CN104680166A - Information identification method and information identification device - Google Patents
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- CN104680166A CN104680166A CN201310636454.3A CN201310636454A CN104680166A CN 104680166 A CN104680166 A CN 104680166A CN 201310636454 A CN201310636454 A CN 201310636454A CN 104680166 A CN104680166 A CN 104680166A
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Abstract
The invention provides an information identification method and an information identification device. The information identification method comprises the steps of obtaining an image representing an object of information; extracting image information according to the obtained image; determining the meaning expressed by the extracted image information according to the extracted image information; outputting the meaning expressed by the extracted image information. According to the information identification method provided by the invention, a current information expression form of an electrical product does not need to be identified by naked eyes of a user, specific meaning corresponding to the information expression form of the electrical product can be manually searched, the operation of the user is simplified, the workload of the user is reduced, and the timeliness and the accuracy of information identification are also ensured.
Description
Technical field
The present invention relates to information identification field, relate more specifically to a kind of information identifying method and information recognition device.
Background technology
In some electric products, due to many reasons such as products application environment, product reliability and product costs, do not assemble display screen points out current operating state from electric product to user or malfunction, and use traditional pilot lamp prompting mode (as shown in Figure 1) or seven segment digital tubes prompting mode (as shown in Figure 2).These electric products are often applied in industry spot, can be applied to the field such as Industry Control, relay protection, and also can be applied to some household appliance technical field.
Under pilot lamp prompting mode, indication information can be carried out by the combination of multiple pilot lamp, or also can carry out indication information by the different flicker frequencies of pilot lamp.Under seven segment digital tubes prompting mode, indication information can be carried out by the various combinations of section luminotron of seven included by seven segment digital tubes, and indication information can be carried out by the various combinations of each section of luminotron of multiple seven segment digital tubes.
In practical operation, user needs the luminotron array mode etc. with the naked eye identifying pilot lamp array mode, pilot lamp flicker frequency, seven segment digital tubes, and the operation instructions then with reference to electric product specifically obtain electric product (by pilot lamp or the seven segment digital tubes) information indicated by reality, and this causes the inconvenience of user to a certain extent.If the operation instructions of electric product are accidentally lost or damage, user can not obtain the information indicated by electric product reality especially very soon.
Therefore, a kind of person easy to use is needed to identify the method and apparatus of information indicated by electric product reality.
Summary of the invention
Consider the problems referred to above, propose the present invention.The object of the present invention is to provide a kind of information identifying method and information recognition device, by the mapping relations of the information representation mode and Meaning of Information that prestore electric product, obtain the image that electric product is used to refer to the object of information, and identify the current presentation form of electric product accordingly, then according to the information indicated by the current reality of mapping relations determination electric product prestored.
According to an aspect of the present invention, provide a kind of information identifying method, comprising: the image obtaining the object of characterization information; According to obtained image, extract image information; According to extracted image information, determine the implication expressed by extracted image information; And export the implication expressed by image information extracted.
In one example, before the image of object obtaining characterization information, described information identifying method also comprises: the product type belonging to object determining described characterization information; Determine the type of the object of described characterization information; And according to determined object type, determine the photo or the one section of video that need the object obtaining characterization information.
In one example, described information identifying method also comprises: according to determined product type, the set of comformed information implication, described Meaning of Information set comprises many Meaning of Information items, every bar Meaning of Information item comprises the image information and expressed implication thereof that are associated, wherein, determine that the implication expressed by extracted image information comprises according to extracted image information: in described Meaning of Information set, search the Meaning of Information item comprising the image information identical with extracted image information; And according to the Meaning of Information item found, determine the implication expressed by extracted image information.
According to a further aspect of the invention, provide a kind of information recognition device, comprising: image acquisition component, for obtaining the image of the object of obtained characterization information; Information extracting part, for extracting image information according to obtained image; Implication extracting parts, for determining the implication expressed by extracted image information according to extracted image information; And implication output block, for exporting the implication expressed by extracted image information.
In one example, described information recognition device also comprises: model alternative pack, for determine described characterization information object belonging to product type; Object selection component, for determining the type of the object of described characterization information; And image type determining means, for determining the photo or the one section of video that need the object obtaining characterization information according to determined object type.
