CN106056156A - System and method of recognizing and detecting reagent card - Google Patents
System and method of recognizing and detecting reagent card Download PDFInfo
- Publication number
- CN106056156A CN106056156A CN201610377058.7A CN201610377058A CN106056156A CN 106056156 A CN106056156 A CN 106056156A CN 201610377058 A CN201610377058 A CN 201610377058A CN 106056156 A CN106056156 A CN 106056156A
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- China
- Prior art keywords
- reagent card
- line
- information
- card
- quick response
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
Abstract
The invention provides a system for recognizing and detecting a reagent card, which comprises an image acquisition module, a storage module, an image recognition module, a calculation module and a detection module, wherein the image acquisition module is used for acquiring an image containing at least one reagent card and corresponding card slots; the storage module is used for pre-storing reagent card information corresponding to a two-dimensional code, wherein the reagent card information comprises information of positions, relative to a reference mark of the reagent card, of a C line and a T line in a detection area; the image recognition module is used for recognizing the reagent card image, acquiring reference position information of the reference mark in the reagent card image and recognizing the two-dimensional code on the reagent card image to acquire corresponding reagent card information; the calculation module is used for calculating positions of the C line and the T line in the reagent card image according to the reference position information of the reference mark and the position information of the C line and the T line in the reagent card relative to the reference mark; and the detection module is used for acquiring a corresponding image according to the calculated C line and T line positions and then carrying out detection. The system is convenient to operate, and quick detection requirements can be met. The invention also provides a method of recognizing and detecting the reagent card.
Description
Technical field
The present invention relates to a kind of reagent card detection technique, particularly relate to a kind of reagent card recognition detection system and method.
Background technology
In medical science quick diagnosis detects, reagent card is widely used in detecting the content of predetermined substance in testing liquid, its
Utilize particular kind of chromogenic reaction display predetermined substance to reach the purpose of detection.Reagent card detection is usually provided with in region
Control line (C line) and p-wire (T line), during detection, by quantitative/qualitative to carry out to the color developing detection of C line and T line
Analyze.
Owing to the quantitative/qualitative analysis of quick diagnosis detection is also required to detect speed relatively while needs relatively high accurancy and precision
Hurry up, therefore, reagent card detect during the easy to operate and predetermined substance detected in testing liquid of speed and
Concentration becomes the most important.
Summary of the invention
In view of this, the present invention provide a kind of be operable to reagent card recognition detection system that is convenient and that can quickly detect and
Method.
A kind of reagent card recognition detection system, comprising:
One image collection module, it comprises at least one reagent card and the image of corresponding draw-in groove, described reagent for obtaining
Card includes a reference marker, a Quick Response Code and a detection zone；
One memory module, it is for the reagent card information prestoring corresponding with Quick Response Code, and described reagent card information includes detection
In district, C line and T line are relative to the positional information of the reference marker of reagent card；
One picture recognition module, it includes one with reference to recognition unit and a Quick Response Code recognition unit；Described single with reference to identifying
Unit is for identifying described reagent card image and obtaining described reference marker reference position information in institute's identification agent card graphic；
Described Quick Response Code recognition unit is for identifying the 2 D code information on described corresponding reagent card graphic and obtaining corresponding with Quick Response Code
Reagent card information；
One computing module, it is used for according to the described reference marker obtained with reference to recognition unit at the reagent card figure identified
As upper reference position information and the C line of the corresponding reagent card acquisition of information reagent card corresponding with the Quick Response Code of identification and T line
The C line in identified reagent card image and the position of T line is calculated relative to the positional information of the reference marker of reagent card；
And
One detection module, it is for the C line calculated according to computing module and T line position on the reagent card image identified
Corresponding analysis detection is carried out after putting the corresponding view data of acquisition.
A kind of reagent card recognition detection method, wherein, prestores each reagent card information and the 2 D code information of correspondence, institute
State recognition detection method to comprise the following steps:
Obtaining and comprise at least one reagent card and the image of corresponding draw-in groove, described reagent card includes reference marker, Quick Response Code
And detection zone；
Identify described reagent card image and obtain described reference marker reference bit confidence in institute's identification agent card graphic
Breath；
Identify the 2 D code information on corresponding reagent card graphic and the reagent card information corresponding with Quick Response Code；
Reagent card letter according to described reference marker reference position information in the reagent card image identified and correspondence
In the reagent card that breath acquisition is corresponding with the Quick Response Code identified, C line and T line are based on the positional information of described reference marker comes
Calculate C line and the position of T line in the detection zone of described reagent card image；
View data according to the C line calculated and T line position detects.
Compared with prior art, in the reagent card recognition detection system and method that the present invention provides, by the reagent obtained
In card graphic, in the reference position information of reference marker set in advance and reagent card detection zone, C/T line position information obtains reagent
The C line of card graphic and the position of T line, and the C line and the view data of T line according to obtaining is to the testing liquid in detectable card
Detect, easy to operate while also meet the demand of quickly detection.
