CN114445759A - Data sharing method and device for remote sampling, electronic equipment and readable storage medium - Google Patents
Data sharing method and device for remote sampling, electronic equipment and readable storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72418—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services
- H04M1/72421—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services with automatic activation of emergency service functions, e.g. upon sensing an alarm
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Abstract
The invention relates to a data sharing method, a system, an electronic device and a readable storage medium for remote sampling, wherein the method comprises the steps of obtaining an image sequence through a shooting device; detecting images in the image sequence through the identification device, and identifying the biological characteristics of the sampling user, the device mark for determining the sampling device and the sampling result of the sampling device in the images; determining, by a determination device, whether an image or a sequence of images satisfies a sampling rule; and when the sampling rule is met, the identity information of the sampling user is associated with the sampling result, and the identity information and the sampling result are transmitted through the transmission device. The invention can be applied to data collection and sharing of remote sampling, can standardize the sampling process, improve the result identification precision and ensure the authenticity of sampling acquisition and data sharing, and is particularly suitable for dealing with emergency events of highly infectious diseases.
Description
Technical Field
The present invention relates to a data sharing method, system, electronic device and readable storage medium, and more particularly, to a data sharing method, system, electronic device and readable storage medium for remote sampling.
Background
When an emergency event of high-contagious diseases occurs, such as infection of a novel coronavirus, people in an infected area can be subjected to biological sampling detection, and infected patients can be found and isolation measures can be taken to play a role in blocking infection. The traditional sampling mode mostly adopts timing fixed-point sampling, for example, people to be sampled are arranged at fixed sampling points for concentrated sampling, data are collected at the sampling points and are collected and uploaded, and the Chinese patent publication document CN112530567A discloses an information management method, an information management device, electronic equipment and a storage medium.
When the mode of timing fixed point sampling is applied to large-scale detection, the problems of high-intensity work of sampling personnel, long-time queuing of the personnel to be sampled, cross infection and the like exist. The existing solution can adopt an independent sampling device which is distributed to the crowd to be sampled, the crowd to be sampled can finish sampling at the residence by oneself, and a sampling result is obtained through a kit (such as Chinese patent publication document CN 112326973A) in the sampling device, but because special equipment cannot be arranged in the residence of the crowd to be sampled, the identity information and the sampling result of the sampling user after sampling are digitalized, collected and summarized, and uploaded can not be finished efficiently; meanwhile, the authenticity of the sampling process of the sampling user cannot be ensured, and the essential confirmation link in disease prevention and control is provided if the sampling specimen corresponds to the sampling user or if the sampling user modifies the sampling result.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a data sharing method, a data sharing system, an electronic device and a readable storage medium for remote sampling, which can be applied to data collection and sharing of remote sampling, can standardize a sampling process, improve result identification precision and ensure the authenticity of sampling acquisition and data sharing, and are particularly suitable for dealing with emergency events of highly infectious diseases.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a data sharing method for remote sampling, comprising:
acquiring an image sequence through a shooting device;
detecting images in the image sequence through the identification device, and identifying the biological characteristics of the sampling user, the device mark for determining the sampling device and the sampling result of the sampling device in the images;
determining, by the determining means, whether the image or the sequence of images satisfies a sampling rule, the sampling rule being determined at least based on whether the identifying means identifies the biological feature in at least one image simultaneously with the device tag;
and when the sampling rule is met, the identity information of the sampling user is associated with the sampling result, and the identity information and the sampling result are transmitted through the transmission device.
Further, the identification mode of the sampling result comprises: and determining an interested area through a positioning mark arranged on the sampling device, and identifying a sampling result in the interested area.
Preferably, the positioning mark is identified by a pattern or a light wavelength or a light intensity or a combination of any two or three of the above, and the region of interest is determined by obtaining the spatial coordinate system information through the positioning mark.
Preferably, a sampling flow is preset; and starting a sampling process when the identification device simultaneously identifies the device mark in at least one image and the sampling result is empty.
Preferably, a sampling flow is preset; and identifying the sampling behavior of a sampling user through an identification device, and if the identification result does not meet the set conditions of the sampling process, judging that the sampling rule is not met.
Preferably, a sampling process is preset, wherein the sampling process comprises a first stage and a second stage; the sampling rule of the first stage at least comprises: the identification device simultaneously identifies the biological features and the device marks in the continuous images, and if the identification result is negative in the preset time, the judgment is that the sampling rule is not met; the sampling rule of the second stage at least comprises: the identification device identifies the device mark in the continuous images, and if the identification result is negative in the preset time, the sampling rule is judged not to be satisfied.