In one example, described information recognition device also comprises: implication set determining means, for carrying out the set of comformed information implication according to determined product type, described Meaning of Information set comprises many Meaning of Information items, and every bar Meaning of Information item comprises the image information and expressed implication thereof that are associated; Wherein, described implication extracting parts searches the Meaning of Information item comprising the image information identical with extracted image information in described Meaning of Information set; And determine the implication expressed by extracted image information according to the Meaning of Information item found.
In one example, described characterization information to as if at least one 7 segmentation charactron; Need the photo of the object obtaining described characterization information; And described image information is the luminous position information of at least one 7 segmentation charactron.
In one example, described characterization information to as if at least one LED, the flicker frequency of each LED is variable; Need one section of video of the object obtaining described characterization information; And described image information is the flicker frequency of at least one LED described.
According to information identifying method and the information recognition device of the embodiment of the present invention, by the mapping relations of the information representation mode and Meaning of Information that prestore electric product, obtain electric product be used for characterization information object (such as, pilot lamp array mode and pilot lamp flicker frequency, or the luminotron array mode of seven segment digital tubes) image, and extract image information accordingly to identify the current presentation form of electric product, then according to the information content indicated by the current reality of mapping relations determination electric product prestored, the most backward user exports the information content indicated by the current reality of electric product.Therefore, without the need to the presentation form that user's naked eyes identification electric product is current, and manually search the concrete meaning corresponding to this presentation form of electric product, this simplify the operation of user, reduce the work load of user, and also ensure that promptness and the accuracy of information identification.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Describe according to the embodiment of the present invention by reference to accompanying drawing, the various feature and advantage of the embodiment of the present invention will be more obvious, and also more easily be understood, in the accompanying drawings:
Fig. 1 illustrates the schematic diagram of pilot lamp prompting mode in prior art;
Fig. 2 illustrates the schematic diagram of seven segment digital tubes prompting mode in prior art;
Fig. 3 illustrates the process flow diagram of the information identifying method according to the embodiment of the present invention;
Fig. 4 A illustrates the first supplementary flow chart of the information identifying method according to the embodiment of the present invention;
Fig. 4 B illustrates the second supplementary flow chart of the information identifying method according to the embodiment of the present invention; And
Fig. 5 illustrates the schematic block diagram of the information recognition device according to the embodiment of the present invention.
Specific implementation
Describe in detail with reference to the accompanying drawings according to each embodiment of the present invention.Here it is to be noted that it in the accompanying drawings, identical Reference numeral is given there is identical or similar structures and function ingredient substantially, and the repeated description of will omit about them.
Describe the information identifying method according to the embodiment of the present invention below with reference to Fig. 3, Fig. 4 A and Fig. 4 B, it can identify the information content that the current reality of electric product characterizes.
Figure 3 illustrates the process flow diagram of the information identifying method 300 according to the embodiment of the present invention.
As shown in Figure 3, start in step S301 according to the information identifying method 300 of the embodiment of the present invention.
In step S310, obtain the image of the object of characterization information.Here, the object of characterization information can be pilot lamp arrangement as shown in Figure 1, or seven segment digital tubes arrangement as shown in Figure 2, or can be the arrangement of any type of luminous indicating lamp, as long as it can characterize the current operating state of electric product or malfunction etc.
In addition, the image of the object of independent camera shooting characterization information can be utilized, and then by captured image transmitting in the electronic equipment with image processing function, to perform the information identifying method according to the embodiment of the present invention in this electronic equipment.Such electronic equipment can be smart phone, personal computer, flat computer etc.
Alternatively, the image of the object being integrated in the camera shooting characterization information had on the electronic equipment of image processing function can be utilized, and in this electronic equipment, then perform the information identifying method according to the embodiment of the present invention.Such electronic equipment can be smart phone, portable computer, personal digital assistant, flat computer etc.
In step S320, according to obtained image, extract image information.
When obtained image arranges for the pilot lamp shown in Fig. 1, can extract the information of which pilot lamp or which pilot lamp luminescence from obtained image, such as RUN pilot lamp is bright and I/O pilot lamp is bright, or such as ERR pilot lamp is bright.Alternatively, or additionally, the information of which pilot lamp or the flicker of which pilot lamp and corresponding flicker frequency can also be extracted from obtained image, the such as flicker frequency of ERR pilot lamp flicker, or the flicker frequency of such as RUN pilot lamp flicker, or RUN pilot lamp is bright and the flicker frequency of I/O pilot lamp flicker.
