CN109918960A - A kind of method and device decoding dynamic two-dimension code - Google Patents
A kind of method and device decoding dynamic two-dimension code Download PDFInfo
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- CN109918960A CN109918960A CN201711322361.8A CN201711322361A CN109918960A CN 109918960 A CN109918960 A CN 109918960A CN 201711322361 A CN201711322361 A CN 201711322361A CN 109918960 A CN109918960 A CN 109918960A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
Abstract
In the embodiment of the present invention, a kind of method for decoding dynamic two-dimension code is proposed, wherein, the dynamic two-dimension code includes the two dimensional code frame of multiple variations, this method comprises: the target effective information obtained in two dimensional code frame is decoded the dynamic two-dimension code according to the target effective information；The decoding scheme for dynamic two-dimension code is given in this scenario, solves defect existing in the prior art, and, including frame number from the information also described in power in frame, and obtaining the technical characteristic of effective information from the subsequent frame of present frame, in this way, even if the two dimensional code frame currently read is not the starting two dimensional code frame in frame period, all effective informations can also be read in subsequent two dimensional code frame, it is thus possible to improve decoded accuracy.
Description
Technical field
The present invention relates to planar bar code technology field more particularly to a kind of method and devices for decoding dynamic two-dimension code.
Background technique
With the fast development of mobile network, the fast lifting for the mobile data rate that network is supported, Mobile business
Development condition has reached its maturity.And in the development process of Mobile business, terminal may be implemented to link up at any time, everywhere and transmitting letter
The function of breath, moreover, continuing to bring out for new opplication is also filled with for the development of Mobile business with the continuous promotion of terminal capabilities
New power.
Various new opplications based on terminal, applying for two dimensional code play important role in the development of Mobile business,
Two dimensional code can integrate the information such as image, sound, text as a kind of completely new automatic identification and information carrier technology,
To increase the information content of carrying.Two dimensional code can be printed on the media such as newspaper, magazine, books, packaging and personal business card,
By two dimensional code, the accurate through of information may be implemented, improve the speed and precision of information collection, it can also be daily for shopping etc.
Life provides convenience.
But current two dimensional code is static two dimensional code, coding/decoding method is all the coding/decoding method to static two dimensional code.
Summary of the invention
In view of the above problems, the present invention is proposed, overcome the above problem in order to provide one kind or at least is partially solved
A kind of method and device of decoding dynamic two-dimension code of the above problem is directed to for solving not yet presence existing in the prior art
The defect of the coding/decoding method of dynamic two-dimension code.
According to the present invention in a first aspect, provide it is a kind of decode dynamic two-dimension code method, wherein the Dynamic Two-dimensional
Code includes the two dimensional code frame of multiple variations, this method comprises:
Obtain the target effective information in two dimensional code frame；
According to the target effective information, the dynamic two-dimension code is decoded.
In one embodiment, method described in above embodiment according to the present invention obtains in two dimensional code frame
Target effective information, comprising:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is complete effective information, believe the first information as the target effective
Breath.
In some embodiments, method described in any of the above-described embodiment according to the present invention obtains two dimensional code frame
In target effective information, comprising:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is a part of complete effective information, from its except the current two-dimension frame
Other parts effective information is obtained in his two dimensional code frame；
Using the first information and other parts effective information as the target effective information.
In some embodiments, method described in any of the above-described embodiment according to the present invention obtains two dimensional code frame
In target effective information, comprising:
Obtain the first information in current two-dimension；
Determine whether the first information belongs to effective information；
If the first information is not belonging to effective information, from other two dimensional code frames except the current two-dimension frame
Middle acquisition other parts effective information；
Using the other parts effective information as the target effective information.
In some embodiments, method described in any of the above-described embodiment according to the present invention obtains two dimensional code frame
In target effective information, comprising:
Obtain the information for all two dimensional code frames that sum is the frame period；
Location information is extracted from acquired information, wherein two dimensional code locating for location information instruction effective information
Frame；
According to location information from the information in the two dimensional code frame for filtering out instruction in the information of acquisition, and the letter that will be filtered out
Breath is used as the target effective information.
In some embodiments, method described in any of the above-described embodiment according to the present invention, the location information
It is obtained in the information from all two dimensional code frames that the sum of acquisition is the frame period or pre-stored.
In some embodiments, method described in any of the above-described embodiment according to the present invention works as the first two from described
It ties up and obtains other parts effective information in other two dimensional code frames except code frame, comprising:
For each of other parts effective information effective information, determine the effective information a frame period
In locating two dimensional code frame, filter out at least one two dimensional code frame from determining two dimensional code frame, and it is described at least one two
The effective information is read in dimension code frame, wherein at least one described two dimensional code frame is in the frame week where the current two-dimension frame
It is interim and be located at the current two-dimension frame after.
In some embodiments, method described in any of the above-described embodiment according to the present invention, each two dimensional code frame
Information in include the two dimensional code frame frame number.
In some embodiments, method described in any of the above-described embodiment according to the present invention, described at least one
The effective information is read in a two dimensional code frame, comprising:
It is determined from least one two dimensional code frame locating for the effective information short from most with the current two-dimension frame pitch
First object two dimensional code frame；
Judge whether read the effective information in the first object two dimensional code frame；
If so, stopping continuing to read the effective information；
Otherwise, it determines to be located at the first object two dimensional code from least one two dimensional code frame locating for the effective information
From shortest target two dimensional code frame after frame and with the first object two dimensional code frame pitch, read from the target two dimensional code frame
The effective information.