Accompanying drawing explanation
Fig. 1 is the module diagram of the reagent card recognition detection system that embodiment of the present invention provides.
Fig. 2 is the flow chart of the reagent card recognition detection method that embodiment of the present invention provides.
Main element symbol description
Reagent card recognition detection system 100
Image collection module 10
Memory module 11
Picture recognition module 20
With reference to recognition unit 21
Quick Response Code recognition unit 22
Computing module 40
Detection module 50
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
As it is shown in figure 1, a kind of reagent card recognition detection system 100 provided for embodiment of the present invention, it is for one
Reagent card recognition detection is to carry out quantitatively/qualitative analysis.Described reagent card recognition detection system 100 includes an image collection module
10, memory module 11, picture recognition module 20, computing module 40 and a detection module 50.
Described image collection module 10 is an imaging device such as scanner or photographic head, and it comprises at least one examination for acquisition
Agent card and the image of reagent card place draw-in groove, owing to quantity and the position of draw-in groove are relatively fixed, the quantity of reagent card is according to need certainly
Exercise in order to less than pocket numbers.Typically pre-define the position of draw-in groove, after reagent card scanning imagery in picture
Position be at draw-in groove position.Owing to acquired image includes draw-in groove and the image of reagent card of placement reagent card, for
Avoiding interfering when draw-in groove background color and reagent card color imaging, in present embodiment, described draw-in groove is black, described reagent card
For white.Described reagent card includes a reference marker, a Quick Response Code and a detection zone, typically using the edge line of reagent card as ginseng
Examining labelling, reference marker is the demarcation line of reagent card and draw-in groove in acquired image, it is possible to sets itself according to need.Permissible
It is understood by, each reagent card and the Quick Response Code one_to_one corresponding each arranged, namely each examination corresponding in acquired image
The image of agent card all comprises the 2 D code information of correspondence.
The reagent card information prestoring corresponding with Quick Response Code in described memory module 11, described reagent card information includes each reagent
The type information of card and the Quick Response Code setting direction information corresponding with each reagent card.Wherein, the type information of reagent card wraps
Include C line and the position of T line in the type of reagent card and the detection zone corresponding with reagent card type, i.e. C, T line is relative to reagent
The positional information etc. of reference marker of card, it is to be understood that the type of the quantity of C, T line and position and reagent card in reagent card
Relevant.Quick Response Code position on reagent card can be arranged between reference marker and detection zone according to need, present embodiment
In, the Quick Response Code of test agent card between described reference marker and described detection zone and near the right side of described reagent card,
The setting direction information of Quick Response Code is pre-stored in memory module 11 the most in advance.
Described picture recognition module 20 includes with reference to recognition unit 21 and Quick Response Code recognition unit 22, described single with reference to identifying
Unit 21 is used for identification agent card edge line in the picture to obtain reagent card image and reference marker in reagent card image
Reference position information, it is to be understood that reagent card is generally rectangle, reagent card has four boundary in the picture with draw-in groove
Line, namely the four edges edge line of reagent card, with reference to recognition unit 21 by extracting the positional information of four edge lines to obtain examination
Agent card position in the picture thus obtain the image of reagent card.A wherein limit of reagent card typically can be set according to actual demand
Edge line is as the edge line on reference marker such as reagent card top, and sets up coordinate using reference marker as X-axis or Y-axis in the picture
System obtains reference marker reference position information in institute's identification agent card graphic, in present embodiment, with described reagent card
Two edge lines being vertically connected respectively as X-axis and Y-axis, set up X-Y coordinate；Reference marker (namely a wherein edge
Line) coordinate figure in X-Y coordinate is described reference position information.Described Quick Response Code recognition unit 22 is used for identifying corresponding reagent
Quick Response Code on card graphic also obtains the reagent card information corresponding with Quick Response Code.
Described computing module 40 is according to the reference position of reference marker in the reagent card image identified with reference to recognition unit 21
C line and the T line of reagent card corresponding with the Quick Response Code identified in information and corresponding reagent card information are relative in reagent card
Reference position information in reference marker calculates the C line in reagent card image and the position of T line.
Described detection module 50 is for the C line calculated according to computing module 40 and T line position acquisition phase on reagent card
After the view data answered, the testing liquid in reagent card is carried out required quantitative/qualitative analysis detection.
For improving the intellectuality of reagent card recognition detection system 100 further, described computing module 40 is known according to Quick Response Code
The direction of the Quick Response Code that other unit 22 obtains when scanning Quick Response Code, and corresponding with the reagent card prestored in the direction of Quick Response Code
Quick Response Code direction judges time inconsistent that reagent card direction is placed mistake and such as inverted, consequently facilitating remind during reagent card detects
Correct the placement of reagent card, realize the Weigh sensor of reagent card further.
