CN115497229B - Use method and system of unmanned self-help portable mydriasis-free fundus camera - Google Patents
Use method and system of unmanned self-help portable mydriasis-free fundus camera Download PDFInfo
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- CN115497229B CN115497229B CN202211120566.9A CN202211120566A CN115497229B CN 115497229 B CN115497229 B CN 115497229B CN 202211120566 A CN202211120566 A CN 202211120566A CN 115497229 B CN115497229 B CN 115497229B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/0014—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for vending, access and use of specific services not covered anywhere else in G07F17/00
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/14—Arrangements specially adapted for eye photography
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention provides a use method and a system of an unmanned self-help portable mydriasis-free fundus camera, wherein the method comprises the following steps: when a use application of a user is acquired, outputting a preset information acquisition operation prompt; receiving information acquired by a user for information acquisition operation prompt and constructing an initial file; outputting operation prompt information of the preset camera to guide the user to use; receiving fundus images shot by a user during use; verifying the fundus image; when the verification is passed, outputting prompt information of shooting completion and storing fundus images into an initial file. The use method of the unmanned self-help portable mydriasis-free fundus camera provided by the invention realizes the safe and orderly use of the unmanned self-help portable mydriasis-free fundus camera arranged in a working area such as a market, realizes the general screening of fundus images, and is convenient for a user to know the physical health condition.
Description
Technical Field
The invention relates to the technical field of self-service use of portable mydriasis-free fundus cameras, in particular to a self-service unmanned use method and system of the portable mydriasis-free fundus camera.
Background
Capillaries and nerves can be directly observed through the retina, and thus, not only can problems of the eye be detected by observing the retina, but also other conditions can be indirectly found, such as: diabetic complications, hypertension, etc.
The fundus camera is special equipment for shooting retina, and images human retina through an optical system to obtain fundus images; the existing shooting needs to be carried out on places such as hospitals or spectacle stores for shooting fundus images, and general screening cannot be achieved.
Disclosure of Invention
The invention aims at providing a self-help unmanned portable mydriasis-free fundus camera using method, which realizes the safe and orderly use of the self-help unmanned portable mydriasis-free fundus camera arranged in a working area such as a market, realizes the general screening of fundus images and is convenient for a user to know the health condition of a body.
The embodiment of the invention provides a use method and a system of an unmanned self-help portable mydriasis-free fundus camera, wherein the use method comprises the following steps:
when a use application of a user is acquired, outputting a preset information acquisition operation prompt;
receiving information acquired by a user for information acquisition operation prompt and constructing an initial file;
outputting operation prompt information of the preset camera to guide the user to use;
receiving fundus images shot by a user during use;
verifying the fundus image;
when the verification is passed, outputting prompt information of shooting completion and storing fundus images into an initial file.
Preferably, outputting operation prompt information of a preset camera to guide a user to use includes:
outputting first indication information for reminding a user to take out the camera from the placement chamber of the camera;
acquiring first indication information, and then taking a user image acquired by the image acquisition equipment as a first image;
analyzing the first image, and determining whether the user takes the camera out of the placement chamber;
after the user takes the camera out of the placing chamber, outputting second indication information for reminding the user to disinfect and remove dust of the objective lens;
acquiring second indication information and then taking the user image acquired by the image acquisition equipment as a second image;
analyzing the second image to determine whether the user performs disinfection and dust removal on the objective lens;
and outputting third indication information for reminding shooting operation after the user disinfects the objective lens.
Preferably, verifying the fundus image includes:
extracting features of the fundus image to obtain a plurality of feature values;
constructing a verification vector based on the extracted plurality of feature values;
matching the verification vector with a standard vector in a preset verification library;
when a matching coincidence item exists, determining that verification is passed; otherwise, the operation prompt is carried out again.
Preferably, the method for using the self-service unmanned portable mydriasis-free fundus camera further comprises the following steps:
extracting fundus images stored in the initial archive as images to be analyzed;
performing initial analysis on the image to be analyzed based on a preset analysis library to obtain an initial analysis result;
determining whether to perform a secondary analysis based on the initial analysis result;
when secondary analysis is needed, acquiring expert information of the current online expert;
determining a target expert based on expert information and transmitting an image to be analyzed to the target expert;
receiving a secondary analysis result sent by a target expert;
outputting the secondary analysis result to a user;
and when the secondary analysis is not needed, sending the initial analysis result to the user.