In some embodiments, method described in any of the above-described embodiment according to the present invention, from the effective information
It is determined at least one locating two dimensional code frame with the current two-dimension frame pitch from shortest first object two dimensional code frame, packet
It includes:
Calculate the frame number of each two dimensional code frame and the current two-dimension frame at least one described two dimensional code frame
Difference between frame number；
Using the two dimensional code frame that corresponding difference is minimum value as the first object two dimensional code frame.
In some embodiments, method described in any of the above-described embodiment according to the present invention obtains two dimensional code frame
In target effective information, comprising:
The target effective information in Rule two dimensional code frame is read according to information.
In some embodiments, method described in any of the above-described embodiment according to the present invention, the information are read
Rule obtains in advance, or carries in the information of each two dimensional code frame.
In some embodiments, method described in any of the above-described embodiment according to the present invention, each two dimensional code frame
Information in include totalframes included by frame period.
In some embodiments, method described in any of the above-described embodiment according to the present invention, from determining two dimension
At least one two dimensional code frame is filtered out in code frame, comprising:
To be located in the frame period where current two-dimension frame in determining two dimensional code frame, and corresponding frame number be less than it is total
The two dimensional code frame of frame number, as at least one described two dimensional code frame.
In some embodiments, method described in any of the above-described embodiment according to the present invention, the method are also wrapped
It includes:
If not reading complete effective information in the frame period locating for the current two-dimension frame, described current
Effective information is re-read in next frame period in frame period locating for frame, and is read according in next frame period
The effective information arrived parses the dynamic two-dimension code.
In some embodiments, method described in any of the above-described embodiment according to the present invention, according to the target
Effective information is decoded the dynamic two-dimension code, comprising:
The target effective information got is spliced according to infologic ordering rule, parses the Dynamic Two-dimensional
The information that code is carried.
In some embodiments, method described in any of the above-described embodiment according to the present invention, the infologic
Ordering rule is default acquisition, or is carried in the information of each two dimensional code frame.
In the second aspect of embodiment of the present invention, a kind of device for decoding dynamic two-dimension code is provided, wherein described
Dynamic two-dimension code includes the two dimensional code frame of multiple variations, which includes:
Acquiring unit, for obtaining the target effective information in two dimensional code frame；
Decoding unit, for being decoded to the dynamic two-dimension code according to the target effective information.
In one embodiment, device described in above embodiment according to the present invention, the acquiring unit obtain
Target effective information in two dimensional code frame, comprising:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is complete effective information, believe the first information as the target effective
Breath.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the acquiring unit
Obtain the target effective information in two dimensional code frame, comprising:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is a part of complete effective information, from its except the current two-dimension frame
Other parts effective information is obtained in his two dimensional code frame；
Using the first information and other parts effective information as the target effective information.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the acquiring unit
Obtain the target effective information in two dimensional code frame, comprising:
Obtain the first information in current two-dimension；
Determine whether the first information belongs to effective information；
If the first information is not belonging to effective information, from other two dimensional code frames except the current two-dimension frame
Middle acquisition other parts effective information；
Using the other parts effective information as the target effective information.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the acquiring unit
Obtain the target effective information in two dimensional code frame, comprising:
Obtain the information for all two dimensional code frames that sum is the frame period；
Location information is extracted from acquired information, wherein two dimensional code locating for location information instruction effective information
Frame；
According to location information from the information in the two dimensional code frame for filtering out instruction in the information of acquisition, and the letter that will be filtered out
Breath is used as the target effective information.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the location information
It is obtained in the information from all two dimensional code frames that the sum of acquisition is the frame period or pre-stored.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the acquiring unit
Other parts effective information is obtained from other two dimensional code frames except the current two-dimension frame, comprising:
For each of other parts effective information effective information, determine the effective information a frame period
In locating two dimensional code frame, filter out at least one two dimensional code frame from determining two dimensional code frame, and it is described at least one two
The effective information is read in dimension code frame, wherein at least one described two dimensional code frame is in the frame week where the current two-dimension frame
It is interim and be located at the current two-dimension frame after.
In some embodiments, device described in any of the above-described embodiment according to the present invention, each two dimensional code frame
Information in include the two dimensional code frame frame number.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the acquiring unit
The effective information is read at least one described two dimensional code frame, comprising:
It is determined from least one two dimensional code frame locating for the effective information short from most with the current two-dimension frame pitch
First object two dimensional code frame；
Judge whether read the effective information in the first object two dimensional code frame；
If so, stopping continuing to read the effective information；
Otherwise, it determines to be located at the first object two dimensional code from least one two dimensional code frame locating for the effective information
From shortest target two dimensional code frame after frame and with the first object two dimensional code frame pitch, read from the target two dimensional code frame
The effective information.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the acquiring unit
It is determined from least one two dimensional code frame locating for the effective information with the current two-dimension frame pitch from shortest first mesh
Mark two dimensional code frame, comprising:
Calculate the frame number of each two dimensional code frame and the current two-dimension frame at least one described two dimensional code frame
Difference between frame number；
Using the two dimensional code frame that corresponding difference is minimum value as the first object two dimensional code frame.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the acquiring unit
Obtain the target effective information in two dimensional code frame, comprising:
The target effective information in Rule two dimensional code frame is read according to information.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the information are read
Rule obtains in advance, or carries in the information of each two dimensional code frame.
