CN101840497B - RSS barcode decoding method - Google Patents
RSS barcode decoding method Download PDFInfo
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- CN101840497B CN101840497B CN2010101888407A CN201010188840A CN101840497B CN 101840497 B CN101840497 B CN 101840497B CN 2010101888407 A CN2010101888407 A CN 2010101888407A CN 201010188840 A CN201010188840 A CN 201010188840A CN 101840497 B CN101840497 B CN 101840497B
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Abstract
The invention relates to an RSS barcode decoding method which comprises the following steps that: an RSS barcode fragment combination formed by at least an RSS barcode fragment is obtained; according to the search characteristic in the RSS barcode fragment, whether the RSS barcode fragment combination is part of a standard barcode fragment combination is judged; if the RSS barcode fragment combination is part of the standard barcode fragment combination, whether the RSS barcode fragment combination is the same with the previously obtained RSS barcode fragment combination is judged; if the RSS barcode fragment combination is not the same with the previously obtained RSS barcode fragment combination, whether the RSS barcode fragment combination can be spliced with the previously obtained RSS barcode fragment combination is judged; and if the RSS barcode fragment combination can be spliced with the previously obtained RSS barcode fragment combination, the RSS barcode fragment combination and the previously obtained RSS barcode fragment combination are spliced so as to form the complete RSS barcode fragment combination which complies with the standard barcode fragment combination. The method obtains the complete RSS barcode fragment combination by splicing, and improves the RSS barcode reading rate and decoding success rate.
Description
[technical field]
The present invention relates to a kind of bar code decoding method, relate in particular to a kind of RSS bar code decoding method.
[background technology]
Barcode technology is an appearance coding, printing, identification, the data acquisition and processing (DAP) emerging technology that on computer technology and infotech basis, grows up.Barcode technology is because its identification is quick, accurate, reliable and low cost and other advantages; Be widely used in fields such as commerce, taking care of books, storage, post and telecommunications, traffic and Industry Control, and certainly will in " Internet of Things " that rise gradually used, bring into play great function.
The bar code that is widely used at present comprises bar code and two-dimensional bar code.Bar code claims that again linear bar code is made up of a plurality of " bars " that are arranged in parallel and " sky " unit, and bar code information leans on bar and empty different in width and position to express.Bar code is not then expressed any information just in a direction (generally being horizontal direction) expressing information in vertical direction.
RSS (Reduced Space Symbology) bar code is to be unified the bar code symbol of the UCC of code council exploitation by the EAN of International Article Numbering Association and the U.S..Compare with other bar code, RSS serial codes fixture has higher density, so it can represent more character.
As depicted in figs. 1 and 2, the RSS bar code generally comprises the barcode fragment that left side sign indicating number speech+search characteristics (Finder)+right side sign indicating number speech is formed.A RSS bar code can comprise maximum 11 barcode fragment, and the search characteristics in each barcode fragment (Finder) has nothing in common with each other.According to ISO IEC 24724-2006 international standard, the search characteristics in the RSS bar-code structure (Finder) can comprise array configuration as shown in Figure 2.
Yet, because the RSS bar code is formed by a plurality of barcode fragment combination, can't obtain whole RSS bar code bar code information through single image, cause the recognition rate of RSS bar code to reduce.
[summary of the invention]
For solving the lower problem of recognition rate of RSS bar code in the prior art, the invention provides a kind of RSS bar code decoding method, it has improved the recognition rate of RSS bar code and has been decoded into power through splicing various barcode fragment combination.
The invention provides a kind of RSS bar code decoding method, this RSS bar code decoding method comprises: a. obtains the RSS barcode fragment combination that is formed by at least one RSS barcode fragment; B. according to the search characteristics in this RSS barcode fragment, judge whether this RSS barcode fragment combination is the part of standard barcode fragment combination; C. if the part that this RSS barcode fragment combination is this standard barcode fragment combination judges then whether this RSS barcode fragment combination repeats with the RSS barcode fragment combination of obtaining before; D. if this RSS barcode fragment combination does not repeat with the RSS barcode fragment combination of obtaining before; Judge then whether this RSS barcode fragment combination can splice with the RSS barcode fragment combination of obtaining before; And get into step e, if the RSS barcode fragment combination repeats with the RSS barcode fragment combination of obtaining before, then the corresponding count value of RSS barcode fragment combination is added up; And judge whether count value is predetermined value, and get into step f; E. can splice with the RSS barcode fragment combination of obtaining before as if this RSS barcode fragment combination; Then splice this RSS barcode fragment combination and the RSS barcode fragment combination of obtaining before; Meet the complete RSS barcode fragment combination of this standard barcode fragment combination with formation, and get into step g; F. if count value is a predetermined value, then splice this RSS barcode fragment combination and other RSS barcode fragment combination of obtaining before,, and get into step g with the complete RSS barcode fragment combination of formation conformance with standard barcode fragment combination; G. this complete RSS barcode fragment combination is deciphered.