Preferably, determining the target expert based on the expert information includes:
searching a history file of the user based on the information of the user in the initial file;
when the historical file exists, analyzing the historical file, and determining whether the historical file is subjected to secondary analysis by an expert; when the secondary analysis is performed via the expert, extracting expert information of the expert performing the secondary analysis as first target information;
determining whether an expert corresponding to the first target information exists in the currently online expert;
when the expert corresponding to the first target information exists, taking the expert corresponding to the first target information as a target expert;
when the information is not present, acquiring the first position information of the user and the second position information in the expert information;
determining a distance value of a position corresponding to each second position information from the position of the first position information distance;
and taking the expert corresponding to the second position information with the minimum distance value as the target expert.
The invention also provides an unmanned self-help portable mydriasis-free fundus camera using system, which comprises:
the first output module is used for outputting a preset information acquisition operation prompt when acquiring a use application of a user;
the construction module is used for receiving information acquired by a user for information acquisition operation prompt and constructing an initial file;
the second output module is used for outputting operation prompt information used by a preset camera to guide the user to use;
a receiving module for receiving fundus images photographed by a user when in use;
the verification module is used for verifying the fundus image;
and the archiving module is used for outputting prompt information of shooting completion and storing fundus images into the initial archive when the verification is passed.
Preferably, the second output module outputs preset operation prompt information for the camera to guide the user to use, and the following operations are executed:
outputting first indication information for reminding a user to take out the camera from the placement chamber of the camera;
acquiring first indication information, and then taking a user image acquired by the image acquisition equipment as a first image;
analyzing the first image, and determining whether the user takes the camera out of the placement chamber;
after the user takes the camera out of the placing chamber, outputting second indication information for reminding the user to disinfect and remove dust of the objective lens;
acquiring second indication information and then taking the user image acquired by the image acquisition equipment as a second image;
analyzing the second image to determine whether the user performs disinfection and dust removal on the objective lens;
and outputting third indication information for reminding shooting operation after the user disinfects the objective lens.
Preferably, the verification module verifies the fundus image, and performs the following operations:
extracting features of the fundus image to obtain a plurality of feature values;
constructing a verification vector based on the extracted plurality of feature values;
matching the verification vector with a standard vector in a preset verification library;
when a matching coincidence item exists, determining that verification is passed; otherwise, the operation prompt is carried out again.
Preferably, the use system of the self-service portable mydriatic-free fundus camera comprises: the analysis module is used for analyzing the data of the sample,
the analysis module performs the following operations:
extracting fundus images stored in the initial archive as images to be analyzed;
performing initial analysis on the image to be analyzed based on a preset analysis library to obtain an initial analysis result;
determining whether to perform a secondary analysis based on the initial analysis result;
when secondary analysis is needed, acquiring expert information of the current online expert;
determining a target expert based on expert information and transmitting an image to be analyzed to the target expert;
receiving a secondary analysis result sent by a target expert;
outputting the secondary analysis result to a user;
and when the secondary analysis is not needed, sending the initial analysis result to the user.
Preferably, the analysis module determines the target expert based on the expert information, and performs the following operations:
searching a history file of the user based on the information of the user in the initial file;
when the historical file exists, analyzing the historical file, and determining whether the historical file is subjected to secondary analysis by an expert; when the secondary analysis is performed via the expert, extracting expert information of the expert performing the secondary analysis as first target information;
determining whether an expert corresponding to the first target information exists in the currently online expert;
when the expert corresponding to the first target information exists, taking the expert corresponding to the first target information as a target expert;
when the information is not present, acquiring the first position information of the user and the second position information in the expert information;
determining a distance value of a position corresponding to each second position information from the position of the first position information distance;
and taking the expert corresponding to the second position information with the minimum distance value as the target expert.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic diagram of a method for using an unmanned self-help portable mydriasis-free fundus camera according to an embodiment of the invention;
fig. 2 is a schematic diagram of a use system of an unmanned self-help portable mydriasis-free fundus camera according to an embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The embodiment of the invention provides a use method of an unmanned self-help portable mydriasis-free fundus camera, which is shown in fig. 1 and comprises the following steps:
step S1: when a use application of a user is acquired, outputting a preset information acquisition operation prompt;
step S2: receiving information acquired by a user for information acquisition operation prompt and constructing an initial file;
step S3: outputting operation prompt information of the preset camera to guide the user to use;
step S4: receiving fundus images shot by a user during use;
step S5: verifying the fundus image;
step S6: when the verification is passed, outputting prompt information of shooting completion and storing fundus images into an initial file.