In some embodiments, device described in any of the above-described embodiment according to the present invention, each two dimensional code frame
Information in include totalframes included by frame period.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the acquiring unit
At least one two dimensional code frame is filtered out from determining two dimensional code frame, comprising:
To be located in the frame period where current two-dimension frame in determining two dimensional code frame, and corresponding frame number be less than it is total
The two dimensional code frame of frame number, as at least one described two dimensional code frame.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the decoding unit
It is also used to, if the acquiring unit does not read complete effectively letter in the frame period locating for the current two-dimension frame
Breath re-reads effective information in next frame period in the frame period locating for the present frame, and according to described next
The effective information read in a frame period parses the dynamic two-dimension code.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the decoding unit
According to the target effective information, the dynamic two-dimension code is decoded, comprising:
The target effective information got is spliced according to infologic ordering rule, parses the Dynamic Two-dimensional
The information that code is carried.
In some embodiments, device described in any of the above-described embodiment according to the present invention, the infologic
Ordering rule is default acquisition, or is carried in the information of each two dimensional code frame.
In the embodiment of the present invention, a kind of method for decoding dynamic two-dimension code is proposed, wherein the dynamic two-dimension code includes more
The two dimensional code frame of a variation is believed this method comprises: obtaining the target effective information in two dimensional code frame according to the target effective
Breath, is decoded the dynamic two-dimension code；The decoding scheme for dynamic two-dimension code is given in this scenario, is solved existing
There is defect present in technology, also, including frame number from the information also described in power in frame, and from the subsequent of present frame
The technical characteristic of effective information is obtained in frame, in this way, even if the two dimensional code frame currently read is not the starting two dimension in frame period
Code frame, can also read all effective informations in subsequent two dimensional code frame, it is thus possible to improve that reads is accurate
Degree.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of flow chart for the decoding dynamic two-dimension code frame that embodiment according to the present invention proposes；
Fig. 2 is a kind of schematic diagram of the device for the decoding dynamic two-dimension code frame that embodiment according to the present invention proposes.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
The process that Fig. 1 schematically shows the method 10 of the decoding dynamic two-dimension code frame of embodiment according to the present invention is shown
It is intended to, wherein the dynamic two-dimension code includes the two dimensional code frame of multiple variations, as shown in Figure 1, this method 10 may include step
100、110。
Step 100: obtaining the target effective information in two dimensional code frame；
Step 110: according to the target effective information, the dynamic two-dimension code being decoded.
In the embodiment of the present invention, there are many modes of the target effective information in acquisition two dimensional code frame, it is alternatively possible to adopt
With such as under type:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is complete effective information, believe the first information as the target effective
Breath.
For example, in the frame period include 20 two dimensional code frames: frame 1, frame 2, frame 3 ..., frame 20, the information of frame 3 is whole
Effective information can stop reading if the two dimensional code frame currently read is frame 3, directly using the information in frame 3 as
Target effective information, and directly decode.
In the embodiment of the present invention, the target effective information obtained in two dimensional code frame can also be in the following way:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is a part of complete effective information, from its except the current two-dimension frame
Other parts effective information is obtained in his two dimensional code frame；
Using the first information and other parts effective information as the target effective information.
For example, in the frame period include 20 two dimensional code frames: frame 1, frame 2, frame 3 ..., frame 20, the information of frame 3 is part
Effective information also has effective information in frame 7, frame 11, if the two dimensional code frame currently read is frame 3, can't stop reading, and
It is to continue with reading, after the information in frame 7 and frame 11 is all read, can just be stopped, and by all letters in frame 3, frame 7 and frame 11
Breath is used as target effective information.
In the embodiment of the present invention, when obtaining the target effective information in two dimensional code frame, alternatively it is also possible to using such as lower section
Formula:
Obtain the first information in current two-dimension；
Determine whether the first information belongs to effective information；
If the first information is not belonging to effective information, from other two dimensional code frames except the current two-dimension frame
Middle acquisition other parts effective information；
Using the other parts effective information as the target effective information.
For example, in the frame period include 20 two dimensional code frames: frame 1, frame 2, frame 3 ..., frame 20, the information of frame 3 is not to have
Information is imitated, frame 5, frame 7, the information in frame 11 are effective informations, if the two dimensional code frame currently read is frame 3, are needed after resuming studies
It takes, stops after the information in frame 5, frame 7 and frame 11 is all read, and using all information in frame 5, frame 7 and frame 11 as mesh
Mark effective information.
In the embodiment of the present invention, when obtaining the target effective information in two dimensional code frame, alternatively it is also possible to using such as lower section
Formula:
Obtain the information for all two dimensional code frames that sum is the frame period；
Location information is extracted from acquired information, wherein two dimensional code locating for location information instruction effective information
Frame；
According to location information from the information in the two dimensional code frame for filtering out instruction in the information of acquisition, and the letter that will be filtered out
Breath is used as the target effective information.
For example, in the frame period include 20 two dimensional code frames: frame 1, frame 2, frame 3 ..., frame 20, will be in 20 two dimensional code frames
All information all read, and therefrom get location information, location information indicates that frame 3, frame 7, the information in frame 11 are effective
Information, then from all information of reading screen frame 3, frame 7, frame 11 effective information, and by frame 3, frame 7, frame 11 effective letter
Breath is used as target effective information.