When obtained image arranges for the seven segment digital tubes shown in Fig. 2, the information of any segment numeral pipe luminescence or which segment numeral pipe luminescence can be extracted from obtained image.
Alternatively, described image information can be the standard picture corresponding with obtained image, or can be obtained image itself.Such as, some distortion or fuzzy of likely obtained image, can be corresponding with standard picture by obtained image, such as standard picture can have picture format as shown in Figure 1 or 2, and difference is have some pilot lamp luminescence or the luminescence of some segment numeral pipe in standard picture.
In step S330, according to extracted image information, determine the implication expressed by extracted image information.
Should be appreciated that, suppose to have prestored the information representation mode of electric product and the mapping relations of Meaning of Information in the electronic device in explanation of the present disclosure.This mapping relations can be: what implication which kind of pilot lamp combination represents, what implication is which kind of pilot lamp flicker frequency represent, which segment numeral pipe luminescence represents what implication etc.Alternatively, this mapping relations can also be: which kind of obtains image and represents what implication, and what implication which kind of standard picture represents.
In step S340, export the implication expressed by image information extracted.Implication expressed by the image information extracted can be exported by the display screen of above-mentioned various electronic equipment, or implication expressed by the image information extracted can be exported with voice mode by the loudspeaker of above-mentioned various electronic equipment.
Finally, can terminate in step S399 according to the information identifying method 300 of the embodiment of the present invention.
In addition, in order to make the information identification that may be used for multiple electric product according to the information identifying method 300 of the embodiment of the present invention, except needing to prestore except the information representation mode of described multiple electric product and the mapping relations of Meaning of Information, the information identifying method 300 according to the embodiment of the present invention also to be further expanded.
The information representation mode of some electric products may be had in described multiple electric product identical, but the Meaning of Information of its correspondence is different.For this situation, be necessary first to determine which kind of electric product the electric product of information to be identified is on earth.In addition which kind of electric product, may have the arrangement of identical pilot lamp or the arrangement of identical seven segment digital tubes in described multiple electric product, be only according to obtained image None-identified on earth.In addition, in may only using pilot lamp to arrange in some electric product, different pilot lamp combination characterizes information, but may need in some electric product to use the flicker frequency of pilot lamp to characterize information, be only therefore which kind of electric product on earth according to obtained image also None-identified.
In Fig. 4 A and Fig. 4 B, show the supplementary flow chart of the information identifying method according to the embodiment of the present invention.
As shown in Figure 4 A, in step S410, determine the product type belonging to object of described characterization information.
As previously mentioned, the information representation mode of multiple electric product and the mapping relations of Meaning of Information may have been prestored in electronic equipment, the Meaning of Information that wherein the information representation mode of some electric product of possibility is identical but concrete is different, and pilot lamp arrangement mode or the seven segment digital tubes arrangement mode of some electric product possible are identical.Therefore, the product type determined belonging to the object of described characterization information is first needed.
Then, in step S420, determine the type of the object of described characterization information.
As previously mentioned, the pilot lamp arrangement mode of some product possible is identical, and wherein a part of product uses pilot lamp combination to characterize information, and another part product uses pilot lamp flicker frequency to characterize information.Therefore, the type of the object determining described characterization information is needed further.
Here, the type of the object of characterization information can comprise pilot lamp combination, pilot lamp flicker, seven segment digital tubes combination etc.
Then, in step S430, according to determined object type, determine the photo or the one section of video that need the object obtaining characterization information.
Such as, when the type of the object determining characterization information is pilot lamp combination, the photo of the object of characterization information can only be obtained; When the type of the object determining characterization information is pilot lamp flicker, one section of video of the object of characterization information can be obtained; When the type of the object determining characterization information is seven segment digital tubes combination, the photo of the object of characterization information can be obtained.But the present invention is not limited thereto, those skilled in the art can easily obtain other modification based on the embodiment of the present invention, and these modification also should be included within protection scope of the present invention.
Such as, described characterization information to as if at least one 7 segmentation charactron, need the photo of the object obtaining described characterization information, described image information is the luminous position information of at least one 7 segmentation charactron.
Again such as, described characterization information to as if at least one LED, the flicker frequency of each LED is variable, needs one section of video of the object obtaining described characterization information, and described image information is the flicker frequency of at least one LED described.