The working principle and the beneficial effects of the technical scheme are as follows:
when a user applies for use, information operation is carried out, the acquired information is constructed into an initial file, the user can conveniently check fundus images shot by a fundus camera, and when the user does not use the fundus camera by himself, the user can distinguish and trace fundus images shot by the operation of each user in a file establishment mode; when the unmanned self-service portable mydriasis-free fundus camera is specifically arranged, a mode of arranging a small compartment on a market is adopted; a table is arranged in the small compartment, a placing chamber is arranged on the table, and a camera is placed in the placing chamber; a display screen is arranged beside the desk; the user sends a use application to the system by clicking a use application button on the display screen; when the user clicks the application button, displaying an information acquisition interface or an information acquisition two-dimensional code on the plane; the user fills in user information on an information acquisition list on an information acquisition interface, or scans information acquisition two-dimensional codes through a third party platform to authorize, and obtains information of the user on the third party platform as information of initial file construction; after the file is established, outputting an operation prompt, and operating by a user according to the operation prompt, collecting fundus images, verifying the collected fundus images, and storing the verified images to form an initial file; the verification of the fundus image is mainly performed by verifying the integrity of the fundus image and whether the fundus image meets analysis requirements.
In one embodiment, outputting operation prompt information of a preset camera to guide the user to use includes:
outputting first indication information for reminding a user to take out the camera from the placement chamber of the camera;
acquiring first indication information, and then taking a user image acquired by the image acquisition equipment as a first image;
analyzing the first image, and determining whether the user takes the camera out of the placement chamber;
after the user takes the camera out of the placing chamber, outputting second indication information for reminding the user to disinfect and remove dust of the objective lens;
acquiring second indication information and then taking the user image acquired by the image acquisition equipment as a second image;
analyzing the second image to determine whether the user performs disinfection and dust removal on the objective lens;
and outputting third indication information for reminding shooting operation after the user disinfects the objective lens.
The working principle and the beneficial effects of the technical scheme are as follows:
before shooting operation, reminding a user to take out the camera from the placement chamber through first indication information, and reminding the user to disinfect and dust-remove the objective lens through second indication information; the camera after disinfection and dust removal can carry out shooting operation, and a friend of a user can carry out shooting operation during specific operation; wherein the first indication information includes: voice information of "please take out camera from the placing room", etc.; the second indication information comprises voice information and the like of 'please use the disinfection and dust removal articles on the table to disinfect and remove dust from the lens', and the third indication information comprises: voice prompt information of specific operation; for example: please sit the photographed person on a chair; please take the camera by the photographer, the camera is placed in front of the eyes of the photographed person, the camera is about 30 degrees away from the horizontal scale, and the camera lens is 5cm to 20cm away from the eyes of the photographed person; the focal length is adjusted, so that the pupils of the tested person are clear; the camera is slowly moved toward the eyes of the person to be tested until a clear fundus image is displayed on the screen. Analyzing the first image, and determining whether the user takes the camera out of the placement chamber; the method comprises the following steps: performing image recognition on the first image to recognize whether an object on the hand of the user is a camera or not; when identified as a camera, it is determined that the user takes out the camera in the placement room. Analyzing the second image to determine whether the user performs disinfection and dust removal on the objective lens, specifically: carrying out image recognition on the second image to recognize articles on the hands of the user; when the user is identified in turn to take a disinfecting item (e.g., alcohol) and a wiping item (e.g., a dedicated wipe), it is determined that the user is disinfecting. In addition, when shooting operation is carried out, whether a user sits on a chair or not can be determined through the image acquired by the image acquisition equipment; when the user sits on the chair, the next instruction is carried out, intelligent instruction is realized through the cooperation of the instruction and the image recognition, and self-service operation of the user is realized.
In one embodiment, verifying the fundus image includes:
extracting features of the fundus image to obtain a plurality of feature values;
constructing a verification vector based on the extracted plurality of feature values;
matching the verification vector with a standard vector in a preset verification library;
when a matching coincidence item exists, determining that verification is passed; otherwise, the operation prompt is carried out again.