Preferably, based on the sampling rule, when the recognition result is negative, at least one image in the state that the recognition result is negative or at least part of the image sequence in the state that the recognition result is negative is saved; and when the sampling rule is met, associating the saved image or the image sequence with the identity information and the sampling result, and transmitting the saved image or the image sequence with the identity information and the sampling result through a transmission device.
Preferably, based on the sampling rule, when the recognition result is no, warning information including a reason why the recognition result is no is displayed by the display device.
A data sharing system for remote sampling, comprising:
a camera for acquiring a sequence of images;
identifying means for detecting an image in the sequence of images and identifying in the image a biometric characteristic for determining the sampling user, a device flag for determining the sampling means, and a sampling result of the sampling means;
a determining means for determining whether the image or the sequence of images satisfies a sampling rule, the sampling rule being determined based at least on whether the identifying means identifies the biological feature in at least one image simultaneously with the device tag;
display means for displaying information;
the transmitting device is used for transmitting the identity information of the sampling user and the sampling result to the server when the sampling rule is met;
the server is used for storing the correlated identity information and the sampling result;
and the judging device or the server associates the identity information of the sampling user with the sampling result when the sampling rule is met.
An electronic device comprising a processor and a memory, the memory having stored therein program code that is loaded into and executed by the processor to implement operations of the data sharing method for remote sampling as described above.
A readable storage medium having stored therein program code to be loaded and executed by a processor for implementing the operations of the data sharing method for remote sampling as described above.
Compared with the prior art, the invention has the following advantages and effects:
1. the automatic acquisition of remote sampling results, automatic data association and sharing can be realized;
2. the reliability of the sampled data and results can be improved;
3. the accuracy of automatic identification of the sampling result can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of one or more embodiments of a system of the present invention.
FIG. 2 is a diagram illustrating the storage contents of one or more embodiments of the storage device of the present invention.
FIG. 3 is a schematic diagram of one or more embodiments of a test card of the present invention.
FIG. 4 is a flow diagram of one or more embodiments of a method of the present invention.
Fig. 5A and 5B are schematic diagrams illustrating an embodiment of the present invention in determining a region of interest.
Fig. 6A-6C are schematic diagrams of one or more embodiments of a system of the present invention in performing sampling.
FIG. 7 is a diagram of an embodiment of a test card of the present invention.
Fig. 8A to 8N are schematic diagrams illustrating an embodiment of the program according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, which are illustrative of the present invention and are not to be construed as being limited thereto.
As shown in fig. 1, the present technical solution mainly realizes main work by matching a local device 1, a sampling device 2, and a server 3, where the local device 1 includes a shooting device 11, a processing device 12, and a transmitting device 14, where the shooting device 11 is used to acquire scene information and image, the shooting device 11 has a lens, a field of view (FOV) of the lens determines a range of a scene that can be shot, under a normal shooting condition, as long as the scene is in the field of view of the lens and there is no blocking, an object in the scene, such as the sampling device and a sampling user, can be acquired by the lens and imaged, in some embodiments, a wide-angle lens is selected to acquire a larger field of view, or a lens capable of acquiring an invisible light band, such as an IR lens, is selected to meet the needs under specific conditions; the shooting device 11 has a continuous shooting or video recording function, the shooting device 11 can be activated all the time and acquire an image sequence according to a set frame rate within a preset time period, for example, 20 minutes, the images in the image sequence acquired by the shooting device 11 can be identified by the processing device 12, and the processing device 12 determines whether the identified images or image sequences satisfy a sampling rule according to a set sampling rule, as shown in fig. 2, the identification and determination modes related to the sampling process, the sampling rule, and the sampling result are embodied in program codes and stored in a program form by the storage device 13 of the local device 1, wherein the sampling process is set according to the sampling step required to be performed in the sampling operation, the invoked sampling rule, the identification algorithm, the guide information, the program interface, and the like are determined according to the preset sampling process, in some embodiments, the program can be stored in the server 3 or the data storage medium outside the local device 1, such as a CD, flash drive, etc., for loading and execution by the processing means 12 by interfacing with the local device 1; in this embodiment, the processing device 12 is preferably a processor of a mobile intelligent terminal, such as a mobile phone CPU, so as to facilitate a sampling user to obtain a corresponding device, in other embodiments, the identification function and the judgment function may be implemented in different devices, such as a processor of the server 3 to complete the identification function, and a processor of the local device 1 to complete the judgment function. In some embodiments, the local device 1 is provided with a storage device 13, the storage device 13 is used for storing, in addition to the program, user information of the sampling user, a sampling result, and an emphasized image or an emphasized image sequence selected from the image sequence, and the storage device 13 can be read and written by the processing device 12 or the external