For another example the information of frame 3 is not effective information, frame 5, frame 7, the information in frame 11 are effective informations, if worked as
The two dimensional code frame of preceding reading is frame 3, needs to continue to read, and is stopped after the information in frame 5, frame 7 and frame 11 is all read, and will
All information in frame 5, frame 7 and frame 11 are as target effective information.
All two dimensional code frames obtained in the information for all two dimensional code frames that sum is the frame period can be a frame period
In all frames, be also possible to the combination of the frame in two frame periods, e.g., the frame 15- frame 20 in the first frame period, the second needle week
Interim frame 1- frame 14, certainly, above-mentioned only several examples, it's not limited to that.
In the embodiment of the present invention, optionally, the location information is all two dimensional codes from the sum of acquisition for the frame period
It is obtained in the information of frame or pre-stored.
It should be noted that each effective information described above can be carried in multiple frames, for example, frame 7
Information can also be carried on frame 10, in frame 18, and the information of frame 11 can also be carried on frame 14, in frame 19, naturally it is also possible to carry
In more frames, it is not specifically limited herein.
In the embodiment of the present invention, it is effective that other parts are obtained from other two dimensional code frames except the current two-dimension frame
When information, it is alternatively possible in the following way:
For each of other parts effective information effective information, determine the effective information a frame period
In locating two dimensional code frame, filter out at least one two dimensional code frame from determining two dimensional code frame, and it is described at least one two
The effective information is read in dimension code frame, wherein at least one described two dimensional code frame is in the frame week where the current two-dimension frame
It is interim and be located at the current two-dimension frame after.
For example, present frame is frame 3, effective information A is got from frame 3, it is also necessary to obtain effective information B, effective information C
Can just be successfully decoded later, effective information B has in frame 6, frame 10, frame 15, effective information C in frame 7, frame 12, frame 18 all
Have, screens two dimensional code frame from frame 6, frame 10, frame 15 for effective information B, the frame such as filtered out is frame 6, and reading from frame 6 has
Imitate information B, naturally it is also possible to filter out frame 6, frame 10, effective information B is read from frame 6, frame 10, for effective information C from frame
7, frame 12, two dimensional code frame is screened in frame 18, the frame such as filtered out is frame 7, reads effective information C from frame 7, or from frame 7, frame
12, two dimensional code frame is screened in frame 18, the frame such as filtered out is frame 7, frame 12, then effective information C is read from frame 7, frame 12.
Previously described is that effective information is got from present frame, i.e., the information in present frame is effective information, such as frame 3
In information be effective information, the information in present frame is not effective information in some cases, and obtaining from subsequent frame has
The process for imitating information is similar with the above process, and such as total effective information is effective information A, effective information B and effective information C, has
Effect information A has in frame 4, frame 11, frame 17, and effective information B has in frame 6, frame 10, frame 15, and effective information C is in frame 7, frame
12, have in frame 18, current two-dimension frame is frame 3, then screens two dimensional code frame from frame 4, frame 11, frame 17 for effective information A, such as
Frame 4 obtains effective information A from frame 4；Two dimensional code frame is screened from frame 6, frame 10, frame 15 for effective information B, such as frame 6, from frame 6
Middle acquisition effective information B；Two dimensional code frame is screened from frame 7, frame 12, frame 18 for effective information C, such as frame 7, obtaining from frame 7 has
Imitate information C.
It include the frame number of the two dimensional code frame in the embodiment of the present invention, in the information of each two dimensional code frame.For example, frame 1
Information in carry the number 1 of frame 1, the number 2 that frame 2 is carried in the information of frame 2, the number 3 that frame 3 is carried in the information of frame 3, etc.
Deng.Due to having the technical characteristic, the frame number of the frame is both known about when reading arbitrary frame.
In the embodiment of the present invention, when reading the effective information at least one described two dimensional code frame, it can use a variety of
Mode, it is alternatively possible in the following way:
It is determined from least one two dimensional code frame locating for the effective information short from most with the current two-dimension frame pitch
First object two dimensional code frame；
Judge whether read the effective information in the first object two dimensional code frame；
If so, stopping continuing to read the effective information；
Otherwise, it determines to be located at the first object two dimensional code from least one two dimensional code frame locating for the effective information
From shortest target two dimensional code frame after frame and with the first object two dimensional code frame pitch, read from the target two dimensional code frame
The effective information.
For example, effective information A has in frame 4, frame 11, frame 17, the frame filtered out is frame 4, frame 11, is reading effectively letter
It when ceasing A, is first read from frame 4, if successfully reading effective information A from frame 4, stops reading effective information A, if
There is no when successfully reading effective information A, just continue to read effective information A from frame 11 from frame 4.
Above-mentioned is to be illustrated so that effective information is in 3 frames as an example, but it's not limited to that in practical application.
In the embodiment of the present invention, determined from least one two dimensional code frame locating for the effective information with described when the first two
When tieing up code frame pitch from shortest first object two dimensional code frame, it is alternatively possible in the following way:
Calculate the frame number of each two dimensional code frame and the current two-dimension frame at least one described two dimensional code frame
Difference between frame number；
Using the two dimensional code frame that corresponding difference is minimum value as the first object two dimensional code frame.