The working principle and the beneficial effects of the technical scheme are as follows:
verifying the fundus image to determine whether the fundus image is successfully shot; prompting to re-shoot the operation when the operation is unsuccessful; the verification operation is mainly to match the fundus image with a standard image in a verification library; when the matched standard image exists, determining that the verification is passed; how to determine whether the images match; extracting characteristic values of the images to construct verification vectors, and then matching the verification vectors with standard vectors after extracting standard image characteristics in a preset verification library; when the standard vector is matched with the verification vector, the fundus image is matched with the standard image; the matching of the standard vector and the verification vector can be realized by calculating the similarity of the standard vector and the verification vector; the similarity calculation can adopt a cosine similarity calculation method; the standard images in the verification library are qualified images which are successfully shot.
In one embodiment, the self-service portable mydriasis-free fundus camera using method further comprises the following steps:
extracting fundus images stored in the initial archive as images to be analyzed;
performing initial analysis on the image to be analyzed based on a preset analysis library to obtain an initial analysis result;
determining whether to perform a secondary analysis based on the initial analysis result;
when secondary analysis is needed, acquiring expert information of the current online expert;
determining a target expert based on expert information and transmitting an image to be analyzed to the target expert;
receiving a secondary analysis result sent by a target expert;
outputting the secondary analysis result to a user;
and when the secondary analysis is not needed, sending the initial analysis result to the user.
The working principle and the beneficial effects of the technical scheme are as follows:
the analysis of the fundus image of the user is realized through automatic primary analysis of an analysis library and secondary analysis of an expert; firstly, the initial analysis simply analyzes the image to be analyzed based on an analysis library; wherein, the images without symptoms and other obvious symptoms are mainly recorded; extracting initial analysis results corresponding to the analysis images by calculating the similarity between the images to be analyzed and the analysis images in the analysis library, and extracting the initial analysis results corresponding to the analysis images when the similarity is greater than a preset threshold (for example, 0.97); when the maximum value of the similarity between the image to be analyzed and each analysis image in the analysis library is smaller than a threshold value, secondary analysis is needed; the image to be analyzed is sent to an online expert for analysis; receiving an analysis result of an expert; the analysis mode of combining an analysis library with an expert is realized, and effective analysis of fundus images of a user is ensured; in addition, the analysis result is sent to the user, and the pushing path of the user can be inquired through the information of the initial file; for example, the analysis result can be pushed by short messages, mails and the like.
In one embodiment, determining the target expert based on expert information includes:
searching a history file of the user based on the information of the user in the initial file;
when the historical file exists, analyzing the historical file, and determining whether the historical file is subjected to secondary analysis by an expert; when the secondary analysis is performed via the expert, extracting expert information of the expert performing the secondary analysis as first target information;
determining whether an expert corresponding to the first target information exists in the currently online expert;
when the expert corresponding to the first target information exists, taking the expert corresponding to the first target information as a target expert;
when the information is not present, acquiring the first position information of the user and the second position information in the expert information;
determining a distance value of a position corresponding to each second position information from the position of the first position information distance;
and taking the expert corresponding to the second position information with the minimum distance value as the target expert.
The working principle and the beneficial effects of the technical scheme are as follows:
determining a target expert through historical archival analysis and distance analysis; after the problem occurs, the user can conduct facial diagnosis with the target expert, and follow-up treatment is convenient; the first position information can be a set position of a camera, or can be a resident location (address) filled in the information for establishing the initial file; when the resident places are not filled in the initial file, taking the setting positions of the cameras as the reference; when filling, the filling resident location is subject to. The second location information is a sitting location in expert information, such as XX hospitals.
In one embodiment, a circular groove is arranged in the placing chamber of the table; the circular groove is used for placing an optical lens of a camera; when the user uses the camera, the optical lens is inserted into the circular groove; after the limit switch on the side wall of the circular groove detects that the optical lens is inserted, the optical lens is returned through a display screen on the table; the limit switch is matched with a limit groove on the side surface of the optical lens to realize limit; unauthorized use of the camera and confirmation after use of the camera can be avoided; in addition, an alcohol injection port is arranged at the bottom of the circular groove and is used for injecting alcohol onto an objective lens of the optical lens to remove dust; the dust can fall to the bottom of the circular groove due to the injection from bottom to top; when a user takes out the camera for use, no residue exists on the surface of the objective lens due to volatilization of alcohol, so that automatic disinfection and dust removal are realized, and the use of the camera by the user is facilitated; in this case, the user does not need to carry out a prompt for disinfection and dust removal after taking out the camera from the placement room, and can directly enter a prompt for prompting third indication information of shooting operation; further, the placing chamber is provided with an electric control switch door; only after constructing initial archives, take you to open the door just, the user just can use, has improved the security of using to effectively place the dust and fall on the objective when not using, influence the shooting.