device can be read and written to the storage device 13 by the transmission device 14. The transmission device 14 in this technical solution may be a contactless data transmission device such as Wi-Fi, NFC (near field communication), Bluetooth (Bluetooth), or an external port of the local device 1, and the external device is connected to the local device 1 in a wired manner, for example, to realize data transmission. In some embodiments, the local device 1 further comprises an interactive device for transmitting information to the sampling user and guiding the sampling user to complete sampling according to the sampling rule, and the interactive device may be a display device, or a voice device, or a combination of the two. In some embodiments, the functions of the local device 1 may be implemented by a mobile intelligent terminal, such as a smart phone, where an imaging element of the mobile intelligent terminal is used as the shooting device 11, a processor of the mobile intelligent terminal is used as the processing device 12, a communication module and an external port of the mobile intelligent terminal are used as the transmitting device 14, further, the smart phone has a data storage function, a screen and a speaker of the smart phone may implement functions of an interaction device, other mobile intelligent terminals, such as a tablet computer and a wearable intelligent device, may also be used as the local device 1 in the present technical solution, besides the mobile intelligent terminal, a computer with a shooting function (such as installing a camera) may also be used as the local device 1, in other embodiments, the local device 1 may be composed of multiple mutually independent devices, such as the shooting device 11 is an external camera, and an image shot by the shooting device 11 is transmitted to the computer to complete recognition, Judgment and transmission work. The server 3 is configured to obtain and store data transmitted by the local device 1, and may access the server 3 through the outside to obtain the data, so as to implement data sharing.
In the technical scheme, the sampling device 2 comprises a detection card 201, a sampling rod, a sampling tube, a packaging shell and the like, wherein the detection card 201 is used for displaying a sampling result, a device mark 211 and a positioning mark 212 are both arranged on the detection card 201, and in other embodiments, the device mark 211 and the positioning mark 212 are arranged on the same component or different components with relatively stable position relation based on the position of the sampling result. As shown in fig. 3, the device mark 211 and the positioning mark 212 are disposed on the surface of the detection card 201, the device mark 211 is a two-dimensional code or a bar code, in other embodiments, the device mark 211 is in the form of a pattern or other carrier, such as a numerical serial number, that can obtain numerical or text information through image recognition; the device mark 211 is used to correspond to the test card 201, and the sampling result is also made to correspond to the device mark 211. The positioning mark 212 is arranged at a preset position of the detection card 201 and is a triangular pattern, the pattern can obtain space coordinate system information and obtain related vector parameters through image identification, so that the surface position of the detection card 201 is determined in an image, the position of the region of interest in the image is determined through the position relation between the origin of coordinates and the region of interest or between the triangular pattern and the region of interest, a sampling result is further identified in the region of interest, external similar image information is eliminated to improve detection precision, the region of interest is determined through the space coordinate system, the region of interest is defined directly, the applicability of the region of interest is wider, and meanwhile, the judgment of the sampling result is not influenced. In the present technical solution, the steps of identifying the positioning mark 212 and obtaining the spatial coordinate system information are: 1. determining edges of the triangular pattern by edge detection; 2. determining the vertex of the triangle through the intersecting edges; 3. obtaining space coordinate system information based on a preset relation between the triangle and the coordinate origin; further, since there may be similar triangular patterns outside, the positioning marks 212 are arranged in two or more triangles or other patterns, which can substantially eliminate the interference of similar image information outside; in other embodiments, the positioning mark 212 may be determined by a pixel/region reflected in the image as a certain or a certain wavelength (wavelength difference) or intensity (intensity difference), for example, the positioning mark 212 is set as three or more red dots or positioning holes not in the same straight line or a material with higher light reflectivity, and the coordinates of the positioning mark 212 may be determined by identifying the pixel/region with the wavelength (wavelength difference) or intensity (intensity difference) corresponding to the red dots or positioning holes in the image, and the positioning mark 212 may be set separately or in any combination of two or three, for example, set as a specific color at the vertex of the triangular pattern. In other embodiments, the region of interest may be determined by identifying the positioning mark, for example, the positioning mark is directly disposed on the region of interest or is used as a vertex of the region of interest, and the region of interest may be determined without spatial coordinate information conversion after the positioning mark is identified. In other embodiments, the positioning mark and the region of interest are not set, and the sampling result is obtained directly through image recognition, which has high requirements on the external environment, that is, in the range of the shot scene, an object (such as a red or purple stripe) close to the sampling result needs to be avoided as much as possible, otherwise, the possibility of obtaining the sampling result incorrectly exists. In some other embodiments, the device marks 211 and the positioning marks 212 may be arranged in the same pattern, wherein predetermined points in the pattern are identified from the image and the pattern carries encoded information, thereby functioning as both the device marks 211 and the positioning marks 212.
