CN203596856U - Cigarette 32-bit code image acquisition processing device - Google Patents

Abstract

The utility model discloses a cigarette 32-bit code image acquisition processing device, comprising a smartphone used to acquire cigarette 32-bit code images, a processor and a server which process the images acquired by the smartphone. The smartphone is connected with an infrared recognition device. The infrared recognition device communicates with the server. The smartphone is connected with the processor through an imaging sensor. The processor accesses the server. The image acquisition processing system is simple in structure and convenient in use.

Description

A kind of bar cigarette 32 bit code image acquisition and processing devices

Technical field

The utility model relates to a kind of bar cigarette 32 bit code image acquisition and processing devices and the 32 bit code recognition methodss of bar cigarette.

Background technology

2 years of 20 end of the centurys to the beginning of this century, it is several years that bar-code identification starts progressively to apply in cigarette logistics field, barcode technology is rooted in the hearts of the people to Modern cigarette industry logistics operation and management at present, and most enterprises have all had realized that the advantage of this technology.At present perfect along with supporting capital construction in China, the accumulation of technology, fund, all trades and professions are to adopting mobile telephone scanning or the industrial automation of photographic images, intelligentized demand to start extensive appearance, domesticly within nearly 2 years, carry out positive thinking and bold trial at image and recognition technology field about universities and colleges, research institute and enterprise, progressively started the application of industry spot.It is mainly used in the fields such as pharmacy, printing, mineral water bottle cap detection.These application concentrate on mostly as medicine detection packing, printing color detection etc.Real high-end application is also little, still blank in especially domestic cigarette bar-code identification on mobile phone.

State Tobacco Monopoly Bureau requires before cigarette sale on bar cigarette, to print 32 yards, and 32 bit codes are mainly made up of letter and number, by laser or inkjet printing to the plastics package of bar cigarette.Because different sorting lines can cause the position difference of printing, and different bar cigarette background colors also can make the identification degree difficulty or ease of 32 bit codes differ.This 32 bit code has relative recording in engineering of tobacco monopoly bureau, along with the develop rapidly of smart mobile phone, can identify 32 bit codes on bar cigarette by mobile phone, thereby identify genuine-fake cigarette with the relative recording UNICOM of an engineering.

If want to inquire about genuine-fake cigarette at present, need to input 32 letter and numbers by the mode of making a phone call or sending short messages and realize, there are several problems in artificial input, and the one, some naked eyes are difficult to identify, and the 2nd, easily input by mistake.And the mode of making a phone call and sending short messages operates also not convenient, so that consumer does not think not that conveniently mode is identified cigarette is true and false always.

Summary of the invention

Technical problem to be solved in the utility model is, for prior art deficiency, provides a kind of bar cigarette 32 bit code image acquisition and processing devices simple in structure, easy to use, provides instrument for carrying out easily the true and false identification of bar cigarette whenever and wherever possible.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of bar cigarette 32 bit code image acquisition and processing devices, comprise the smart mobile phone for obtaining bar cigarette 32 bit code images, processor, the server that the image of described smart mobile phone collection is processed, described smart mobile phone connects infrared identification device, described infrared identification device and described server communication, smart mobile phone is connected with described processor by imaging sensor, and described processor accesses described server.

The utility model also provides the recognition methods of a kind of cigarette 32 bit codes, and the method is:

1) store the corresponding relation of one dimension code and bar cigarette background color feature at server database, one dimension code on infrared identification device scan stripes cigarette cigarette case, by 3G network, one dimension code is sent to server, pass through data base querying, obtain bar cigarette background color characteristic information, and turn back on smart mobile phone;

2) smart mobile phone is by carrying camera collection bar cigarette cigarette case image;

3) mobile phone OCR software carries out denoising, slant correction and filtering processing to the image gathering automatically according to background color characteristic information, obtains high-quality digital picture;

4) select rotating the moment characteristics with consistency as pattern feature, in digital picture, find out 32 bit code regions: bar cigarette cigarette case image is traveled through to detection, in the time that certain piece image-region detects the numeral exceeding more than 7 with letter, think that this piece region is coding position; The initial ranging interval that described coding position is decided to be to linear search, dwindles initial ranging interval gradually, in the time that image-region 80% part is numeral and primary and secondary, extracts shaping cigarette 32 bit code images;

