CN103761652A - Anti-fake method and anti-fake device - Google Patents
Anti-fake method and anti-fake device Download PDFInfo
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- CN103761652A CN103761652A CN201310631779.2A CN201310631779A CN103761652A CN 103761652 A CN103761652 A CN 103761652A CN 201310631779 A CN201310631779 A CN 201310631779A CN 103761652 A CN103761652 A CN 103761652A
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Abstract
The invention discloses an anti-fake method and an anti-fake device. The anti-fake method comprises the image acquisition step, the authenticity verification step and the message projection step. In the image acquisition step, the image of an object watched by a user is obtained. In the authenticity verification step, whether the image comprises the preset anti-fake characteristic is verified, and a verification prompt message is obtained. In the message projection step, the verification prompt message is projected to the eye ground of the user according to the position, relative to the user, of the object. The anti-fake device comprises modules achieving the steps of the method. According to the anti-fake method, the image of the object watched by the user is obtained automatically, the authenticity of the object is verified, then the verification prompt message is projected to the eye ground of the user according to the position, relative to the user, of the object, and therefore the user who does not have corresponding verification knowledge or does not intend to verify of the authenticity of the object can obtain the authenticity verification prompt message of the object, the whole verification process is natural, and the user can know the authenticity of the object which is watched without additional verification action.
Description
Technical field
The present invention relates to field of anti-counterfeit technology, relate in particular to a kind of method for anti-counterfeit and false proof device.
Background technology
Anti-counterfeiting technology refers to the measure of taking in order to reach false proof object, and it can accurately be discerned the false from the genuine within the specific limits, and is difficult for being imitated and copying.The anti-counterfeiting technology of extensively using in popular life at present is for example, treating that some anti-counterfeiting characteristics, commodity counterfeit prevention, bill anti-counterfeit, antiforge etc. are set on false proof object or in object.Some anti-counterfeiting characteristic users can be rule of thumb by oneself feel to sentence and determine whether it is true or false, the true and false of other anti-counterfeiting characteristics---for example some antifalsification labels all needs specialized equipment, online inquiry or Help by Phone conventionally, directly convenient not.Wherein, sometimes user may not recognize the true and false that will remove to distinguish described anti-counterfeiting characteristic at all, and in addition, under some occasions, due to the restriction of condition or the restriction of occasion, user is likely inconvenient to carry out the object true and false and is distinguished.Therefore need to find a kind of nature, convenient, effective method for anti-counterfeit and false proof device.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of method for anti-counterfeit and false proof device are provided, with assisted user nature, the true and false convenient, that effectively carry out the object of observation, judge.
For achieving the above object, first aspect, the invention provides a kind of method for anti-counterfeit, comprising:
Image acquisition step, obtains user and watches attentively the image of object;
Authenticity verification step, verifies in described image whether comprise predetermined anti-counterfeiting characteristic, obtains a verification tip information;
Information projection step, the position eyeground projection to described user by described verification tip information according to described object with respect to described user.
Second aspect, the invention provides a kind of false proof device, comprising:
Image collection module, watches the image of object attentively for obtaining user;
Authenticity verification module, for verifying whether described image comprises predetermined anti-counterfeiting characteristic, obtains a verification tip information;
Information projection module, for the position eyeground projection to described user by described verification tip information with respect to described user according to described object.
The third aspect, the invention provides a kind of wearable device, comprises above-mentioned false proof device.
Embodiment of the present invention technique scheme is watched the image of object attentively and carries out the checking of the described object true and false user's side automatic acquisition user, and verification tip information and object are projected to user eyeground accordingly with respect to user's position, help user there is no corresponding checking knowledge or do not recognizing the authenticity verification information that obtains object will go the identifying object true and false in the situation that, whole proof procedure is very natural, does not need user to do any extra checking action.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of a kind of method for anti-counterfeit of the embodiment of the present invention;
Fig. 2 is the process flow diagram of authenticity verification step in a kind of method for anti-counterfeit of the embodiment of the present invention;
The verification tip information that a kind of method for anti-counterfeit user that Fig. 3 a to 3c is the embodiment of the present invention sees and the schematic diagram of object;
Fig. 4 a is the schematic diagram of the spot pattern of a kind of method for anti-counterfeit use of the embodiment of the present invention;
Fig. 4 b is the schematic diagram of the pattern on the eyeground of a kind of method for anti-counterfeit acquisition of the embodiment of the present invention;
Fig. 5 is the flow chart of steps of the another kind of method for anti-counterfeit of the embodiment of the present invention;
Fig. 6 a is the structural representation block diagram of a kind of false proof device of the embodiment of the present invention;
Fig. 6 b and 6c are the structural representation block diagram of another several false proof devices of the embodiment of the present invention;
Fig. 7 a is the structured flowchart of the position detecting module in a kind of false proof device of the embodiment of the present invention;
Fig. 7 b is the structured flowchart of the position detecting module in the another kind of false proof device of the embodiment of the present invention;
Fig. 7 c and 7d are the schematic diagram of the position detecting module of embodiment of the present invention respective optical path while carrying out position probing;
Fig. 8 is a kind of security device application of embodiment of the present invention schematic diagram on glasses;
Fig. 9 is the another kind of security device application of the embodiment of the present invention schematic diagram on glasses;
Figure 10 is another security device application of embodiment of the present invention schematic diagram on glasses;
Figure 11 is the structured flowchart of the another kind of false proof device of the embodiment of the present invention;
Figure 12 is the schematic diagram of a kind of wearable device of the embodiment of the present invention.
Embodiment
Method of the present invention and device by reference to the accompanying drawings and embodiment be described in detail as follows.
People often run into the occasion of wanting the identifying object true and false in work, life, for example: when receiving the coin that other people provide, when buying some may be by counterfeit product time and paying, transferring accounts by webpage etc., due to some reasons (for example experience lack and cannot verify, current occasion is inconvenient to verify or do not recognize will carry out fake certification completely), people likely can sustain a loss because not recognizing counterfeit object.Therefore, as shown in Figure 1, the embodiment of the present invention provides a kind of method for anti-counterfeit, comprising:
S110 image acquisition step, obtains user and watches attentively the image of object;
S120 authenticity verification step, verifies in described image whether comprise predetermined anti-counterfeiting characteristic, obtains a verification tip information;
S130 information projection step, the position eyeground projection to described user by described verification tip information according to described object with respect to described user.
Embodiment of the present invention automatic acquisition user watches the image of object attentively and carries out the checking of the described object true and false, then verification tip information is projected to user eyeground, help user there is no corresponding checking knowledge or do not recognizing the authenticity verification information that obtains object will go the identifying object true and false in the situation that, whole proof procedure is very natural, does not need user to do any extra checking action and can know the true and false of watching object attentively.In addition, according to the position projection verification tip information of object, make user when watching object, eyes do not need to focus again and just can automatically see described verification tip information clearly, and acquisition points out effect more really, have improved user's experience.
Below by embodiment, further illustrate each step of embodiment of the present invention method:
S110: image acquisition step, obtain user and watch attentively the image of object.
In embodiments of the present invention, described step S110 preferably can be obtained described user and watched attentively by user's wearable device the image of object, for example, can automatically snap described user and watch attentively by the camera on user's a intelligent glasses image of object.
In other embodiments, described step S110 also likely watches the image of object attentively by obtaining alternately user.For example, when user is when watching the image information of an electronic equipment demonstration attentively, this electronic equipment detects watching attentively of user and this image information is passed to by step S110 described in the embodiment of the present invention and is obtained.Certainly, when user watches object attentively, be while there is no the object of information interaction function, generally or by the mode of taking obtain described image.
S120 authenticity verification step, verifies in described image whether comprise predetermined anti-counterfeiting characteristic, obtains a verification tip information.