Fig. 4 shows the work flow of the present technical solution:
step S1, start and log in. The camera 11 is activated by running the program, for example, stored in the mobile phone in the form of an Application program (Application), and by running the Application program, the lens of the mobile phone is activated and the images in the scene are continuously acquired according to the requirements. In some embodiments, after the program is run, a login verification operation needs to be performed first, in the login verification, identity information of a sampling user is obtained by obtaining biological characteristics, an account number or other associated information, for example, in a face recognition mode, identity code information corresponding to the sampling user is obtained by authorizing the sampling user and accessing a third-party server, or in a verification code mode, a verification code is sent to a mobile phone of the sampling user, the sampling user logs in through the account number and the verification code to obtain mobile phone number information corresponding to the sampling user, in other embodiments, the identity information of the sampling user can be obtained without active login verification of the sampling user, and the identity code information of the sampling user can be obtained in the face recognition mode in the sampling process, or the identity information of the sampling user can be obtained in the mode of directly obtaining the mobile phone number through background authorization and the like. In other embodiments, the image with the biometric feature of the sampled user is used directly as the identity information.
And step S2, verifying by the sampling device. By placing the sampling device 2 provided with the device flag 211 in the shooting scene, the sampling flow is started when the processing device 12 recognizes the device flag 211 from the image. In some embodiments, the device mark 211 is a two-dimensional code, the processing device 12 may determine, through character information carried by the two-dimensional code, the sampling device 2 with the two-dimensional code, such as the detection card 201, the sampling device 2 preset for the program (i.e., the sampling device 2 capable of being applied to the current sampling operation), and may determine the encoded information of the detection card 201, such as the detection card ID of 10001, where the encoded information may be used to determine that the detection card 201 is not replaced in the sampling process, and may also be used to correlate the identity information of the sampling user with the sampling result. In some embodiments, the processing device 12 also needs to verify the sampling result, and only when the sampling result is empty (the detection card is not used), starts step S3.
As shown in fig. 5A and 5B, the identification of the sampling result can improve the accuracy by setting a positioning mark 212, where a triangle a 81 and a triangle B82 are both the positioning mark 212, the triangles a 81 and B82 are set on the surface of the detection card 201, and the positional relationship between the spatial coordinate origin and the vertices of the triangles a 81 and B82 and the positional relationship between the spatial coordinate origin and the region of interest are preset, where the spatial coordinate origin can be set as any point on the surface of the detection card 201 or any point in the space, when the vertices of the triangles a 81 and B82 are identified in the image, the spatial coordinate origin information can be obtained according to the preset positional relationship, and the region of interest is marked in the image area of the detection card 201 where the sampling result may appear, and the test paper of the detection card 201 is provided with a reference area C line and a detection area T line, therefore, two regions of interest are also set, the region of interest a 91 corresponds to a preset region derived from the line C in the image based on the spatial coordinate system, the region of interest B92 corresponds to a preset region derived from the line T in the image based on the spatial coordinate system, the processing device 12 identifies the region of interest a 91 and the region of interest B92, when the detection card 201 is not used, the line C and the line T should not react and change color (generally, red or purple is generated after reaction), at this time, a sampling result is obtained by identifying the color or/and the color difference in the region of interest a 91 and the region of interest B92, and when neither the region of interest a 91 nor the region of interest B92 identifies a reaction result, it is determined that the sampling result is empty.