According to one preferred embodiment of the present invention, in this step c,, return step a if the part that this RSS barcode fragment combination is not this standard barcode fragment combination is then abandoned this RSS barcode fragment combination.
According to one preferred embodiment of the present invention, step e comprises: e1. search from this RSS barcode fragment combination and the RSS barcode fragment combination obtained before has the RSS barcode fragment combination of search characteristics A1; E2. according to this standard barcode fragment combination, search meets the follow-up RSS barcode fragment combination of this standard barcode fragment combination from this RSS barcode fragment combination and the RSS barcode fragment combination of obtaining before.
According to one preferred embodiment of the present invention; In this step e1; Further confirm the RSS barcode fragment quantity that this complete RSS barcode fragment combination is comprised according to the left side sign indicating number speech of the corresponding RSS barcode fragment of this search characteristics A1; In this step e2, the RSS barcode fragment quantity that is further comprised according to this complete RSS barcode fragment combination is confirmed this follow-up RSS barcode fragment combination.
According to one preferred embodiment of the present invention; In this step e; According to this RSS barcode fragment combination and the count value of the RSS barcode fragment combination of obtaining before this RSS barcode fragment combination and the RSS barcode fragment combination of obtaining are before spliced, the RSS barcode fragment combination that wherein this count value is high is more more preferentially spliced.
According to one preferred embodiment of the present invention, step f comprises: f1. search from this RSS barcode fragment combination and the RSS barcode fragment combination obtained before has the RSS barcode fragment combination of search characteristics A1; F2. according to this standard barcode fragment combination, search meets the follow-up RSS barcode fragment combination of this standard barcode fragment combination from this RSS barcode fragment combination and the RSS barcode fragment combination of obtaining before.
According to one preferred embodiment of the present invention; In this step f1; Further confirm the RSS barcode fragment quantity that this complete RSS barcode fragment combination is comprised according to the left side sign indicating number speech of the corresponding RSS barcode fragment of this search characteristics A1; In this step f2, the RSS barcode fragment quantity that is further comprised according to this complete RSS barcode fragment combination is confirmed this follow-up RSS barcode fragment combination.
According to one preferred embodiment of the present invention; In this step f; According to this RSS barcode fragment combination and the count value of the RSS barcode fragment combination of obtaining before this RSS barcode fragment combination and the RSS barcode fragment combination of obtaining are before spliced, the RSS barcode fragment combination that wherein this count value is high is more more preferentially spliced.
Through said method, obtain complete RSS barcode fragment combination through splicing various barcode fragment combination, improve the recognition rate of RSS bar code and be decoded into power.
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
[description of drawings]
Fig. 1 is the barcode fragment synoptic diagram of prior art RSS bar code;
Fig. 2 is the standard barcode fragment combination synoptic diagram of prior art RSS bar code;
Fig. 3 is the process flow diagram of RSS bar code decoding method of the present invention;
Fig. 4 is the process flow diagram of splicing step shown in Figure 3; And
Fig. 5 is the schematic block diagram of RSS bar-code decoder of the present invention.
The invention provides a kind of RSS bar code decoding method, this RSS bar code decoding method obtains complete RSS barcode fragment combination through splicing various barcode fragment combination, has improved the recognition rate of RSS bar code and has been decoded into power.
[embodiment]
As shown in Figure 3, in RSS bar code decoding method of the present invention, at first obtain a RSS barcode fragment combination.This RSS barcode fragment combination is formed by at least one RSS barcode fragment, and is preferably formed by a plurality of RSS barcode fragment.In practical application, camera system capable of using is repeatedly taken to the RSS bar code, and once photographing section bar code only obtains a plurality of image segments thus.At this moment, have a plurality of RSS barcode fragment on each image segments.Through being scanned then, image segments can obtain the RSS barcode fragment combination.In the present invention, can repeatedly scan a sub-picture fragment and obtain a plurality of RSS barcode fragment combination.
