CN101004787A - Device and method for recognizing quick response codes run on mobile terminals - Google Patents
Device and method for recognizing quick response codes run on mobile terminals Download PDFInfo
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Abstract
A fast response code identification unit operated on mobile terminal consists of video camera head module for obtaining picture of fast response code, fast response code picture decoding module for obtaining character content in fast response code picture, fast response code picture character content analysis module for carrying out analysis on said picture character content, character coding conversion module for converting character coding format and display module for displaying converted characters.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of quick response codes recognition device and method of on portable terminal, moving with the quick response of identification (QR) code function.
Background technology
The QR sign indicating number has obtained widespread use in for example countries and regions in Japan, Korea S and Taiwan as a kind of two-dimensional bar, and is also carrying forward vigorously its use in CONTINENTAL AREA OF CHINA.After QR sign indicating number and portable terminal combined use, its range of application had obtained very big expansion especially.Behind the content generation QR sign indicating number of wanting to express, obtain this QR sign indicating number picture by the camera of portable terminal, decode by the decoder module in the portable terminal then, the content of decoding being come out by parsing module is resolved afterwards, at last analysis result is loaded in the middle of the different application in the portable terminal according to different application.For example, send to destination by the content decoding in the QR sign indicating number is come out by SMS/MMS/E-Mail etc., can reach orders goods waits the purpose of operation; Be saved in the portable terminal after parsing such as the QR sign indicating number that will be printed on the content (as name, phone number, home phone number, home address, CompanyAddress, E-mail etc.) that comprises this business card on the papery business card again, exempted the user imports these information by keyboard the inconvenience that is brought thus; In addition, can also will include by portable terminal and book tickets after ticket booking or the QR sign indicating number of consultation information parse or business such as consulting.
Because the QR sign indicating number is to develop at Asia Han culture environment exploitation specially, has the function of Chinese character information being carried out unique optimization process, meets the use habit of Chinese character country.The coding method of QR sign indicating number is as follows:
(1) digital data (numeral 0～9);
(2) alphanumeric data (numeral 0～9; Capitalization A～Z; 9 other characters: space, $, %,
*,+,-. ,/:);
(3) for octet type data, because the difference of countries and regions, though carried out the respective coding regulation in the standard, but because the use of QR sign indicating number all is in the initial stage of development in Taiwan and continent, so the character code that uses when making the QR bar code is relatively more chaotic and brought a lot of just constant.Now, in continent standard GB/T 18284-2000 (" quick response codes "), be defined as ASCII character character set (character value is that 00 under 16 systems are to FF), but there is not corresponding standard in the Taiwan, only be that generally regulation is used the relevant regulations of ISO18004 (" Information technology-Automatic identification anddata capture techiniques-Bar code symbology-QR code "), though adopt the UTF-8 coding to fixed for Chinese character in Taiwan " OMIA QuickMark application standard standard ", but because the octet pattern can be used any character set and coding, and BIG5 is coded in Taiwan and the use of area, Hong Kong is very general, uses very uncertain for Chinese character during use on the historical facts or anecdotes border.
(4) for the Chinese character pattern, not regulation and the use in the Taiwan, and in GB GB/T 18284-2000 (" quick response codes "), stipulate to adopt the GB2312 coding for Chinese character in the area, continent.
But above various standard all is to encode with ASCII character for numeral etc.In the QR sign indicating number, all there is mode indicators to indicate for each digital coding, though in a QR sign indicating number picture, can adopt above four kinds mixed mode, but can distinguish according to mode indicators, coded format for the 4th kind, in China's Mainland and Taiwan because not definition of Taiwan, so be easier to distinguish.But for the third octet pattern, because the problem of the coding that uses can and show identification and cause bigger difficulty.
A sales range is all arranged for various portable terminals originally, as be sold to the identification that to support traditional Chinese BIG5 etc. of Taiwan, identification for simplified form of Chinese Character GB2312 etc. is optionally, if but portable terminal sell in CONTINENTAL AREA OF CHINA, then really not so.
