CN105138940A - Light supplementing method in two-dimensional code scanning and system thereof - Google Patents
Light supplementing method in two-dimensional code scanning and system thereof Download PDFInfo
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Abstract
The invention provides a light supplementing method in two-dimensional code scanning and a system thereof. The light supplementing method comprises the steps of S1, starting a camera, recording the current on/off state of a light supplementing lamp; S2, acquiring data of a two-dimensional code image and storing by a processor through the camera; and S3, decoding the two-dimensional code image by the processor, and if decoding fails, changing the on/off state of the light supplementing lamp by the processor, and turning to the step S3 for resuming execution. The system comprises the camera, the light supplementing lamp and the processor. The processor comprises a first recording module, an acquiring module, a storing module, a decoding module and a control module. The camera and the light supplementing lamp are connected with the processor. Through automatically adjusting the on/off state of the light supplementing lamp by the processor, a requirement for determining whether the light supplementing lamp is required according to different environments in which the two-dimensional code is arranged is satisfied. The light supplementing method in two-dimensional code scanning and the system further have advantages of high environment adaptability and flexible and convenient operation.
Description
Technical field
The present invention relates to Quick Response Code recognition technology field, particularly a kind of Quick Response Code scanning light compensation method and system.
Background technology
Current Quick Response Code scanister needs the Quick Response Code of scanning be mainly arranged on screen or be printed on paper.Because screen itself can be luminous, if therefore the Quick Response Code of scan setting on screen time Quick Response Code scanister open light compensating lamp, then can affect the view data that camera reads, cause and decode unsuccessfully.For the Quick Response Code be printed on paper, because paper itself can not be luminous and be not easy utilizing emitted light, so need to open light compensating lamp during the Quick Response Code of scan setting on paper, to improve the sharpness of the image that camera reads, improve and be decoded into power.
Occur the Quick Response Code scanister comprising light compensating lamp at present, but light compensating lamp automatically according to the state that environment for use adjustment opens and closes, can not need the opening and closing of artificial setting light compensating lamp, uses inconvenience, affect the Experience Degree that user uses.
Publication number is the disposal route that the Chinese invention patent of CN104200189A discloses a kind of bar code scanner and bar code scanner, and described disposal route is: acquisition comprises at least one raw video of this object; The depth information of this object is produced according to this at least one raw video; The target information that this target piece is corresponding in this depth information is drawn according to this depth information; The intensity of in check reinforcement light is sent according to this depth information; Under the intensity of this reinforcement light in check, acquisition comprises the second image of this object; This target information is corresponded to this second image to obtain target image; And, according to this target image location bar code, to analyze the information of this bar code.In check reinforcement light is sent according to depth information corresponding in target information, avoid because reinforcement light is caused the problem of bar code not easily identification by reflecting, improve the identification of bar code, need the raw video by least one to produce depth information, method is comparatively complicated.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of Quick Response Code scanning light compensation method and the system that automatically can adjust light compensating lamp opening and closing.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of Quick Response Code scanning light compensation method, described method is:
S1 camera is opened; The open and-shut mode of the current light compensating lamp of processor for recording;
S2 processor is by camera collection image in 2 D code data and store;
S3 processor decodes image in 2 D code, if it is unsuccessful to decode, then the open and-shut mode of processor conversion light compensating lamp, forwards step S2 to and continues to perform.
Beneficial effect of the present invention is: then the open and-shut mode of the current light compensating lamp of processor for recording starts barcode scanning, if processor decodes image in 2 D code success under the open and-shut mode of current light compensating lamp, then terminates; Unsuccessful if decode, decode again after then the open and-shut mode of light compensating lamp being converted, transform method is: if current light compensating lamp is opened, then closed by light compensating lamp, if current light compensating lamp is closed, then light compensating lamp is opened, processor regulates the open and-shut mode of light compensating lamp to adapt to the demand of environment residing for Quick Response Code to light compensating lamp automatically, such as, if Quick Response Code is on the screen having brightness, the benefit then scanning camera during Quick Response Code is turned off the light when not opening, and it is high that Quick Response Code is decoded into power; If Quick Response Code is in papery, then, when scanning the light compensating lamp unlatching of camera during Quick Response Code, it is high that Quick Response Code is decoded into power, and the adaptive capacity to environment of described Quick Response Code scanner is comparatively strong, is decoded into power high, can promotes the experience of scanning input Quick Response Code.
