CN104616313A - Handheld device image shooting and verification method based on cloud service - Google Patents
Handheld device image shooting and verification method based on cloud service Download PDFInfo
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- CN104616313A CN104616313A CN201510084050.7A CN201510084050A CN104616313A CN 104616313 A CN104616313 A CN 104616313A CN 201510084050 A CN201510084050 A CN 201510084050A CN 104616313 A CN104616313 A CN 104616313A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/36—Review paper; Tutorial; Survey
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Abstract
The invention provides a handheld device image shooting and verification method based on cloud service. The method includes: shooting steps, shooting an original image, uploading the original image to a cloud server, returning a value set corresponds to the original image only by the cloud server, converting the returned value set into an image form, forming a value conversion image, embedding the value conversion image into the original image for saving; verification steps, receiving an image which needs verifying and is input by a user, reading the value conversion image from the image, converting the read value into a value set corresponds to the original image only, uploading the converted value set and the image which needs verifying to the cloud server, conducting comparison and verification on the image and the uploaded original image of the shooting steps by the cloud server, and returning and displaying the verification results to the user. The handheld device image shooting and verification method based on the cloud service can effectively and rapidly verify whether the image is the original one, and whether it is amended or stolen or not.
Description
Technical field
The present invention relates to the technical fields such as Information technology, mobile phone, computer applications, be specifically related to be the cloud service of a kind of base what handhold equipment image shooting and verification method.
Background technology
In recent years, along with the development of Internet technology and the universal of smart mobile phone, people can take image whenever and wherever possible, and various image is also applied to every field.Such as: the propagation application of the portrait in life, landscape picture etc., legally, as the various images that evidence uses.
But, also there is increasing beautiful figure camera and Xiu Tu application on the market, made it to look become beautiful in order to revise auto heterodyne image or scenery, or changing background even flesh and blood.But this amendment makes image become untrue.Such as now when people see beautiful girl's photo, can't help asking whether image was modified Dian true man and whether has that petty good-looking etc.Social application is very popular now; share picture and become daily routines; but with social software; you can find that the picture that some people shares is stolen; such as someone shares a pictures and says and oneself have a meal in a certain high-grade restaurant; but originally figure does not usurp others, he is basic has not just been this restaurant.Or, legally as the image of evidence, for identifying its true and false, need professional equipment, personnel, thus produce high cost.Above phenomenon all causes people to the distrust of image credit.
Summary of the invention
Because described in background technology, whether the object of this invention is to provide one can effective and rapid ground authentication image be whom by later stage modify, image taking person after handheld device shooting, simultaneously in rational scope can not because of image format conversion, repeat store the situations such as compression, Scalable and affect the result.Described zone of reasonableness, its implication is: if because image is through too many repeated compression that is secondary or too low bit-rate, excessive Scalable, the result just may mistake, briefly traditional method generally must could be verified by former primitive form, and the method for the present invention then has certain fault-tolerance to above situation.
The object of the invention is to be achieved through the following technical solutions:
Based on handhold equipment image shooting and the verification method of cloud service, it comprises:
Shooting step:
Connect front-end equipment shooting original image;
The characteristic information of described original image or original image is uploaded to Cloud Server, and Cloud Server returns one group of corresponding numerical value group unique with the characteristic information of described original image or original image; Or, produce one group of corresponding numerical value group unique with the characteristic information of described original image or original image, and by this numerical value group with, the characteristic information of described original image or original image, is uploaded to Cloud Server;
The numerical value group of the described numerical value group that returns or generation is converted to image format and forms numerical value converted image, and this numerical value converted image is embedded in original image forms marking image and preserved;
Verification step:
Receive the image of the needs checking of user's input;
Reading numerical values converted image from described image, and the numerical value converted image read is converted into described corresponding numerical value group unique with original image, as read or transform unsuccessfully, then authentication failed;
As read and transforming successfully, the image verify the described numerical value group after conversion and described needs or the characteristic information of image are uploaded to Cloud Server, Cloud Server needs the characteristic information of original image or the original image uploaded in the image of checking or the characteristic information of the image shooting step corresponding with described numerical value group to compare to verify by described, and is returned by the result; Or, as read and transforming successfully, described numerical value group after transforming is uploaded to described Cloud Server, the Cloud Server passback original image corresponding with described numerical value group or the characteristic information of original image are to client, and client is by described original image and describedly need the image verified to compare to verify;
The result is shown to user.
