CN111027041B - Verification picture configuration method and system - Google Patents
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Abstract
The invention belongs to the technical field of image processing, and discloses a method and a system for verifying picture configuration. The method comprises the following steps: the method comprises the steps that a client receives an initial picture, the initial picture is divided into a plurality of pictures to be processed according to a preset picture dividing strategy, the plurality of pictures to be processed are marked by the client, a picture set is constructed according to the marked plurality of pictures to be processed, the picture set is sent to a corresponding server by the client through a content distribution network, the server combines the plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain a target picture, and the target picture is used as a verification picture. Through the method, the user can customize the verification picture individually according to the self requirement, the finally generated verification picture is ensured to meet the customization requirement of the user, and meanwhile, the segmented multiple pictures to be processed are sent to the corresponding servers through the content distribution network, so that the picture transmission safety is improved.
Description
Technical Field
The invention relates to the technical field of image processing, in particular to a method and a system for verifying picture configuration.
Background
The verification code (complete automatic Public testing to tell Computers and Humans Apart, CAPTCHA) is a kind of anti-Turing test used to distinguish between man and machine and block machine interactive requests. The traditional identifying code is a character type, and machine recognition is resisted by deforming, distorting and increasing interference on characters in a picture.
With the continuous development of computer technology, the success rate of recognizing traditional verification codes by means of Optical Character Recognition (OCR), machine learning and the like reaches up to 99%, and in order to resist automatic image recognition, the traditional verification codes have to become more and more complex, which leads to a great reduction in the use experience of normal users. The birth of behavior verification provides a new verification security solution for the internet, so that the verification security solution becomes a wider verification technical solution and replaces the traditional character verification on the network more and more.
The existing behavior verification can be realized based on images, but background pictures used in the existing image verification are often provided or set by developers, enterprise users cannot customize verification images individually according to the needs of the enterprise users, and the enterprise users have poor experience and low safety.
The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.
Disclosure of Invention
The invention mainly aims to provide a verification picture configuration method and a verification picture configuration system, and aims to solve the technical problems that in the prior art, a user cannot customize a verification image according to own requirements, so that the security of the verification picture is low, and the user experience is poor.
In order to achieve the above object, the present invention provides a method for verifying picture configuration, comprising the following steps:
the method comprises the steps that a client receives an initial picture, and the initial picture is divided into a plurality of pictures to be processed according to a preset picture dividing strategy;
the client marks the multiple to-be-processed pictures and constructs a picture set according to the marked multiple to-be-processed pictures;
the client sends the picture set to a corresponding server through a content distribution network;
and the server combines a plurality of to-be-processed pictures in the picture set through a preset picture reduction algorithm to obtain a target picture, and the target picture is used as a verification picture.
Preferably, the preset picture segmentation strategy comprises a segmentation size and a segmentation number;
the step of dividing the initial picture into a plurality of pictures to be processed according to a preset picture division strategy comprises the following steps:
and the client divides the initial picture into a plurality of pictures to be processed according to the division size and the division number.
Preferably, the step of marking the multiple to-be-processed pictures by the client and constructing a picture set according to the marked multiple to-be-processed pictures includes:
the client generates a picture coding sequence according to the segmentation quantity;
and the client marks the multiple to-be-processed pictures according to the picture coding sequence and performs confusion processing on the marked multiple to-be-processed pictures to obtain a picture set.
Preferably, the step of combining a plurality of to-be-processed pictures in the picture set by using a preset picture reduction algorithm to obtain a target picture includes:
the server sequences a plurality of pictures to be processed in the picture set according to the picture coding sequence to obtain a sequencing result;
and the server combines the multiple pictures to be processed according to the sequencing result to obtain a target picture.
Preferably, after the step of combining the multiple pictures to be processed according to the sorting result by the server to obtain the target picture, the server further includes:
the server detects whether the initial picture is consistent with the target picture;
when the server detects that the initial picture is consistent with the target picture, the server executes a step of taking the target picture as a verification picture; and when the initial picture is detected to be inconsistent with the target picture, returning to the step of combining a plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain the target picture.