A kind of Quick Response Code scanning light-supplementing system, comprise camera, light compensating lamp, processor, described processor comprises the first logging modle, acquisition module, memory module, decoder module, control module,
First logging modle, for recording the open and-shut mode of current light compensating lamp;
Acquisition module, for passing through camera collection image in 2 D code;
Memory module, for storing image in 2 D code;
Decoder module, for decode two dimensional codes image;
Control module, for controlling the opening and closing of light compensating lamp;
Camera is all connected with processor with light compensating lamp;
Described camera is all connected with processor with light compensating lamp.
Beneficial effect of the present invention is: camera, for obtaining image in 2 D code, light compensating lamp, for the light supply of camera, processor controls the opening and closing of camera and the opening and closing of light compensating lamp, and processor can store by camera collection image in 2 D code, and processor controls the opening and closing of light compensating lamp according to the success or not of decode two dimensional codes image, system architecture is reasonable, and adaptive capacity to environment is strong.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the Quick Response Code scanning light compensation method of the embodiment of the present invention one;
Fig. 2 is the process flow diagram of the Quick Response Code scanning light compensation method of the embodiment of the present invention two;
Fig. 3 is the structured flowchart of the Quick Response Code scanning light-supplementing system of the embodiment of the present invention three;
Fig. 4 is the structured flowchart of the Quick Response Code scanning light-supplementing system of the embodiment of the present invention four.
Label declaration:
1, camera; 2, light compensating lamp; 3, processor;
4, the first logging modle; 5, acquisition module; 6, memory module; 7, decoder module; 8, control module; 9, analysis module;
10, the second logging modle; 11, comparison module; 12, read module; 13, computing module.
Embodiment
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of most critical of the present invention is: when opening light compensating lamp decoding and being unsuccessful, automatic closedown light compensating lamp decoding, or when closing light compensating lamp decoding and being unsuccessful, automatic unlatching light compensating lamp decoding, make Quick Response Code scanner automatically can meet the needs of light compensating lamp and do not need the environment of light compensating lamp to carry out barcode scanning, improve the adaptive capacity to environment of Quick Response Code scanner, promote the experience of scanning input Quick Response Code.
The specific embodiment of the present invention is:
Please refer to Fig. 1 to Fig. 2, a kind of Quick Response Code scanning light compensation method, described method is:
S1 camera is opened; The open and-shut mode of the current light compensating lamp of processor for recording;
S2 processor is by camera collection image in 2 D code data and store;
S3 processor decodes image in 2 D code, processor decodes image in 2 D code, if it is unsuccessful to decode, then the open and-shut mode of processor conversion light compensating lamp, forwards step S2 to and continues to perform.
Further, also comprise:
In step sl, preset decoding periods, record the decode time of the processor decodes image in 2 D code from camera is opened;
In step s3, if it is unsuccessful to decode, then compares decode time and whether exceed decoding periods;
If decode time exceedes decoding periods, then close camera.
Seen from the above description, for to damage due to image in 2 D code or Quick Response Code deciphering rule is unclear etc. decode time that reason causes exceed decoding periods can't the situation of successful decode two dimensional codes image, take the measure of closing camera, inform that user can not successfully decode in this way, mode of operation is reasonable.
Further, between step S1 and step S2, also comprise:
Predetermined luminance threshold values, processor collection also stores image in 2 D code;
The brightness of the image in 2 D code of processor analyzing stored;
If described brightness is greater than luminance threshold, then processor controls light compensating lamp cut out;
If described brightness is less than or equal to luminance threshold, then processor control light compensating lamp is opened.
Seen from the above description, an image in 2 D code was first gathered and the brightness of analysis of two-dimensional code image before processor decodes image in 2 D code, determine whether opening light compensating lamp according to the brightness of image in 2 D code, and then decode, improve the success ratio of a successfully decoded, save the time of Quick Response Code successfully decoded, promote the experience of scanning input Quick Response Code.
Further, the brightness of the image in 2 D code of processor analyzing stored, is specially:
Processor is by the image in 2 D code data of camera collection to yuv format;
Read the brightness value of the image in 2 D code of yuv format.
Seen from the above description, in the image of yuv format, Y refers to luminance signal, U refers to carrier chrominance signal, and V is separated, and has compatible strong advantage, the form of the image in 2 D code collected is stored as the image of yuv format, is convenient to processor and directly obtains image in 2 D code brightness value, simple operation.
Further, the brightness of the image in 2 D code of processor analyzing stored, is specially:
Processor is by the image in 2 D code data of camera collection to rgb format;
Calculated the brightness value of image in 2 D code by R, G, B tristimulus values of the image in 2 D code of rgb format, computing formula is:
Y＝0.299*R+0.587*G+0.114*B。
Seen from the above description, in the image of rgb format, R refers to redness, G refers to green, and B refers to blueness, has and is widely used, the direct advantage of data acquisition, the form of the image in 2 D code collected is stored as the image of rgb format, then calculate the brightness of image in 2 D code, data processing is convenient.