In embodiments of the present invention, the provider that described predetermined anti-counterfeiting characteristic is true object is for the false proof special marking that need to be arranged on subject surface.For example: described anti-counterfeiting characteristic is the specific pattern (described specific pattern comprises the combination of specific color, color combination, specific shape or color and shape etc.) in subject surface, this specific pattern can be formed directly on described object, the security pattern of for example note surface; Or can also be to be fixed in addition on described object, for example, stick on a laser label of subject surface; This specific pattern may be to have specific position on described object, for example the specific pattern on described note surface ad-hoc location; Or can also be to be positioned at subject surface optional position, routine laser label described above just likely sticks on any position of subject surface; In another case, the position of described anti-counterfeiting characteristic on object is likely also changing, for example described object is the image information that an electronic equipment shows, for example, during the webpage of an e-bank, this anti-counterfeiting characteristic can be to be embedded in described webpage, but may float arbitrarily in its position in window.
The step S120 of embodiment of the present invention method is by verifying that whether comprising predetermined anti-counterfeiting characteristic in the image that described object to be verified is corresponding obtains a verification tip information.In general, when comprising, obtain representing that described object is genuine verification tip information, while not comprising, obtain representing that described object is pseudo-verification tip information.A kind of special situation is that when described object is true time, described verification tip information does not likely comprise information, only prompting when object is puppet; Or contrary, being all in object is true time prompting, during for puppet, does not point out, that is, when user does not see corresponding information, it is likely false can understanding this object.
As shown in Figure 2, in a kind of possible embodiment of the embodiment of the present invention, described authenticity verification step S120 comprises:
Feature obtaining step S121, the to be verified feature corresponding with described predetermined anti-counterfeiting characteristic according to described Image Acquisition;
Signature verification step S122, verifies that whether described feature to be verified meets predetermined validation criteria, obtains described verification tip information.
In a kind of possible embodiment of the embodiment of the present invention, the feature to be verified that described and described predetermined anti-counterfeiting characteristic is corresponding comprises: with the position of described predetermined anti-counterfeiting characteristic and/or characteristics of image corresponding to pattern.That is, for example:
1) when described predetermined anti-counterfeiting characteristic is the specific pattern that on object, specific region has:
Described step S121 comprises: according to the pattern in the Image Acquisition of the described object region corresponding with described specific region as described feature to be verified;
Described step S122 comprises: the pattern obtaining described in checking whether meet predetermined validation criteria (as with as described in the specific pattern of predetermined anti-counterfeiting characteristic consistent; Or with checking pattern that whether obtains being scheduled to after a reference pattern combination etc.); Certainly, may have the multiple different specific patterns of multiple district inclusions on an object, for example security pattern of multiple ad-hoc locations on bank note, now needs the pattern in each region to verify.
2) when described predetermined anti-counterfeiting characteristic is the specific pattern in indefinite region on object:
Described step S121 comprises: obtain or immediate characteristics of image consistent with described specific pattern in the image of described object;
Described step S122 comprises: whether the characteristics of image obtaining described in checking is consistent with described specific pattern.Certainly, described in the pattern that obtains likely comprise multiple, as long as have at least one to comprise described specific pattern in the plurality of characteristics of image.
Except the embodiment shown in Fig. 2, in the possible embodiment of the another kind of the embodiment of the present invention, described authenticity verification step S120 comprises:
The described image obtaining is sent to outside;
Receive the outside verification tip information of returning.
; except above-mentioned, by step S121 and S122, in this locality, carry out the authenticity verification of described object; the image of the object to be verified of described acquisition can also be sent to the server of far-end or third-party institution etc.; at far-end, according to described image, described object is carried out to authenticity verification; obtain a verification tip information, and then this verification tip information is returned.In this embodiment, in this locality, do not need image to carry out concrete proof procedure, can reduce the performance requirement of local device.
S130: information projection step, the position eyeground projection to described user by described verification tip information according to described object with respect to described user.
In the present invention, described object comprises distance and the direction of described object with respect to described user with respect to described user's position.
After having obtained described verification tip information by step S110 and S120, need to described verification tip information be projected by step S130 to user's eyeground, make described verification tip information by user awareness.In the embodiment of the present invention, according to object, with respect to user's position, carry out the projection of described verification tip information, can make described verification tip information directly be presented at the position at described object place, if Fig. 3 a and 3b are that (wherein Authentic indicated object is true for the object seen of user and corresponding verification tip information, Fake indicated object is pseudo-) schematic diagram, the adjusting that makes like this user need not carry out eyes focal length just can be seen described verification tip information in object shown in watching attentively; In addition, by eyeground, project this mode not only naturally but also more secret, make user when seeing object, see the authenticity verification information of object, other people can not see these information yet simultaneously.
In some cases, for example, when subject surface subregion is covered by stain or pollutes, making above-mentioned steps S120 obtain object is pseudo-verification tip information, but now object is likely still genuine.Therefore, in embodiments of the present invention, described verification tip information comprises that described image does not meet checking and requires identification information partly.Like this, the judged result that can point out user to obtain oneself in conjunction with actual conditions according to above-mentioned verification tip information, the possibility of minimizing erroneous judgement.
Now, on image for the object seen user, identify the identification information that does not meet checking and require part, described identification information and described image need to not being met to checking requires the position of part to project accordingly, as shown in Figure 3 c, the pyramid part of finding bank note in Fig. 3 c in the proof procedure of described object does not meet checking requirement, except showing, represent that this object is pseudo-Fake identifies, described verification tip information comprises a circular identification information M, and the projection that this identification information M is corresponding with the part (pyramid part) that does not meet checking requirement in image, user a glance just can be found out where verify to go wrong.
Further illustrate present embodiment below, described information projection step S130 comprises:
Projection step, projects described verification tip information;
Parameter adjustment step, adjusts at least one projection imaging parameter of light path between described launching position and described user's eyes, until the image of described verification tip information and described object accordingly blur-free imaging on described user's eyeground.
In a kind of possible embodiment of the embodiment of the present invention, described parameter adjustment step comprises:
Regulate at least one imaging parameters of at least one optical device of light path between described launching position and described user's eyes and/or the position in light path.
Imaging parameters described here comprises focal length, optical axis direction of optical device etc.By this adjusting, can make described verification tip information be incident upon suitably user's eyeground, for example, by regulating the focal length of described optical device to make described verification tip information clearly at user's fundus imaging.Or in the embodiment of mentioning below, in the time of need to carrying out stereo display, except directly generating the left-and right-eye images with parallax when generating described verification tip information, by identical verification tip frame had to certain deviation being projected to respectively two eyes the stereo display effect that also can realize described verification tip information, now, for example can regulate the optical axis parameter of described optical device to reach this effect.
While watching object due to user, the direction of visual lines of eyes may be different, need to when the direction of visual lines of eyes of user is different, described verification tip information can be projected preferably to user's eyeground, therefore, in a kind of possible embodiment of the embodiment of the present invention, described information projection step S130 also comprises:
The position of pupil when corresponding described eyes optical axis direction is different respectively, transmits described verification tip information to described user's eyeground.
In a kind of possible embodiment of the embodiment of the present invention, may need to realize by curved surface optical device such as curved surface spectroscopes the function of above-mentioned steps, but after transmitting by curved surface optical device, content to be shown generally can deform, therefore, in a kind of possible embodiment of the embodiment of the present invention, described information projection step S130 also comprises:
Described verification tip information is carried out to the reversible deformation processing corresponding to position of pupil when different from described eyes optical axis direction, the described verification tip information that eyeground is received need to present.
