CN111582047A - Face recognition verification passing method and related device thereof - Google Patents
Face recognition verification passing method and related device thereof Download PDFInfo
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- CN111582047A CN111582047A CN202010297381.XA CN202010297381A CN111582047A CN 111582047 A CN111582047 A CN 111582047A CN 202010297381 A CN202010297381 A CN 202010297381A CN 111582047 A CN111582047 A CN 111582047A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 238000012545 processing Methods 0.000 claims abstract description 24
- 238000012790 confirmation Methods 0.000 claims description 23
- 238000004590 computer program Methods 0.000 claims description 14
- 230000006870 function Effects 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
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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
- G06V40/161—Detection; Localisation; Normalisation
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
- G07C9/25—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition
Abstract
The application provides a face recognition verification passing method and a related device thereof. The face recognition verification passing method comprises the following steps: carrying out face detection on the acquired current frame image to be identified; determining whether a new face exists in the current frame image to be recognized based on the result of the face detection; when a new face exists in the current frame image to be recognized, the new face is verified; if the verification is successful, allowing the pass; and when no new face exists in the current frame image to be recognized, releasing the current frame image to be recognized, and performing recognition, verification and passing processing on the next frame image to be recognized. The method can reduce more time consumption caused by face repeated recognition and improve the passing efficiency of face recognition.
Description
Technical Field
The present application relates to the field of image detection technologies, and in particular, to a face recognition verification passing method and a related apparatus thereof.
Background
With the gradual maturity of face identification technology, more and more equipment has added face identification function, especially embedded equipment such as gate entrance guard. The equipment is widely applied to schools, communities, companies, parks and the like, and manpower and material resources for registering and checking identities of people are greatly saved. However, the door opening speed of the face recognition equipment on the market is generally slow, and most of the face recognition equipment is between several seconds and even more than ten seconds. Personnel experience is not friendly, and can not pass through in a non-sensible manner, and even people can be jammed if more people exist.
Disclosure of Invention
The application provides a face recognition verification passing method and a related device thereof, which can reduce more time consumption caused by face repeated recognition and improve the passing efficiency of face recognition.
In order to achieve the above object, the present application provides a face recognition verification passing method, including:
carrying out face detection on the acquired current frame image to be identified;
determining whether a new face appears in the current frame to-be-paired acquired identification image based on the face detection result;
when a new face exists in the current frame image to be recognized, the new face is verified; if the verification is successful, allowing the pass;
and when no new face exists in the current frame image to be recognized, releasing the current frame image to be recognized, and performing recognition, verification and passing processing on the next frame image to be recognized.
In order to achieve the above purpose, the present application provides a face recognition verification passing device, which includes a face detection module, a judgment module and a processing module.
The face detection module is used for carrying out face detection on the acquired current frame image to be identified;
the judging module is used for confirming whether a new face exists in the current frame image to be recognized based on the face detection result;
the processing module is used for verifying a new face when the new face exists in the current frame image to be recognized; if the verification is successful; and when no new face exists in the current frame image to be recognized, releasing the current frame image to be recognized and processing the next frame image to be recognized.
In order to achieve the above object, the present application provides a face recognition verification passing device, which includes a memory and a processor;
the memory is used for storing program instructions for realizing the face recognition verification passing method;
the processor is operable to execute program instructions stored by the memory.
In order to achieve the above object, the present application provides an apparatus having a storage function, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the above-mentioned face recognition authentication passing method.