Because because the frequent and increasing Taiwan nationality personage of flow of personnel comes continent trade and work, this restriction will cause certain difficulty to mobile phone users now.Increasing cell phone manufacturer all is integrated into multiple character set and coding in the mobile phone, but since the QR sign indicating number each regional standard definition and actual use all inequality, therefore can be to decoding and the processing after decoding cause very big difficulty.In the third pattern of decoding, be in the octet pattern, can cause the difficulty of code identification, and promptly enable correctly the content character to be decoded next, when the current acquiescence coding of the coding that uses in the QR sign indicating number and mobile phone if not when same, (for example, mess code occurs and cause and can not normally show) still can go wrong in procedure for displaying.Existing processing mode is at first under the prerequisite of the coding of knowing the QR sign indicating number that will scan, option is set in mobile phone sets the speech encoding that will scan, and then, when identification the sign of this coding is passed to decoder module, mates and changes.But this processing meeting causes certain difficulty to user's use, and especially default user is familiar to the QR sign indicating number, gives the disagreeableness impression of user, because final user's requirement is exactly to obtain the result that oneself wants under the condition of using the least possible operation.
Summary of the invention
Consider defective of the prior art, fundamental purpose of the present invention is to provide a kind of quick response codes recognition mechanism that moves on the portable terminal with the quick response of identification (QR) code function, it can unify to consider to decode identification character and coding thereof and the character-coded coupling back and this machine of mobile phone of decoding, it can correctly show on portable terminal after Context resolution of the QR sign indicating number picture that adopts the different language coding is come out, and need not the character code mode of knowing that before decoding QR sign indicating number picture is adopted.
To achieve these goals, according to one embodiment of present invention, provide a kind of quick response codes recognition device that on portable terminal, moves with the quick response of identification (QR) code function.
This device comprises: the camera processing module is used to obtain the picture of quick response codes; Quick response codes picture decoder module is connected to the camera processing module, and the quick response codes picture that is used for the camera processing module is obtained is decoded, to obtain the character content in the quick response codes picture; Quick response codes picture character content parsing module is connected to quick response codes picture decoder module, is used for the quick response codes picture character content that quick response codes picture decoder module obtains is resolved; The character code modular converter is connected to quick response codes picture character content parsing module, is used to carry out the character encoding format conversion; And the display process module, be connected to the character code modular converter, be used for handling through the character of identification or conversion.
Wherein, the character code modular converter can be called by quick response codes picture character content parsing module, and the code conversion that is used for quick response codes is the coding that this machine adopted.And the processing module that the display process module also is used for loading the corresponding mobile terminal is further handled and is shown.
According to another embodiment of the present invention, provide a kind of quick response codes recognition methods based on said apparatus.
This method may further comprise the steps: first step, the camera processing module inputs to quick response codes picture decoder module with the quick response codes picture that obtains and carries out the picture processing, and quick response codes picture character content parsing module exported in the content character that afterwards parsing is obtained; Second step, quick response codes picture character content parsing module is resolved the content character of input, and exports different displaying contents according to different analysis results to the display process module; And third step, the displaying contents of display process module analysis input, and according to corresponding application on the analysis result loading portable terminal.
Wherein, second step further may further comprise the steps: steps A: quick response codes picture character content parsing module is inquired about this machine character code identification parameter, obtains this machine character code; Step B: but quick response codes picture character content parsing module judges whether the coding of the character content of input is this machine recognition coding, and carry out different disposal according to judged result.
And, step B further may further comprise the steps: be under the situation that is in judged result, proceed to step a, quick response codes picture character content is resolved mould and is judged whether the coding of character content is identical with this machine coding, if the two is identical, then character content being exported to the display process module is used for showing, if the two difference, then by the character code modular converter with the code conversion cost machine character encoding format of character content, and the character content after will change exports the display process module to and is used for demonstration; In judged result is under the situation not, proceeds to step b, and quick response codes picture character content parsing module is to display process module outputting alarm statement, and issuable interim output string in the middle of removing.
In addition, in above-mentioned third step, be under the situation of short-text message in character content, display process module loading short-text message application program, and be under the situation of phone directory in character content, display process module loading phonebook module.