In addition, in order to achieve the above object, the present invention further provides a verification picture configuration system, which includes a client and a server;
the client is used for receiving an initial picture and dividing the initial picture into a plurality of pictures to be processed according to a preset picture dividing strategy;
the client is further used for marking the multiple to-be-processed pictures and constructing a picture set according to the marked multiple to-be-processed pictures;
the client is also used for sending the picture set to a corresponding server through a content distribution network;
the server is used for combining a plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain a target picture, and the target picture is used as a verification picture.
Preferably, the preset picture segmentation strategy comprises a segmentation size and a segmentation number;
and the client is also used for dividing the initial picture into a plurality of pictures to be processed according to the dividing size and the dividing number.
Preferably, the client is further configured to generate a picture coding sequence according to the division number;
the client is further configured to mark the multiple to-be-processed pictures according to the picture coding sequence, and perform obfuscation processing on the marked multiple to-be-processed pictures to obtain a picture set.
Preferably, the server is further configured to sort the multiple to-be-processed pictures in the picture set according to the picture coding sequence, so as to obtain a sorting result;
the server is further configured to combine the multiple to-be-processed pictures according to the sorting result to obtain a target picture.
Preferably, the server is further configured to detect whether the initial picture and the target picture are consistent;
the server is further used for executing a step of taking the target picture as a verification picture when the initial picture is detected to be consistent with the target picture; and when the initial picture is detected to be inconsistent with the target picture, returning to the step of combining a plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain the target picture.
The invention receives an initial picture through a client, divides the initial picture into a plurality of pictures to be processed according to a preset picture division strategy, then generates a picture coding sequence according to the division quantity, marking the plurality of pictures to be processed according to the picture coding sequence, constructing a picture set according to the marked plurality of pictures to be processed, the client sends the picture set to a corresponding server through a content distribution network, the server combines a plurality of pictures to be processed in the picture set according to the picture coding sequence to obtain a target picture, the target picture is used as the verification picture, so that the verification picture can be divided and marked by a user according to the self requirement, the finally generated verification picture is ensured to meet the customization requirement of the user, and the marked picture is mixed up to improve the safety of picture transmission.
Drawings
FIG. 1 is a flowchart illustrating a verification picture configuration method according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a second embodiment of a verification picture configuration method according to the present invention;
fig. 3 is a block diagram of a verification picture configuration system according to a first embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
An embodiment of the present invention provides a verification picture configuration method, and referring to fig. 1, fig. 1 is a schematic flow diagram of a first embodiment of a verification picture configuration method according to the present invention.
In this embodiment, the verification picture configuration method includes the following steps:
step S10: the method comprises the steps that a client receives an initial picture, and the initial picture is divided into a plurality of pictures to be processed according to a preset picture dividing strategy.
It should be noted that the client may be an application client (hereinafter, referred to as a client) having image data processing, network communication, and program execution functions.
It should be understood that before the client receives the initial picture, it needs to operate according to the verification picture configuration instruction, which may be a verification picture configuration request triggered by a user (i.e., a picture configuration user) based on a client verification picture configuration interface, and the initial picture provides the picture configuration user with the initial picture for performing verification picture configuration.
In addition, it should be noted that the picture division policy is a preset division rule, the division rule may be a division size, a division number, a division direction, a division manner, and the like, the client may divide the preset picture into a plurality of pictures to be processed according to the division size, the division number, the division direction, and the division manner, and the plurality of pictures to be processed may not be fixed in size, number, and shape, or may be a plurality of pictures to be processed with the same size.
Further, for ease of understanding, the following is illustrated:
assuming a picture, it can be divided into 5 small pictures with the same size, or divided into 5 small pictures with different sizes, or divided into 10 small pictures with different sizes, or the like, and meanwhile, the picture can be transversely, vertically or obliquely cut, and the like, which is not limited in this embodiment.
Step S20: and the client marks the plurality of pictures to be processed and constructs a picture set according to the marked plurality of pictures to be processed.