The method comprises the following steps: the method comprises the steps of firstly carrying out face detection on a current frame image to be recognized, then confirming whether a new face exists in the current frame image to be recognized based on a face detection result, if the new face exists, verifying the new face, if the new face exists, the verification is successful, allowing the current frame image to be recognized to pass through, if the new face does not exist, the current frame image to be recognized can be directly released, the current frame image to be recognized is not subjected to recognition verification processing, the verification passing time is saved, the verification passing efficiency is improved, and more time consumption caused by repeated recognition and repeated recognition of the face is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic flow chart of a first embodiment of a face recognition verification passing method according to the present application;
FIG. 2 is a schematic flow chart of a second embodiment of the face recognition verification passing method according to the present application;
FIG. 3 is a schematic structural diagram of an embodiment of a face recognition verification passing device according to the present application;
FIG. 4 is a schematic structural diagram of another embodiment of the face recognition verification passing device according to the present application;
fig. 5 is a schematic structural diagram of an embodiment of the apparatus with a storage function according to the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present application, the following describes in detail a face recognition verification passing method and a related apparatus thereof provided by the present application with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 in detail, fig. 1 is a schematic flow chart of a first embodiment of a face recognition verification passing method according to the present application. The face recognition verification passing method can continuously acquire the images to be recognized, and can perform recognition verification passing processing on the images to be recognized frame by frame according to the shooting sequence of the images to be recognized. The method for identifying, verifying and passing the face comprises the following steps.
S110: and carrying out face detection on the acquired current frame image to be identified.
Optionally, after the identification pass verification processing is completed on the previous frame of image to be identified, the identification pass verification processing may be performed on the current frame of image to be identified. Firstly, face detection is carried out on the current frame image to be identified.
The face detection can be carried out on the current frame image to be identified through a face detection algorithm.
S120: and determining whether a new face exists in the current frame image to be recognized based on the face detection result.
After the face detection is carried out on the current frame image to be recognized, whether a new face exists in the current frame image to be recognized can be determined according to the face detection result.
In an implementation manner, the current frame image to be recognized and the previous frame image to be recognized can be compared, whether at least one face does not appear in the previous frame image to be recognized exists in the current frame image to be recognized is judged, and if at least one face does not appear in the previous frame image to be recognized, the current frame image to be recognized is indicated to have a new face; and if at least one face does not exist in the previous image to be recognized, indicating that the current image to be recognized does not have a new face.
In another implementation manner, the current frame image to be recognized and the image to be recognized which is recognized last time can be compared, whether at least one face does not appear in the image to be recognized which is recognized last time exists in the current frame image to be recognized is judged, and if at least one face does not appear in the image to be recognized which is recognized last time, the current frame image to be recognized has a new face; and if at least one face does not appear in the image to be recognized which is recognized last time, indicating that the image to be recognized of the current frame does not have a new face.
When a new face exists in the current frame image to be recognized, the method goes to step S130; when there is no new face in the current frame image to be recognized, the process proceeds to step S140.
S130: and verifying the newly appeared face, and allowing the user to pass if the verification is successful.
And when a new face exists in the current frame image to be recognized, verifying the new face to confirm whether the person corresponding to the new face can be released.
S140: and releasing the current frame image to be identified.
When no new face exists in the current frame image to be recognized, the current frame image to be recognized is released, and the next frame image to be recognized is subjected to recognition, verification and passing processing, so that when the current frame image to be recognized is confirmed to have no new face, the current frame image to be recognized can not be subjected to verification processing.
In the embodiment, the face detection is firstly carried out on the current frame image to be recognized, then whether a new face exists in the current frame image to be recognized is confirmed based on the face detection result, if the new face exists, the new face is verified, the verification is successful and the passing is allowed, if the new face does not exist, the current frame image to be recognized can be directly released, the verification processing is not carried out on the current frame image to be recognized, the verification passing time is saved, the verification passing efficiency is improved, and more time consumption caused by repeated recognition and repeated recognition of the face is reduced.
Referring to fig. 2 in detail, fig. 2 is a flowchart illustrating a second embodiment of a face recognition verification passing method according to the present application. The method for identifying, verifying and passing the face comprises the following steps.
S210: and carrying out face detection on the acquired current frame image to be identified.
The face detection method comprises the steps of detecting a face in a current frame image to be recognized based on a face detection algorithm. In addition, when the face is detected from the current frame image to be recognized, the id of the face in the current frame image to be recognized is determined.