The invention also provides a self-service portable mydriasis-free fundus camera using system, as shown in fig. 2, comprising:
the first output module 1 is used for outputting a preset information acquisition operation prompt when a use application of a user is acquired;
the construction module 2 is used for receiving information acquired by a user for information acquisition operation prompt and constructing an initial file;
the second output module 3 is used for outputting operation prompt information used by a preset camera to guide the user to use;
a receiving module 4 for receiving fundus images photographed by a user at the time of use;
a verification module 5 for verifying the fundus image;
and the archiving module 6 is used for outputting prompt information of shooting completion and storing fundus images into the initial archive when the verification is passed.
In one embodiment, the second output module 3 outputs operation prompt information of the preset camera usage to guide the user to use, and performs the following operations:
outputting first indication information for reminding a user to take out the camera from the placement chamber of the camera;
acquiring first indication information, and then taking a user image acquired by the image acquisition equipment as a first image;
analyzing the first image, and determining whether the user takes the camera out of the placement chamber;
after the user takes the camera out of the placing chamber, outputting second indication information for reminding the user to disinfect and remove dust of the objective lens;
acquiring second indication information and then taking the user image acquired by the image acquisition equipment as a second image;
analyzing the second image to determine whether the user performs disinfection and dust removal on the objective lens;
and outputting third indication information for reminding shooting operation after the user disinfects the objective lens.
In one embodiment, the verification module 5 verifies the bottom-of-eye image by:
extracting features of the fundus image to obtain a plurality of feature values;
constructing a verification vector based on the extracted plurality of feature values;
matching the verification vector with a standard vector in a preset verification library;
when a matching coincidence item exists, determining that verification is passed; otherwise, the operation prompt is carried out again.
In one embodiment, the self-service portable mydriasis-free fundus camera use system further comprises: the analysis module is used for analyzing the data of the sample,
the analysis module performs the following operations:
extracting fundus images stored in the initial archive as images to be analyzed;
performing initial analysis on the image to be analyzed based on a preset analysis library to obtain an initial analysis result;
determining whether to perform a secondary analysis based on the initial analysis result;
when secondary analysis is needed, acquiring expert information of the current online expert;
determining a target expert based on expert information and transmitting an image to be analyzed to the target expert;
receiving a secondary analysis result sent by a target expert;
outputting the secondary analysis result to a user;
and when the secondary analysis is not needed, sending the initial analysis result to the user.
In one embodiment, the analysis module determines a target expert based on expert information, performing the following:
searching a history file of the user based on the information of the user in the initial file;
when the historical file exists, analyzing the historical file, and determining whether the historical file is subjected to secondary analysis by an expert; when the secondary analysis is performed via the expert, extracting expert information of the expert performing the secondary analysis as first target information;
determining whether an expert corresponding to the first target information exists in the currently online expert;
when the expert corresponding to the first target information exists, taking the expert corresponding to the first target information as a target expert;
when the information is not present, acquiring the first position information of the user and the second position information in the expert information;
determining a distance value of a position corresponding to each second position information from the position of the first position information distance;
and taking the expert corresponding to the second position information with the minimum distance value as the target expert.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (4)
1. The use method of the unmanned self-service portable mydriasis-free fundus camera is characterized by comprising the following steps of:
when a use application of a user is acquired, outputting a preset information acquisition operation prompt;
receiving information acquired by a user for the information acquisition operation prompt and constructing an initial file;
outputting operation prompt information of the preset camera to guide the user to use;
receiving fundus images shot by a user during use;
verifying the fundus image;
when the verification is passed, outputting prompt information of shooting completion and storing the fundus image into the initial file;
extracting the fundus image stored in the initial archive as an image to be analyzed;
performing initial analysis on the image to be analyzed based on a preset analysis library to obtain an initial analysis result;
determining whether to perform secondary analysis based on the initial analysis result;
when secondary analysis is needed, acquiring expert information of the current online expert;
determining a target expert based on the expert information and transmitting the image to be analyzed to the target expert;
receiving a secondary analysis result sent by the target expert;
outputting the secondary analysis result to the user;
when secondary analysis is not needed, sending the initial analysis result to the user;
wherein the determining a target expert based on the expert information includes:
searching a history file of the user based on the information of the user in the initial file;
when the historical file exists, analyzing the historical file, and determining whether the historical file is subjected to secondary analysis by an expert; when the secondary analysis is performed via the expert, extracting expert information of the expert performing the secondary analysis as first target information;
determining whether an expert corresponding to the first target information exists in the currently online expert;
when the first target information exists, taking an expert corresponding to the first target information as the target expert;
when the information is not present, acquiring the first position information of the user and the second position information in the expert information;
determining a distance value of a position corresponding to each piece of second position information from the position of the first position information distance;
taking an expert corresponding to the second position information with the minimum distance value as the target expert;
the outputting the operation prompt information of the preset camera to guide the user to use comprises the following steps:
outputting first indication information for reminding a user to take out the camera from the placement chamber of the camera;
acquiring the first indication information and then taking the user image acquired by the image acquisition equipment as a first image;
analyzing the first image, and determining whether a user takes out the camera from the placing chamber;
after the user takes the camera out of the placing chamber, outputting second indication information for reminding the user to disinfect and dust the objective lens;
acquiring the second indication information and then taking the user image acquired by the image acquisition equipment as a second image;
analyzing the second image to determine whether the user performs disinfection and dust removal on the objective lens;
and outputting third indication information for reminding shooting operation after the user disinfects the objective lens.