Step S3, first stage flow. Acquiring a sampling process image of a sampling user, and judging whether a recognition result meets a sampling rule in a first stage of a sampling process through image recognition, wherein the sampling user needs to finish nasopharynx sampling, sample dissolution, dripping extract liquid and other actions in sequence in the first stage, guide information is transmitted to the sampling user through an interaction device in the first stage, the guide information is preset in a program and guides the sampling sequence and the actions needed by the first stage of the sampling user through characters, voice, video and other modes, meanwhile, the processing device 12 recognizes the actions of the sampling user in the image and judges whether the corresponding actions are finished, the corresponding action recognition mode can be realized through AI action recognition or action recognition, namely, the actions of the sampling user are recognized in one or a plurality of continuous images according to an image characteristic value and a human body model or a motion track, when the action of the sampling user conforms to the preset action performed at present, the interaction device transmits the next piece of guiding information to guide the sampling user to complete the next preset action, and when the processing device 12 recognizes that the corresponding action violates the action sequence, the processing device judges that the sampling rule is not satisfied, ends the current sampling process and returns to step S2; in other embodiments, instead of using the motion recognition method, the next piece of guidance information may be directly transmitted after the preset time is reached, and the scene image captured during sampling is stored in the storage device 13, and the stored image may be transmitted to the server 3 together with the identity information and the sampling result when being transmitted, so as to be used as a recheck. In the first phase of the sampling process, in which the processing device 12 needs to identify both the biometric feature and the device identifier 211 from the image, in order to ensure the authenticity of the sampling result, the first phase sampling rule includes: when the identification result is not satisfied for a preset time, which may be set to be a length capable of eliminating unintentional blockage in the sampling process, such as 0.5s, sending a warning message to the sampling user through the interaction device, where the warning message is generated based on a reason that the identification result does not satisfy the sampling rule, for example, when the processing device 12 does not identify the device mark 211 in the image, the warning message includes a prompt that the sampling device is not detected, and at the same time, the storage device 13 stores the image or the image sequence under the condition that the identification result does not satisfy the sampling rule, and the stored image is sent to the server 3 together as a recheck when the identity information and the sampling result are sent; if the preset time is reached after the warning information is sent, for example, 5S, if the recognition result still does not meet the sampling rule, that is, the sampling rule is judged not to be met, the current sampling process is ended, and the step S2 is returned; further, the first-stage sampling rule further includes: if the biometric feature or the device identifier 211 is changed in the first stage, if the two-dimensional code information changes from ID10001 to ID10002, it is determined that the sampling rule is not satisfied, the present sampling process is ended and the process returns to step S2, where the determination rule is still included in the second stage sampling rule; further, the first stage sampling rule further comprises: if the sampling result is recognized in the first stage, the present sampling process is ended and the process returns to step S2. When the sampling user completes all the sampling actions of the first stage and meets the sampling rule of the first stage, step S4 is started.
Step S4, second stage flow. Acquiring a sampling result, judging whether the identification result meets a sampling rule in a second stage of a sampling process or not through image identification, and after a sampling user finishes all sampling actions in a first stage, generating the sampling result and subsequent actions of the sampling user are not associated any more, so that the sampling rule comprises the following steps of: the device mark 211 needs to be recognized in the continuous images, when the recognition result does not meet the preset time, the warning information is transmitted to the sampling user through the interactive device, meanwhile, the images or the image sequences under the condition that the recognition result does not meet the sampling rule are stored in the storage device 13, and the stored images are transmitted to the server 3 together when the identity information and the sampling result are transmitted, so as to be used as recheck; and when the preset time is reached after the warning information is sent, if the recognition result still does not meet the sampling rule, the sampling rule is judged not to be met, the current sampling process is ended, and the step S2 is returned. The identification method of the sampling result is the same as that of step S2, and the sampling result includes three cases: 1. negative, when "yes" is recognized in the region of interest a 91 (C line position) and "no" is recognized in the region of interest B92 (T line position); 2. positive when both of the region of interest a 91 and the region of interest B92 are identified as "yes"; 3. invalid, when the region of interest a 91 is identified as "no", regardless of whether the region of interest B92 is identified as "yes" or "no". Setting preset time, such as 10-15 minutes, in the second stage of the sampling process, if a negative or positive identification result is obtained in the preset time, sending result information to a sampling user through an interactive device, and starting step S5; if the invalid identification result is still obtained at the end of the preset time, the current sampling process is ended and the step S2 is returned, and meanwhile, the sampling device carrying the device flag 211 can no longer pass the verification.
And step S5, associating and sharing data. And associating the identity information, the sampling result and the stored picture obtained in the step, and transmitting the identity information, the sampling result and the stored picture to a server or other external equipment through a transmission device, wherein the associated data can be inquired by inputting the identity information to obtain the sampling result and the stored picture. The above association may be completed in the local device 1 or the server 3, for example, after the local device 1 obtains the sampling result, the local device 1 writes the value of the sampling result into the data containing the identity information, and then transmits the value to the server 3 to update the data of the server 3, and the data stored in the server 3 may be accessed through the outside to implement data sharing. In some other embodiments, the data sharing mode may store the identity information, the sampling result, and the stored picture in a data storage medium, such as a CD, a flash disk, and the like, to share data with the outside.