For example: the verification tip information for the treatment of projection is carried out pre-service, make the verification tip information projecting there is the reversible deformation contrary with described distortion, this reversible deformation effect is again after above-mentioned curved surface optical device, offset with the deformation effect of curved surface optical device, thereby the verification tip information that user eyeground receives is the effect that need to present to user.
Therefore,, in a kind of possible embodiment of the embodiment of the present invention, described information projection step S130 comprises:
Alignment set-up procedure, the backward described user's of image alignment of the object that described verification tip information and described user are seen eyeground projects.
In order to realize above-mentioned alignment function, in a kind of possible embodiment, described method also comprises:
Position probing step, detects described user's blinkpunkt with respect to described user's position;
Described information projection step S130, the image of with respect to described user's described position, the verification tip information of described projection being seen with described user according to described user's blinkpunkt aligns on described user's eyeground.Herein " alignment " refer to, the described verification tip information that user sees is all corresponding with described object in distance and direction, can regard described verification tip information as and be superimposed upon on described object.
Here, because user is now watching described object attentively, the image information that for example a piece of paper coin or an electronic equipment show, therefore, the position that user's blinkpunkt is corresponding is the position at described object place.
In present embodiment, the mode that detects described user's blinkpunkt position has multiple, for example, comprise following one or more:
I) adopt pupil direction detector detect eyes optical axis direction, by a depth transducer (as infrared distance measurement), obtain again the degree of depth of eye gaze scene, obtain the blinkpunkt position of eye sight line, this technology is prior art, in present embodiment, repeats no more.
Ii) detect respectively the optical axis direction of two, then obtain user's two an eye line directions according to described two eye direction of principal axis, obtain the blinkpunkt position of eye sight line by the intersection point of described two an eye line directions, this technology is also prior art, repeats no more herein.
Iii) according to the imaging surface that collects eyes, present picture rich in detail time image capture position and eyes between the optical parametric of light path and the optical parametric of eyes, obtain the blinkpunkt position of described eye sight line, the invention process regular meeting provides the detailed process of the method below, repeats no more herein.
Certainly, those skilled in the art can know, except the method for viewing points detecting of above-mentioned several forms, other can also can be in the method for the embodiment of the present invention for detection of the method for eyes of user blinkpunkt.
Wherein, by the step that iii) kind method detects the current blinkpunkt position of user, comprise:
Eye fundus image acquisition step, gathers the image on user eyeground described in;
Adjustable image-forming step, carries out the adjusting of at least one imaging parameters of light path between described eye fundus image collection position and described eyes of user until collect an image the most clearly;
Image processing step, image to the described eyeground collecting is analyzed, obtain the described imaging parameters of light path and at least one optical parametric of described eyes between the described eye fundus image collection position corresponding with described image the most clearly and described eyes, and calculate the position of the current blinkpunkt of described user with respect to described user.
By the image at the bottom of eye, carry out analyzing and processing, the optical parametric of eyes while obtaining collecting picture rich in detail, thereby calculate the current focusing position of sight line, for the further position based on this accurate focusing observer's observed behavior being detected basis is provided.
Here the image that " eyeground " presents is mainly the image presenting on retina, and it can be the image on eyeground self, or can be the image that projects other object on eyeground, for example spot pattern cited below.
In adjustable image-forming step, can regulate by the focal length of the optical device in the light path between eyes and collection position and/or the position in light path, can obtain at this optical device eyeground image the most clearly during at some positions or state.This adjusting can be real-time continuously.
In a kind of possible embodiment of embodiment of the present invention method, this optical device can be focal length adjustable lens, completes the adjustment of its focal length for the refractive index by adjusting this optical device self and/or shape.Be specially: 1) by least curvature of one side of the adjustable lens of focusing, focus, for example, in the cavity forming at Double-layered transparent layer, increase or reduce the focus curvature of adjustable lens of liquid medium; 2) by the refractive index that changes focal length adjustable lens, focus, for example in focal length adjustable lens, be filled with particular fluid crystalline medium, by the voltage of adjustable liquid crystal display medium counter electrode, adjust the arrangement mode of liquid crystal media, thereby change the refractive index of focal length adjustable lens.
In the possible embodiment of the another kind of the method for the embodiment of the present invention, this optical device can be: lens combination, and for by regulating relative position between lens combination lens to complete the adjustment of lens combination self focal length.Or one or more pieces lens in described lens combination are focal length adjustable lens recited above.
Except above-mentioned two kinds of characteristics by optical device self change the light path parameter of system, can also be by regulating the position of optical device in light path to change the light path parameter of system.
In addition,, in the method for the embodiment of the present invention, described image processing step further comprises:
The image collecting in eye fundus image acquisition step is analyzed, found image the most clearly;
Known imaging parameters calculates the optical parametric of eyes during picture rich in detail according to described image the most clearly and described in obtaining.
Adjustment in described adjustable image-forming step makes it possible to collect image the most clearly, but need to find this image the most clearly by described image processing step, just can be by calculating the optical parametric of eyes according to described image the most clearly and known light path parameter.
In the method for the embodiment of the present invention, in described image processing step, also can comprise:
To eyeground projected spot.The hot spot projecting can not have specific pattern only for illuminating eyeground.The hot spot projecting also can comprise the pattern of feature rich.The feature rich of pattern can be so that detect raising accuracy of detection.The exemplary plot of a spot pattern P as shown in Figure 4 a, this pattern can be formed by spot pattern maker, for example frosted glass; Fig. 4 b is depicted as the image on the eyeground collecting when having spot pattern P projection.
In order not affect normally watching of eyes, preferred, described hot spot is the sightless infrared light spot of eyes.Now, in order to reduce the interference of other spectrum: the light outside the eyes invisible light in can filtering institute projected spot.
Correspondingly, method of the invention process also can comprise the following steps:
The result that analysis obtains according to above-mentioned steps, controls projected spot brightness.The characteristic of the image collecting described in this analysis result for example comprises, comprises the contrast of characteristics of image and textural characteristics etc.
It should be noted that, control a kind of special situation of projected spot brightness for starting or stop projection, for example observer continues to watch attentively when some and can periodically stop projection; Observer eyeground can stop projection while enough becoming clear, and utilizes eyeground information to detect the distance of the current sight line focusing of eyes to eyes.
In addition, can also control projected spot brightness according to surround lighting.
Preferably, in the method for the embodiment of the present invention, described image processing step also comprises:
Carry out the calibration of eye fundus image, obtain the benchmark image that at least one image presenting with eyeground is corresponding.Tool is sayed it, and the image collecting and described benchmark image are carried out to comparing calculation, image the most clearly described in acquisition.Here, described image the most clearly can for obtain with the image of described benchmark image difference minimum.In the method for present embodiment, can calculate by existing image processing algorithm the difference of image and the benchmark image of current acquisition, for example use the automatic focus algorithm of classical phase difference value.
The optical parametric of described eyes can comprise the eyes optical axis direction according to the feature of eyes obtains during picture rich in detail described in collecting.Here the feature of eyes can be obtained from described picture rich in detail, or also can obtain in addition.According to the optical axis direction of described eyes, can obtain the direction of gaze of eyes of user sight line.Tool is sayed it, can according to described in obtaining during picture rich in detail the feature on eyeground obtain eyes optical axis direction, and determine that by the feature on eyeground eyes optical axis direction degree of accuracy is higher.
When to eyeground projected spot pattern, the size of spot pattern is likely greater than viewing area, eyeground or is less than viewing area, eyeground, wherein:
When the area of spot pattern is less than or equal to viewing area, eyeground, can utilize classical Feature Points Matching algorithm (for example yardstick invariant features conversion (Scale Invariant Feature Transform, SIFT) algorithm) with respect to position, eyeground, to determine eyes optical axis direction by the spot pattern in detected image.