As in figure 2 it is shown, a kind of reagent card recognition detection method provided for embodiment of the present invention, wherein, each reagent card
Corresponding 2 D code information can prestore, described reagent card recognition detection method comprises the following steps:
S11: obtain comprise at least one reagent card and the image of corresponding draw-in groove, described reagent card include reference marker, two
Dimension code and detection zone；
S12: identify described reagent card image and obtain the reference in the reagent card image identified of the described reference marker
Positional information；
S13: identify the 2 D code information on corresponding reagent card graphic and the reagent card information of correspondence；
S14: according to described reference marker reference position information in the reagent card image identified and according to prestoring
In the reagent card that the acquisition of reagent card type information is corresponding with the Quick Response Code identified, C line and T line are relative to described reference marker
Positional information calculates C line and the position of T line in the detection zone of reagent card image.
S15: carry out corresponding analysis detection according to the view data of C line and T line position on the reagent card image calculated.
In step s 11, utilize image collection module 10 to obtain and comprise at least one reagent card and reagent card place draw-in groove
Image, in present embodiment, described draw-in groove is black, and described reagent card is white, and reference marker is the edge on reagent card top
Line.In present embodiment, using two edge lines being vertically connected of described reagent card as X-axis and Y-axis, set up X-Y and sit
Mark；The reference marker (namely wherein edge line) coordinate figure in X-Y coordinate is described reference position information.
In step s 12, reference recognition unit 21 is utilized to identify the reagent card image in acquired image and at reagent card
The reference position information of reference marker in image.It is understood that with reference to recognition unit 21 for there is limb recognition function i.e.
Can, thus extract reagent card four edges edge line in the picture with identification agent card graphic, namely identification agent card is in the picture
Exact position.
In step s 13, the 2 D code information on Quick Response Code recognition unit 22 identification agent card graphic is utilized and in storage
Module 11 obtains the reagent card type information of correspondence.
In step S14, utilize computing module 40 according to the reference marker position identified with reference to recognition unit 21 and correspondence
Reagent card information in obtain the C line of the reagent card corresponding with Quick Response Code and T line calculates relative to the position of reference marker
Go out the C line in the reagent card image acquired in image collection module 10 and the position of T line.
In step S15, utilize the C line and T line that described detection module 50 calculates according to computing module 40 on reagent card
The corresponding view data of position acquisition after the testing liquid in reagent card carried out required quantitative/qualitative analysis detection.
For improving further the intellectuality of the self-service read method of reagent card, also include between step S13 and step S14 with
Lower step:
According to the Quick Response Code setting direction information in 2 D code information, it is judged that the Quick Response Code direction identified and two prestored
Dimension code direction is the most identical, and determines whether reagent card inverts according to judged result.The most then enter step S14,；If it is not, then
Reagent card need to be reapposed.
In present embodiment, the setting direction of the Quick Response Code on reagent card sets according to need and is pre-stored in reagent card type information
In.
It is understood that step S12 can be exchanged with step S13 order.
In the reagent card recognition detection system and method that the present invention provides, the reagent card image by acquisition presets
The reference position information of reference marker and reagent card detection zone in C/T line position information obtain C line and the T line of reagent card image
Position, and the testing liquid in detectable card detects by the C line and the view data of T line according to obtaining, operation side
Just the demand of quickly detection is also met while.
It is understood that for the person of ordinary skill of the art, can conceive according to the technology of the present invention and do
Go out other various corresponding changes and deformation, and all these change all should belong to the protection model of the claims in the present invention with deformation
Enclose.
Claims (10)
1. a reagent card recognition detection system, comprising:
One image collection module, it comprises at least one reagent card and the image of corresponding draw-in groove, described reagent card bag for obtaining
Include a reference marker, a Quick Response Code and a detection zone；
One memory module, it is for the reagent card information prestoring corresponding with Quick Response Code, and described reagent card information includes C in detection zone
Line and T line are relative to the positional information of the reference marker of reagent card；
One picture recognition module, it includes one with reference to recognition unit and a Quick Response Code recognition unit；Described with reference to recognition unit use
In identifying described reagent card image and obtaining described reference marker reference position information in institute's identification agent card graphic；Described
Quick Response Code recognition unit is for identifying Quick Response Code on described corresponding reagent card graphic and obtaining the reagent card corresponding with Quick Response Code and believe
Breath；
One computing module, it is used for according to the described reference marker obtained with reference to recognition unit at the reagent card image identified
Reference position information and correspondence reagent card information in obtain C line and the T of the reagent card corresponding with the Quick Response Code identified
Line calculates C line and the position of T line in identified reagent card image relative to the positional information of the reference marker of reagent card；
And
One detection module, it is for the C line calculated according to described computing module and T line position on the reagent card image identified
It is analyzed detection after putting the corresponding view data of acquisition.
