CN104751109A - Method and device for identifying consumable - Google Patents
Method and device for identifying consumable Download PDFInfo
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- CN104751109A CN104751109A CN201310750363.2A CN201310750363A CN104751109A CN 104751109 A CN104751109 A CN 104751109A CN 201310750363 A CN201310750363 A CN 201310750363A CN 104751109 A CN104751109 A CN 104751109A
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Abstract
The invention relates to a method and a device for identifying consumable. The device for identifying the consumable comprises a similarity calculation module used for calculating the similarity between an appointed image region in an image of the consumable to be identified and a template image which includes an appointed object of legal consumable, and a confirming module used for confirming whether the consumable to be identified is legal consumable based on the similarity of the appointed image region. The method and device for identifying the consumable can conveniently identify whether the consumable is legal consumable through low cost.
Description
Technical field
The present invention relates to a kind of method and apparatus for identifying consumptive material.
Background technology
As a rule, test paper or tally and analyser support the use, and read and analyze gathered urine or blood information with analyser, can detect the data providing high-quality and high duplication, thus improve the clinical value of testing result for each.But, there is the company of this kind of consumptive material such as some imitated test paper or tallies etc., but they produce the more cheap consumptive material of the legal consumptive material of low quality cost ratio.When these consumptive materials inferior are commercially sold, not only have impact on the interests of the company producing legal consumptive material, and when analyzing the result that these consumptive materials inferior record, often accuracy is low, poor repeatability.
In order to avoid such problem, the practice that consumptive material gives birth to manufacturer current pastes infrared paster on each consumptive material, and installation infrared inductor on analyser, like this, put into before analyser analyzes at consumptive material, infrared analyzer from infrared paster Received signal strength, to determine whether this consumptive material is legal consumptive material.But, some analyser is difficult to installation infrared inductor, and uses infrared inductor and infrared paster to add cost.
Summary of the invention
Consider the problems referred to above of prior art, embodiments of the invention provide a kind of method and apparatus for identifying consumptive material, and it can identify whether consumptive material is legal consumptive material easily and at lower cost.
According to a kind of method for identifying consumptive material of the embodiment of the present invention, comprising: the similarity calculating the appointment image-region comprised in the image of consumptive material to be identified and the template image comprising the appointed object that legal consumptive material has; And, based on the similarity of described appointment image-region, determine whether described consumptive material to be identified is legal consumptive material.
In one implementation, described appointment image-region is the image-region that may comprise described appointed object in the described image comprising described consumptive material to be identified.
In another kind of implementation, described appointment image-region is the image-region covered apart from described template image when described template image being slipped over the described image comprising described consumptive material to be identified with predetermined steps.
In one implementation, describedly determine to comprise: to check in described appointment image-region that its similarity is greater than and specify the quantity of the image-region of similarity threshold whether to be more than or equal to specified quantity; And, when check result is affirmative, judge that described consumptive material to be identified is legal consumptive material.
In one implementation, described calculating comprises: the multiple sub-similarity calculating described appointment image-region, wherein, each of described multiple sub-similarity represent described appointment image-region multiple characteristics of image one of them on the similarity degree of described template image; And, based on the multiple sub-similarity of described appointment image-region, calculate the similarity of described appointment image-region.
In another kind of implementation, described consumptive material is test paper or tally.
According to a kind of device for identifying consumptive material of embodiments of the invention, comprising: similarity calculation module, for calculating appointment image-region in the image comprising consumptive material to be identified and the similarity of template image comprising appointed object; And determination module, for the similarity based on described appointment image-region, determines whether described consumptive material to be identified is legal consumptive material.
In one implementation, described appointment image-region is the image-region that may comprise described appointed object in the described image comprising described consumptive material to be identified.
In another kind of implementation, described appointment image-region is the image-region covered apart from described template image when described template image being slipped over the described image comprising described consumptive material to be identified with predetermined steps.
In one implementation, described determination module comprises: checking module, specifies the quantity of the image-region of similarity threshold whether to be more than or equal to specified quantity for checking that its similarity in described appointment image-region is greater than; And determination module, for when check result is affirmative, judges that described consumptive material to be identified is legal consumptive material.
In one implementation, described similarity calculation module comprises: the first computing module, for calculating the multiple sub-similarity of described appointment image-region, wherein, each of described multiple sub-similarity represent described appointment image-region multiple characteristics of image one of them on the similarity degree of described template image; And the second computing module, for the multiple sub-similarity based on described appointment image-region, calculates the similarity of described appointment image-region.
In another kind of implementation, described consumptive material is test paper or tally.