When the area of spot pattern is more than or equal to viewing area, eyeground, can with respect to the position of former spot pattern (obtaining by image calibration), determine that eyes optical axis direction determines observer's direction of visual lines by the spot pattern on the image obtaining.
In the possible embodiment of the another kind of the method for the embodiment of the present invention, also can according to described in obtaining during picture rich in detail the feature of eye pupil obtain eyes optical axis direction.Here the feature of eye pupil can be obtained from described picture rich in detail, also can obtain in addition.By eye pupil feature, obtaining eyes optical axis direction is prior art, repeats no more herein.
In addition, in the method for the embodiment of the present invention, also can comprise the calibration steps to eyes optical axis direction, to carry out more accurately determining of above-mentioned eyes optical axis direction.
In the method for the embodiment of the present invention, described known imaging parameters comprises fixing imaging parameters and real time imagery parameter, wherein real time imagery parameter be while obtaining picture rich in detail described in the parameter information of optical device, this parameter information can described in obtaining during picture rich in detail real time record obtain.
After obtaining the current optical parametric of eyes, just can arrive in conjunction with the eyes focusing calculating the distance (detailed process describes in detail in connection with device part) of eyes, obtain the position of eye gaze point.
In order to allow the verification tip information that user sees there is stereo display effect, truer, in a kind of possible embodiment of the embodiment of the present invention, can, in described information projection step S130, described verification tip information three-dimensionally be projected to described user's eyeground.
As described above, in a kind of possible embodiment, the demonstration of this solid can be by identical information, projects the adjustment of launching position in step S130 by information, and the information with parallax that two eyes of user are seen forms stereo display effect.
In the possible embodiment of another kind, described verification tip information comprises corresponding with two of described user respectively steric information, and in described information projection step S130, two to described user project corresponding verification tip information respectively.That is: described verification tip information comprises the left eye information corresponding with user's left eye and the right eye information corresponding with user's right eye, during projection, described left eye information is projected to user's left eye, right eye information is projected to user's right eye, make the verification tip information that user sees there is applicable stereo display effect, bring better user to experience.
In certain embodiments, the image that user obtains in described image acquisition step can be the image of all objects of occurring in the user visual field, in the embodiment of the present invention, can carry out above-mentioned proof procedure to one or the anti-counterfeiting object for the treatment of that some are main in the visual field.In further embodiments, preferably, first determine user's the object of watching attentively, then carry out above-mentioned proof procedure for this object, avoid the checking of other unnecessary object.Therefore, as shown in Figure 5, in embodiments of the present invention, described method also comprises before authenticity verification carrying out:
Watch object attentively and confirm step S140, confirm user's the object of watching attentively.
In embodiments of the present invention, described method further comprises:
Position probing step, detects the position of user's blinkpunkt with respect to user;
Watch object attentively and confirm step S140, the object of watching attentively with respect to user described in user's location confirmation according to described blinkpunkt.
In the present embodiment, the position probing step is here identical with the position probing step in information projection step, can be even same step, repeats no more here.
It will be appreciated by those skilled in the art that, in the said method of the specific embodiment of the invention, the sequence number size of each step does not also mean that the priority of execution sequence, the execution sequence of each step should be definite with its function and internal logic, and should not form any restriction to the implementation process of the specific embodiment of the invention.
As shown in Figure 6 a, the embodiment of the present invention provides a kind of false proof device 600, comprising:
The false proof device automatic acquisition user of the embodiment of the present invention watches the image of object attentively and carries out the checking of the described object true and false, then verification tip information is projected to user eyeground, help user there is no corresponding checking knowledge or do not recognizing the authenticity verification information that obtains object will go the identifying object true and false in the situation that, whole proof procedure is very natural, does not need user to do any extra checking action and can know the true and false of watching object attentively.In addition, according to the position projection verification tip information of object, make user when watching object, eyes do not need to focus again and just can automatically see described verification tip information clearly, and acquisition points out effect more really, have improved user's experience.
Below by embodiment, further illustrate each module of embodiment of the present invention device:
In embodiments of the present invention, described image collection module 610 can be an image capture module, is preferably the image capture module near the wearable device of user's head, for example, camera on the intelligent glasses that user wears.The object of user being watched attentively by this image capture module carries out image acquisition, and then obtains the image of described object.
Certainly, in other embodiments, described image collection module 610 can also be for example the interactive module of an equipment room, for example, when described object is the image information of an electronic equipment demonstration, when detection (can be that described electronic equipment detects or the device of the embodiment of the present invention detects) is being watched this object attentively to user, can obtain by the information interaction between this electronic equipment and described image collection module 610 image of described object.
In the embodiment of the present invention, the definition of described predetermined anti-counterfeiting characteristic, with reference to description corresponding in said method embodiment, repeats no more here.
Described in the embodiment of the present invention, authenticity verification module 620 is by verifying that whether comprising predetermined anti-counterfeiting characteristic in the image that described object to be verified is corresponding obtains a verification tip information.In general, when comprising, obtain representing that described object is genuine verification tip information, while not comprising, obtain representing that described object is pseudo-verification tip information.A kind of special situation is that when described object is true time, described verification tip information does not likely comprise information, only prompting when object is puppet; Or contrary, being all in object is true time prompting, during for puppet, does not point out, and, when user does not see corresponding information, can know that this object is likely false that is.
As shown in Figure 6 b, in the possible embodiment of the embodiment of the present invention one, described authenticity verification module 620 comprises:
Feature is obtained submodule 621, for the to be verified feature corresponding with described predetermined anti-counterfeiting characteristic according to described Image Acquisition;
In embodiments of the present invention, described feature is obtained submodule 621 and is further used for: according to the position of described Image Acquisition and described predetermined anti-counterfeiting characteristic and/or characteristics of image corresponding to pattern as described feature to be verified.
Described feature is obtained submodule 621 and signature verification submodule 622 and is obtained and verify that the process of feature to be verified in described image is shown in the description of corresponding step in said method embodiment, repeats no more here.
As shown in Fig. 6 c, in the possible embodiment of the another kind of the embodiment of the present invention, described authenticity verification module 620 comprises: the first communicator module 623, for
The described image obtaining is sent to outside;
Receive the outside verification tip information of returning.
; the present embodiment sends to the server of far-end or third-party institution etc. by described the first communicator module 623 by the image of the object to be verified of described acquisition; at far-end, according to described image, described object is carried out to authenticity verification; obtain a verification tip information, and then this verification tip information is returned.In this embodiment, in this locality, do not need image to carry out concrete proof procedure, can reduce the performance requirement of local device.
In the present embodiment, described information projection module 630, for the position eyeground projection to described user by described verification tip information with respect to described user according to described object." according to described object, with respect to described user's position, described verification tip information is projected to described user's eyeground " and refer to herein, the described verification tip information that user sees is all corresponding with described object in distance and direction, can regard described verification tip information as and be superimposed upon on described object.Described object can be mentioned in detail with respect to described user's obtaining below of position.
As shown in Figure 6 b, in embodiments of the present invention, described information projection module 630 comprises:
In some cases, for example subject surface subregion is covered by stain or pollutes, and making described authenticity verification module 620 obtain object is pseudo-verification tip information, but now object is likely still genuine.Therefore, the embodiment of the present invention is in a kind of possible embodiment:
Described verification tip information comprises that described image does not meet checking and requires identification information partly;
Now, described information projection module 630 also for, described identification information and described image are not met to the position that checking requires part and project accordingly (example as shown in Figure 3 c project the image on object).
Like this, the judged result that can point out user to obtain oneself in conjunction with actual conditions according to above-mentioned verification tip information, the possibility of minimizing erroneous judgement.
