed in this invention, both fall within protection of the present invention
Scope.
Claims (6)
- A kind of 1. striation shape code advertising lamp box based on machine vision, it is characterised in that including：Casing, the casing include tank surface, box back surface；LED light bar, the LED light bar are arranged on box back surface；LED information controllers, the LED information controllers connect LED light bar；LED drive power, the LED drive power connect LED information controllers；The I/O port of LED information controllers individually connects LED light bar, and I/O port exports constant current when LED light bar is bright fringes, I/O port exports PWM electric currents when LED light bar is dark fringe.
- 2. the striation shape code advertising lamp box based on machine vision as claimed in claim 1, it is characterised in that：The LED light bar It is provided with some.
- 3. the striation shape code advertising lamp box based on machine vision as claimed in claim 1, it is characterised in that：The LED light bar It is uniform intervals installation in casing background, and at intervals of 15-25mm.
- 4. the striation shape code advertising lamp box based on machine vision as claimed in claim 1, it is characterised in that：The LED information The bar code of controller control is divided into cord and stria.
- 5. the striation shape code advertising lamp box based on machine vision as claimed in claim 4, it is characterised in that：The cord is adopted Replaced with 2 LED light bars.
- 6. the striation shape code advertising lamp box based on machine vision as claimed in claim 1, it is characterised in that：The stria is adopted Replaced with 1 LED light bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710979767.7A CN107507535A (en) | 2017-10-19 | 2017-10-19 | A kind of striation shape code advertising lamp box based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710979767.7A CN107507535A (en) | 2017-10-19 | 2017-10-19 | A kind of striation shape code advertising lamp box based on machine vision |
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| CN201710979767.7A Pending CN107507535A (en) | 2017-10-19 | 2017-10-19 | A kind of striation shape code advertising lamp box based on machine vision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112257477A (en) * | 2020-10-13 | 2021-01-22 | 苏州浩创信息科技有限公司 | Scanner and wearable scanner |
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| CN200979779Y (en) * | 2006-05-25 | 2007-11-21 | 汪正红 | Picture in picture |
| CN200959206Y (en) * | 2006-07-27 | 2007-10-10 | 曹斌 | Multifunctional advertisement light house with variable picture |
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| CN112257477B (en) * | 2020-10-13 | 2024-04-30 | 苏州浩创信息科技有限公司 | Scanner and wearable scanner |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171222 |
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| RJ01 | Rejection of invention patent application after publication |