As can be seen from description above, by carrying out images match to the image of consumptive material to be identified, the scheme of the embodiment of the present invention determines whether this consumptive material to be identified is legal consumptive material, do not need on consumptive material, to add infrared paster and additional infrared inductor on analyser, therefore, compared with prior art, the scheme of the embodiment of the present invention can easily and identify consumptive material at lower cost.
Accompanying drawing explanation
Further feature of the present invention, feature, advantage and benefit will become more apparent by the detailed description below in conjunction with accompanying drawing.
Fig. 1 shows the process flow diagram of the method for identifying consumptive material according to one embodiment of the invention.
Fig. 2 shows the process flow diagram of the method for identifying consumptive material according to another embodiment of the present invention.
Fig. 3 shows the schematic diagram of the device for identifying consumptive material according to one embodiment of the invention.
Fig. 3 A shows the schematic diagram of the determination module according to one embodiment of the present of invention.
Fig. 3 B shows the schematic diagram of the similarity calculation module according to one embodiment of the present of invention.
Fig. 4 shows the schematic diagram of the equipment for identifying consumptive material according to one embodiment of the invention.
Embodiment
The embodiment of the present invention provides a kind of scheme for identifying consumptive material, by the similarity of the appointment image-region in the image that comprises consumptive material to be identified and template image, its image-region obtaining image of legal consumptive material and comprise the appointed object that legal consumptive material has from comprising captured by legal consumptive material in advance as template image, and determines whether consumptive material to be identified is legal consumptive material.In this identifying schemes, do not need the induction installation adding infrared paster and add infrared inductor or other type on consumptive material on analyser, but utilize images match to determine whether consumptive material is legal consumptive material.Therefore, adopt the scheme of example of the present invention, can easily and determine whether consumptive material to be detected is legal consumptive material with low cost.
Below, each embodiment of the present invention will be described with reference to the accompanying drawings.
Referring now to Fig. 1, it illustrates the process flow diagram of the method for identifying consumptive material according to one embodiment of the invention.Method shown in Fig. 1 can be realized by such equipment with computing power such as such as computing machines.
As shown in Figure 1, at square frame S100, comprise the image-region obtaining the image of legal consumptive material and comprise the appointed object DX that legal consumptive material has, as template image from what take for legal consumptive material in advance.Here, appointed object DX can be the identification pattern of the manufacturer that legal consumptive material carries and/or the mark etc. that arranges especially for identifying consumptive material whether legal.
At square frame S104, comprise from what take for consumptive material to be identified the image-region extracting the image of consumptive material to be identified and may include appointed object DX.Wherein, the image-region extracted may be one or more.
At square frame S108, calculate the image-region and template image multiple characteristics of image separately that extract.Here, characteristics of image can be, but not limited to: gray-scale value, grey scale change value, color, third moment etc.
At square frame S112, calculate the multiple sub-similarity of each image-region Ti in the image-region extracted.Wherein, each of the plurality of sub-similarity represent image-region Ti on one of them characteristics of image Zi of the plurality of characteristics of image with the similarity degree of template image, its such as can but be not limited to and use the difference between the characteristics of image Zi of image-region Ti and the characteristics of image Zi of template image or ratio etc. to represent.
At square frame S116, according to the multiple sub-similarity of each image-region Ti in extracted image-region, calculate the similarity of each image-region Ti in the image-region extracted.Such as, but be not limited to, can the weighted mean value of multiple sub-similarity of computed image region Ti as the similarity of image-region Ti.
At square frame S120, calculate its similarity in the image-region extracted and be greater than the quantity of the image-region of specifying similarity threshold.Here, similarity threshold is specified to preset according to actual conditions.
At square frame S124, judge whether the quantity calculated is more than or equal to specified quantity.Wherein, this specified quantity presets according to actual conditions, its can be more than or equal to 1 integer.
At square frame S128, if the judged result of square frame S124 is affirmative, namely calculated quantity is more than or equal to specified quantity, then judge that consumptive material to be identified is legal consumptive material.
At square frame S132, if the judged result of square frame S124 is negative, namely calculated quantity is less than specified quantity, then judge that consumptive material to be identified is illegal consumptive material.
Below, see Fig. 2, illustrate the method for identifying consumptive material according to another embodiment of the present invention.
Fig. 2 shows the process flow diagram of the method for identifying consumptive material according to another embodiment of the present invention.Method shown in Fig. 2 can be realized by such equipment with computing power such as such as computing machines.
As shown in Figure 2, at square frame S200, comprise the image-region obtaining the image of legal consumptive material and comprise the appointed object DX that legal consumptive material has, as template image from what take for legal consumptive material in advance.Here, appointed object DX can be the identification pattern of the manufacturer that legal consumptive material carries and/or the mark etc. that arranges especially for identifying consumptive material whether legal.