For example, present frame is frame 3, at least one two dimensional code frame is 6, frame 10, frame 17, frame 6, frame 10, frame 17 and frame 3 frame
Difference between number is respectively 3,7,14, then regard frame 6 as first object two dimensional code frame.
It, can be in the following way when obtaining the target effective information in two dimensional code frame in the embodiment of the present invention:
The target effective information in Rule two dimensional code frame is read according to information.
Wherein, information, which reads rule, can refer to rule of the description effective information in which frame, as effective information A frame 3,
In frame 7, frame 11, effective information B is in frame 5, frame 8, frame 15, etc..
In the embodiment of the present invention, optionally, the information reads rule and obtains in advance, or carry each two
In the information for tieing up code frame.That is, can obtain information from the information of the frame of reading reads rule, it is also possible to obtain in advance
It takes, above-mentioned two kinds of specific examples for only obtaining information and reading rule, it's not limited to that.
It include optionally, in the information of each two dimensional code frame total included by a frame period in the embodiment of the present invention
Frame number.So, if the frame that judgement is read when reading information has been the last frame in frame period where present frame,
In the case where getting whole effective informations, stops reading, in the case where not getting whole effective informations, will acquire
Effective information all abandons, and effective information is reacquired from next frame period, and have what is obtained from next frame period
Information is imitated to decode dynamic two-dimension code.
In the embodiment of the present invention, when filtering out at least one two dimensional code frame from determining two dimensional code frame, it is alternatively possible to
In the following way:
To be located in the frame period where current two-dimension frame in determining two dimensional code frame, and corresponding frame number be less than it is total
The two dimensional code frame of frame number, as at least one described two dimensional code frame.
It is previously described to be, the case where whole effective informations are read in the frame period locating for current two-dimension frame,
There is also the feelings for not reading whole effective informations in the frame period locating for current two-dimension frame in practical applications
Condition, at this point, it is alternatively possible to the effective information obtained in the frame period locating for current two-dimension frame is all abandoned, again from
Obtain effective information in next frame period, and the effective information obtained in next frame period is decoded into Dynamic Two-dimensional
Code, therefore, in the embodiment of the present invention, further, the method also includes:
If not reading complete effective information in the frame period locating for the current two-dimension frame, described current
Effective information is re-read in next frame period in frame period locating for frame, and is read according in next frame period
The effective information arrived parses the dynamic two-dimension code.
For example, the effective information of dynamic two-dimension code is effective information A, effective information B and effective information C, in first frame week
Interim successfully reads effective information B and effective information C, whole effective due to not getting in the first frame period
Therefore information abandons the effective information B got from the first frame period and effective information C, need to continue from the second frame week
It is interim to read whole effective informations, such as continue to read effective information A, effective information B and effective information from the second frame period
C, and dynamic two-dimension code is decoded according to the effective information A, effective information B and effective information C that read from the second frame period.
After getting multiple effective informations, it is also necessary to splice these effective informations according to certain rules, so
Dynamic two-dimension code can be successfully decoded, e.g., for effective information A, effective information B and effective information C, be according to effective information A,
The sequence of effective information B and effective information C are spliced, also according to effective information B, effective information C and effective information A
Sequence is spliced, and therefore, in the embodiment of the present invention, according to the target effective information, is carried out to the dynamic two-dimension code
When decoding, it is alternatively possible in the following way:
The target effective information got is spliced according to infologic ordering rule, parses the Dynamic Two-dimensional
The information that code is carried.
Wherein, the infologic ordering rule can be default acquisition, or carry in each two dimensional code frame
In information.It is obtained in advance before reading information in two dimensional code frame that is, infologic ordering rule can be, it can also
Being read from two dimensional code frame, naturally it is also possible to be other modes, be not specifically limited herein.
As shown in fig.2, the embodiment of the present invention also proposes a kind of device 20 for decoding dynamic two-dimension code, wherein described dynamic
State two dimensional code includes the two dimensional code frame of multiple variations, which includes:
Acquiring unit 200, for obtaining the target effective information in two dimensional code frame；
Decoding unit 210, for being decoded to the dynamic two-dimension code according to the target effective information.
In the embodiment of the present invention, optionally, the acquiring unit 200 obtains the target effective information in two dimensional code frame, packet
It includes:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is complete effective information, believe the first information as the target effective
Breath.
For example, in the frame period include 20 two dimensional code frames: frame 1, frame 2, frame 3 ..., frame 20, the information of frame 3 is whole
Effective information can stop reading if the two dimensional code frame currently read is frame 3, directly using the information in frame 3 as
Target effective information, and directly decode.
In the embodiment of the present invention, the acquiring unit 200 obtains the target effective information in two dimensional code frame, comprising:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is a part of complete effective information, from its except the current two-dimension frame
Other parts effective information is obtained in his two dimensional code frame；
Using the first information and other parts effective information as the target effective information.
For example, in the frame period include 20 two dimensional code frames: frame 1, frame 2, frame 3 ..., frame 20, the information of frame 3 is part
Effective information also has effective information in frame 7, frame 11, if the two dimensional code frame currently read is frame 3, can't stop reading, and
It is to continue with reading, after the information in frame 7 and frame 11 is all read, can just be stopped, and by all letters in frame 3, frame 7 and frame 11
Breath is used as target effective information.