Alternatively, the id of the face in the current frame image to be recognized may be determined based on a tracking algorithm.
The method can track the face in the image to be identified by adopting a Tracking by Detection mode to obtain the continuous track of the face. Specifically, when a face is detected from a current frame image to be recognized through a face detection algorithm, the detected face can be matched with an existing continuous track, if matching is successful, a face id corresponding to the existing continuous track is used as the id of the detected face, and if matching is unsuccessful, a face id is newly established for the detected face.
S220: and determining whether the face exists in the current frame image to be recognized.
And determining whether a face exists in the current frame image to be recognized based on the result of the face detection.
If the current image to be recognized has a face, step S230 is performed, and if the current image to be recognized does not have a face, step S260 is performed.
S230: and determining whether a new face exists in the current frame image to be recognized.
And determining whether a new face exists in the current frame image to be recognized based on the id of the face in the current frame image to be recognized.
In one implementation mode, whether at least one face id exists in the current image to be recognized is determined, wherein the face id does not exist in the previous successfully recognized face id, and if yes, a new face exists in the current image to be recognized; if not, determining that no new face exists in the current frame image to be recognized.
In another implementation mode, whether at least one face id does not appear in the face id of the previous frame of image to be recognized exists in the current frame of image to be recognized is determined, and if yes, a new face appears in the current frame of image to be recognized is determined; if not, determining that no new face exists in the current frame image to be recognized.
If the current frame to-be-recognized image has a new face, the process proceeds to step S240, and if the current frame to-be-recognized image does not have a new face, the process proceeds to step S260.
S240: and verifying the newly appeared human face.
And when the new face exists in the current frame image to be recognized, verifying the new face.
In one implementation, the current frame image to be recognized may be directly input to a face recognition network to verify a face in the current frame image to be recognized.
In another implementation manner, all face regions detected in the current image to be recognized may be input to the face recognition network to verify the face in the current image to be recognized.
In another implementation manner, a face region newly appearing in the current image to be recognized may be input to the face recognition network to verify a face newly appearing in the current image to be recognized.
Inputting at least part of the current frame image to be recognized into a face recognition network, wherein the face recognition network can extract the features of at least part of the current frame image to be recognized to obtain image features; and comparing the image characteristics with the face characteristics in the passing face database, wherein if the comparison is successful, the verification is successful, and if the comparison is failed, the verification is failed. In other embodiments, the image features may be compared with the face features of the face database to confirm the identity of the face in the current frame image to be recognized; and determining whether the person in the current frame image to be recognized appears in the passing list or not according to the identity of the face, wherein if the person appears in the passing list, the verification is successful, and if the person does not appear in the passing list, the verification is failed.
If the verification is successful, go to step S250; if the authentication fails, the process proceeds to step S260.
In addition, after the verification fails, a confirmation prompt can be sent, so that a supervisor can confirm whether a person corresponding to the face in the current image to be recognized is in the passing list or not after receiving the confirmation prompt, and confirmation information can be sent according to a confirmation result; acquiring confirmation information; and if the confirmation information indicates that the person corresponding to the face in the current frame image to be recognized is in the passing list, adding the current frame image to be recognized into a face library of the passing list.
S250: allowing passage.
And (5) successfully verifying and allowing the passage.
In addition, if the verification is successful, the previous successfully recognized face ID can be updated to the face ID in the current frame image to be recognized, so as to perform recognition verification passing processing on the next frame image to be recognized. In other implementation manners, after the new face exists in the current frame image to be recognized, the previous successfully recognized face ID is updated to the face ID in the current frame image to be recognized, so that if a face exists in the continuous multi-frame images to be recognized, no matter whether the face is successfully verified or not, only the first frame image to be recognized in which the face exists needs to be recognized and verified, and other multi-frame images to be recognized in which the face exists are detected and judged based on the detection result, so that repeated recognition of the face is avoided, and the passing efficiency of recognition and verification is improved.