At square frame S204, template image is placed on comprising in the reference position preset of the image of consumptive material to be identified for consumptive material to be identified shooting.
At square frame S208, calculate the multiple characteristics of image comprising the image-region that in the image of consumptive material to be identified, template image is current covered.Here, characteristics of image can be, but not limited to: gray-scale value, grey scale change value, color, third moment etc.
At square frame S212, multiple sub-similarities of the image-region that calculation template image is current covered.Wherein, each of the plurality of sub-similarity represent current the covered image-region of template image on one of them characteristics of image Zi of the plurality of characteristics of image with the similarity degree of template image, its such as can but be not limited to and use the difference between the characteristics of image Zi of current the covered image-region of template image and the characteristics of image Zi of template image or ratio etc. to represent.
At square frame S216, according to the multiple sub-similarity of current the covered image-region of template image, the similarity of the image-region that calculation template image is current covered.Such as, but be not limited to, can the weighted mean value of multiple sub-similarity of current the covered image-region of calculation template image as the similarity of current the covered image-region of template image.
At square frame S220, then flow process returns square frame S208 on the image comprising consumptive material to be identified with predetermined steps apart from forward slip template image once.
Repeating square frame S208-S220, until template image slips over all regions in the image comprising consumptive material to be identified, thus calculating the similarity of multiple image-region DG that template image covers when slipping over the image comprising consumptive material to be identified.
At square frame S224, calculate the quantity that its similarity in the plurality of image-region DG is greater than the image-region of specifying similarity threshold.Here, similarity threshold is specified to preset according to actual conditions.
At square frame S228, judge whether the quantity calculated is more than or equal to specified quantity.This specified quantity presets according to actual conditions, its can be more than or equal to 1 integer.
At square frame S232, if the judged result of square frame S228 is affirmative, namely calculated quantity is more than or equal to specified quantity, then judge that consumptive material to be identified is legal consumptive material.
At square frame S236, if the judged result of square frame S228 is negative, namely calculated quantity is less than specified quantity, then judge that consumptive material to be identified is illegal consumptive material.
Experiment shows, adopt the method disclosed in the embodiment of the present invention, even if the photoenvironment of the consumptive material to be identified when shooting comprises the image of consumptive material to be identified changes (such as, consumptive material to be identified has been at least partially obscured, or consumptive material to be identified irradiates from the light become by white light by ruddiness or other colors), to the identification of consumptive material, also there is good robustness.
Other modification
Although it will be appreciated by those skilled in the art that in embodiment above, multiple characteristics of image in computed image region also utilizes the plurality of characteristics of image to carry out the similarity in computed image region, but the present invention is not limited thereto.In some other embodiment of the present invention, also can only computed image region a characteristics of image and utilize this characteristics of image to carry out the similarity in computed image region.
It will be appreciated by those skilled in the art that and can obtain by various mode the image comprising consumptive material to be identified.Such as, directly taken by the shooting instrument on analyser, or taken by the consumptive material image application program be provided with in mobile phone and then transfer to analyser etc.
It will be appreciated by those skilled in the art that consumptive material of the present invention can be but be not limited to Urine test paper, blood testing strips or tally etc.
Fig. 3 shows the schematic diagram of the device for identifying consumptive material according to one embodiment of the invention.Device shown in Fig. 3 can utilize the mode of software, hardware (such as integrated circuit or DSP etc.) or software and hardware combining to realize, and can install and have in any equipment of computing power.
As shown in Figure 3, for identifying that the device 300 of consumptive material can comprise: similarity calculation module 302 and determination module 304.Wherein, similarity calculation module 302 is for calculating appointment image-region in the image comprising consumptive material to be identified and the similarity of template image comprising the appointed object that legal consumptive material has.Determination module 304, for based on the similarity of specifying image-region, determines whether consumptive material to be identified is legal consumptive material.
Wherein, in a kind of specific implementation, image-region is specified to be the image-region that may comprise appointed object in the described image comprising consumptive material to be identified.
Wherein, in another kind of specific implementation, described appointment image-region is the image-region covered apart from described template image when described template image being slipped over the described image comprising described consumptive material to be identified with predetermined steps.
Wherein, in a kind of specific implementation, as shown in Figure 3A, determination module 304 can comprise checking module 306 and determination module 308.Checking module 306 is for checking that specifying its similarity in image-region to be greater than specifies the quantity of the image-region of similarity threshold whether to be more than or equal to specified quantity.Determination module 308, for when check result is affirmative, judges that consumptive material to be identified is legal consumptive material.