Fig. 6A and 6B show an embodiment of a device setup when the system performs sampling, where the local device 1 is a mobile phone 101 with a front-facing camera, where a shooting device of the mobile phone 101 is used to obtain an image sequence in a scene, a processor of the mobile phone 101 is used to detect images in the image sequence, and identify a biometric feature for determining a sampling user, a device flag for determining a sampling device, and a sampling result of the sampling device in the images, and also used to determine whether the images or the image sequence satisfy a sampling rule, and associate identity information with the sampling result, and key images or the image sequence, identity information, the sampling result, and a program containing the sampling rule and the sampling flow code obtained in the sampling process are stored in a memory of the mobile phone 101, and a module can transmit the key images or the image sequence, the identity information, the sampling result, and the program containing the sampling rule and the sampling flow code through the mobile phone 101, and a module can perform sampling through Wi-Fi, NFC (near field communication), or the like, Data can also be transmitted in a wireless mode such as Bluetooth, or in a wired mode such as a Micro USB interface, a USB Type C interface, a Lightning interface, etc. connected to the mobile phone 101, and the sampling user can also obtain guidance information, warning information, or result information through a display screen and a speaker of the mobile phone 101. Since it is necessary to keep the mobile phone 101 in the standing state during the sampling process to easily acquire the biometric characteristics of the sampling apparatus 2 and the sampling user in the scene, the first support 401 is configured to support the mobile phone 101 to keep the standing state, the first holder 401 is a packaging box, such as a hexahedral rectangular paper box, when the sampling user takes the sampling device 2 out of the receiving space of the first rack 401, the sampling user separates the detachable strip 411 arranged on two adjacent surfaces (such as the upper surface and the side surface) of the first rack 401 from the surface of the first rack 401, the first rack 401 forms a supporting space for allowing the mobile phone 101 to enter, the width of the detachable strip 411 is adapted to the width of the mobile phone 101, so that after the mobile phone 101 enters the supporting space, the mobile phone 101 is limited by the surface of the first support 401, so that the mobile phone 101 is kept in a vertical state or a standing state with a small inclination angle; in other embodiments, the removable strip 421 is disposed on three adjacent surfaces (e.g., the upper surface and the side surfaces on both sides of the upper surface), as shown in FIG. 6C. Meanwhile, the detection card holder further comprises a second support 501, the second support 501 can be placed in the accommodating space of the first support 401 through folding, the second support 501 comprises a first support part 512, a second support part 513 and a bottom plate 511, the second support part 513 is rotatably connected with the bottom plate, the first support part 512 is rotatably connected with the second support part 513, the free end of the first support part 512 is limited on the bottom plate 511, and the second support part 513 or the first support part 512 is used for placing the detection card 201; in another embodiment, the first bracket is further provided with a detachable hole on the same surface as the detachable strip, the second bracket comprises a fixing portion and a placing portion, the placing portion is disposed above the fixing portion, the fixing portion has a section matched with the detachable hole, if the fixing portion is cylindrical, the detachable hole is a circular hole having the same outer diameter as the cylindrical hole, so that the fixing portion is limited in the detachable hole and the placing portion is in a standing state, and the placing portion is used for accommodating the detection card 201. The second support is arranged in a manner that the first support part, the second support part or the placing part forms an acute angle with the horizontal plane, so that the detection card 201 is in an inclined state after being placed, generally 30-80 degrees, preferably 45-60 degrees, and a sampling user can conveniently finish the action of dripping the extracting solution, and meanwhile, the angle formed by the detection card 201 and the mobile phone 101 enables the front camera to acquire an image with complete device mark 211 information on the detection card 201; in some embodiments, the second supporting portion 513 or the first supporting portion 512 or the placing portion for placing the detection card 201 is further provided with a placing hole, and the placing hole is used for limiting the sampling tube in the sampling device 2, so that the sampling tube is located in the field of view of the front camera in the sampling process. In some other embodiments, a second support is provided to cooperate with the test card, as part of the sampling device 2, and since the placement of the test card on the second support is relatively stable, the device mark and/or the positioning mark are provided on the side of the second support on which the test card is placed.