It should be noted that, after the client generates the picture coding sequence according to the division number, the client marks the multiple to-be-processed pictures according to the picture coding sequence, and performs obfuscation processing on the marked multiple to-be-processed pictures to obtain a picture set.
It should be understood that the above-mentioned marks may be self-defined marks according to user requirements, and may be letter marks, or number marks, and the like, where the letter marks and the number marks need to be specifically sorted according to the division number corresponding to the plurality of divided pictures to be processed.
Further, for ease of understanding, the following is exemplified:
assuming that the number of the to-be-processed pictures is 5 after the division, generating a letter coding sequence according to the number of 5, wherein the letter coding sequence is a, b, c, d and e, marking the multiple to-be-processed pictures according to the a, b, c, d and e, sequentially marking the letters according to a correct picture sequence, then disordering the multiple marked to-be-processed pictures, wherein the disordering sequence can be b, e, d, a and c, or e, d, a, c, b and the like, and packaging the disordering multiple to-be-processed pictures to serve as a picture set.
Step S30: and the client sends the picture set to a corresponding server through a content distribution network.
It should be noted that the client sends the picture set to a corresponding server through a content distribution network, where the picture set is a plurality of to-be-processed pictures marked after being scrambled.
Step S40: and the server combines a plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain a target picture, and the target picture is used as a verification picture.
It should be noted that the server sequences a plurality of pictures to be processed in the picture set according to the picture coding sequence to obtain a sequencing result, the server combines the plurality of pictures to be processed according to the sequencing result to obtain a target picture, then the server detects whether the initial picture is consistent with the target picture, and when the server detects that the initial picture is consistent with the target picture, the server performs a step of taking the target picture as a verification picture; and when the initial picture is detected to be inconsistent with the target picture, returning to the step of combining a plurality of pictures to be processed in the picture set by a preset picture reduction algorithm to obtain the target picture.
It should be understood that the picture coding sequence is a picture coding sequence that initially marks the plurality of pictures to be processed.
Further, for ease of understanding, the following is exemplified:
assuming that the disordered picture coding sequence is b, e, d, a and c, sequentially extracting correspondingly marked pictures to be processed in the server according to the initially set picture coding sequence a, b, c, d and e, then sequencing the marked pictures to be processed, combining the multiple pictures to be processed according to the sequencing result of a, b, c, d and e, taking the combined picture as a target picture, finally detecting the target picture and the initial picture to judge whether the combined picture is consistent with the initial picture, and executing the step of taking the target picture as a verification picture when the initial picture and the target picture are detected to be consistent with each other; and when the initial picture is detected to be inconsistent with the target picture, returning to the step of combining a plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain the target picture, and taking the target picture as the picture to be verified.
In the embodiment, the client receives an initial picture, divides the initial picture into a plurality of pictures to be processed according to the division number and the division size, generates a picture coding sequence according to the division number, marks the pictures to be processed according to the picture coding sequence, performs obfuscation processing according to the marked pictures to be processed and constructs a picture set, sends the picture set to a corresponding server through a content distribution network, combines the pictures to be processed in the picture set according to the picture coding sequence to obtain a target picture, and uses the target picture as a verification picture, so that a user can divide and mark the verification picture according to the self requirement, the finally generated verification picture can meet the customization requirement of the user, and the marked picture is obfuscated, and sending the multiple confused pictures to be processed to a server, and performing reduction combination in the server, thereby improving the safety of picture transmission.
Referring to fig. 2, fig. 2 is a flowchart illustrating a verification picture configuring method according to a second embodiment of the present invention.
Based on the first embodiment, the steps S10 and S20 in the verification picture configuration method in this embodiment specifically include:
step S101: the preset picture segmentation strategy comprises a segmentation size and a segmentation number, and the client divides the initial picture into a plurality of pictures to be processed according to the segmentation size and the segmentation number.