In the embodiment of the present invention, optionally, the acquiring unit 200 obtains the target effective information in two dimensional code frame, packet
It includes:
Obtain the first information in current two-dimension；
Determine whether the first information belongs to effective information；
If the first information is not belonging to effective information, from other two dimensional code frames except the current two-dimension frame
Middle acquisition other parts effective information；
Using the other parts effective information as the target effective information.
For example, in the frame period include 20 two dimensional code frames: frame 1, frame 2, frame 3 ..., frame 20, the information of frame 3 is not to have
Information is imitated, frame 5, frame 7, the information in frame 11 are effective informations, if the two dimensional code frame currently read is frame 3, are needed after resuming studies
It takes, stops after the information in frame 5, frame 7 and frame 11 is all read, and using all information in frame 5, frame 7 and frame 11 as mesh
Mark effective information.
In the embodiment of the present invention, optionally, the acquiring unit 200 obtains the target effective information in two dimensional code frame, packet
It includes:
Obtain the information for all two dimensional code frames that sum is the frame period；
Location information is extracted from acquired information, wherein two dimensional code locating for location information instruction effective information
Frame；
According to location information from the information in the two dimensional code frame for filtering out instruction in the information of acquisition, and the letter that will be filtered out
Breath is used as the target effective information.
For example, in the frame period include 20 two dimensional code frames: frame 1, frame 2, frame 3 ..., frame 20, will be in 20 two dimensional code frames
All information all read, and therefrom get location information, location information indicates that frame 3, frame 7, the information in frame 11 are effective
Information, then from all information of reading screen frame 3, frame 7, frame 11 effective information, and by frame 3, frame 7, frame 11 effective letter
Breath is used as target effective information.
For another example the information of frame 3 is not effective information, frame 5, frame 7, the information in frame 11 are effective informations, if worked as
The two dimensional code frame of preceding reading is frame 3, needs to continue to read, and is stopped after the information in frame 5, frame 7 and frame 11 is all read, and will
All information in frame 5, frame 7 and frame 11 are as target effective information.
All two dimensional code frames obtained in the information for all two dimensional code frames that sum is the frame period can be a frame period
In all frames, e.g., the frame 1- frame 20 in the first frame period is also possible to the combination of the frame in two frame periods, e.g., first frame
Frame 15- frame 20 in period, the frame 1- frame 14 in the second needle period, certainly, above-mentioned only several examples, it's not limited to that.
In the embodiment of the present invention, optionally, the location information is all two dimensional codes from the sum of acquisition for the frame period
It is obtained in the information of frame or pre-stored.
It should be noted that each effective information described above can be carried in multiple frames, for example, frame 7
Information can also be carried on frame 10, in frame 18, and the information of frame 11 can also be carried on frame 14, in frame 19, naturally it is also possible to carry
In more frames, it is not specifically limited herein.
In the embodiment of the present invention, optionally, the acquiring unit 200 from except the current two-dimension frame other two dimension
Other parts effective information is obtained in code frame, comprising:
For each of other parts effective information effective information, determine the effective information a frame period
In locating two dimensional code frame, filter out at least one two dimensional code frame from determining two dimensional code frame, and it is described at least one two
The effective information is read in dimension code frame, wherein at least one described two dimensional code frame is in the frame week where the current two-dimension frame
It is interim and be located at the current two-dimension frame after.
For example, present frame is frame 3, effective information A is got from frame 3, it is also necessary to obtain effective information B, effective information C
Can just be successfully decoded later, effective information B has in frame 6, frame 10, frame 15, effective information C in frame 7, frame 12, frame 18 all
Have, screens two dimensional code frame from frame 6, frame 10, frame 15 for effective information B, the frame such as filtered out is frame 6, and reading from frame 6 has
Imitate information B, naturally it is also possible to filter out frame 6, frame 10, effective information B is read from frame 6, frame 10, for effective information C from frame
7, frame 12, two dimensional code frame is screened in frame 18, the frame such as filtered out is frame 7, reads effective information C from frame 7, or from frame 7, frame
12, two dimensional code frame is screened in frame 18, the frame such as filtered out is frame 7, frame 12, then effective information C is read from frame 7, frame 12.
Previously described is that effective information is got from present frame, i.e., the information in present frame is effective information, such as frame 3
In information be effective information, the information in present frame is not effective information in some cases, and obtaining from subsequent frame has
The process for imitating information is similar with the above process, and such as total effective information is effective information A, effective information B and effective information C, has
Effect information A has in frame 4, frame 11, frame 17, and effective information B has in frame 6, frame 10, frame 15, and effective information C is in frame 7, frame
12, have in frame 18, current two-dimension frame is frame 3, then screens two dimensional code frame from frame 4, frame 11, frame 17 for effective information A, such as
Frame 4 obtains effective information A from frame 4；Two dimensional code frame is screened from frame 6, frame 10, frame 15 for effective information B, such as frame 6, from frame 6
Middle acquisition effective information B；Two dimensional code frame is screened from frame 7, frame 12, frame 18 for effective information C, such as frame 7, obtaining from frame 7 has
Imitate information C.