In the present invention, described object comprises distance and the direction of described object with respect to described user with respect to described user's position.
As shown in Figure 6 b, in one embodiment, described information projection module 630 comprises:
One curved surface light-splitting device 633, when different for the corresponding described eyes optical axis direction of difference, the position of pupil, transmits described verification tip information to described user's eyeground.
In one embodiment, described information projection module 630 comprises:
The function of each submodule of above-mentioned projection module is referring to the description of corresponding step in embodiment of the method above, and Fig. 7 a-7d below, also can provide example in the embodiment shown in Fig. 8 and Fig. 9.
In the embodiment of the present invention, according to object, with respect to user's position, carry out the projection of described verification tip information, can make described verification tip information directly be presented at the position at described object place, the adjusting that makes user need not carry out eyes focal length just can be seen described verification tip information in object shown in watching attentively; In addition, by eyeground, project this mode not only naturally but also more secret, make user when seeing object, see the authenticity verification information of object, other people can not see these information yet simultaneously.
In certain embodiments, the image that user obtains in described image acquisition step can be the image of all objects of occurring in the user visual field, in the embodiment of the present invention can in the visual field all or some main anti-counterfeiting object for the treatment of carry out above-mentioned proof procedure.But because the object that user may only need to watch attentively oneself is verified, so all objects in the user visual field are carried out to checking and can cause the waste of resource.Therefore, in further embodiments, preferably, first determine user's the object of watching attentively, then carry out above-mentioned proof procedure for this object, avoid the checking of other unnecessary object.As shown in Figure 6 b, in embodiments of the present invention, described device 600 also comprises:
Watch object attentively and confirm module 640, for confirming user's the object of watching attentively.
Now, preferably, described device 600 also comprises:
Described watch attentively object confirm module 640, the object of watching attentively with respect to user described in user's location confirmation according to described blinkpunkt.
Here, because user is now watching described object attentively, therefore, the position that user's blinkpunkt is corresponding is the position at described object place.Be that the result that described position detecting module 650 obtains can be used in the projection process of described information projection module 630.
Illustrate the structure of described position detecting module below:
In the embodiment of the present invention, described position detecting module 650 can have multiple implementation, for example embodiment of the method i)-iii) plant device corresponding to described method.The embodiment of the present invention further illustrates by Fig. 7 a-Fig. 7 d, Fig. 8 and embodiment corresponding to Fig. 9 and iii) plants position detecting module corresponding to method:
As shown in Figure 7a, in a kind of possible embodiment of the embodiment of the present invention, described position detecting module 700 comprises:
One eye fundus image gathers submodule 710, for gathering the image on user eyeground described in;
One adjustable imaging submodule 720, for carrying out the adjusting of at least one imaging parameters of light path between described eye fundus image collection position and described eyes of user until collect an image the most clearly;
One image is processed submodule 730, for the image on the described eyeground collecting is analyzed, obtain the described imaging parameters of light path and at least one optical parametric of described eyes between the described eye fundus image collection position corresponding with described image the most clearly and described eyes, and calculate the position of the current blinkpunkt of described user with respect to described user.
This position detecting module 700 is carried out analyzing and processing by the image at the bottom of eye, and when obtaining described eye fundus image and gathering submodule and obtain picture rich in detail, the optical parametric of eyes, just can calculate the current blinkpunkt position of eyes.
Here the image that " eyeground " presents is mainly the image presenting on retina, and it can be the image on eyeground self, or can be the image that projects other object on eyeground.The eyes here can be human eye, can be also the eyes of other animal.
As shown in Figure 7b, in a kind of possible embodiment of the embodiment of the present invention, it is minisize pick-up head that described eye fundus image gathers submodule 710, in the possible embodiment of the another kind of the embodiment of the present invention, described eye fundus image gathers directly use sense photoimaging device of submodule 710, as devices such as CCD or CMOS.
In a kind of possible embodiment of the embodiment of the present invention, described adjustable imaging submodule 720 comprises: adjustable lens device 721, at eyes and described eye fundus image, gather in the light path between submodule 710, self focal length position adjustable and/or in light path is adjustable.By this adjustable lens device 721, make from eyes adjustable to the system equivalent focal length described eye fundus image collection submodule 710, by the adjusting of adjustable lens device 721, make described eye fundus image gather submodule 710 in some positions of adjustable lens device 721 or obtain eyeground image the most clearly during state.In the present embodiment, described adjustable lens device 721 real-time adjusting continuously in testing process.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described adjustable lens device 721 is: focal length adjustable lens, completes the adjustment of self focal length for the refractive index by regulating self and/or shape.Be specially: 1) by least curvature of one side of the adjustable lens of focusing, focus, for example, in the cavity forming at Double-layered transparent layer, increase or reduce the focus curvature of adjustable lens of liquid medium; 2) by the refractive index that changes focal length adjustable lens, focus, for example in focal length adjustable lens, be filled with particular fluid crystalline medium, by the voltage of adjustable liquid crystal display medium counter electrode, adjust the arrangement mode of liquid crystal media, thereby change the refractive index of focal length adjustable lens.
In the possible embodiment of the another kind of the embodiment of the present invention, described adjustable lens device 721 comprises: the lens combination that multi-disc lens form, and for regulating relative position between lens combination lens to complete the adjustment of lens combination self focal length.In described lens combination, also can comprise the adjustable lens of imaging parameters such as self focal length.
By the characteristic that regulates adjustable lens device 721 self, change the light path parameter of system except above-mentioned two kinds, can also be by regulating the position of described adjustable lens device 721 in light path to change the light path parameter of system.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, in order not affect the viewing experience of user to the object of observation, and for make system can portable application on Wearable equipment, described adjustable imaging submodule 720 also comprises: spectrophotometric unit 722, is used to form between eyes and the object of observation and eyes and eye fundus image gather the light bang path between submodule 710.Can fold light path like this, reduce the volume of system, not affect as far as possible other visual experience of user simultaneously.
Preferably, in the present embodiment, described spectrophotometric unit comprises: the first spectrophotometric unit, between eyes and the object of observation, the light for viewed in transmittance object to eyes, transmits the light of eyes to eye fundus image collection submodule.
Described the first spectrophotometric unit can be spectroscope, light splitting optical waveguide (comprising optical fiber) or other applicable light-dividing device.
In a kind of possible embodiment of the embodiment of the present invention, the image of described system is processed submodule 730 and is comprised light path alignment unit, for the light path to system, calibrates, for example, carry out the alignment of light path light axis etc., with the precision that guarantees to measure.
In a kind of possible embodiment of the embodiment of the present invention, described image is processed submodule 730 and is comprised:
In the present embodiment, by adjustable imaging submodule 720, make described eye fundus image gather submodule 710 and can obtain image the most clearly, but need to find this image the most clearly by described image analyzing unit 731, now just can be by calculating the optical parametric of eyes according to described image the most clearly and the known light path parameter of system.Here the optical parametric of eyes can comprise the optical axis direction of eyes.
In a kind of possible embodiment of the embodiment of the present invention, preferably, described system also comprises: projection submodule 740, and for to eyeground projected spot.In a possible embodiment, can carry out by micro projector the function of this projection submodule of sight line.This projection submodule 740 can be realized its function by same equipment with the projection submodule of information projection module 630 recited above.
Here the hot spot of projection can not have specific pattern only for illuminating eyeground.
In the preferred a kind of embodiment of the embodiment of the present invention, the hot spot of described projection comprises the pattern of feature rich.The feature rich of pattern can be so that detect raising accuracy of detection.The exemplary plot of a spot pattern P as shown in Figure 4 a, this pattern can be formed by spot pattern maker, for example frosted glass; Fig. 4 b is depicted as the image on the eyeground photographing when having spot pattern P projection.