Fig. 7 shows an embodiment of the sampling device of the present system, in the sampling device 2, a detection card 201 is used for displaying the sampling result, the detection card 201 includes a housing and a test paper, the shape of the housing and the type of the test paper are determined according to the type of remote sampling to be performed, such as the shape of the existing novel coronavirus detection kit, the test paper adopts the existing novel coronavirus detection test paper, the detection principle of the test paper is the existing detection method, such as the immune colloidal gold technology, and the detection result is determined by a C line and a T line. The housing includes a device flag 211, a positioning flag 212, a viewing port 213, and a sample inlet 214, the device flag 211, the positioning flag 212, the viewing port 213, and the sample inlet 214 being on the same side of the housing. The shapes and positions of the observation port 213 and the sample inlet 214 are determined according to the shape and the placement mode of the test paper, the shape of the observation port 213 is preferably a rounded rectangle or a rectangle, the position of the observation port 213 is preferably in the middle of the shell, the shape of the sample inlet 214 is preferably an ellipse or a rounded rectangle, and the position of the sample inlet 214 is preferably one end of the shell. The position of the observation port 213 is opposite to the reaction area of the strip, which is used for observing the detection result. The sample inlet 214 is located opposite to the sample area of the test strip for receiving the sample to be tested. Preferably, two letters "C" and "T" are also printed next to the viewing port 213. The device mark 211 is used to identify the sampling device 2, and is any identification code that can be acquired by the camera 11 and identified by the image, preferably a two-dimensional code or a bar code or a combination of one or more of symbol marks, such as a two-dimensional code attached to the housing alone, a number attached to the housing alone, and a combination of a bar code and a number attached to the housing alone. The position of the identification mark is not limited, and is preferably one end of the housing. The positioning mark 212 is a mark which can be acquired by a shooting device and recognized through an image, and the positions of the detection area and the comparison area can be directly or indirectly determined through the mark, such as a space positioning mark, a color band and the like; the space positioning mark indirectly determines the positions of the detection area and the comparison area, after the space positioning mark is identified, the relative position information of the detection area and the comparison area relative to the space positioning mark can be obtained, the positions of the detection area and the comparison area are further determined, and then the positions are identified, so that whether the detection area and the comparison area react or not can be determined; the color band is a colored area on the film, the film is covered on the test paper, the color band is arranged at the position of or around at least the detection area and the comparison area, and the positions of the detection area and the comparison area are directly determined by identifying the color band. The space positioning mark comprises one or a combination of a pattern mark, a color mark or a light source mark, for example, the pattern mark is attached independently, the color mark is embedded in the pattern mark, and the light source mark is used independently. The graphic mark is a mark recognized by using an edge detection algorithm, and is preferably one or a combination of planar polygon mark or three-dimensional polygon mark or hole mark or column mark, such as two acute-angled triangles or a triangle, a diamond or a triangular boss or a countersunk circular hole; the color mark is one or the combination of a colored point mark and a colored graphic mark, such as a red circle, a green triangle, four green points, three green points or a purple five-pointed star; the light source sign includes both an active light emitting type and a passive light reflecting type, such as an infrared lamp or a light reflecting coating.
Fig. 8A to 8N show a program running interface using the method, where the program is run by a mobile phone, and when the program runs, the following interface is displayed to the sampling user through a display screen of the mobile phone, where the first interface appears as the interface shown in fig. 8A, and the interface guides the sampling user to place the mobile phone of the local device through a guidance message, and if the mobile phone is placed on the first support, the sampling user clicks "start self-test" through a touch screen manner, and then the next step is performed; as shown in fig. 8B, after the sampling user clicks "start self-test" and then the front camera of the mobile phone is activated and the obtained scene image is displayed on the display screen of the mobile phone, the sampling user can clearly know how to place the sampling device and adjust the position of the sampling user so that the front camera can simultaneously identify the biological characteristics and the device marks, in this step, the sampling user places the sampling device with the device marks, which is empty in sampling result, in the field of view of the front camera through the guided text information and image information, and the mobile phone performs the next step after completing the identification; as shown in fig. 8C to 8H, the program interface guides the sampling user to sequentially complete the actions of extracting liquid, extracting nasopharyngeal swab, sampling nasopharyngeal, dissolving and dripping the extract liquid, the sampling user can obtain further guiding information by clicking a question mark button below the display screen, while the sampling user completes the actions, the mobile phone can identify whether the sampling user completes the corresponding actions, if so, the mobile phone automatically enters the next action, and simultaneously, the mobile phone can also determine whether the corresponding identification result meets the sampling rule, as shown in fig. 8I, when the biological characteristics of the sampling user cannot be identified in the image, the display screen can generate corresponding warning information, when the sampling rule is determined not to be met, the display screen can generate "restart", the sampling user can return to the interface when the program starts to run by clicking "restart", and when the images of the actions all meet the sampling rule, the mobile phone will proceed to the next step; as shown in fig. 8J to 8L, the front-facing camera may continue to continuously acquire scene images until the sampling result is identified or the preset time is over, when the sampling result is negative, an interface as shown in fig. 8M may appear, when the sampling result is positive, an interface as shown in fig. 8N may appear, when the result interface appears, the mobile phone may associate the acquired data, such as the stored image, the user information, and the sampling result, and upload the data to the server for sharing, and when the sampling result is not identified or it is determined that the sampling rule is not satisfied, the mobile phone may return to the interface when the program starts to run or directly quit the program.