By technique scheme, the present invention correctly is presented on the portable terminal after the Context resolution that adopts the QR sign indicating number picture of different language coding can being come out, and has made things convenient for user's operation.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the block diagram according to the quick response codes recognition device that moves on the portable terminal with identification quick response codes function of first embodiment of the invention;
Fig. 2 is the process flow diagram according to the quick response codes recognition methods that moves on the portable terminal with identification quick response codes function of second embodiment of the invention;
Fig. 3 is the tool process flow diagram according to the method for second embodiment of the invention automatic identification character coding when the Chinese mode;
Fig. 4 handles the how character-coded process flow diagram of Chinese character when the octet pattern according to the method for second embodiment of the invention;
Fig. 5 judges whether process flow diagram into the UTF-8 coding when the octet pattern according to the method for second embodiment of the invention; And
Fig. 6 judges whether process flow diagram into the BIG5 coding when the octet pattern according to the method for second embodiment of the invention.
Embodiment
Describe the present invention below with reference to the accompanying drawings in detail.
First embodiment
As shown in Figure 1, comprise according to the quick response codes recognition device 100 that moves on the portable terminal with identification quick response codes function of first embodiment of the invention: camera processing module 102 is used to obtain the picture of quick response codes; Quick response codes picture decoder module 104 is connected to camera processing module 102, and the quick response codes picture that is used for camera processing module 102 is obtained is decoded, to obtain the character content in the quick response codes picture; Quick response codes picture character content parsing module 106 is connected to quick response codes picture decoder module 104, is used for quick response codes picture decoder module 104 being used for of obtaining resolved quick response codes picture character content; Character code modular converter 108 is connected to quick response codes picture character content parsing module 106, is used to carry out the character encoding format conversion; And display process module 110 (being preferably MMI display process module), be connected to character code modular converter 108, be used for handling through the character of identification or conversion.
Wherein, character code modular converter 108 can be called by quick response codes picture character content parsing module 106, and the code conversion that is used for quick response codes is the coding that this machine adopted.And the processing module that the display process module also is used for loading the corresponding mobile terminal is further handled and is shown.
And, the parsing module 106 of quick response codes picture character content, this machine of inquiry character code indicates parameter earlier, thereby the character code of this machine of obtaining, judge the coding of input character content then, if the character code that this machine cannot be discerned is then exported to display process module 110 with the warning statement of " the prompting user does not support this coded format " and is shown, and issuable interim output string in the middle of removing.If the character code that this machine can be discerned then carries out following processing: if this character code is identical with this machine of mobile phone coding, then this character string is not handled, directly it is passed to MMI display process module 110 as output string and show; If this character code is inequality with this machine of mobile phone coding, then be converted into the character encoding format of this machine, and the output string that generates after the conversion shows for MMI display process module 110 by character code modular converter 106.
Preferably, after MIMI display process module 110 obtains output string, can analyze, thereby load application corresponding on the portable terminal,, then load the SMS application and carry out operations such as follow-up transmission or preservation by the user if be SMS according to character content; If phone directory loads then that phonebook module is checked by the user and the operation of preservation etc., other are also handled accordingly as MMS/E-Mail/ online type bar code content etc.
Second embodiment
As shown in Figure 2, the quick response codes recognition methods based on said apparatus according to second embodiment of the invention may further comprise the steps: step S202, the camera processing module inputs to quick response codes picture decoder module with the quick response codes picture that obtains and carries out the picture processing, and quick response codes picture character content parsing module exported in the content character that afterwards parsing is obtained; Step S204, quick response codes picture character content parsing module is resolved the content character of input, and exports different displaying contents according to different analysis results to the display process module; And step S206, the displaying contents of display process module analysis input, and according to corresponding application on the analysis result loading portable terminal.
Wherein, step S204 further may further comprise the steps: steps A: quick response codes picture character content parsing module is inquired about this machine character code identification parameter, obtains this machine character code; Step B: but quick response codes picture character content parsing module judges whether the coding of the character content of input is this machine recognition coding, and carry out different disposal according to judged result.