In order not affect normally watching of eyes, preferred, described hot spot is the sightless infrared light spot of eyes.
Now, in order to reduce the interference of other spectrum:
The exit facet of described projection submodule can be provided with eyes invisible light transmission filter.
The plane of incidence that described eye fundus image gathers submodule is provided with eyes invisible light transmission filter.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described image is processed submodule 730 and is also comprised:
The characteristic self-adaptation that for example described projection control unit 734 can gather the image that submodule 710 obtains according to eye fundus image is adjusted brightness.Here the characteristic of image comprises the contrast of characteristics of image and textural characteristics etc.
Here, control a kind of special situation of projected spot brightness of described projection submodule 740 for opening or closing projection submodule 740, for example user continues to watch attentively when some and can periodically close described projection submodule 740; When enough become clear in user eyeground, can close light emitting source only utilizes eyeground information to detect the distance of the current sight line blinkpunkt of eyes to eyes.
In addition, described projection control unit 734 can also be controlled according to surround lighting the projected spot brightness of projection submodule 740.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described image is processed submodule 730 and is also comprised: image calibration unit 733, for carrying out the calibration of eye fundus image, obtains the benchmark image that at least one image presenting with eyeground is corresponding.
Described image analyzing unit 731 gathers by eye fundus image image and the described benchmark image that submodule 730 obtains and carries out comparing calculation, image the most clearly described in acquisition.Here, described image the most clearly can for obtain with the image of described benchmark image difference minimum.In the present embodiment, by existing image processing algorithm, calculate the difference of image and the benchmark image of current acquisition, for example, use the automatic focus algorithm of classical phase difference value.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described parameter calculation unit 732 comprises:
Eyes optical axis direction is determined subelement 7321, for according to described in obtaining during picture rich in detail the feature of eyes obtain eyes optical axis direction.
Here the feature of eyes can be obtained from described picture rich in detail, or also can obtain in addition.According to eyes optical axis direction, can obtain the direction that eyes of user sight line is watched attentively.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described eyes optical axis direction determines that subelement 7321 comprises: first determines subelement, for according to described in obtaining during picture rich in detail the feature on eyeground obtain eyes optical axis direction.With by the feature of pupil and eyeball surface, obtain eyes optical axis direction and compare, by the feature on eyeground, determine that eyes optical axis direction degree of accuracy is higher.
When to eyeground projected spot pattern, the size of spot pattern is likely greater than viewing area, eyeground or is less than viewing area, eyeground, wherein:
When the area of spot pattern is less than or equal to viewing area, eyeground, can utilize classical Feature Points Matching algorithm (for example yardstick invariant features conversion (Scale Invariant Feature Transform, SIFT) algorithm) with respect to position, eyeground, to determine eyes optical axis direction by the spot pattern in detected image;
When the area of spot pattern is more than or equal to viewing area, eyeground, can with respect to the position of former spot pattern (obtaining by image calibration unit), determine that eyes optical axis direction determines user's direction of visual lines by the spot pattern on the image obtaining.
In the possible embodiment of the another kind of the embodiment of the present invention, described eyes optical axis direction determines that subelement 7321 comprises: second determines subelement, for according to described in obtaining during picture rich in detail the feature of eye pupil obtain eyes optical axis direction.Here the feature of eye pupil can be obtained from described picture rich in detail, also can obtain in addition.By eye pupil feature, obtaining eyes optical axis direction is prior art, repeats no more herein.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described image is processed submodule 730 and is also comprised: eyes optical axis direction alignment unit 735, and for carrying out the calibration of eyes optical axis direction, to carry out more accurately determining of above-mentioned eyes optical axis direction.
In the present embodiment, the known imaging parameters of described system comprises fixing imaging parameters and real time imagery parameter, wherein real time imagery parameter be while obtaining picture rich in detail described in the parameter information of adjustable lens device, this parameter information can described in obtaining during picture rich in detail real time record obtain.
The distance that calculates eye gaze below again and put eyes, is specially:
Fig. 7 c is depicted as eye imaging schematic diagram, in conjunction with the lens imaging formula in classical optical theory, by Fig. 7 c, can obtain formula (1):
Its neutralization is respectively the distance of real image on the current object of observation 7010 of eyes and retina 7020 to eyes equivalent lens 7030, is the equivalent focal length of eyes equivalent lens 7030, the direction of visual lines (can be obtained by the optical axis direction of described eyes) that X is eyes.
Fig. 7 d is depicted as the schematic diagram that obtains eye gaze and put the distance of eyes according to the optical parametric of system known optical parameter and eyes, in Fig. 7 d, hot spot 7040 can become a virtual image (not shown in Fig. 7 d) by adjustable lens device 721, suppose that this virtual image is (not shown in Fig. 7 d) apart from lens distance, can obtain following system of equations in conjunction with formula (1):
Be wherein the optical equivalence distance of hot spot 7040 to adjustable lens device 721, for adjustable lens device 721 is to the optical equivalence distance of eyes equivalent lens 7030, for the focal length value of adjustable lens device 721, for described eyes equivalent lens 7030 is to the distance of adjustable lens device 721.
By (1) and (2), can draw current object of observation 7010(eye gaze point) to the distance of eyes equivalent lens 7030 as shown in formula (3):
Distance according to the above-mentioned object of observation calculating 7010 to eyes, because record before can obtain eyes optical axis direction, can obtain the blinkpunkt position of eyes again easily, is follow-up further alternately provide the foundation relevant to eyes.
The position detecting module 800 that is illustrated in figure 8 a kind of possible embodiment of the embodiment of the present invention is applied in the embodiment on glasses G, it comprises the content of the record of Fig. 7 b illustrated embodiment, be specially: as seen from Figure 8, in the present embodiment, the integrated module 800 of present embodiment on glasses G right side (being not limited to this), it comprises:
Minisize pick-up head 810, its effect is identical with the eye fundus image collection submodule of recording in Fig. 7 b embodiment, the sight line of normally watching object in order not affect user, it is arranged at the right outside side of glasses G;
The first spectroscope 820, its effect is identical with the first spectrophotometric unit of recording in Fig. 7 b embodiment, with certain inclination angle, be arranged at the intersection point place of eyes A direction of gaze and camera 810 incident directions, viewed in transmittance object enters the light of eyes A and reflects the light of eyes to camera 810;
Focal length adjustable lens 830, its effect is identical with the focal length adjustable lens of recording in Fig. 7 b embodiment, between described the first spectroscope 820 and camera 810, carries out in real time the adjustment of focal length value, make when certain focal length value, described camera 810 can photograph eyeground image the most clearly.
In the present embodiment, described image is processed submodule and is not expressed in Fig. 8, and its function is identical with the image processing submodule shown in Fig. 7 b.
Due to generally, the brightness on eyeground is inadequate, therefore, is preferably thrown light in eyeground, in the present embodiment, by a light emitting source 840, is thrown light in eyeground.In order not affect user's experience, preferred light emitting source 840 be eyes invisible light here, preferably on eyes A impact not quite and camera 810 again than more sensitive near infrared light light emitting source.
In the present embodiment, described light emitting source 840 is positioned at the spectacle frame outside on right side, therefore needs to complete together with described the first spectroscope 820 by second spectroscope 850 transmission to eyeground of light that described light emitting source 840 sends.In present embodiment, before described the second spectroscope 850 is positioned at again the plane of incidence of camera 810, therefore it also needs the light of transmission eyeground to the second spectroscope 850.
Can find out, in the present embodiment, experience and improve the collection sharpness of camera 810 in order to improve user, described the first spectroscope 820 preferably can have high to infrared reflectivity, high to transmission of visible light characteristic.For example can towards a side of eyes A, infrared reflection film be set at the first spectroscope 820 and realize above-mentioned characteristic.