Please refer to Fig. 1, embodiments of the invention one are:
A kind of Quick Response Code scanning light compensation method, described method is:
S1 camera is opened; The open and-shut mode of the current light compensating lamp of processor for recording;
S2 processor is by camera collection image in 2 D code data and store;
S3 processor decodes image in 2 D code, if it is unsuccessful to decode, then the open and-shut mode of processor conversion light compensating lamp, forwards step S2 to and continues to perform.
Please refer to Fig. 2, embodiments of the invention two are:
A kind of Quick Response Code scanning light compensation method, described method is:
S1 camera is opened; The open and-shut mode of the current light compensating lamp of processor for recording; Preset decoding periods, record the decode time of the processor decodes image in 2 D code from camera is opened;
S11 predetermined luminance threshold values, processor collection also stores image in 2 D code;
The brightness of the image in 2 D code of processor analyzing stored;
If described brightness is greater than luminance threshold, then processor controls light compensating lamp cut out;
If described brightness is less than or equal to luminance threshold, then processor control light compensating lamp is opened;
S2 processor is by camera collection image in 2 D code data and store;
S3 processor decodes image in 2 D code, if it is unsuccessful to decode, then compares decode time and whether exceedes decoding periods:
If decode time exceedes decoding periods, then close camera;
If decode time does not exceed decoding periods, then the open and-shut mode of processor conversion light compensating lamp, forwards step S2 to and continues to perform.
Please refer to Fig. 3 to Fig. 4, a kind of Quick Response Code scanning light-supplementing system, comprise camera 1, light compensating lamp 2, processor 3, described processor 3 comprises the first logging modle 4, acquisition module 5, memory module 6, decoder module 7, control module 8.
First logging modle 4, for recording the open and-shut mode of current light compensating lamp 2;
Acquisition module 5, for gathering image in 2 D code by camera 1;
Memory module 6, for storing image in 2 D code;
Decoder module 7, for decode two dimensional codes image;
Control module 8, for controlling the opening and closing of light compensating lamp 2;
Described camera 1 is all connected with processor 3 with light compensating lamp 2.
Further, processor 3 also comprises the second logging modle 10 and comparison module 11.
Second logging modle 10, for recording the decode time of the processor 3 decode two dimensional codes image from camera 1 is opened;
Whether comparison module 11, exceed decoding periods for comparing decode time.
Seen from the above description, arrange the second logging modle 10 and comparison module 11 for judging whether decode time exceedes decoding periods, in can not successfully decoding at processor 3, inform user, Operation system setting is reasonable.
Further, also comprise analysis module 9, for the brightness of the image in 2 D code of analyzing stored.
Seen from the above description, arrange the brightness of analysis module 9 for the treatment of device 3 analysis of two-dimensional code image, then processor 3 is according to the opening and closing of the brilliance control light compensating lamp 2 of image in 2 D code, and Operation system setting is reasonable, improves the success ratio of an image in 2 D code successfully decoded.
Further, described analysis module 9 comprises read module 12, for reading the brightness value of the image in 2 D code of yuv format.
Seen from the above description, if the form of the image in 2 D code stored is yuv format, then read the brightness value of the image in 2 D code of yuv format by read module 12, Operation system setting is reasonable, and operation directly.
Further, described analysis module 9 comprises computing module 13, and R, G, B tristimulus values for the image in 2 D code by rgb format calculate the brightness value of image in 2 D code.
Seen from the above description, if the form of the image in 2 D code stored is rgb format, then calculated the brightness value of image in 2 D code by R, G, B tristimulus values of the image in 2 D code of rgb format, Operation system setting is reasonable, simple operation.
Please refer to Fig. 3, embodiments of the invention three are:
A kind of Quick Response Code scanning light-supplementing system, comprise camera 1, light compensating lamp 2, processor 3, described processor 3 comprises the first logging modle 4, acquisition module 5, memory module 6, decoder module 7, control module 8,
First logging modle 4, for recording the open and-shut mode of current light compensating lamp 2;
Acquisition module 5, for gathering image in 2 D code by camera 1;
Memory module 6, for storing image in 2 D code;
Decoder module 7, for decode two dimensional codes image;
Control module 8, for controlling the opening and closing of light compensating lamp 2;
Described camera 1 is all connected with processor 3 with light compensating lamp 2.