In addition, it should be noted that the picture division policy is a preset division rule, the division rule may be a division size, a division number, a division direction, a division manner, and the like, the client may divide the preset picture into a plurality of pictures to be processed according to the division size, the division number, the division direction, and the division manner, and the plurality of pictures to be processed may not be fixed in size, number, and shape, or may be a plurality of pictures to be processed with the same size.
Further, for ease of understanding, the following is exemplified:
assuming a picture, it may be divided into 5 small pictures with the same size, or divided into 5 small pictures with different sizes, or 10 small pictures with different sizes, or multiple pictures to be processed with different shapes, and the embodiment is not limited.
Step S201: and the client generates a picture coding sequence according to the segmentation quantity.
It should be noted that the client generates a picture coding sequence according to the division number, and the coding sequence may be an alphabetical sequence or a numeric sequence.
Further, for ease of understanding, the following is exemplified:
assuming that the number of the to-be-processed pictures after the division is 5, generating letter code sequences according to the number 5, where the letter code sequences are a, b, c, d, and e, and may also be number code sequences 1, 2, 3, 4, and 5, and the like, and this embodiment is not limited.
Step S202: and the client marks the multiple to-be-processed pictures according to the picture coding sequence and performs confusion processing on the marked multiple to-be-processed pictures to obtain a picture set.
It should be noted that the client marks the multiple to-be-processed pictures according to the picture coding sequence, and performs obfuscation processing on the marked multiple to-be-processed pictures to obtain a picture set.
It should be understood that the above-mentioned marks may be self-defined marks according to user requirements, and may be letter marks, or number marks, and the letter marks and the number marks need to be specifically sorted according to the division number corresponding to the plurality of divided pictures to be processed.
Further, for ease of understanding, the following is exemplified:
assuming that the number of the to-be-processed pictures is 5 after the division, generating a letter coding sequence according to the number of 5, wherein the letter coding sequence is a, b, c, d and e, marking the multiple to-be-processed pictures according to the a, b, c, d and e, sequentially marking the letters according to a correct picture sequence, then disordering the multiple marked to-be-processed pictures, wherein the disordering sequence can be b, e, d, a and c, or e, d, a, c, b and the like, and packaging the disordering multiple to-be-processed pictures to serve as a picture set.
According to the method and the device, the initial picture is received through the client, the initial picture is divided into the multiple pictures to be processed according to the dividing number and the dividing size, then the picture coding sequence is generated according to the dividing number, the multiple pictures to be processed are marked according to the picture coding sequence, confusion processing is carried out according to the marked multiple pictures to be processed, and a picture set is constructed, so that the safety of picture transmission is improved.
Referring to fig. 3, fig. 3 is a block diagram illustrating a configuration of a verification picture configuring system according to a first embodiment of the invention.
As shown in fig. 3, the verification picture configuring system according to the embodiment of the present invention includes a client 110 and a server 210; the client 110 is configured to receive an initial picture, and divide the initial picture into a plurality of pictures to be processed according to a preset picture division policy; the client 110 is further configured to mark the multiple to-be-processed pictures, and construct a picture set according to the marked multiple to-be-processed pictures; the client 110 is further configured to send the picture set to a corresponding server through a content distribution network; the server 210 is configured to combine multiple to-be-processed pictures in the picture set by using a preset picture reduction algorithm to obtain a target picture, and use the target picture as a verification picture.
It should be noted that the client may be an application client (hereinafter, referred to as a client) having image data processing, network communication, and program execution functions.
It should be understood that before the client receives the initial picture, it needs to operate according to the verification picture configuration instruction, which may be a verification picture configuration request triggered by a user (i.e., a picture configuration user) based on a client verification picture configuration interface, and the initial picture provides the picture configuration user with the initial picture for performing verification picture configuration.
In addition, it should be noted that the picture division policy includes a division size and a division number, and the preset picture is divided into a plurality of pictures to be processed according to the division size and the division number, where the plurality of pictures to be processed may not be fixed in size and number, or may be a plurality of pictures to be processed with the same size.