As seen from Figure 8, due in the present embodiment, described position detecting module 800 is positioned at the eyeglass of glasses G away from a side of eyes A, therefore carries out eyes optical parametric while calculating, eyeglass also can be regarded as to a part of eyes A, now do not needed to know the optical characteristics of eyeglass.
In other embodiment of the embodiment of the present invention, described position detecting module 800 may be positioned at the eyeglass of glasses G near a side of eyes A, now, need to obtain in advance the optical property parameter of eyeglass, and calculate blinkpunkt apart from time, consider the influence factor of eyeglass.
The light that in the present embodiment, light emitting source 840 sends by reflection, the projection of focal length adjustable lens 830 and the reflection of the first spectroscope 820 of the second spectroscope 850 after again the eyeglass of transmitted through glasses G enter eyes of user, and finally arrive on the retina on eyeground; The light path that camera 810 forms through described the first spectroscope 820, focal length adjustable lens 830 and the second spectroscope 850 photographs the image on eyeground through the pupil of eyes A.
In a kind of possible embodiment, the other parts of the false proof device of the embodiment of the present invention also realize on described glasses G, and, because described position detecting module and described information projection module likely comprise simultaneously: the equipment (the projection submodule of the projection submodule of information projection module, and described position detecting module as described above) with projection function; And adjustable imaging device (the parameter adjustment submodule of information projection module as described above of imaging parameters, and the adjustable imaging submodule of described position detecting module) etc., therefore in a kind of possible embodiment of the embodiment of the present invention, the function of described position detecting module and described projection module is realized by same equipment.
As shown in Figure 8, in a kind of possible embodiment of the embodiment of the present invention, described light emitting source 840 is except can be for the illumination of described position detecting module, can also serve as verification tip information described in the light source auxiliary projection of projection submodule of described information projection module.In a kind of possible embodiment, described light emitting source 840 can project respectively the illumination of a sightless light for described position detecting module simultaneously; And a visible ray, for verification tip information described in auxiliary projection; In the possible embodiment of another kind, described light emitting source 840 can also switch the described invisible light of projection and described visible ray in timesharing ground; In another possible embodiment, described position detecting module can complete the function that illuminates eyeground by described verification tip information.
In a kind of possible embodiment of the embodiment of the present invention, described the first spectroscope 820, the second spectroscope 850 and described focal length adjustable lens 830, except can be used as the parameter adjustment submodule of described information projection module, can also be served as the adjustable imaging submodule of described position detecting module.Here, described focal length adjustable lens 830 is in a kind of possible embodiment, and its focal length can subregionally regulate, and different regions corresponds respectively to described position detecting module and described projection module, and focal length also may be different.Or, the focal length of described focal length adjustable lens 830 is integrally-regulated, but the front end of the photosensitive unit of the minisize pick-up head of described position detecting module 810 (as CCD etc.) is also provided with other optical device, for realizing the imaging parameters auxiliary adjustment of described position detecting module.In addition, in the possible embodiment of another kind, can configure and make the light-emitting area from described light emitting source 840 (being that verification tip information is launched position) identical to the light path of described minisize pick-up head 810 with described eyes to the light path of eyes, when described focal length adjustable lens 830 is adjusted to described minisize pick-up head 810 and receives the most clearly eye fundus image, the just in time clearly imaging on eyeground of the verification tip information that described light emitting source 840 projects.
By above-mentioned, can be found out, the function of the position detecting module of embodiment of the present invention false proof device and information projection module can be realized by a set of equipment, makes that whole system is simple in structure, volume is little, is more easy to carry.
Be illustrated in figure 9 the structural representation of the another kind of embodiment position detecting module 900 of the embodiment of the present invention.As seen from Figure 9, present embodiment is similar to the embodiment shown in Fig. 8, comprise minisize pick-up head 910, the second spectroscope 920, focal length adjustable lens 930, difference is, projection submodule 940 is in the present embodiment the projection submodule 940 of projected spot pattern, and as curved surface light-splitting device, has replaced the first spectroscope in Fig. 8 embodiment by a curved surface spectroscope 950.
The position of pupil while having adopted the respectively corresponding eyes optical axis direction of curved surface spectroscope 950 different here, the image transfer that eyeground is presented gathers submodule to eye fundus image.Camera can photograph the imaging that eyeball all angles are mixed stack like this, but due to only have eyeground part by pupil can be on camera blur-free imaging, other parts can be out of focus and cannot blur-free imagings, thereby can not form severe jamming to the imaging of eyeground part, the feature of eyeground part still can detect.Therefore, compared with the embodiment shown in Fig. 8, present embodiment can well obtain the image on eyeground when eye gaze different directions, makes the position detecting module scope of application of present embodiment wider, and accuracy of detection is higher.
In a kind of possible embodiment of the embodiment of the present invention, the other parts of the false proof device of the embodiment of the present invention also realize on described glasses G.In the present embodiment, described position detecting module and described information projection module also can be multiplexing.With the embodiment shown in Fig. 8 similarly, now described projection submodule 940 can be simultaneously or timesharing switch ground projected spot pattern and described verification tip information; Or described position detecting module detects the verification tip information of projection as described spot pattern.With the embodiment shown in Fig. 8 similarly, in a kind of possible embodiment of the embodiment of the present invention, described the first spectroscope 920, the second spectroscope 950 and described focal length adjustable lens 930, except can be used as the parameter adjustment submodule of described information projection module, can also be served as the adjustable imaging submodule of described position detecting module.
Now, described the second spectroscope 950 is the position of pupil when respectively corresponding eyes optical axis direction is different also, carries out the light path transmission between described information projection module and eyeground.The verification tip information projecting due to described projection submodule 940 can deform through the second spectroscope 950 of described curved surface afterwards, and therefore in the present embodiment, described projection module comprises:
Reversible deformation processing module (not shown in Fig. 9), for described verification tip information is carried out to the reversible deformation processing corresponding with described curved surface light-splitting device, the verification tip information that eyeground is received need to present.
In one embodiment, described projection module is for three-dimensionally projecting described verification tip information to described user's eyeground.
Described verification tip information comprises corresponding with two of described user respectively steric information, described projection module, and two to described user project corresponding verification tip information respectively.
As shown in figure 10, in the situation that needs carry out stereo display, described false proof device 1000 needs respectively the arrange two cover projection module corresponding with two eyes of user, comprising:
The first information projection module corresponding with user's left eye; And
The second information projection module corresponding with user's right eye.
Wherein, the structure that is compounded with position detecting module function of recording in described second structure of information projection module and the embodiment of Figure 10 is similar, also for can realize the structure of position detecting module function and projection module function simultaneously, comprise the minisize pick-up head 1021 identical with described function embodiment illustrated in fig. 10, the second spectroscope 1022, the second focal length adjustable lens 1023, it is not shown in Figure 10 that described in the first spectroscope 1024(, the image of position detecting module is processed submodule), difference is, projection submodule is in the present embodiment the second projection submodule 1025 that can project the verification tip information that right eye is corresponding.It simultaneously can be for detection of the blinkpunkt position of eyes of user, and verification tip information clear be projected to a right eye eyeground corresponding with right eye.
The structure of the structure of described first information projection module and described the second information projection module 1020 is similar, but it does not have minisize pick-up head, and there is no the function of recombination site detection module.As shown in figure 10, described first information projection module comprises:
The first projection submodule 1011, for projecting the verification tip information corresponding with left eye to left eye eyeground;
The first focal length adjustable lens 1013, for the imaging parameters between described the first projection submodule 1011 and eyeground is regulated, make corresponding verification tip information can clearly be presented on left eye eyeground and user can be seen to be presented on the described verification tip information on described image;
The 3rd spectroscope 1012, for carrying out light path transmission between described the first projection submodule 1011 and described the first focal length adjustable lens 1013;
The 4th spectroscope 1014, for carrying out light path transmission between described the first focal length adjustable lens 1013 and described left eye eyeground.