5) bar cigarette 32 bit code images are carried out to printed page analysis: adopting connected domain analysis method is several contiguous connected domain external matrix set by the 32 bit code picture breakdowns of bar cigarette, there is the region of search of half character pitch by horizontal fusion, contiguous connected domain is combined into text fragments, then according to the fixing height of 32 bit codes and length-width ratio characteristic, merge laterally adjacent text fragments and longitudinal adjacent line of text, thereby distinguish text filed and typesetting order;

6) the text filed image of cutting, is cut into line of text or text column by text filed image, then from the line of text that obtains or text column, isolates single character, obtains single character picture;

7) single character picture is carried out to feature extraction, obtain the identification character characteristic vector of single character picture;

8) to form 26 letters of 32 bit codes and 10 numerals totally 36 characters carry out moment characteristics extraction, the characteristic vector after being extracted, deposits this characteristic vector in database in, and take this database as standard feature storehouse;

9) identification character characteristic vector and standard feature storehouse are compared, find character type that in identification character characteristic vector, similarity is the highest as a result of;

10) result that smart mobile phone obtains step 9) is beamed back background data base by 3G network and is carried out bar cigarette 32 bit code couplings, if coupling, this cigarette is genuine piece; Otherwise be false smoke.

Compared with prior art, the beneficial effect that the utility model has is: image acquisition and processing apparatus structure of the present utility model is simple, easy to use, can carry out easily the true and false identification of bar cigarette whenever and wherever possible, and intelligent degree is high.

Accompanying drawing explanation

Fig. 1 is the utility model one embodiment image collection processing system structured flowchart.

Embodiment

As shown in Figure 1, of the present utility model cigarette 32 bit code image acquisition and processing devices comprise the smart mobile phone for obtaining bar cigarette 32 bit code images, processor, the server that the image of described smart mobile phone collection is processed, described smart mobile phone connects infrared identification device (model is Symbol L378), described infrared identification device and described server communication, smart mobile phone is connected with described processor by imaging sensor, and described processor accesses described server.

The utility model mobile phone camera is focusing 32 bit codes automatically, after taking pictures, identify 32 bit codes take image identification system as main by backstage, afterwards 32 bit codes are sent to server automatically, mutual to relevant cigarette database by server end, result is returned to mobile phone, makes consumer very clear.

Mobile phone of the present utility model is based on Android or IOS.

Mobile phone photograph generate coding and background contrasts high, be convenient to the best results picture identified.Collection image resolution ratio is 800x600,24 b bitmap formats.

Consider that the position of 32 bit codes has the situation of deflection and translation, the utility model has selected the moment characteristics that rotation is had to consistency as pattern feature, in order to locate coding position, native system with optical character recognition module front end add a coding automatic detection module, by cigarette case whole audience traversal is detected, when certain piece image-region detects the numeral+letter exceeding more than 7, think that this piece region is coding position; Consider the randomness of coding direction, except two-dimensional position search, also need to add one-dimensional square to search, after searching for by two-dimensional position, determine general searching position, this position is decided to be the initial ranging interval of linear search, by the region of search is dwindled gradually, until enough little, just can obtain near-optimization point, finally extract shaping cigarette code.

When application, manually bar cigarette 32 bit code printing surfaces are flapped toward upward, are placed on platform, use smart mobile phone camera to the processing of taking pictures of bar cigarette, obtain comprising 32 bit code high-quality pictures; System obtains after image, and image is carried out to preliminary treatment, comprises denoising, slant correction and various filtering processing, if necessary, generally also will carry out binary conversion treatment; After preliminary treatment, system is carried out layout analysis and understanding to image, distinguishes text fragment and typesetting order; Identify text filed after, carry out text image cutting, text image is cut into row or column, more therefrom isolates single character; Then carry out single character image characteristics extraction, extract statistical nature or the architectural feature of character picture; Next be word identifying, identification character characteristic vector and feature database are compared, find character type that similarity is the highest as a result of.Obtain like this in 32 bit codes smart mobile phone and automatically beam back background data base by 3G network and carry out bar cigarette 32 bit codes couplings, matching is genuine piece, and unmatching is false smoke, and result will turn back on smart mobile phone to user with prompting.

Claims (2)

1. bar cigarette 32 bit code image acquisition and processing devices, it is characterized in that, comprise the smart mobile phone for obtaining bar cigarette 32 bit code images, processor, the server that the image of described smart mobile phone collection is processed, described smart mobile phone connects infrared identification device, described infrared identification device and described server communication, smart mobile phone is connected with described processor by imaging sensor, and described processor accesses described server.

2. according to claim 1 cigarette 32 bit code image acquisition and processing devices, is characterized in that, described infrared identification device model is Symbol L378.