In addition, in step S430, also according to determined product type and determined object type, the photo or the one section of video that need the object obtaining characterization information is determined.
After step S430, the operation of step S310 as shown in Figure 3 can be performed, namely obtain the image of the object of characterization information.Particularly, when determining to need acquisition one section of video in step S430, obtain one section of video of the object of characterization information in step S440; Otherwise, the photo of the object of characterization information is obtained in step S450.
Then, in step S460, according to determined product type, the set of comformed information implication, described Meaning of Information set comprises many Meaning of Information items, and every bar Meaning of Information item comprises the image information and expressed implication thereof that are associated.Here, can also according to the combination of determined product type and determined object type, the set of comformed information implication.As previously mentioned, image information here can be pilot lamp combined information, pilot lamp flicker frequency, seven segment digital tubes luminous position information etc., and the image itself that also can be the standard picture corresponding with obtained image or obtain.
This step S460 can perform before the step S330 shown in Fig. 3, such as can after step S410, S420 and before step S430 (namely before step S310) perform, can perform with step S310 simultaneously, can after step S440, S450 (namely after step S310 and before step S320) perform, also can perform after step S320 or with step S320 simultaneously.Should be appreciated that, although describe with the sequential deployment of step S410, S420, S430, S440, S450, S460 in the present invention, should be appreciated that the embodiment of the present invention is not limited to such order.
Such as, when electronic equipment self is not equipped with camera, also after have read video or photo, then can select/determine described product type and described object type, and then comformed information implication set.
Such as, when electronic equipment self is equipped with camera, after manually obtaining video or photo, then can select/determine described product type and described object type, and then comformed information implication set.
In addition, when electronic equipment self is equipped with camera, when step S430 determines the one section of video needing the object obtaining characterization information, shooting duration can also be set, and after setting shooting duration, the step S440 that readvances is with capture video.Particularly, in step S440, as shown in Figure 4 B, in step S4410, the video of the object taking characterization information can be started, judge whether the shooting duration set by arrival in step S4420, and in step S4430, automatically stop capture video when the shooting duration set by arriving.
In the case, in step S330, determine that the implication expressed by extracted image information can comprise according to extracted image information: in described Meaning of Information set, search the Meaning of Information item comprising the image information identical with extracted image information; And according to the Meaning of Information item found, determine the implication expressed by extracted image information.
Such as, the image information that every bar Meaning of Information item comprises is pilot lamp flicker frequency value, wherein the image information of Article 1 Meaning of Information item be the second pilot lamp (ERR) flicker per second in such as Fig. 1 once and the implication of its correspondence is Fisrt fault, the image information of Article 2 Meaning of Information item is this second pilot lamp (ERR) flicker per second twice and the implication of its correspondence is the second fault.In the case, according to the image information (such as, ERR flicker per second twice) of current extraction, can determine that corresponding fault is the second fault.
Next, describe the information recognition device 500 according to the embodiment of the present invention with reference to Fig. 5, it can identify the information content that the current reality of electric product characterizes.
Figure 5 illustrates the schematic block diagram of the information recognition device 500 according to the embodiment of the present invention.
As shown in Figure 5, can comprise according to the information recognition device 500 of the embodiment of the present invention: image acquisition component 510, information extracting part 520, implication extracting parts 530 and implication output block 540.
Image acquisition component 510 is for obtaining the image of the object of obtained characterization information.Here, the object of characterization information can be pilot lamp arrangement as shown in Figure 1, or seven segment digital tubes arrangement as shown in Figure 2, or can be the arrangement of any type of luminous indicating lamp, as long as it can characterize the current operating state of electric product or malfunction etc.In addition, image acquisition component 510 is here different from the image pickup section such as camera.
Information extracting part 520 is for extracting image information according to obtained image.
When obtained image arranges for the pilot lamp shown in Fig. 1, the information of which pilot lamp or which pilot lamp luminescence can be extracted from obtained image; Alternatively, or additionally, the information of which pilot lamp or the flicker of which pilot lamp and corresponding flicker frequency can also be extracted from obtained image.
When obtained image arranges for the seven segment digital tubes shown in Fig. 2, the information of any segment numeral pipe luminescence or which segment numeral pipe luminescence can be extracted from obtained image.