Preferably, the characteristic information of described original image is signing with the unique characteristic of correspondence of described original image of producing under selected same algorithm.Accordingly, described in shooting step, after holding equipment shooting original image in the pre-connection, also comprise: the described characteristic signature calculating described original image, the described characteristic information by described original image or original image is uploaded to Cloud Server, Cloud Server returns one group of corresponding numerical value unique with the characteristic information of described original image or original image, specifically comprise: described original image or described characteristic signature are uploaded to Cloud Server, described Cloud Server returns one group of corresponding numerical value group unique with described original image or characteristic signature, in verification step, described from described image reading numerical values converted image, and the numerical value converted image read is converted into described with after step that the is unique corresponding numerical value group of original image, also comprise: the characteristic signature described in it is calculated to the image of described needs checking, described as read and transforming successfully, the image verify the described numerical value group after conversion and described needs or the characteristic information of image are uploaded to Cloud Server, the characteristic signature of the original image uploaded in the characteristic signature of described image or image and shooting step or original image is compared and is verified by Cloud Server, and is returned by the result, or, as read and transforming successfully, described numerical value group after transforming is uploaded to described Cloud Server, the characteristic information of the Cloud Server passback original image corresponding with described numerical value group or original image is to client, client is by described original image and describedly need the image verified to compare to verify, specifically comprise: as read and transforming successfully, the image verify the described numerical value group after conversion and described needs or the characteristic signature of image are uploaded to Cloud Server, the characteristic signature of the original image or original image that are uploaded to described Cloud Server in the described image of needs checking or the characteristic signature of image and shooting step is compared and is verified by Cloud Server, and the result is returned, or, as read and transforming successfully, described numerical value group after transforming is uploaded to described Cloud Server, the Cloud Server passback original image corresponding with described numerical value group or the characteristic signature of original image are to client, and client is by described original image and describedly need the image verified to compare to verify.
Preferably, the described characteristic information by described original image or original image is uploaded to Cloud Server, Cloud Server returns one group of corresponding numerical value group unique with the characteristic information of described original image or original image, specifically comprise: by described original image or characteristic signature, with login account information and/or the information such as mobile phone model information and/or shooting time of user, be uploaded to Cloud Server, Cloud Server returns one group and described original image or characteristic signature, together with login account information and/or the unique corresponding numerical value of the information such as mobile phone model information and/or shooting time of user.
Preferably, described numerical value converted image is embedded on described original image in the mode of the characteristic information or numerical value group that do not affect original image or other positions on the edge of original image or original image.
Preferably, described numerical value converted image is the image of binary format of Quick Response Code form or point, line composition.In fact, described numerical value converted image only need meet can image format to record numerical value group, concrete grammar can have a variety of, and it is known technology, does not repeat herein.
Preferably, described the result is shown to user, specifically comprises: the login account information of the photographer of image the result and needs verified and/or the information such as mobile phone model information and/or shooting time, be shown to user in the lump.
Compared to prior art, the present invention has the following advantages:
Use the application (APP) that the method for the present invention is made, when the plain face that people share oneself is autodyned, just can prove that picture is real and not under a cloud; Can the picture shared of valid certificates oneself be original; Since can prove that image credit and picture are not modified, such picture degree just can be used as evidence; The more important thing is, the method for the present invention can reduce the operation steps of user, fast verifies image exactly, promotes Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the marking image exemplary plot that embedded in numerical value converted image of the embodiment of the present invention;
Fig. 2 is the enlarged diagram of the numerical value converted image A in Fig. 1;
Fig. 3 is the result exemplary plot of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present embodiment provides a kind of handhold equipment image based on cloud service to take and verification method, and it comprises shooting and checking two large divisions.
Described photographing section comprises the following steps (institute completes in steps in App, and described App is preferably installed in smart mobile phone):
1.1, connecting front-end equipment makes it take image, forms original image;
1.2, the characteristic signature of computed image: the specific algorithm that the present embodiment does not have limited features to sign, only needing can the primitiveness of effective authentication image, that is: for different images, produce different characteristic signatures, and can comparison difference distance between different characteristic signatures, meanwhile, the Scalable of image also can not cause the characteristic signature of image to have obvious difference; This step is optional, if do not calculated characteristic signature, directly can use original image; Concrete, so-called gap is from the similarity referring to image.Image is propagated through networking, generally can there is format conversion, (such as micro-letter sends image to repeat continuous lossy compression method, former figure can be compressed into the less image of code check, to reduce networking bandwidth pressure), even Scalable, these processes all can make image change, and the image after change can not produce the characteristic signature the same with original image.But generally these changes are slight.So during comparison characteristic signature, can, according to the difference degree of 2 signatures, determine whether consistent with former figure;
1.3, by described characteristic signature or original image and other optional informations, as: the message of App user: user can in App login account, and the information such as account ID during registration, mobile phone model as the information identifying photographer, can be uploaded to Cloud Server; This step also can be that App produces one group of numerical value (as UUID), and as the use identifying this stack features signature, this group numerical value and characteristic signature are together uploaded to Cloud Server; Cloud Server returns one group of numerical value, and this group numerical value (numerical value of such as 64 or 128 bits) is mainly in order to identify the data (characteristic signature or original image etc.) uploaded;
1.4, the numerical value that Cloud Server returns by App or the numerical value that APP produces convert image format to and form numerical value converted image, and embed in original image and form marking image: described numerical value converted image can be bar code/ Quick Response Code or other forms, as depicted in figs. 1 and 2, in Fig. 2, the interrupted point of white is numerical value converted image, the mode simultaneously embedded is not to affect later image authentication step for principle (such as can not destroy original image so that produce and originally inconsistent new characteristic signature), even if this mode ensure that (png is Lossless Compression to image through format conversion (being such as transformed into .jpg by .png), jpg is lossy compression method, so forward jpg to by png just have fault-tolerant needs), or rational Scalable (such as narrowing down to 640x480 by the original rate 1920x1080 that handles seperately), it still can be correctly read and convert back original numerical value.The main points that should be noted that are: converted image representative be recognition feature signature or the numerical value of original image, but not characteristic signature or original image itself.The benefit of such design is: 1, identification value data volume few (general several byte), and avoid because characteristic signature data volume is large, the converted image causing it to produce is also relatively much larger; If 2 by direct for characteristic signature embedded images, image and characteristic signature have the risk be simultaneously modified, and if embed be identification value, the characteristic signature being stored in Cloud Server cannot be modified.
