CN111221997A - Scenic spot person searching method based on portrait recognition and positioning - Google Patents
Scenic spot person searching method based on portrait recognition and positioning Download PDFInfo
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/53—Querying
- G06F16/538—Presentation of query results
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/583—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/103—Static body considered as a whole, e.g. static pedestrian or occupant recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The invention discloses a scenic spot person searching method based on portrait recognition and positioning, which comprises the following steps: s1, deploying a plurality of cameras for portrait recognition in a scenic spot, and establishing a position database according to identification information and coordinate positions of the cameras; s2, acquiring personnel images by using a camera, and establishing a personnel database which is associated with the position database based on the personnel images and acquisition time; s3, comparing the target person image provided by the help seeker with the person images in the person database to obtain a person image with the similarity larger than a threshold value as a comparison result; and S4, defining the coordinate position of the camera for collecting the personnel image in the comparison result as a position to be searched, displaying all the positions to be searched on the GIS map, and going to the position to be searched to search the target personnel. The invention is based on the portrait recognition technology, and obtains the final position of the target person in the scenic spot through the image of the target person, so as to reduce the area of the target person as much as possible and improve the efficiency of searching people in the scenic spot.
Description
Technical Field
The invention relates to a scenic spot person searching method based on portrait identification and positioning.
Background
Today, with the rapid development of economy, going out and traveling with family and children is taken as an important index item of the happy life of the people. However, in scenic spots with highly concentrated people, the phenomenon that the old and the children are lost is frequent due to factors such as carelessness, slow movement of the old, lively and fond movement of the children and the like. Although various anti-lost devices based on positioning technologies such as GPS (global positioning system), Beidou and the like exist in the market, people searching appeal cannot be well completed under the specific condition that people and devices without related devices are lost due to power failure and network disconnection, and under the condition that more inaccurate positioning exists in scenic spots with weak network and satellite signals, and the efficiency of positioning and searching personnel through artificial photo identification is low and inaccurate.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a scenic spot person searching method based on portrait recognition and positioning, and improves the efficiency of searching persons in scenic spots.
The purpose of the invention is realized by the following technical scheme: a scenic spot person searching method based on portrait recognition positioning comprises the following steps:
s1, deploying a plurality of cameras for portrait recognition in a scenic spot, and establishing a position database according to identification information and coordinate positions of the cameras;
s2, acquiring personnel images by using a camera, and establishing a personnel database which is associated with the position database based on the personnel images and acquisition time;
s3, comparing the target person image provided by the help seeker with the person images in the person database to obtain a person image with the similarity larger than a threshold value as a comparison result;
and S4, defining the coordinate position of the camera for collecting the personnel image in the comparison result as a position to be searched, displaying all the positions to be searched on the GIS map, and going to the position to be searched to search the target personnel.
Preferably, the identification information of the camera includes at least one of a physical address of the camera, a logical address of the camera, and a camera number.
Preferably, the target person image is acquired in the following manner: and carrying out image recognition on the paper photo or the electronic photo provided by the help seeker to obtain the image of the target person.
Preferably, in step S3, after the comparison result is obtained, the person who is the help confirms the person image in the comparison result, and removes the person image that fails to be confirmed in the comparison result.
Preferably, when all the positions to be searched are displayed on the GIS map, the positions to be searched corresponding to the personnel images with the latest acquisition time are subjected to flicker identification.
Preferably, step S4 includes:
defining the coordinate position of a camera for collecting the personnel image in the comparison result as a position to be searched;
displaying all positions to be searched on a GIS map of a scenic spot command center;
respectively sending person searching information to field workers nearest to each position to be searched, wherein the person searching information comprises target person images and person searching instructions;
and (4) carrying out personnel searching by field workers, if suspected target personnel are searched, sending photos of the suspected target personnel to a help seeker for confirmation, if the suspected target personnel are searched, finishing all searching aiming at the target personnel, and otherwise, continuing searching.
Preferably, step S4 includes:
defining the coordinate position of a camera for collecting the personnel image in the comparison result as a position to be searched;
displaying all positions to be searched on a GIS map of a mobile terminal APP of a help seeker;
the help seeker goes to the position to be searched displayed on the GIS map to search for the target person.
Preferably, the scenic spot person searching method based on portrait recognition positioning further comprises:
predicting areas where target persons possibly appear except the position to be searched according to the position to be searched;
and going to the area where the target person is likely to appear to find the target person.