2. A method of using an unmanned self-service portable mydriasis-free fundus camera according to claim 1, wherein said validating said fundus image comprises:
extracting features of the fundus image to obtain a plurality of feature values;
constructing a verification vector based on the extracted plurality of characteristic values;
matching the verification vector with a standard vector in a preset verification library;
when a matching coincidence item exists, determining that verification is passed; otherwise, the operation prompt is carried out again.
3. An unmanned self-service portable mydriasis-free fundus camera use system, comprising:
the first output module is used for outputting a preset information acquisition operation prompt when acquiring a use application of a user;
the construction module is used for receiving information acquired by a user for the information acquisition operation prompt and constructing an initial file;
the second output module is used for outputting operation prompt information used by a preset camera to guide the user to use;
a receiving module for receiving fundus images photographed by a user when in use;
the verification module is used for verifying the fundus image;
the archiving module is used for outputting prompt information of shooting completion and storing the fundus image into the initial archive when verification is passed;
the analysis module performs the following operations:
extracting the fundus image stored in the initial archive as an image to be analyzed;
performing initial analysis on the image to be analyzed based on a preset analysis library to obtain an initial analysis result;
determining whether to perform secondary analysis based on the initial analysis result;
when secondary analysis is needed, acquiring expert information of the current online expert;
determining a target expert based on the expert information and transmitting the image to be analyzed to the target expert;
receiving a secondary analysis result sent by the target expert;
outputting the secondary analysis result to the user;
when secondary analysis is not needed, sending the initial analysis result to the user;
the analysis module determines a target expert based on the expert information, and performs the following operations:
searching a history file of the user based on the information of the user in the initial file;
when the historical file exists, analyzing the historical file, and determining whether the historical file is subjected to secondary analysis by an expert; when the secondary analysis is performed via the expert, extracting expert information of the expert performing the secondary analysis as first target information;
determining whether an expert corresponding to the first target information exists in the currently online expert;
when the first target information exists, taking an expert corresponding to the first target information as the target expert;
when the information is not present, acquiring the first position information of the user and the second position information in the expert information;
determining a distance value of a position corresponding to each piece of second position information from the position of the first position information distance;
taking an expert corresponding to the second position information with the minimum distance value as the target expert;
the second output module outputs preset operation prompt information for the camera to guide the user to use, and the following operation is executed:
outputting first indication information for reminding a user to take out the camera from the placement chamber of the camera;
acquiring the first indication information and then taking the user image acquired by the image acquisition equipment as a first image;
analyzing the first image, and determining whether a user takes out the camera from the placing chamber;
after the user takes the camera out of the placing chamber, outputting second indication information for reminding the user to disinfect and dust the objective lens;
acquiring the second indication information and then taking the user image acquired by the image acquisition equipment as a second image;
analyzing the second image to determine whether the user performs disinfection and dust removal on the objective lens;
and outputting third indication information for reminding shooting operation after the user disinfects the objective lens.
4. A use system of an unmanned self-help portable mydriatic-free fundus camera according to claim 3, wherein the verification module verifies the fundus image by:
extracting features of the fundus image to obtain a plurality of feature values;
constructing a verification vector based on the extracted plurality of characteristic values;
matching the verification vector with a standard vector in a preset verification library;
when a matching coincidence item exists, determining that verification is passed; otherwise, the operation prompt is carried out again.
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