After obtaining a RSS barcode fragment combination, judge according to the search characteristics of the RSS barcode fragment in this RSS barcode fragment combination whether this RSS barcode fragment combination is the part of standard barcode fragment combination.As shown in Figure 2, include only 10 kinds of possible barcode fragment combination in the standard barcode fragment combination.If in shooting or scanning process,, be about to it and misread into other search characteristics because the existence of stained or other cause of failures may cause the search characteristics generation of certain the RSS barcode fragment in this RSS barcode fragment combination is misread.At this moment, can identify this existence of misreading situation through above-mentioned judgement.
If through above-mentioned judgement, confirm the part that this RSS barcode fragment combination is not the standard barcode fragment combination, then abandon this RSS barcode fragment combination, and obtain next RSS barcode fragment combination again.If through above-mentioned judgement, confirm the part that this RSS barcode fragment combination is this standard barcode fragment combination, continue then to judge whether this RSS barcode fragment combination repeats with the RSS barcode fragment combination of obtaining before.When judging that whether this RSS barcode fragment combination repeats with the RSS barcode fragment combination of obtaining before; The search characteristics of judging each the RSS barcode fragment in this RSS barcode fragment combination except needs whether with the RSS barcode fragment combination of obtaining before in each RSS barcode fragment consistent, also need judge each RSS barcode fragment left side sign indicating number speech and right sign indicating number speech whether with the RSS barcode fragment combination of obtaining before in each RSS barcode fragment consistent.A place is inconsistent thinks that then these two RSS barcode fragment combination are unduplicated as long as search characteristics, left side sign indicating number speech and right sign indicating number speech exist.
If this RSS barcode fragment combination does not repeat with the RSS barcode fragment combination of obtaining before; Think that then this RSS barcode fragment combination is the RSS barcode fragment combination of new input, and and then judge whether this RSS barcode fragment combination can splice with the RSS barcode fragment combination of obtaining before.
If this RSS barcode fragment combination can't be spliced with the RSS barcode fragment combination of obtaining before, then this RSS barcode fragment combination is retained in the buffer memory, and further obtains next RSS barcode fragment combination.If this RSS barcode fragment combination can be spliced with the RSS barcode fragment combination of obtaining before; Then splice this RSS barcode fragment combination and the RSS barcode fragment combination of obtaining before; Meet the complete RSS barcode fragment combination of this standard barcode fragment combination with formation, and then this complete RSS barcode fragment combination is deciphered.
If this RSS barcode fragment combination repeats with the RSS barcode fragment combination of obtaining before, then the corresponding count value of this RSS barcode fragment combination is added up, and judge whether this count value is predetermined value.If this count value reaches predetermined value; Think that then the confidence level of this RSS barcode fragment combination is very high; And can this RSS barcode fragment combination and other RSS barcode fragment combination of obtaining before be spliced; Meet the complete RSS barcode fragment combination of this standard barcode fragment combination with formation, and get into decoding.If count value does not reach or surpassed predetermined value, then obtain next RSS barcode fragment combination again.
As shown in Figure 4, the present invention further provides a kind of method that the RSS barcode fragment combination is spliced.In joining method of the present invention, at first search has the RSS barcode fragment combination of search characteristics A1 from this RSS barcode fragment combination and the RSS barcode fragment combination obtained before.Subsequently, according to this standard barcode fragment combination, search meets the follow-up RSS barcode fragment combination of this standard barcode fragment combination from this RSS barcode fragment combination and the RSS barcode fragment combination obtained before.
In a preferred embodiment; The RSS barcode fragment quantity that complete RSS barcode fragment combination is comprised confirmed in left side sign indicating number speech according to the corresponding RSS barcode fragment of search characteristics A1, and the RSS barcode fragment quantity that is further comprised according to complete RSS barcode fragment combination is searched for follow-up RSS barcode fragment combination.
In another preferred embodiment, according to the count value (degree of confidence) of RSS barcode fragment combination the RSS barcode fragment combination is spliced.Specifically; For example in splicing; At first select the highest RSS barcode fragment combination of count value (degree of confidence) as the basis, select the highest follow-up RSS barcode fragment combination of count value (degree of confidence) to splice the row decoding of going forward side by side again with search characteristics A1.If decoding failure, then continue with the highest RSS barcode fragment combination of count value to select the relatively low follow-up RSS barcode fragment combination of count value to splice as the basis with search characteristics A1, possible until travel through all splicings.That is to say that the RSS barcode fragment combination that this count value is high is more more preferentially spliced.