S260: and releasing the current frame image to be identified.
In a face recognition door opening scene, assuming that the time for extracting feature values of one face is 200ms and the comparison time is 50ms, an acquisition module acquires 15 images to be recognized and buffers the images in a queue under the condition that the face appears, and if the face is detected, the images need to be recognized, 15 images need to be recognized. When another person appears at this time, the second person needs to wait for the video buffer of the previous person to be completely consumed before entering the recognition, and assuming that the previous person has 12 remaining buffers, the time consumed for the second person to wait is 12 × 200+50 — 3000 ms. The face identification passing verification method is applied to a face identification verification door opening scene, and because the first face completes face identification or face verification, the face id detected in the current cache is equal to the successfully identified face id, the face id is directly discarded, and the face id is not sent to be recognized until the second face id appears, so that 3000ms can be saved, and the personnel can pass through the door quickly and conveniently in sequence.
The face recognition verification passing method is generally realized by a face recognition verification passing device, so the application also provides the face recognition verification passing device. Referring to fig. 3, fig. 3 is a schematic structural diagram of a first embodiment of a face recognition authentication passing device 10 according to the present application. The face recognition verification passing device 10 of the present embodiment includes a face detection module 11, a judgment module 12 and a processing module 13.
The face detection module 11 is configured to perform face detection on the acquired current frame image to be recognized;
the judging module 12 is configured to determine whether a new face exists in the current frame image to be recognized based on a face detection result;
the processing module 13 is configured to verify a new face when the new face exists in the current frame image to be recognized; if the verification is successful; and when no new face exists in the current frame image to be recognized, releasing the current frame image to be recognized and processing the next frame image to be recognized.
The face detection module 11 comprises a face id confirmation module, and the face id confirmation module is used for confirming the id of the face in the current frame image to be recognized when the face is detected from the current frame image to be recognized;
the judging module 12 is configured to determine whether at least one face id does not appear in the previous successfully recognized face id in the current image to be recognized, and if so, determine that a new face appears in the current image to be recognized; if not, determining that no new face exists in the current frame image to be recognized.
The processing module 13 is configured to, if the verification is successful, update the previous successfully recognized face id to the face id in the current frame of image to be recognized, so as to perform recognition, verification and passing processing on the next frame of image to be recognized.
The processing module 13 is configured to perform feature extraction on the current frame image to be identified to obtain image features; comparing the image characteristics with the face characteristics in the passing face database; if the comparison is successful, the verification is successful; and if the comparison fails, the verification fails.
The processing module 13 is configured to send a confirmation prompt, so that after receiving the confirmation prompt, a supervisor can confirm whether a person corresponding to a face in the current image to be recognized is in a passing list, and send confirmation information according to a confirmation result; acquiring confirmation information; and if the confirmation information indicates that the person corresponding to the face in the current frame image to be recognized is in the passing list, adding the current frame image to be recognized into a passing face database.
The face detection module 11 comprises a face id confirmation module, and the face id confirmation module is used for confirming the id of the face in the current frame image to be recognized when the face is detected from the current frame image to be recognized;
the judging module 12 is configured to determine whether at least one face id does not appear in the face id of the previous image to be recognized in the current image to be recognized, and if so, determine that a new face appears in the current image to be recognized; if not, determining that no new face exists in the current frame image to be recognized.
The face id confirmation module is used for determining the id of the face in the current frame image to be recognized based on a tracking algorithm.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of a face recognition verification passing device according to the present application. The face recognition verification passing device 20 comprises a processor 22 and a memory 21; the memory 21 is configured to store program instructions for implementing the face recognition pass-through method as described above, and the processor 22 is configured to execute the program instructions stored in the memory 21.