By the present embodiment, make the verification tip information that user sees there is applicable stereo display effect, bring better user to experience.
The structural representation of another false proof device 1100 that Figure 11 provides for the embodiment of the present invention, the specific embodiment of the invention does not limit the specific implementation of false proof device 1100.As shown in figure 11, this false proof device 1100 can comprise:
Processor (processor) 1110, communication interface (Communications Interface) 1120, storer (memory) 1130 and communication bus 1140.Wherein:
Processor 1110, communication interface 1120 and storer 1130 complete mutual communication by communication bus 1140.
Communication interface 1120, for net element communication such as client etc.
Processor 1110, for executive routine 1132, specifically can carry out the correlation step in said method embodiment.
Particularly, program 1132 can comprise program code, and described program code comprises computer-managed instruction.
Processor 1110 may be a central processor CPU, or specific integrated circuit ASIC(Application Specific Integrated Circuit), or be configured to implement one or more integrated circuit of the embodiment of the present invention.
Storer 1130, for depositing program 1132.Storer 1130 may comprise high-speed RAM storer, also may also comprise nonvolatile memory (non-volatile memory), for example at least one magnetic disk memory.Program 1132 specifically can be for making described false proof device 1100 carry out following steps:
Image acquisition step, obtains user and watches attentively the image of object;
Authenticity verification step, verifies in described image whether comprise predetermined anti-counterfeiting characteristic, obtains a verification tip information;
Information projection step, the position eyeground projection to described user by described verification tip information according to described object with respect to described user.
In program 1132, the specific implementation of each step can, referring to description corresponding in the corresponding steps in above-described embodiment and unit, be not repeated herein.Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the equipment of foregoing description and module, can describe with reference to the corresponding process in preceding method embodiment, does not repeat them here.
As shown in figure 12, the embodiment of the present invention also provides a kind of wearable device 1200, comprises the described false proof device 1210 of recording in described embodiment above.
Preferably, described wearable device is glasses.In some embodiments, these glasses can be for example the structure of Fig. 8-Figure 10.
Those of ordinary skills can recognize, unit and the method step of each example of describing in conjunction with embodiment disclosed herein, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can realize described function with distinct methods to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
If described function realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium using the form of SFU software functional unit.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
Above embodiment is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (21)
1. a method for anti-counterfeit, is characterized in that, comprising:
Image acquisition step, obtains user and watches attentively the image of object;
Authenticity verification step, verifies in described image whether comprise predetermined anti-counterfeiting characteristic, obtains a verification tip information;
Information projection step, the position eyeground projection to described user by described verification tip information according to described object with respect to described user.
2. the method for claim 1, is characterized in that, described information projection step comprises:
Projection step, projects described verification tip information;
Parameter adjustment step, adjusts at least one projection imaging parameter of light path between described launching position and described user's eyes, until the image of described verification tip information and described object accordingly blur-free imaging on described user's eyeground.
3. the method for claim 1, is characterized in that, described verification tip information comprises that described image does not meet checking and requires identification information partly.
4. method as claimed in claim 3, is characterized in that, described information projection step comprises:
Described identification information and described image are not met to checking requires the position of part to project accordingly.
5. the method as described in claim 1 or 4, is characterized in that, described position comprises: direction and distance.
6. the method for claim 1, is characterized in that, described authenticity verification step comprises:
Feature obtaining step, the to be verified feature corresponding with described predetermined anti-counterfeiting characteristic according to described Image Acquisition;
Signature verification step, verifies that whether described feature to be verified meets predetermined validation criteria, obtains described verification tip information.
7. the method for claim 1, is characterized in that, described authenticity verification step comprises:
The described image obtaining is sent to outside;
Receive the outside verification tip information of returning.
8. method as claimed in claim 6, is characterized in that, the to be verified feature corresponding with described predetermined anti-counterfeiting characteristic comprises: with the position of described predetermined anti-counterfeiting characteristic and/or characteristics of image corresponding to pattern.
9. the method for claim 1, is characterized in that, described object comprises the image information that an electronic equipment shows.
10. the method for claim 1, is characterized in that, described method also comprises:
Watch object attentively and confirm step, confirm user's the object of watching attentively.
11. methods as claimed in claim 11, is characterized in that, described method also comprises:
Position probing step, detects the position of user's blinkpunkt with respect to user;
Described watch attentively object confirm step, the object of watching attentively with respect to user described in user's location confirmation according to described blinkpunkt.
12. 1 kinds of false proof devices, is characterized in that, comprising:
Image collection module, watches the image of object attentively for obtaining user;
Authenticity verification module, for verifying whether described image comprises predetermined anti-counterfeiting characteristic, obtains a verification tip information;
Information projection module, for the position eyeground projection to described user by described verification tip information with respect to described user according to described object.
13. devices as claimed in claim 13, is characterized in that, described information projection module comprises:
Projection submodule, for projecting described verification tip information;
Parameter adjustment submodule, for adjusting at least one projection imaging parameter of light path between described launching position and described user's eyes, until the image of described verification tip information and described object accordingly blur-free imaging on described user's eyeground.
14. devices of stating as claim 13, is characterized in that, described verification tip information comprises that described image does not meet checking and require the identification information of part;
Described information projection module also for: described identification information and described image are not met to checking and require the position of part to project accordingly.
15. devices as described in claim 13 or 15, is characterized in that, described position comprises: direction and distance.
16. devices as claimed in claim 13, is characterized in that, described authenticity verification module comprises: the first communicator module, for:
The described image obtaining is sent to outside;
Receive the outside verification tip information of returning.
17. devices as claimed in claim 13, is characterized in that, described authenticity verification module comprises:
Feature is obtained submodule, for the to be verified feature corresponding with described predetermined anti-counterfeiting characteristic according to described Image Acquisition;
Signature verification submodule, for verifying that whether described feature to be verified meets predetermined validation criteria, obtains described verification tip information.
18. devices as claimed in claim 18, is characterized in that, described feature is obtained submodule and is further used for:
According to the position of described Image Acquisition and described predetermined anti-counterfeiting characteristic and/or characteristics of image corresponding to pattern as described feature to be verified.
19. devices as claimed in claim 13, is characterized in that, described device also comprises:
Watch object attentively and confirm module, for confirming user's the object of watching attentively.
20. devices as claimed in claim 20, is characterized in that, described device comprises:
Position detecting module, the position for detection of user's blinkpunkt with respect to user;
Described watch attentively object confirm module, for the object of watching attentively with respect to user described in user's location confirmation according to described blinkpunkt.
21. 1 kinds of wearable devices, is characterized in that, comprise the false proof device described in claim 13.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310631779.2A CN103761652A (en) | 2013-11-30 | 2013-11-30 | Anti-fake method and anti-fake device |
| PCT/CN2014/081503 WO2015078182A1 (en) | 2013-11-30 | 2014-07-02 | Anti-counterfeiting for determination of authenticity |
| US14/906,002 US20160155000A1 (en) | 2013-11-30 | 2014-07-02 | Anti-counterfeiting for determination of authenticity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310631779.2A CN103761652A (en) | 2013-11-30 | 2013-11-30 | Anti-fake method and anti-fake device |
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| CN103761652A true CN103761652A (en) | 2014-04-30 |
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| CN201310631779.2A Pending CN103761652A (en) | 2013-11-30 | 2013-11-30 | Anti-fake method and anti-fake device |
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