Preferably, predicting the areas where the target person is likely to appear except the position to be searched according to the position to be searched includes:
generating a motion track of the target person according to the time of the target person appearing at each position to be searched;
and predicting the possible areas of the target person within the set time according to the motion trail of the target person and the frequency of the target person appearing at each position to be searched.
Preferably, the scenic spot person searching method based on portrait recognition positioning further comprises:
the help seeker provides the picture of the target person through the public number/APP, and obtains the search result.
The invention has the beneficial effects that: based on the portrait recognition technology, the invention obtains the final position of the target person in the scenic spot through the picture of the target person to reduce the area of the target person as much as possible, thereby completing the person searching purpose and improving the person searching efficiency in the scenic spot; the problems that more positioning devices are inaccurate in network and scenic spot positioning equipment with weak satellite signals, positioning and personnel searching efficiency is low and inaccurate through artificial photo recognition are solved.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a schematic illustration of predicting areas where a target person may be present.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-2, the invention provides a scenic spot person-searching method based on portrait recognition and positioning, comprising the following steps:
as shown in fig. 1, a scenic spot person finding method based on portrait recognition positioning includes:
s1, deploying a plurality of cameras for portrait recognition in a scenic spot, and establishing a position database according to identification information and coordinate positions of the cameras.
The identification information of the camera comprises at least one of a physical address, a logical address and a serial number of the camera, and the logical address of the camera is a camera IP address.
The identification information of the camera in the position database is associated with the coordinate position, that is, the coordinate position of the camera can be obtained according to the identification information of the camera, wherein the coordinate position includes, but is not limited to, longitude and latitude of the camera installation.
And S2, acquiring the personnel image by using the camera, and establishing a personnel database which is based on the personnel image and the acquisition time and is associated with the position database.
In some embodiments, the association between the human database and the location database is as follows: and associating the personnel image with the identification information of the camera for collecting the personnel image, or associating the personnel image with the coordinate position of the camera for collecting the personnel image.
In some embodiments, the acquisition time of the person image is accurate to the order of seconds.
And S3, comparing the target person image provided by the help seeker with the person images in the person database, and obtaining the person image with the similarity larger than a threshold value as a comparison result.
In some embodiments, the help seeker provides the target person image through the public number or the corresponding APP in the scenic spot, and does not need to go to mechanisms such as a command center of the scenic spot to seek help on the spot, so that the efficiency of seeking people is improved.
In some embodiments, in step S3, after the comparison result is obtained, the person seeking help confirms the person images in the comparison result, and removes the person images that do not pass the confirmation in the comparison result, so as to reduce the number of person images in the comparison result, and further reduce the number of subsequent positions to be searched, thereby improving the searching efficiency.
In some embodiments, when all positions to be searched are displayed on the GIS map, the positions to be searched corresponding to the personnel images with the latest acquisition time are subjected to flash identification, so that the staff/help seeker can quickly determine the position where the target personnel finally appears. It should be noted that, in addition to the flashing identification of the position to be searched which is latest in time, other methods can be adopted for identification so as to distinguish the position to be searched which is latest in time from other positions to be searched; the flash identification method can more obviously display the position where the target person finally appears compared with other schemes.
In some embodiments, after the comparison result is obtained, the person images in the comparison result are screened according to a preset time range, for example, the person image collected on the current day is screened out as a final comparison result.
And S4, defining the coordinate position of the camera for collecting the personnel image in the comparison result as a position to be searched, displaying all the positions to be searched on the GIS map, and going to the position to be searched to search the target personnel.
In some embodiments, step S4 includes: defining the coordinate position of a camera for collecting the personnel image in the comparison result as a position to be searched; displaying all positions to be searched on a GIS map of a scenic spot command center; respectively sending person searching information to field workers nearest to each position to be searched, wherein the person searching information comprises target person images and person searching instructions; and (4) carrying out personnel searching by field workers, if suspected target personnel are searched, sending photos of the suspected target personnel to a help seeker for confirmation, if the suspected target personnel are searched, finishing all searching aiming at the target personnel, and otherwise, continuing searching. In some embodiments, the photo of the suspected target person is sent to the help seeker for confirmation through the public number/APP, and the help seeker is informed of the search result through the public number/APP.
In some embodiments, step S4 includes: defining the coordinate position of a camera for collecting the personnel image in the comparison result as a position to be searched; all positions to be searched are displayed on a GIS map of a mobile terminal APP (such as a mobile phone APP) of a help seeker, and the help seeker goes to the positions to be searched displayed on the GIS map to search for target personnel. Specifically, the walking path can be simulated and displayed according to the time sequence of the target person appearing at each coordinate position, when the walking path of the target person is simulated and displayed, the marking speed of the simulation line between any two points on the GIS map is converted in proportion to the actual walking speed of the target person, the walking process of the target person is displayed more vividly and visually, the help seeker is helped to predict the specific position of the help seeker more accurately, and the person searching efficiency and reliability are improved. The person of seeking help can go to by oneself and wait to search the position and look for, need not the scenic spot staff and go to looking for, has alleviateed scenic spot staff's work load, can also improve the efficiency of looking for the people when the scenic spot staff is busy.