And, step B further may further comprise the steps: be under the situation that is in judged result, proceed to step a, quick response codes picture character content is resolved mould and is judged whether the coding of character content is identical with this machine coding, if the two is identical, then character content being exported to the display process module is used for showing, if the two difference, then by the character code modular converter with the code conversion cost machine character encoding format of character content, and the character content after will change exports the display process module to and is used for demonstration; In judged result is under the situation not, proceeds to step b, and quick response codes picture character content parsing module is to display process module outputting alarm statement, and issuable interim output string in the middle of removing.
In addition, in above-mentioned steps S206, be under the situation of short-text message in character content, display process module loading short-text message application program, and be under the situation of phone directory in character content, display process module loading phonebook module.
To be described at the application example under the different situations this method below.
Fig. 3 shows the identification character coding flow process of this method under Chinese mode.As shown in Figure 3, Ci Shi treatment step is as follows:
At first, from module (for example, quick reflection code character Context resolution module 106 among Fig. 1) the decoding QR sign indicating number picture character content of coming out obtains Chinese mode according to mode indicators, then, corresponding to above-mentioned steps S204, judge whether back four of adjacent modes designator are 0001, if, then show the GB2312 that is encoded to of this QR sign indicating number picture, otherwise it is labeled as the character code that can not resolve.After judging coding, its character code with this machine is compared: (1), is delivered to MMI display process module 110 with the character content that parses and is handled (if be SMS corresponding to above-mentioned steps a if identical, then load SMS and use, carry out operations such as follow-up transmission or preservation by the user; If phonebook module then loads phonebook module, check and the operation of preservation etc. that by the user other are also handled accordingly as MMS/E-Mail/ online type bar code content etc.); (2) if inequality,, then it is labeled as the character code that to resolve, does not support the warning message of this character to send to display process module 110 the prompting user and handle, final information is shown to man-machine interface corresponding to above-mentioned steps b.
Fig. 4 shows the flow process of the identification character coding under the octet pattern.Its treatment step is as follows:
The QR sign indicating number picture character content of coming out from 106 decodings of quick response codes picture character content parsing module obtains the octet pattern according to mode indicators, then the data bit stream of obtaining is judged (step 41), judge whether coding for UTF-8, if words, it is compared with this machine coding, if identical, then directly the result is exported to MMI display module 110 and handle, show net result; If different, then be converted into this machine coding earlier, then the character after the conversion is decoded, make it to be called corresponding character and output to MMI display module 110 again, show net result.If not the UTF-8 coding then continues the data bit stream is carried out determining step 42, judge whether it is the BIG5 coding, if words, it is compared with this machine coding,, show net result if the identical MMI display module 110 of then directly the result being exported to is handled; If different, then be converted into this machine coding earlier, then the character after the conversion is decoded, make it to become corresponding character and output to MMI display module 110 again, show net result.If its neither BIG5 coding, then with the coded markings of this data bit stream for discerning, and the corresponding prompt warning message sent to MMI display module 110 handle, show final warning message.
Fig. 5 shows the idiographic flow of identification UTF-8 coding when the octet pattern, and corresponding to aforementioned determining step 41, its treatment step is as follows:
(1) first byte in the data bit stream of at first obtaining;
(2) judge whether first of this byte is 0;
(3) if first of this byte in the data bit stream is 0, whether judge this byte value,, obtain the character code of this machine and judge whether it is the UTF-8 coding if then this byte is the ASCII character value with the UTF-8 coding less than 0X80; If not the UTF-8 coding is then also decoded the coding that the byte conversion that parses conforms to for this machine character code in view of the above, the character that decoding is come out adds among the new output string Str; If the UTF-8 coding then need not changed, directly this byte is decoded, decoded character is added among the new output string Str; After obtaining output string Str, judge current byte the next-door neighbour whether byte arranged, if having, the next-door neighbour's of byte next byte before then obtaining is got back to (2) then and is proceeded to handle; If do not had byte, the UTF-8 that is encoded to that then can judge the content character of this QR sign indicating number picture encodes, and the character among the output string Str promptly has been decoded as the character-coded final character of this machine, and it can be directly used in the processing of MMI display process module.