It optionally, in the information of each two dimensional code frame include the frame number of the two dimensional code frame in the embodiment of the present invention.Example
Such as, the volume of frame 3 is carried in the information of frame 1 in the number 1, the information of frame 2 of carrying frame 1 in the number 2, the information of frame 3 of carrying frame 2
Numbers 3, etc..Due to having the technical characteristic, the frame number of the frame is both known about when reading arbitrary frame.
In the embodiment of the present invention, optionally, the acquiring unit 200, which reads this at least one described two dimensional code frame, to be had
Imitate information, comprising:
It is determined from least one two dimensional code frame locating for the effective information short from most with the current two-dimension frame pitch
First object two dimensional code frame；
Judge whether read the effective information in the first object two dimensional code frame；
If so, stopping continuing to read the effective information；
Otherwise, it determines to be located at the first object two dimensional code from least one two dimensional code frame locating for the effective information
From shortest target two dimensional code frame after frame and with the first object two dimensional code frame pitch, read from the target two dimensional code frame
The effective information.
For example, effective information A has in frame 4, frame 11, frame 17, the frame filtered out is frame 4, frame 11, is reading effectively letter
It when ceasing A, is first read from frame 4, if successfully reading effective information A from frame 4, stops reading effective information A, if
There is no when successfully reading effective information A, just continue to read effective information A from frame 11 from frame 4.
Above-mentioned is to be illustrated so that effective information is in 3 frames as an example, but it's not limited to that in practical application.
In the embodiment of the present invention, optionally, the acquiring unit 200 at least one two dimensional code locating for the effective information
It is determined in frame with the current two-dimension frame pitch from shortest first object two dimensional code frame, comprising:
Calculate the frame number of each two dimensional code frame and the current two-dimension frame at least one described two dimensional code frame
Difference between frame number；
Using the two dimensional code frame that corresponding difference is minimum value as the first object two dimensional code frame.
For example, present frame is frame 3, at least one two dimensional code frame is 6, frame 10, frame 17, frame 6, frame 10, frame 17 and frame 3 frame
Difference between number is respectively 3,7,14, then regard frame 6 as first object two dimensional code frame.
In the embodiment of the present invention, optionally, the acquiring unit 200 obtains the target effective information in two dimensional code frame, packet
It includes:
The target effective information in Rule two dimensional code frame is read according to information.
Wherein, information, which reads rule, can refer to rule of the description effective information in which frame, as effective information A frame 3,
In frame 7, frame 11, effective information B is in frame 5, frame 8, frame 15, etc..
In the embodiment of the present invention, optionally, the information reads rule and obtains in advance, or carry each two
In the information for tieing up code frame.That is, can obtain information from the information of the frame of reading reads rule, it is also possible to obtain in advance
It takes, above-mentioned two kinds of specific examples for only obtaining information and reading rule, it's not limited to that.
It include optionally, in the information of each two dimensional code frame total included by a frame period in the embodiment of the present invention
Frame number.So, if the frame that judgement is read when reading information has been the last frame in frame period where present frame,
In the case where getting whole effective informations, stops reading, in the case where not getting whole effective informations, will acquire
Effective information all abandons, and effective information is reacquired from next frame period, and have what is obtained from next frame period
Information is imitated to decode dynamic two-dimension code.
In the embodiment of the present invention, optionally, the acquiring unit 200 filters out at least one from determining two dimensional code frame
Two dimensional code frame, comprising:
To be located in the frame period where current two-dimension frame in determining two dimensional code frame, and corresponding frame number be less than it is total
The two dimensional code frame of frame number, as at least one described two dimensional code frame.
It is previously described to be, the case where whole effective informations are read in the frame period locating for current two-dimension frame,
There is also the feelings for not reading whole effective informations in the frame period locating for current two-dimension frame in practical applications
Condition, at this point, it is alternatively possible to the effective information obtained in the frame period locating for current two-dimension frame is all abandoned, again from
Obtain effective information in next frame period, and the effective information obtained in next frame period is decoded into Dynamic Two-dimensional
Code, therefore, in the embodiment of the present invention, further, the decoding unit 210 is also used to, if the acquiring unit 200 is described
Complete effective information is not read in the frame period locating for current two-dimension frame, the frame period locating for the present frame
Effective information is re-read in next frame period, and is parsed according to the effective information read in next frame period
The dynamic two-dimension code.
For example, the effective information of dynamic two-dimension code is effective information A, effective information B and effective information C, in first frame week
Interim successfully reads effective information B and effective information C, whole effective due to not getting in the first frame period
Therefore information abandons the effective information B got from the first frame period and effective information C, need to continue from the second frame week
It is interim to read whole effective informations, such as continue to read effective information A, effective information B and effective information from the second frame period
C, and dynamic two-dimension code is decoded according to the effective information A, effective information B and effective information C that read from the second frame period.
After getting multiple effective informations, it is also necessary to splice these effective informations according to certain rules, so
Dynamic two-dimension code can be successfully decoded, e.g., for effective information A, effective information B and effective information C, be according to effective information A,
The sequence of effective information B and effective information C are spliced, also according to effective information B, effective information C and effective information A
Sequence is spliced, and therefore, in the embodiment of the present invention, optionally, the decoding unit 210 is believed according to the target effective
Breath, is decoded the dynamic two-dimension code, comprising:
The target effective information got is spliced according to infologic ordering rule, parses the Dynamic Two-dimensional
The information that code is carried.
Wherein, the infologic ordering rule is default acquisition, or carries the information in each two dimensional code frame
In.