Wherein, in another kind of implementation, as shown in Figure 3 B, similarity calculation module 302 can comprise the first computing module 310 and the second computing module 312.First computing module 310 for calculating the multiple sub-similarity of described appointment image-region, wherein, each of described multiple sub-similarity represent specify image-region multiple characteristics of image one of them on the similarity degree of described template image.Second computing module 312, for based on the multiple sub-similarity of specifying image-region, calculates the similarity of specifying image-region.
Referring now to Fig. 4, it illustrates the schematic diagram of the equipment for identifying consumptive material according to one embodiment of the invention.As shown in Figure 4, for identifying that the equipment 400 of consumptive material can comprise for the storer 410 of stores executable instructions and the processor 420 that is connected with storer 410, wherein, processor 420 can perform the operation performed by the modules of aforementioned means 300.
Embodiments of the invention also provide a kind of machine readable media, stores executable instructions on it, when this executable instruction is performed, make machine realize the operation of processor 420.
Above it will be appreciated by those skilled in the art that, each embodiment disclosed can make various changes and modifications when not departing from invention essence.Therefore, protection scope of the present invention should be limited by appending claims.
Claims (14)
1., for identifying a method for consumptive material, comprising:
Calculate the similarity of the appointment image-region comprised in the image of consumptive material to be identified and the template image comprising the appointed object that legal consumptive material has; And
Based on the similarity of described appointment image-region, determine whether described consumptive material to be identified is legal consumptive material.
2. the method for claim 1, wherein
Described appointment image-region is the image-region that may comprise described appointed object in the described image comprising described consumptive material to be identified.
3. the method for claim 1, wherein
Described appointment image-region is the image-region covered apart from described template image when described template image being slipped over the described image comprising described consumptive material to be identified with predetermined steps.
4. the method for claim 1, wherein describedly determine to comprise:
Checking that its similarity in described appointment image-region is greater than specifies the quantity of the image-region of similarity threshold whether to be more than or equal to specified quantity; And
When check result is affirmative, judge that described consumptive material to be identified is legal consumptive material.
5. the method for claim 1, wherein described calculating comprises:
Calculate the multiple sub-similarity of described appointment image-region, wherein, each of described multiple sub-similarity represent described appointment image-region multiple characteristics of image one of them on the similarity degree of described template image; And
Based on the multiple sub-similarity of described appointment image-region, calculate the similarity of described appointment image-region.
6. the method for claim 1, wherein
Described consumptive material is test paper or tally.
7., for identifying a device for consumptive material, comprising:
Similarity calculation module, for calculating appointment image-region in the image comprising consumptive material to be identified and the similarity of template image comprising the appointed object that legal consumptive material has; And
Determination module, for the similarity based on described appointment image-region, determines whether described consumptive material to be identified is legal consumptive material.
8. device as claimed in claim 7, wherein,
Described appointment image-region is the image-region that may comprise described appointed object in the described image comprising described consumptive material to be identified.
9. device as claimed in claim 7, wherein,
Described appointment image-region is the image-region covered apart from described template image when described template image being slipped over the described image comprising described consumptive material to be identified with predetermined steps.
10. device as claimed in claim 7, wherein, described determination module comprises:
Checking module, specifies the quantity of the image-region of similarity threshold whether to be more than or equal to specified quantity for checking that its similarity in described appointment image-region is greater than; And
Determination module, for when check result is affirmative, judges that described consumptive material to be identified is legal consumptive material.
11. methods as claimed in claim 7, wherein, described similarity calculation module comprises:
First computing module, for calculating the multiple sub-similarity of described appointment image-region, wherein, each of described multiple sub-similarity represent described appointment image-region multiple characteristics of image one of them on the similarity degree of described template image; Further,
Second computing module, for the multiple sub-similarity based on described appointment image-region, calculates the similarity of described appointment image-region.
12. devices as claimed in claim 7, wherein,
Described consumptive material is test paper or tally.
13. 1 kinds, for detecting the equipment of consumptive material mark, comprising:
Storer; And
Processor, for the operation included by any one in enforcement of rights requirement 1-6.
14. 1 kinds of machine readable medias, it stores executable instruction, when this executable instruction is performed, makes the operation included by any one in machine enforcement of rights requirement 1-6.
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| CN201310750363.2A CN104751109A (en) | 2013-12-31 | 2013-12-31 | Method and device for identifying consumable |
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| CN201310750363.2A CN104751109A (en) | 2013-12-31 | 2013-12-31 | Method and device for identifying consumable |
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