If not less than 0X80, illustrate that then this byte is not the UTF-8 coding, and the coding of character is not UTF coding, all the elements among the removing output string Str yet under this octet pattern.
(4) if first of this byte in the data bit stream is not 0, then:
Obtain this byte middle front part and be 1 figure place n (regulation: will comprise this byte) herein at common n interior and follow-up byte definition character module, judge that whether n is greater than 6, if n is greater than 6, illustrate that then this byte is not the UTF-8 coding, the coding of character also not for the UTF coding, is removed all the elements among the output string Str under this octet pattern; If n is not more than 6, then get follow-up (n-1) individual byte, and judge whether the front two of these bytes is 10, if be not 10, illustrate that then the coding of character under this octet pattern is not the UTF-8 coding, and remove all the elements among the output string Str; If 10, judge then whether this machine is the UTF-8 coding, if not the UTF-8 coding then with the coding of byte conversion for being consistent with this machine character code that parses, and is decoded thus, the character that decoding is come out adds among the new output string Str; If the UTF-8 coding then need not changed, can directly decode to this byte, decoded character is added among the new output string Str; After obtaining output string Str, judge the follow-up next-door neighbour's of current character module the byte that whether has, if having, then obtain the follow-up next-door neighbour's of current character module next byte, get back to step (2) then and proceed to handle; If do not had byte, the UTF-8 that is encoded to that then can judge the content character of this QR sign indicating number picture encodes, and the character among the output string Str is and is decoded as the character-coded final character of this machine, and it can be directly used in the processing of MMI display process module.
Fig. 6 shows the idiographic flow of identification BIG5 coding when the octet pattern, and corresponding to the processing of determining step among Fig. 4 42, its treatment step is as follows:
(1) first in the data bit stream of at first obtaining and second byte;
(2) judge whether to satisfy " first byte belongs to 0xA1-0xF9 and second byte belongs to the 0x40-0x7E scope or belong to 0xA1-0xFE ";
(3) if satisfy this condition, judge then whether this machine is the BIG5 coding: if not the BIG5 coding, the byte conversion that parses is also decoded thus for the coding that is consistent with this machine character code, and the character that decoding is drawn adds among the new output string Str; If the BIG5 coding then need not changed, directly this byte is decoded, decoded character is added among the new output string Str;
After obtaining output string Str, judge current two follow-up next-door neighbours' of byte the byte that whether has, if having, then obtain following two bytes of current two follow-up next-door neighbours of byte, get back to step (2) then and proceed to handle; If do not had byte, the UTF-8 that is encoded to that then can judge the content character of this QR sign indicating number picture encodes, and the character among the output string Str, promptly being decoded as the character-coded final character of this machine, it can be directly used in the processing of MMI display process module;
(4), illustrate that then the coding of character under this octet pattern is not the BIG5 coding, and remove all the elements among the output string Str if do not satisfy this condition.
Adopt the portable terminal of the automatic identification character coding of the invention described above method, promptly realized for the traditional font of Chinese and the automatic identification of simplified multiple coding, and in identification, character has been decoded, improved the efficient of identification and decoding.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a quick response codes recognition device runs on the portable terminal with identification quick response codes function, it is characterized in that, comprising:
The camera processing module is used to obtain the picture of quick response codes;
Quick response codes picture decoder module is connected to described camera processing module, is used for the quick response codes picture that described camera processing module is obtained is decoded, to obtain the character content in the described quick response codes picture;
Quick response codes picture character content parsing module is connected to described quick response codes picture decoder module, is used for the described quick response codes picture character content that described quick response codes picture decoder module obtains is resolved;
The character code modular converter is connected to described quick response codes picture character content parsing module, is used to carry out the character encoding format conversion; And
The display process module is connected to described character code modular converter, is used for handling through the character of identification or conversion.
2. method according to claim 1 is characterized in that, described character code modular converter can be called by described quick response codes picture character content parsing module, and the code conversion that is used for described quick response codes is the coding that this machine adopted.
3. method according to claim 1 is characterized in that, the processing module that described display process module also is used for loading the corresponding mobile terminal is further handled and shown.