The technical scheme includes that the electronic device, such as a mobile phone, a tablet computer, a wearable smart device, a computer, and the like, includes a processor and a memory, where the memory stores a program code, and the program code is loaded and executed by the processor to implement the operations of the data sharing method for remote sampling.
The technical scheme includes a readable storage medium, such as a RAM, a ROM, an Erasable Programmable Read Only Memory (EPROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a flash disk or other solid state Memory technology, a CD-ROM, a Digital Versatile Disk (DVD) or other optical storage, a magnetic cassette, a magnetic tape, a magnetic disk storage or other magnetic storage devices, etc., wherein the readable storage medium stores program codes, and the program codes are loaded and executed by a processor to realize the operations of the data sharing method for remote sampling.
In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes of the structure, the characteristics and the principle of the invention which are described in the patent conception of the invention are included in the protection scope of the patent of the invention. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (11)
1. A method of data sharing for remote sampling, the method comprising:
acquiring an image sequence through a shooting device;
detecting images in the image sequence through the identification device, and identifying a biological characteristic used for determining a sampling user, a device mark used for determining the sampling device and a sampling result of the sampling device in the images;
determining, by the determining means, whether the image or the sequence of images satisfies a sampling rule, the sampling rule being determined at least based on whether the identifying means identifies the biological feature in at least one image simultaneously with the device tag;
and when the sampling rule is met, the identity information of the sampling user is associated with the sampling result, and the identity information and the sampling result are transmitted through the transmission device.
2. The data sharing method for remote sampling according to claim 1, wherein the identification manner of the sampling result comprises: and determining an interested area through a positioning mark arranged on the sampling device, and identifying a sampling result in the interested area.
3. The data sharing method for remote sampling according to claim 2, wherein the positioning mark is identified by a pattern or a light wavelength or a light intensity or a combination of any two or three of the above, and the region of interest is determined by the positioning mark obtaining the spatial coordinate system information.
4. The data sharing method for remote sampling according to claim 1, wherein a sampling flow is preset; and starting a sampling process when the identification device simultaneously identifies the device mark in at least one image and the sampling result is empty.
5. The data sharing method for remote sampling according to claim 1, wherein a sampling flow is preset; and identifying the sampling behavior of the sampling user through an identification device, and if the identification result does not meet the set conditions of the sampling process, judging that the sampling rule is not met.
6. The data sharing method for remote sampling according to claim 1, wherein a sampling process is preset, the sampling process comprises a first phase and a second phase;
the sampling rule of the first stage at least comprises: the identification device simultaneously identifies the biological features and the device marks in the continuous images, and if the identification result is negative in the preset time, the judgment is that the sampling rule is not met;
the sampling rule of the second stage at least comprises: the identification device identifies the device mark in the continuous images, and if the identification result is negative in the preset time, the sampling rule is judged not to be satisfied.
7. The data sharing method for remote sampling according to claim 1, wherein, based on the sampling rule, when the recognition result is negative, at least one image or at least part of the sequence of images in the state of negative recognition result is saved; and when the sampling rule is met, associating the saved image or the image sequence with the identity information and the sampling result, and transmitting the saved image or the image sequence with the identity information and the sampling result through a transmission device.
8. The data sharing method for remote sampling according to claim 1, wherein, based on the sampling rule, when the recognition result is no, a warning message including a reason why the recognition result is no is displayed through a display device.
9. A data sharing system for remote sampling, the system comprising:
a camera for acquiring a sequence of images;
identifying means for detecting an image in the sequence of images and identifying in the image a biometric characteristic for determining the sampling user, a device flag for determining the sampling means, and a sampling result of the sampling means;
a determining means for determining whether the image or the sequence of images satisfies a sampling rule, the sampling rule being determined based at least on whether the identifying means identifies the biological feature in at least one image simultaneously with the device tag;
display means for displaying information;
the transmitting device is used for transmitting the identity information of the sampling user and the sampling result to the server when the sampling rule is met;
the server is used for storing the correlated identity information and the sampling result;
and the judging device or the server associates the identity information of the sampling user with the sampling result when the sampling rule is met.
10. An electronic device, comprising a processor and a memory, wherein the memory stores program code, and the program code is loaded and executed by the processor to implement the operations of the data sharing method according to any one of claims 1 to 8.
11. A readable storage medium having stored therein program code to be loaded and executed by a processor for carrying out the operations of the data sharing method according to any one of claims 1 to 8.
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| CN114911987A (en) * | 2022-05-24 | 2022-08-16 | 无锡市第五人民医院 | Autonomous analysis method and system for detection reagent strip |
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