Further, for ease of understanding, the following is exemplified:
assuming a picture, it may be divided into 5 small pictures with the same size, or divided into 5 small pictures with different sizes, or 10 small pictures with different sizes, or multiple pictures to be processed with different shapes, and the embodiment is not limited.
It should be noted that the client generates a picture coding sequence according to the division number, marks the multiple to-be-processed pictures according to the picture coding sequence, and performs obfuscation processing on the marked multiple to-be-processed pictures to obtain a picture set.
It should be understood that the above-mentioned marks may be self-defined marks according to user requirements, and may be letter marks, or number marks, and the like, where the letter marks and the number marks need to be specifically sorted according to the division number corresponding to the plurality of divided pictures to be processed.
Further, for ease of understanding, the following is exemplified:
assuming that the number of the to-be-processed pictures is 5 after the division, generating a letter coding sequence according to the number of 5, wherein the letter coding sequence is a, b, c, d and e, marking the multiple to-be-processed pictures according to the a, b, c, d and e, sequentially marking the letters according to a correct picture sequence, then disordering the multiple marked to-be-processed pictures, wherein the disordering sequence can be b, e, d, a and c, or e, d, a, c, b and the like, and packaging the disordering multiple to-be-processed pictures to serve as a picture set.
It should be noted that the client sends the picture set to a corresponding server through a content distribution network, where the picture set is a plurality of to-be-processed pictures marked after being scrambled.
It should be noted that the server orders a plurality of to-be-processed pictures in the picture set according to the picture coding sequence, combines the plurality of to-be-processed pictures according to the ordering result to obtain a target picture, then detects whether the initial picture is consistent with the target picture, the server performs a step of taking the target picture as a verification picture when detecting that the initial picture is consistent with the target picture, and returns to the step of combining the plurality of to-be-processed pictures in the picture set by using a preset picture reduction algorithm to obtain the target picture when detecting that the initial picture is inconsistent with the target picture.
It should be understood that the picture coding sequence is a picture coding sequence that initially marks the plurality of pictures to be processed.
Further, for ease of understanding, the following is exemplified:
assuming that the order of the picture set is b, e, d, a and c, sequentially extracting the pictures to be processed corresponding to the marks in the server according to the initially set picture coding sequence a, b, c, d and e, sequencing the marked pictures to be processed, combining the multiple pictures to be processed according to the sequencing result of the a, b, c, d and e, taking the combined picture as a target picture, finally, detecting the target picture and the initial picture, judging whether the target picture is consistent with the initial picture, and executing the step of taking the target picture as a verification picture when the initial picture and the target picture are detected to be consistent; and when the initial picture is detected to be inconsistent with the target picture, returning to the step of combining a plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain the target picture, and taking the target picture as the picture to be verified.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in a specific application, a person skilled in the art may set the technical solution as needed, and the present invention is not limited in this respect.
In the embodiment, the client receives an initial picture, divides the initial picture into a plurality of pictures to be processed according to the dividing number and the dividing size, generates a picture coding sequence according to the dividing number, marks the plurality of pictures to be processed according to the picture coding sequence, performs obfuscation processing according to the marked plurality of pictures to be processed and constructs a picture set, sends the picture set to a corresponding server through a content distribution network, combines the plurality of pictures to be processed in the picture set according to the picture coding sequence to obtain a target picture, and uses the target picture as a verification picture, so that a user can divide and mark the verification picture according to the self requirement, the finally generated verification picture is ensured to meet the customization requirement of the user, and the marked picture is obfuscated, and sending the plurality of confused pictures to be processed to a server, and performing reduction combination in the server, thereby improving the safety of picture transmission.
It should be noted that the above-mentioned work flows are only illustrative and do not limit the scope of the present invention, and in practical applications, those skilled in the art may select some or all of them according to actual needs to implement the purpose of the solution of the present embodiment, and the present invention is not limited herein.
In addition, the technical details that are not described in detail in this embodiment may refer to the verification picture configuration method provided in any embodiment of the present invention, and are not described herein again.