4. quick response codes recognition methods is used according to each described quick response codes recognition device in the claim 1 to 3, it is characterized in that, may further comprise the steps:
First step, camera processing module input to quick response codes picture decoder module with the quick response codes picture that obtains and carry out the picture processing, and quick response codes picture character content parsing module exported in the content character that afterwards parsing is obtained;
Second step, described quick response codes picture character content parsing module is resolved the content character of input, and exports different displaying contents according to different analysis results to the display process module; And
Third step, the described displaying contents of described display process module analysis input, and according to corresponding application on the analysis result loading portable terminal.
5. method according to claim 4 is characterized in that, described second step further may further comprise the steps:
Steps A: described quick response codes picture character content parsing module is inquired about this machine character code identification parameter, obtains this machine character code;
Step B: but described quick response codes picture character content parsing module judges whether the coding of the character content of input is this machine recognition coding, and carry out different disposal according to judged result.
6. method according to claim 5 is characterized in that, described step B further may further comprise the steps:
In judged result is under the situation that is, proceeds to step a,
Step a: described quick response codes picture character content is resolved mould and is judged whether the coding of described character content is identical with this machine coding, if the two is identical, then described character content being exported to the display process module is used for showing, if the two difference, then by the character code modular converter with the code conversion cost machine character encoding format of described character content, and the character content after will change exports the display process module to and is used for demonstration;
In judged result is under the situation not, proceeds to step b,
Step b: described quick response codes picture character content parsing module is to display process module outputting alarm statement, and issuable interim output string in the middle of removing.
7. method according to claim 4 is characterized in that, in described third step, is under the situation of short-text message in described character content, described display process module loading short-text message application program.
8. method according to claim 4 is characterized in that, in described third step, is under the situation of phone directory in described character content, described display process module loading phonebook module.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007452A (en) * | 2015-07-01 | 2015-10-28 | 华东师范大学 | Camera-based data transmission system |
| WO2017135905A1 (en) * | 2016-02-05 | 2017-08-10 | Mettkaruchit Monai | Automatic zooming front-camera two-dimensional qr code sensor without on-screen two-dimensional or qr code display |
| CN110569690A (en) * | 2018-06-06 | 2019-12-13 | 浙江宇视科技有限公司 | Target information acquisition method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100703421B1 (en) * | 2003-01-20 | 2007-04-03 | 삼성전자주식회사 | Device and method for communicating moving picture using trasnscoding |
| CN1275182C (en) * | 2004-03-22 | 2006-09-13 | 王越 | Two-D bar code reading method and appts. thereof |
| JP2005335316A (en) * | 2004-05-28 | 2005-12-08 | Sato Corp | Portable printer |
| CN1741548A (en) * | 2004-08-24 | 2006-03-01 | 维深巨合（北京）科技有限责任公司 | Method for realizing decoding to mobile phone bar code based on mobile value-added platform |
| KR100678169B1 (en) * | 2004-10-28 | 2007-02-02 | 삼성전자주식회사 | System and method for transmitting data between two terminal equipments distant from each other |
| CN1787662A (en) * | 2004-12-07 | 2006-06-14 | 北京银河视讯传媒广告有限公司 | Apparatus and method for controlling movable terminal display |
| CN1665249A (en) * | 2005-03-17 | 2005-09-07 | 沈阳敏像科技有限公司 | Handset capable of identifying genuine and fake of commodity and identification method thereof |
| CN1841425A (en) * | 2005-03-31 | 2006-10-04 | 华为技术有限公司 | Mobile terminal shopping method and system thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007452A (en) * | 2015-07-01 | 2015-10-28 | 华东师范大学 | Camera-based data transmission system |
| WO2017135905A1 (en) * | 2016-02-05 | 2017-08-10 | Mettkaruchit Monai | Automatic zooming front-camera two-dimensional qr code sensor without on-screen two-dimensional or qr code display |
| CN110569690A (en) * | 2018-06-06 | 2019-12-13 | 浙江宇视科技有限公司 | Target information acquisition method and device |
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| CN100440778C (en) | 2008-12-03 |
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