1.5, the image after above-mentioned process is stored, and user can use, disseminate this image.
Described verification portion comprises the following steps (following steps are carried out at checking client, are also described App usually):
2.1, user wants the image of checking to App input;
2.2, App attempts reading numerical values translated image (see shooting step 1.4) from image, and is converted into numerical value group originally, if read or transform unsuccessfully, then authentication failed;
2.3, calculate its characteristic signature to input picture, this step is optional, corresponding with 1.2 of shooting step;
2.4, by the numerical value group of 2.2 and 2.3 characteristic signatures or image uploading to Cloud Server, Cloud Server is compared, and the result is returned to App client (as be proved to be successful, other optional informations of picture also synchronously return); This step also can be upload to Cloud Server 2.2 numerical value group, Cloud Server passback characteristic of correspondence signature or original image, compared by client (App) and verified;
2.5, other information (as photographer's information) of the result and picture are shown to user, and as shown in Figure 3, time so just available, whether proof diagram sheet is modified, and who is the information such as photographer's (or whose account takes), shooting time.
The emphasis of this method directly embeds original image with image format by the data (one group of simple numerical value from Cloud Server passback) needed for checking, make image in rational scope, reduce amplification, format conversion, repeated compression and do not affect the reading that this organizes numerical value, this is that image disseminates recurrent 3 kinds of situations on networking now.Therefore the image after disseminating can directly be brought to Cloud Server checking, does not need other preservation, obtains and input other data, convenient and swift.The application scenarios of this method is propagated based on socialgram picture, and card deposited by law is secondary.Namely this method can reduce the formality needing when user carries out taking and verifies to get involved, and improves Consumer's Experience.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1., based on handhold equipment image shooting and the verification method of cloud service, it is characterized in that, comprising:
Shooting step:
Connect front-end equipment shooting original image;
The characteristic information of described original image or original image is uploaded to Cloud Server, and Cloud Server returns one group of corresponding numerical value group unique with the characteristic information of described original image or original image; Or, produce one group of corresponding numerical value group unique with the characteristic information of described original image or original image, and by this numerical value group with, the characteristic information of described original image or original image, is uploaded to Cloud Server;
The numerical value group of the described numerical value group that returns or generation is converted to image format and forms numerical value converted image, and this numerical value converted image is embedded in original image forms marking image and preserved;
Verification step:
Receive the image of the needs checking of user's input;
Reading numerical values converted image from described image, and the numerical value converted image read is converted into described corresponding numerical value group unique with original image, as read or transform unsuccessfully, then authentication failed;
As read and transforming successfully, the image verify the described numerical value group after conversion and described needs or the characteristic information of image are uploaded to Cloud Server, Cloud Server needs the characteristic information of original image or the original image uploaded in the image of checking or the characteristic information of the image shooting step corresponding with described numerical value group to compare to verify by described, and is returned by the result; Or, as read and transforming successfully, described numerical value group after transforming is uploaded to described Cloud Server, the Cloud Server passback original image corresponding with described numerical value group or the characteristic information of original image are to client, and client is by described original image and describedly need the image verified to compare to verify;
The result is shown to user.
2. method according to claim 1, is characterized in that: the characteristic information of described original image is signing with the unique characteristic of correspondence of described original image of producing under selected same algorithm.
3. method according to claim 1 and 2, it is characterized in that: the described characteristic information by described original image or original image is uploaded to Cloud Server, Cloud Server returns one group of corresponding numerical value group unique with the characteristic information of described original image or original image, specifically comprise: by described original image or characteristic signature, with login account information and/or the information such as mobile phone model information and/or shooting time of user, be uploaded to Cloud Server, Cloud Server returns one group and described original image or characteristic signature, together with login account information and/or the unique corresponding numerical value of the information such as mobile phone model information and/or shooting time of user.
4. method according to claim 1 and 2, is characterized in that: described numerical value converted image is embedded in the edge of described original image or other positions of original image in the mode of the characteristic information or numerical value group that do not affect original image.
5. method according to claim 4, is characterized in that: described numerical value converted image is the image of binary format of Quick Response Code form or point, line composition.
6. method according to claim 1, it is characterized in that: described the result is shown to user, specifically comprise: the login account information of the photographer of image the result and needs verified and/or the information such as mobile phone model information and/or shooting time, be shown to user in the lump.
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| CN201510084050.7A CN104616313A (en) | 2015-02-16 | 2015-02-16 | Handheld device image shooting and verification method based on cloud service |
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