Please refer to Fig. 4, embodiments of the invention four are:
A kind of Quick Response Code scanning light-supplementing system, comprise camera 1, light compensating lamp 2, processor 3, described processor 3 comprises the first logging modle 4, acquisition module 5, memory module 6, decoder module 7, control module 8, second logging modle 10, comparison module 11, analysis module 9, and described analysis module 9 comprises read module 12, computing module 13.
First logging modle 4, for recording the open and-shut mode of current light compensating lamp 2;
Acquisition module 5, for gathering image in 2 D code by camera 1;
Memory module 6, for storing image in 2 D code;
Decoder module 7, for decode two dimensional codes image;
Control module 8, for controlling the opening and closing of light compensating lamp 2;
Second logging modle 10, for recording the decode time of the processor 3 decode two dimensional codes image from camera 1 is opened;
Whether comparison module 11, exceed decoding periods for comparing decode time;
Analysis module 9, for the brightness of the image in 2 D code of analyzing stored;
Read module 12, for reading the brightness value of the image in 2 D code of yuv format;
Computing module 13, R, G, B tristimulus values for the image in 2 D code by rgb format calculate the brightness value of image in 2 D code;
Described camera 1 is all connected with processor 3 with light compensating lamp 2.
In sum, Quick Response Code scanning light compensation method provided by the invention and system, camera 1, for obtaining image in 2 D code, light compensating lamp 2, for the light supply of camera 1, processor 3 gathers, store, decode two dimensional codes image also controls the opening and closing of camera 1 and the opening and closing of light compensating lamp 2, comparison module 11 is set in processor 3 to judge whether decode time exceedes decoding periods, the brightness that analysis module 9 carrys out analysis of two-dimensional code image is set in processor 3, Operation system setting is reasonable, different Quick Response Code environment can be adapted to, be decoded into power high, the Quick Response Code decoding promoting user is experienced.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing instructions of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a Quick Response Code scanning light compensation method, it is characterized in that, described method is:
S1 camera is opened; The open and-shut mode of the current light compensating lamp of processor for recording;
S2 processor is by camera collection image in 2 D code data and store;
S3 processor decodes image in 2 D code, if it is unsuccessful to decode, then the open and-shut mode of processor conversion light compensating lamp, forwards step S2 to and continues to perform.
2. Quick Response Code scanning light compensation method according to claim 1, is characterized in that, also comprise:
In step sl, preset decoding periods, record the decode time of the processor decodes image in 2 D code from camera is opened;
In step s3, if it is unsuccessful to decode, then compares decode time and whether exceed decoding periods;
If decode time exceedes decoding periods, then close camera.
3. Quick Response Code scanning light compensation method according to claim 1, is characterized in that, between step S1 and step S2, also comprise:
Predetermined luminance threshold values, processor collection also stores image in 2 D code;
The brightness of the image in 2 D code of processor analyzing stored;
If described brightness is greater than luminance threshold, then processor controls light compensating lamp cut out;
If described brightness is less than or equal to luminance threshold, then processor control light compensating lamp is opened.
4. Quick Response Code scanning light compensation method according to claim 3, it is characterized in that, the brightness of the image in 2 D code of processor analyzing stored, is specially:
Processor is by the image in 2 D code data of camera collection to yuv format;
Read the brightness value of the image in 2 D code of yuv format.
5. Quick Response Code scanning light compensation method according to claim 3, it is characterized in that, the brightness of the image in 2 D code of processor analyzing stored, is specially:
Processor is by the image in 2 D code data of camera collection to rgb format;
Calculated the brightness value of image in 2 D code by R, G, B tristimulus values of the image in 2 D code of rgb format, computing formula is:
Y＝0.299*R+0.587*G+0.114*B。
6. a Quick Response Code scanning light-supplementing system, it is characterized in that, comprise camera, light compensating lamp, processor, described processor comprises the first logging modle, acquisition module, memory module, decoder module, control module,
First logging modle, for recording the open and-shut mode of current light compensating lamp;
Acquisition module, for passing through camera collection image in 2 D code;
Memory module, for storing image in 2 D code;
Decoder module, for decode two dimensional codes image;
Control module, for controlling the opening and closing of light compensating lamp;
Described camera is all connected with processor with light compensating lamp.
7. Quick Response Code scanning light-supplementing system according to claim 6, it is characterized in that, processor also comprises the second logging modle and comparison module,
Second logging modle, for recording the decode time of the processor decodes image in 2 D code from camera is opened;
Whether comparison module, exceed decoding periods for comparing decode time.
8. Quick Response Code scanning light-supplementing system according to claim 6, is characterized in that, also comprise analysis module, for the brightness of the image in 2 D code of analyzing stored.
9. Quick Response Code scanning light-supplementing system according to claim 8, it is characterized in that, described analysis module comprises read module, for reading the brightness value of the image in 2 D code of yuv format.