As shown in Figure 5, the present invention further discloses a kind of RSS bar-code decoder, comprise acquiring unit, first to fourth judging unit, concatenation unit, decoding unit and the unit that adds up.
Acquiring unit is used to obtain a RSS barcode fragment combination.This RSS barcode fragment combination is formed by at least one RSS barcode fragment, and is preferably formed by a plurality of RSS barcode fragment.
First judging unit is used for judging according to the search characteristics of the RSS barcode fragment of this RSS barcode fragment combination.If the part that this RSS barcode fragment combination is not the standard barcode fragment combination is then controlled acquiring unit and is obtained next RSS barcode fragment combination.
Second judging unit when first judging unit confirms that this RSS barcode fragment combination is this standard barcode fragment combination a part of, further judge this RSS barcode fragment combination whether with the RSS barcode fragment combination repetition of obtaining before.
The 3rd judging unit further judges whether this RSS barcode fragment combination can splice with the RSS barcode fragment combination of obtaining before when second judging unit confirms that this RSS barcode fragment combination does not repeat with the RSS barcode fragment combination of obtaining before.
When concatenation unit confirms that at the 3rd judging unit this RSS barcode fragment combination can be spliced with the RSS barcode fragment combination of obtaining before; This RSS barcode fragment combination and the RSS barcode fragment combination of obtaining are before spliced, meet the complete RSS barcode fragment combination of this standard barcode fragment combination with formation.
Decoding unit is deciphered this complete RSS barcode fragment combination.
Add up the unit when second judging unit confirms that this RSS barcode fragment combination repeats with the RSS barcode fragment combination of obtaining before, declare the corresponding count value of this RSS barcode fragment combination is added up.
Whether this count value of the 4th judgment unit judges is predetermined value.If this count value reaches predetermined value, then control concatenation unit this RSS barcode fragment combination and other RSS barcode fragment combination of obtaining are before spliced, meet the complete RSS barcode fragment combination of this standard barcode fragment combination with formation.If count value does not reach or surpassed predetermined value, then control acquiring unit and obtain next RSS barcode fragment combination again.
In addition, RSS bar-code decoder of the present invention further comprises the 5th judging unit and the 6th judging unit.
After the 5th judging unit splices the complete RSS barcode fragment combination of conformance with standard barcode fragment combination at concatenation unit; Judge whether to have traveled through all splicings maybe, and spliced all splicings at concatenation unit and maybe the back control acquiring unit and obtain next RSS barcode fragment combination again.
The 6th judging unit is used to then judge whether decoding unit deciphers success, if decipher the bar code decoding process that successfully then stops, and output correct decoding result.If the unsuccessful concatenation unit of then controlling of decoding splices the complete RSS barcode fragment combination that makes new advances.
In the above-described embodiments, only the present invention has been carried out exemplary description, but those skilled in the art can carry out various modifications to the present invention after reading present patent application under the situation that does not break away from the spirit and scope of the present invention.
Claims (8)
1. a RSS bar code decoding method is characterized in that, said RSS bar code decoding method comprises:
A. obtain the RSS barcode fragment combination that forms by at least one RSS barcode fragment;
B. according to the search characteristics in the said RSS barcode fragment, judge whether said RSS barcode fragment combination is the part of standard barcode fragment combination;
C. if the part that said RSS barcode fragment combination is said standard barcode fragment combination judges then whether said RSS barcode fragment combination repeats with the RSS barcode fragment combination of obtaining before;
D. if said RSS barcode fragment combination does not repeat with the RSS barcode fragment combination of obtaining before; Judge then whether said RSS barcode fragment combination can splice with the RSS barcode fragment combination of obtaining before; And get into step e, if said RSS barcode fragment combination repeats with the RSS barcode fragment combination of obtaining before, then the corresponding count value of said RSS barcode fragment combination is added up; And judge whether said count value is predetermined value, and get into step f;
E. can splice with the RSS barcode fragment combination of obtaining before as if said RSS barcode fragment combination; Then splice said RSS barcode fragment combination and the RSS barcode fragment combination of obtaining before; Meet the complete RSS barcode fragment combination of said standard barcode fragment combination with formation, and get into step g;
F. if said count value is a predetermined value, then splice said RSS barcode fragment combination and other RSS barcode fragment combination of obtaining before, meet the complete RSS barcode fragment combination of said standard barcode fragment combination, and get into step g with formation;
G. said complete RSS barcode fragment combination is deciphered.
2. RSS bar code decoding method according to claim 1 is characterized in that, in said step c, if the part that said RSS barcode fragment combination is not said standard barcode fragment combination is then abandoned said RSS barcode fragment combination, returns step a.