Alternatively, described image information can be the standard picture corresponding with obtained image, or can be obtained image itself.
Implication extracting parts 530 is for determining the implication expressed by extracted image information according to extracted image information.
Suppose to have prestored the information representation mode of electric product and the mapping relations of Meaning of Information in the electronic device.This mapping relations can be: what implication which kind of pilot lamp combination represents, what implication is which kind of pilot lamp flicker frequency represent, which segment numeral pipe luminescence represents what implication etc.Alternatively, this mapping relations can also be: which kind of obtains image and represents what implication, and what implication which kind of standard picture represents.
Implication output block 540 is for exporting the implication expressed by extracted image information.
The information representation mode of multiple electric product and the mapping relations of Meaning of Information may have been prestored in the electronic device, the Meaning of Information that wherein the information representation mode of some electric product of possibility is identical but concrete is different, and pilot lamp arrangement mode or the seven segment digital tubes arrangement mode of some electric product possible are identical.
Therefore, can also comprise according to the information recognition device 500 of the embodiment of the present invention: model alternative pack 550, object selection component 560, image type determining means 570 and implication set determining means 580.
Model alternative pack 550 for determine described characterization information object belonging to product type.
Object selection component 560 is for determining the type of the object of described characterization information.Here, the type of the object of characterization information can comprise pilot lamp combination, pilot lamp flicker, seven segment digital tubes combination etc.
Image type determining means 570 is for determining the photo or the one section of video that need the object obtaining characterization information according to determined object type.
Such as, when the type of the object determining characterization information is pilot lamp combination, the photo of the object of characterization information can only be obtained; When the type of the object determining characterization information is pilot lamp flicker, one section of video of the object of characterization information can be obtained; When the type of the object determining characterization information is seven segment digital tubes combination, the photo of the object of characterization information can be obtained.But the present invention is not limited thereto, those skilled in the art can easily obtain other modification based on the embodiment of the present invention, and these modification also should be included within protection scope of the present invention.
Such as, described characterization information to as if at least one 7 segmentation charactron, need the photo of the object obtaining described characterization information, described image information is the luminous position information of at least one 7 segmentation charactron.
Again such as, described characterization information to as if at least one LED, the flicker frequency of each LED is variable, needs one section of video of the object obtaining described characterization information, and described image information is the flicker frequency of at least one LED described.
In addition, image type determining means 570 according to determined product type and determined both object types, can also determine the photo or the one section of video that need the object obtaining characterization information.
Implication set determining means 580 is for carrying out the set of comformed information implication according to determined product type, and described Meaning of Information set comprises many Meaning of Information items, and every bar Meaning of Information item comprises the image information and expressed implication thereof that are associated.In addition, implication set determining means 580 according to determined product type and determined object type, can also carry out the set of comformed information implication.
Described implication extracting parts 530 can search the Meaning of Information item comprising the image information identical with extracted image information in described Meaning of Information set; And determine the implication expressed by extracted image information according to the Meaning of Information item found.
Can be implemented on various electronic equipment according to the information recognition device 500 of the embodiment of the present invention as above, no matter whether self has picture image taking capability to such electronic equipment.
When realizing, according to the electronic equipment self of the information recognition device 500 of the embodiment of the present invention, there is picture image taking capability, namely, when electronic equipment is equipped with shooting parts (camera, camera), the information recognition device 500 according to the embodiment of the present invention can also comprise timing piece (not shown).
This timing piece, for setting shooting duration, carries out timing to described shooting duration, and controls shoot part part stopping video capture when reaching described shooting duration.
Be equipped with the described electronic equipment of shooting parts can be smart phone or portable dedicated/multi-purpose computer, information recognition device 500 according to the embodiment of the present invention can realize on smart phone, has prestored the information representation mode of at least one electric product and the mapping relations of Meaning of Information in this smart phone or portable dedicated/multi-purpose computer.
According to information identifying method and the information recognition device of the embodiment of the present invention, by the mapping relations of the information representation mode and Meaning of Information that prestore electric product, obtain electric product be used for characterization information object (such as, pilot lamp array mode and pilot lamp flicker frequency, or the luminotron array mode of seven segment digital tubes) image, and extract image information accordingly to identify the current presentation form of electric product, then according to the information content indicated by the current reality of mapping relations determination electric product prestored, the most backward user exports the information content indicated by the current reality of electric product.Therefore, without the need to the presentation form that user's naked eyes identification electric product is current, and manually search the concrete meaning corresponding to this presentation form of electric product, this simplify the operation of user, reduce the work load of user, and also ensure that promptness and the accuracy of information identification.