10. Quick Response Code scanning light-supplementing system according to claim 8, it is characterized in that, described analysis module comprises computing module, and R, G, B tristimulus values for the image in 2 D code by rgb format calculate the brightness value of image in 2 D code.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510498098.2A CN105138940A (en) | 2015-08-14 | 2015-08-14 | Light supplementing method in two-dimensional code scanning and system thereof |
| PCT/CN2016/091975 WO2017028669A1 (en) | 2015-08-14 | 2016-07-28 | Light supplementation method and system for two-dimensional code scanning |
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| CN201510498098.2A CN105138940A (en) | 2015-08-14 | 2015-08-14 | Light supplementing method in two-dimensional code scanning and system thereof |
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| WO2017028669A1 (en) * | 2015-08-14 | 2017-02-23 | 福建联迪商用设备有限公司 | Light supplementation method and system for two-dimensional code scanning |
| CN105654012A (en) * | 2015-12-30 | 2016-06-08 | 福建联迪商用设备有限公司 | POS code scanning payment method and device |
| CN105701655A (en) * | 2016-03-02 | 2016-06-22 | 上海皇和信息科技有限公司 | Code-scanning payment system and method based on USB encryption camera |
| CN105827890A (en) * | 2016-04-28 | 2016-08-03 | 乐视控股（北京）有限公司 | Method and apparatus for scanning 2D codes |
| CN107766768B (en) * | 2016-08-16 | 2022-12-13 | 手持产品公司 | Method for reading indicia from a display of a mobile device |
| CN107766768A (en) * | 2016-08-16 | 2018-03-06 | 手持产品公司 | Method for reading mark from the display of mobile device |
| CN107808109A (en) * | 2016-09-09 | 2018-03-16 | 中兴通讯股份有限公司 | A kind of image in 2 D code recognition methods and mobile terminal |
| CN106845316A (en) * | 2017-01-22 | 2017-06-13 | 深圳前海量子云码科技有限公司 | A kind of image processing method and device for mobile device |
| CN106941579A (en) * | 2017-03-03 | 2017-07-11 | 东软集团股份有限公司 | The method and device of image scanning |
| CN106951813A (en) * | 2017-04-12 | 2017-07-14 | 上海汇尔通信息技术有限公司 | The coding/decoding method and system of a kind of bar code |
| CN107609442A (en) * | 2017-09-01 | 2018-01-19 | 深圳天珑无线科技有限公司 | Barcode scanning method, mobile terminal and computer-readable recording medium |
| CN108038405A (en) * | 2017-12-22 | 2018-05-15 | 努比亚技术有限公司 | Barcode scanning light compensation method, mobile terminal and computer-readable recording medium |
| CN109214225A (en) * | 2018-07-04 | 2019-01-15 | 青岛海信移动通信技术股份有限公司 | A kind of scan method, device, mobile terminal and the storage medium of figure bar code |
| CN109165539A (en) * | 2018-08-14 | 2019-01-08 | 奇酷互联网络科技（深圳）有限公司 | Barcode scanning light compensation method and device |
| WO2020098233A1 (en) * | 2018-11-15 | 2020-05-22 | 深圳盈达信息科技有限公司 | Scanning device, supplementary lighting lamp control system for same, and control method |
| CN112115728A (en) * | 2018-11-15 | 2020-12-22 | 无锡盈达聚力科技有限公司 | Scanning device, and light supplement lamp control system and control method thereof |
| CN112115728B (en) * | 2018-11-15 | 2023-06-02 | 无锡盈达聚力科技有限公司 | Light supplementing lamp control method of scanning device |
| CN110502942A (en) * | 2019-07-19 | 2019-11-26 | 深圳盈达机器视觉技术有限公司 | Scanning means and its light filling lamp control method |
| CN110475079A (en) * | 2019-09-10 | 2019-11-19 | 上海快仓智能科技有限公司 | A kind of image exposure luminance regulating method, system and associated component |
| CN110677595A (en) * | 2019-10-16 | 2020-01-10 | 广东旭龙物联科技股份有限公司 | Exposure control method and device |
| CN112507754A (en) * | 2020-12-07 | 2021-03-16 | 苏州浩创信息科技有限公司 | Scanning decoding system and method |
| CN112507754B (en) * | 2020-12-07 | 2023-12-22 | 苏州浩创信息科技有限公司 | Scan decoding system and method |
| CN113536821A (en) * | 2021-07-12 | 2021-10-22 | 深圳青钿信息科技有限公司 | Novel two-dimensional code and two-dimensional code dividing method |
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