3. RSS bar code decoding method according to claim 1 is characterized in that, said step e comprises:
E1. search has the RSS barcode fragment combination of search characteristics A1 from said RSS barcode fragment combination and the RSS barcode fragment combination obtained before;
E2. according to said standard barcode fragment combination, search meets the follow-up RSS barcode fragment combination of said standard barcode fragment combination from said RSS barcode fragment combination and the RSS barcode fragment combination of obtaining before.
4. RSS bar code decoding method according to claim 3; It is characterized in that; In said step e1; Further confirm the RSS barcode fragment quantity that said complete RSS barcode fragment combination is comprised according to the left side sign indicating number speech of the corresponding RSS barcode fragment of said search characteristics A1, in said step e2, the RSS barcode fragment quantity that is further comprised according to said complete RSS barcode fragment combination is confirmed said follow-up RSS barcode fragment combination.
5. RSS bar code decoding method according to claim 1; It is characterized in that; In said step e; According to the said RSS barcode fragment combination and the count value of the RSS barcode fragment combination of obtaining before said RSS barcode fragment combination and the RSS barcode fragment combination of obtaining are before spliced, the RSS barcode fragment combination that wherein said count value is high is more more preferentially spliced.
6. RSS bar code decoding method according to claim 1 is characterized in that, said step f comprises:
F1. search has the RSS barcode fragment combination of search characteristics A1 from said RSS barcode fragment combination and the RSS barcode fragment combination obtained before;
F2. according to said standard barcode fragment combination, search meets the follow-up RSS barcode fragment combination of said standard barcode fragment combination from said RSS barcode fragment combination and the RSS barcode fragment combination of obtaining before.
7. RSS bar code decoding method according to claim 6; It is characterized in that; In said step f1; Further confirm the RSS barcode fragment quantity that said complete RSS barcode fragment combination is comprised according to the left side sign indicating number speech of the corresponding RSS barcode fragment of said search characteristics A1, in said step f2, the RSS barcode fragment quantity that is further comprised according to said complete RSS barcode fragment combination is confirmed said follow-up RSS barcode fragment combination.
8. RSS bar code decoding method according to claim 1; It is characterized in that; In said step f; According to the said RSS barcode fragment combination and the count value of the RSS barcode fragment combination of obtaining before said RSS barcode fragment combination and the RSS barcode fragment combination of obtaining are before spliced, the RSS barcode fragment combination that wherein said count value is high is more more preferentially spliced.
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| CN2010101888407A CN101840497B (en) | 2010-06-01 | 2010-06-01 | RSS barcode decoding method |
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| US8678286B2 (en) * | 2011-01-31 | 2014-03-25 | Honeywell Scanning & Mobility | Method and apparatus for reading optical indicia using a plurality of data sources |
| CN107766770A (en) * | 2017-10-31 | 2018-03-06 | 广东旭龙物联科技股份有限公司 | A kind of EAN13 codes coding/decoding method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1653470A (en) * | 2002-04-17 | 2005-08-10 | 国际条形码公司 | Sealable individual bar coded packets |
| CN101044662A (en) * | 2004-08-20 | 2007-09-26 | 国际条形码公司 | System and method for generating a combined bar code image |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040206821A1 (en) * | 1994-03-04 | 2004-10-21 | Andrew Longacre | Autodiscriminating bar code reading apparatus having solid state image sensor |
| US7017816B2 (en) * | 2003-09-30 | 2006-03-28 | Hewlett-Packard Development Company, L.P. | Extracting graphical bar codes from template-based documents |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1653470A (en) * | 2002-04-17 | 2005-08-10 | 国际条形码公司 | Sealable individual bar coded packets |
| CN101044662A (en) * | 2004-08-20 | 2007-09-26 | 国际条形码公司 | System and method for generating a combined bar code image |
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Address after: 350015 No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee after: NEWLAND DIGITAL TECHNOLOGY Co.,Ltd. Address before: 350015 New Continental Science Park No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee before: Fujian Newland Computer Co.,Ltd. |
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