Furthermore, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or system in which the element is included.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention or a part contributing to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g. Read Only Memory (ROM)/RAM, magnetic disk, optical disk), and includes several instructions for enabling a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A method for verifying picture configuration, the method comprising:
the method comprises the steps that a client receives an initial picture, and the initial picture is divided into a plurality of pictures to be processed according to a preset picture dividing strategy;
the client marks the multiple to-be-processed pictures and constructs a picture set according to the marked multiple to-be-processed pictures;
the client sends the picture set to a corresponding server through a content distribution network;
the server combines a plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain a target picture, and the target picture is used as a verification picture;
the preset picture segmentation strategy comprises segmentation size and segmentation number;
the step of dividing the initial picture into a plurality of pictures to be processed according to a preset picture division strategy comprises the following steps:
the client divides the initial picture into a plurality of pictures to be processed according to the division size and the division number;
the client marks the plurality of pictures to be processed and constructs a picture set according to the marked plurality of pictures to be processed, and the steps comprise:
the client generates a picture coding sequence according to the segmentation quantity;
the client marks the multiple to-be-processed pictures according to the picture coding sequence and performs confusion processing on the marked multiple to-be-processed pictures to obtain a picture set;
the step of combining a plurality of to-be-processed pictures in the picture set through a preset picture reduction algorithm to obtain a target picture comprises the following steps of:
the server sorts a plurality of pictures to be processed in the picture set according to the picture coding sequence to obtain a sorting result;
and the server combines the plurality of pictures to be processed according to the sequencing result to obtain a target picture.
2. The method as claimed in claim 1, wherein after the step of combining the plurality of pictures to be processed by the server according to the sorting result to obtain the target picture, the method further comprises:
the server detects whether the initial picture is consistent with the target picture;
when the server detects that the initial picture is consistent with the target picture, the server executes a step of taking the target picture as a verification picture; and when the initial picture is detected to be inconsistent with the target picture, returning to the step of combining a plurality of pictures to be processed in the picture set by a preset picture reduction algorithm to obtain the target picture.
3. A verification picture configuration system is characterized by comprising a client and a server;
the client is used for receiving an initial picture and dividing the initial picture into a plurality of pictures to be processed according to a preset picture dividing strategy;
the client is further used for marking the multiple to-be-processed pictures and constructing a picture set according to the marked multiple to-be-processed pictures;
the client is also used for sending the picture set to a corresponding server through a content distribution network;
the server is used for combining a plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain a target picture, and the target picture is used as a verification picture;
the preset picture segmentation strategy comprises segmentation size and segmentation quantity;
the client is further used for dividing the initial picture into a plurality of pictures to be processed according to the division size and the division number;
the client is also used for generating a picture coding sequence according to the segmentation quantity;
the client is further used for marking the multiple to-be-processed pictures according to the picture coding sequence and performing confusion processing on the marked multiple to-be-processed pictures to obtain a picture set;
the server is further used for sequencing a plurality of pictures to be processed in the picture set according to the picture coding sequence to obtain a sequencing result;
the server is further configured to combine the multiple to-be-processed pictures according to the sorting result to obtain a target picture.
4. The system of claim 3, wherein the server is further configured to detect whether the initial picture and the target picture are consistent;
the server is further used for executing the step of taking the target picture as a verification picture when the initial picture is detected to be consistent with the target picture; and when the initial picture is detected to be inconsistent with the target picture, returning to the step of combining a plurality of pictures to be processed in the picture set through a preset picture reduction algorithm to obtain the target picture.
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| CN103312512A (en) * | 2013-06-07 | 2013-09-18 | 深圳第七大道网络技术有限公司 | Image verification code generating method, image verification code generating device, identity verification method and identity verification device |
| CN104637039A (en) * | 2013-11-07 | 2015-05-20 | 深圳市腾讯计算机系统有限公司 | Picture processing method and picture processing device |
| CN104598802A (en) * | 2015-02-13 | 2015-05-06 | 北京京东尚科信息技术有限公司 | Verification method and system based on puzzle |
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