In some embodiments, the scenic spot person finding method based on portrait recognition positioning further comprises:
predicting the areas of the target personnel except the position to be searched according to the position to be searched: generating a motion track of the target person according to the time of the target person appearing at each position to be searched; and predicting the possible areas of the target person within the set time according to the motion trail of the target person and the frequency of the target person appearing at each position to be searched.
And going to the area where the target person is likely to appear to find the target person.
As shown in FIG. 2, each camera (P1-P8) acquires the personnel image of the target personnel, and the acquisition time is shown in Table 1, and the time of each camera acquiring the personnel image is shown in Table 1
The walking and birth track of the target person is as follows: P1-P3-P4-P5-P8-P5-P4-P3-P8, so the target person may end up in the active area of P8. Because there may be situations of unrecognized face and missed recognition, if no person is found by P8, the search region should be concentrated in the active region of P1\ P3\ P4\ P5, excluding the regions of P2\ P7\ P8.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A scenic spot person searching method based on portrait recognition and positioning is characterized by comprising the following steps:
s1, deploying a plurality of cameras for portrait recognition in a scenic spot, and establishing a position database according to identification information and coordinate positions of the cameras;
s2, acquiring personnel images by using a camera, and establishing a personnel database which is associated with the position database based on the personnel images and acquisition time;
s3, comparing the target person image provided by the help seeker with the person images in the person database to obtain a person image with the similarity larger than a threshold value as a comparison result;
and S4, defining the coordinate position of the camera for collecting the personnel image in the comparison result as a position to be searched, displaying all the positions to be searched on the GIS map, and going to the position to be searched to search the target personnel.
2. The method as claimed in claim 1, wherein the identification information of the camera comprises at least one of a physical address of the camera, a logical address of the camera, and a camera number.
3. The scenic spot person searching method based on portrait recognition and positioning as claimed in claim 1, wherein the target person image is obtained by: and carrying out image recognition on the paper photo or the electronic photo provided by the help seeker to obtain the image of the target person.
4. The method as claimed in claim 1, wherein in step S3, after the comparison result is obtained, the help seeker confirms the image of the person in the comparison result, and removes the image of the person who fails to be confirmed in the comparison result.
5. The method as claimed in claim 1, wherein when all positions to be searched are displayed on the GIS map, the positions to be searched corresponding to the image of the person whose acquisition time is the latest are flash-marked.
6. The method for finding persons in scenic spots based on portrait recognition positioning as claimed in claim 1, wherein step S4 comprises:
defining the coordinate position of a camera for collecting the personnel image in the comparison result as a position to be searched;
displaying all positions to be searched on a GIS map of a scenic spot command center;
respectively sending person searching information to field workers nearest to each position to be searched, wherein the person searching information comprises target person images and person searching instructions;
and (4) carrying out personnel searching by field workers, if suspected target personnel are searched, sending photos of the suspected target personnel to a help seeker for confirmation, if the suspected target personnel are searched, finishing all searching aiming at the target personnel, and otherwise, continuing searching.
7. The method for finding persons in scenic spots based on portrait recognition positioning as claimed in claim 1, wherein step S4 comprises:
defining the coordinate position of a camera for collecting the personnel image in the comparison result as a position to be searched;
displaying all positions to be searched on a GIS map of a mobile terminal APP of a help seeker;
the help seeker goes to the position to be searched displayed on the GIS map to search for the target person.
8. The method as claimed in claim 1, wherein the method further comprises:
predicting areas where target persons possibly appear except the position to be searched according to the position to be searched;
and going to the area where the target person is likely to appear to find the target person.
9. The method as claimed in claim 8, wherein the step of predicting the areas where the target person is likely to appear except the location to be searched based on the location to be searched comprises:
generating a motion track of the target person according to the time of the target person appearing at each position to be searched;
and predicting the possible areas of the target person within the set time according to the motion trail of the target person and the frequency of the target person appearing at each position to be searched.
10. The method as claimed in claim 1, wherein the method further comprises:
the help seeker provides the picture of the target person through the public number/APP, and obtains the search result.
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Application publication date: 20200602 |