It is obtained in advance before reading information in two dimensional code frame that is, infologic ordering rule can be,
It can be and read from two dimensional code frame, naturally it is also possible to be other modes, be not specifically limited herein.
A kind of device of the multimedia resource playing function of test application program is also proposed in the embodiment of the present invention, comprising:
One or more processor；
Memory；
The program of storage in the memory, when being executed by one or more of processors, described program makes
The processor executes the method as described in method 10.
A kind of computer readable storage medium, the computer-readable recording medium storage are also proposed in the embodiment of the present invention
There is program, when said program is executed by a processor, so that the processor executes the method as described in method 10.
Method and apparatus are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of device
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, such as right
As claim reflects, inventive aspect is all features less than single embodiment disclosed above.Therefore, it then follows tool
Thus claims of body embodiment are expressly incorporated in the specific embodiment, wherein each claim conduct itself
Separate embodiments of the invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the device in embodiment
Change and they are arranged in one or more devices unlike this embodiment.It can be several modules in embodiment
It is combined into a module or unit or component, and furthermore they can be divided into a plurality of submodules or subunits or subassembliess.
Other than such feature and/or at least some of process or module exclude each other, any combination pair can be used
All features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed any method
Or all process or units of equipment are combined.Unless expressly stated otherwise, this specification (is wanted including adjoint right
Ask, make a summary and attached drawing) disclosed in each feature can be replaced by providing identical, equivalent, or similar purpose alternative features.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of any
Can in any combination mode come using.
Each Installation practice of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) realize some or all moulds in device according to an embodiment of the present invention
The some or all functions of block.The present invention is also implemented as a part or complete for executing method as described herein
The program of device (for example, computer program and computer program product) in portion.It is such to realize that program of the invention can store
On a computer-readable medium, it or may be in the form of one or more signals.Such signal can be from internet
Downloading obtains on website, is perhaps provided on the carrier signal or is provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
Claims (10)
1. a kind of method for decoding dynamic two-dimension code, wherein the dynamic two-dimension code includes the two dimensional code frame of multiple variations, the party
Method includes:
Obtain the target effective information in two dimensional code frame；
According to the target effective information, the dynamic two-dimension code is decoded.
2. the method as described in claim 1 obtains the target effective information in two dimensional code frame, comprising:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is complete effective information, using the first information as the target effective information.
3. according to the method described in claim 1, obtaining the target effective information in two dimensional code frame, comprising:
Obtain the first information in current two-dimension frame；
Determine whether the first information belongs to effective information；
If the first information is a part of complete effective information, from except the current two-dimension frame other two
It ties up and obtains other parts effective information in code frame；
Using the first information and other parts effective information as the target effective information.
4. according to the method described in claim 1, obtaining the target effective information in two dimensional code frame, comprising:
Obtain the first information in current two-dimension；
Determine whether the first information belongs to effective information；
If the first information is not belonging to effective information, obtained from other two dimensional code frames except the current two-dimension frame
Take other parts effective information；
Using the other parts effective information as the target effective information.
5. according to the method described in claim 1, obtaining the target effective information in two dimensional code frame, comprising:
Obtain the information for all two dimensional code frames that sum is the frame period；
Location information is extracted from acquired information, wherein two dimensional code frame locating for location information instruction effective information；
According to location information from the information in the two dimensional code frame for filtering out instruction in the information of acquisition, and the information filtered out is made
For the target effective information.
6. according to the method described in claim 1, the location information is all two dimensional codes from the sum of acquisition for the frame period
It is obtained in the information of frame or pre-stored.
7. the method as claimed in claim 3 or 4 obtains other from other two dimensional code frames except the current two-dimension frame
Part effective information, comprising:
For each of other parts effective information effective information, effective information institute in a frame period is determined
The two dimensional code frame at place filters out at least one two dimensional code frame from determining two dimensional code frame, and at least one described two dimensional code
The effective information is read in frame, wherein at least one described two dimensional code frame is in the frame period where the current two-dimension frame
And it is located at after the current two-dimension frame.
8. the method for claim 7, including the frame number of the two dimensional code frame in the information of each two dimensional code frame.
9. method according to claim 8 reads the effective information at least one described two dimensional code frame, comprising:
It is determined from least one two dimensional code frame locating for the effective information with the current two-dimension frame pitch from shortest
One target two dimensional code frame；
Judge whether read the effective information in the first object two dimensional code frame；
If so, stopping continuing to read the effective information；
Otherwise, determined from least one two dimensional code frame locating for the effective information be located at the first object two dimensional code frame it
Afterwards and with the first object two dimensional code frame pitch from shortest target two dimensional code frame, reading this from the target two dimensional code frame has
Imitate information.
10. a kind of device for decoding dynamic two-dimension code, wherein the dynamic two-dimension code includes the two dimensional code frame of multiple variations, should
Device includes:
Acquiring unit, for obtaining the target effective information in two dimensional code frame；
Decoding unit, for being decoded to the dynamic two-dimension code according to the target effective information.
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| CN201711322361.8A CN109918960A (en) | 2017-12-12 | 2017-12-12 | A kind of method and device decoding dynamic two-dimension code |
| PCT/CN2018/114709 WO2019114472A1 (en) | 2017-12-12 | 2018-11-09 | Method and device for decoding dynamic two-dimensional code |
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