Display device according to the embodiment of the present invention and Wearable glasses device have been described with reference to the drawings above.It will be understood by a person skilled in the art that, the invention is not restricted to above-described embodiment, can make various amendment when not departing from spirit of the present invention, described amendment also should be included within the scope of the present invention.Scope of the present invention should be limited by claims and equivalent thereof.
Claims (12)
1. an information identifying method, comprising:
Obtain the image of the object of characterization information;
According to obtained image, extract image information;
According to extracted image information, determine the implication expressed by extracted image information; And
Export the implication expressed by image information extracted.
2. information identifying method as claimed in claim 1, before the image of object obtaining characterization information, described information identifying method also comprises:
Determine the product type belonging to object of described characterization information;
Determine the type of the object of described characterization information; And
According to determined object type, determine the photo or the one section of video that need the object obtaining characterization information.
3. information identifying method as claimed in claim 2, wherein, when determining to need acquisition one section of video, described information identifying method also comprises: setting shooting duration,
Wherein, the image obtaining the object of characterization information comprises:
The video of the object of shooting characterization information; And
When arriving described shooting duration, stop video capture.
4. information identifying method as claimed in claim 2, also comprise: according to determined product type, the set of comformed information implication, described Meaning of Information set comprises many Meaning of Information items, and every bar Meaning of Information item comprises the image information and expressed implication thereof that are associated;
Wherein, determine that the implication expressed by extracted image information comprises according to extracted image information:
The Meaning of Information item comprising the image information identical with extracted image information is searched in described Meaning of Information set; And
According to the Meaning of Information item found, determine the implication expressed by extracted image information.
5. the information identifying method as described in claim 1,2 or 4, wherein,
Described characterization information to as if at least one 7 segmentation charactron;
Need the photo of the object obtaining described characterization information; And
Described image information is the luminous position information of at least one 7 segmentation charactron.
6. the information identifying method as described in one of Claims 1-4, wherein,
Described characterization information to as if at least one LED, the flicker frequency of each LED is variable;
Need one section of video of the object obtaining described characterization information; And
Described image information is the flicker frequency of at least one LED described.
7. an information recognition device, comprising:
Image acquisition component, for obtaining the image of the object of captured characterization information;
Information extracting part, for extracting image information according to obtained image;
Implication extracting parts, for determining the implication expressed by extracted image information according to extracted image information; And
Implication output block, for exporting the implication expressed by extracted image information.
8. information recognition device as claimed in claim 7, also comprises:
Model alternative pack, for determine described characterization information object belonging to product type;
Object selection component, for determining the type of the object of described characterization information; And
Image type determining means, for determining the photo or the one section of video that need the object obtaining characterization information according to determined object type.
9. information recognition device as claimed in claim 8, also comprises:
Timing piece, for setting shooting duration, carries out timing to described shooting duration, and controls shoot part part stopping video capture when reaching described shooting duration.
10. information recognition device as claimed in claim 8, also comprise: implication set determining means, for carrying out the set of comformed information implication according to determined product type, described Meaning of Information set comprises many Meaning of Information items, and every bar Meaning of Information item comprises the image information and expressed implication thereof that are associated;
Wherein, described implication extracting parts searches the Meaning of Information item comprising the image information identical with extracted image information in described Meaning of Information set; And determine the implication expressed by extracted image information according to the Meaning of Information item found.
11. information recognition devices as described in claim 7,8 or 10, wherein,
Described characterization information to as if at least one 7 segmentation charactron;
Need the photo of the object obtaining described characterization information; And
Described image information is the luminous position information of at least one 7 segmentation charactron.
12. information recognition devices as described in one of claim 7 to 10, wherein,
Described characterization information to as if at least one LED, the flicker frequency of each LED is variable;
Need one section of video of the object obtaining described characterization information; And
Described image information is the flicker frequency of at least one LED described.
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| CN110020517B (en) * | 2018-01-09 | 2022-05-27 | 佛山市顺德区顺达电脑厂有限公司 | Intelligent test management and control system and method thereof |
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