2. reagent card recognition detection system as claimed in claim 1, it is characterised in that described draw-in groove is black, described reagent
Card is white.
3. reagent card recognition detection system as claimed in claim 1, it is characterised in that described reference marker is at acquired figure
The edge line of described reagent card and place draw-in groove is corresponded in Xiang.
4. reagent card recognition detection system as claimed in claim 3, it is characterised in that vertical with two in described reagent card
The edge line being connected is X-axis and Y-axis, sets up X-Y coordinate；Described reference marker coordinate figure in X-Y coordinate is described
Reference position information.
5. reagent card recognition detection system as claimed in claim 1, it is characterised in that the examination prestored in described memory module
Agent card information also includes Quick Response Code directional information, and described computing module is according on described Quick Response Code recognition unit identification agent card two
The direction of dimension code is the most identical with the Quick Response Code setting direction of the corresponding reagent card prestored determines whether described reagent card inverts.
6. a reagent card recognition detection method, wherein, the 2 D code information of each reagent card information and correspondence can prestore, institute
State recognition detection method to comprise the following steps:
Obtaining and comprise at least one reagent card and the image of corresponding draw-in groove, described reagent card includes reference marker, Quick Response Code and inspection
Survey district；
Identify described reagent card image and obtain described reference marker reference position information in the reagent card image identified；
Identify the 2 D code information on corresponding reagent card graphic and the reagent card information corresponding with Quick Response Code；
According to described reference marker reference position information in institute's identification agent card graphic and the reagent card acquisition of information of correspondence
In the reagent card corresponding with the Quick Response Code identified, C line and T line calculate relative to the positional information of described reference marker
C line and the position of T line in the detection zone of the reagent card image identified；
It is analyzed detection according to the view data of C line and T line position on the reagent card image calculated.
7. reagent card recognition detection method as claimed in claim 6, it is characterised in that described draw-in groove is black, described reagent
Card is white.
8. reagent card recognition detection method as claimed in claim 6, it is characterised in that described reference marker is at acquired figure
The edge line of described reagent card and place draw-in groove is corresponded in Xiang.
9. reagent card recognition detection method as claimed in claim 8, it is characterised in that with the reagent in described reagent card image
Two edge lines being vertically connected of card are X-axis and Y-axis, set up X-Y coordinate；Described reference marker is in X-Y coordinate
Coordinate figure is described reference position information.
10. reagent card recognition detection method as claimed in claim 6, it is characterised in that at step and the meter of scanning Quick Response Code
Calculate in institute's identification agent card graphic further comprising the steps of between C line and the position step of T line: judge the corresponding reagent card of scanning
On Quick Response Code direction the most identical with the Quick Response Code setting direction information prestored and whether determine reagent card according to judged result
Invert.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377058.7A CN106056156A (en) | 2016-05-31 | 2016-05-31 | System and method of recognizing and detecting reagent card |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377058.7A CN106056156A (en) | 2016-05-31 | 2016-05-31 | System and method of recognizing and detecting reagent card |
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| CN110780064A (en) * | 2019-11-15 | 2020-02-11 | 中国农业科学院农业质量标准与检测技术研究所 | Method and system for detecting target component by using mobile terminal |
| CN112444527A (en) * | 2020-11-18 | 2021-03-05 | 天津德祥生物技术有限公司 | Centrifugal sample detection method |
| CN112461857A (en) * | 2020-11-18 | 2021-03-09 | 天津德祥生物技术有限公司 | Sample detection process and result identification method |
| CN112485457A (en) * | 2020-11-18 | 2021-03-12 | 天津德祥生物技术有限公司 | Detection result identification method |
| CN114047168A (en) * | 2021-11-16 | 2022-02-15 | 江苏硕世生物科技股份有限公司 | Optical-based reagent card identification and detection system and method |
| CN114910644A (en) * | 2022-07-11 | 2022-08-16 | 广州蓝勃生物科技有限公司 | Reagent card detection method and device, electronic equipment and storage medium |
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| CN112485457A (en) * | 2020-11-18 | 2021-03-12 | 天津德祥生物技术有限公司 | Detection result identification method |
| CN112461857A (en) * | 2020-11-18 | 2021-03-09 | 天津德祥生物技术有限公司 | Sample detection process and result identification method |
| CN114047168A (en) * | 2021-11-16 | 2022-02-15 | 江苏硕世生物科技股份有限公司 | Optical-based reagent card identification and detection system and method |
| CN114910644A (en) * | 2022-07-11 | 2022-08-16 | 广州蓝勃生物科技有限公司 | Reagent card detection method and device, electronic equipment and storage medium |
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Application publication date: 20161026 |