The logic process of the above-mentioned face recognition verification passing method is presented as a computer program, and in terms of the computer program, if the computer program is sold or used as a stand-alone software product, the computer program can be stored in a device with a storage function, so the application provides a device with a storage function. Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of the apparatus with storage function 30 according to the present application, in which a computer program 31 is stored, and the computer program is executed by a processor to implement the steps in the above-mentioned face recognition verification passing method.
The device 30 with a storage function may be a medium that can store a computer program, such as a usb disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, or may be a server that stores the computer program, and the server may send the stored computer program to another device for running or may run the stored computer program by itself. The storage function device 30 may be a combination of a plurality of entities in terms of physical entities, for example, a plurality of servers, a server plus a memory, or a memory plus a removable hard disk.
The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.
Claims (10)
1. A face recognition verification passing method is characterized by comprising the following steps:
carrying out face detection on the acquired current frame image to be identified;
determining whether a new face exists in the current frame image to be recognized based on a face detection result;
when a new face exists in the current frame image to be recognized, verifying the new face; if the verification is successful, allowing the pass;
and when no new face exists in the current frame image to be recognized, releasing the current frame image to be recognized, and performing recognition, verification and passing processing on the next frame image to be recognized.
2. The method for passing through face recognition and verification according to claim 1, wherein the face detection of the acquired current frame image to be recognized comprises: when a face is detected from the current frame image to be recognized, confirming the id of the face in the current frame image to be recognized;
the determining whether a new face appears in the current frame image to be recognized based on the result of the face detection includes:
determining whether at least one face id does not appear in the previous successfully recognized face id in the current frame image to be recognized, if so, determining that a new face appears in the current frame image to be recognized; and if not, determining that no new face exists in the current frame image to be recognized.
3. The face recognition verification passage method according to claim 2, further comprising:
and if the verification is successful, updating the face id successfully recognized last time into the face id in the current frame image to be recognized for carrying out recognition verification passing processing on the next frame image to be recognized.
4. The method for passing through face recognition and verification according to claim 3, wherein the verification of the new face comprises:
performing feature extraction on the current frame image to be identified to obtain image features;
comparing the image characteristics with the face characteristics in the passing face database;
if the comparison is successful, the verification is successful; and if the comparison fails, the verification fails.
5. The face recognition verification passing method of claim 4, wherein the comparison fails and then indicates that the verification fails, and then comprises:
sending a confirmation prompt to ensure that a supervisor confirms whether a person corresponding to the face in the current frame image to be recognized is in a passing list or not after receiving the confirmation prompt, and sending confirmation information according to a confirmation result;
acquiring confirmation information;
and if the confirmation information indicates that the person corresponding to the face in the current frame image to be recognized is in the passing list, adding the current frame image to be recognized into a passing face database.
6. The method for passing through face recognition and verification according to claim 1, wherein the face detection of the acquired current frame image to be recognized comprises: when a face is detected from the current frame image to be recognized, confirming the id of the face in the current frame image to be recognized;
the determining whether a new face appears in the current frame image to be recognized based on the result of the face detection includes: determining whether at least one face id does not appear in the face id of the previous image to be recognized in the current image to be recognized, if so, determining that a new face appears in the current image to be recognized; and if not, determining that no new face exists in the current frame image to be recognized.
7. The method for identifying, verifying and passing through the human face according to claim 2 or 6, wherein the confirming the id of the human face in the current frame image to be identified comprises:
and determining the id of the face in the current frame image to be recognized based on a tracking algorithm.
8. A face recognition verification pass device, the device comprising:
the face detection module is used for carrying out face detection on the acquired current frame image to be identified;
the judging module is used for confirming whether a new face exists in the current frame image to be recognized based on the result of face detection;
the processing module is used for verifying the new face when the new face exists in the current frame image to be recognized; if the verification is successful; and when no new face exists in the current frame image to be recognized, releasing the current frame image to be recognized and processing the next frame image to be recognized.
9. The device for passing the face recognition verification is characterized by comprising a memory and a processor;
the memory is used for storing program instructions for implementing the face recognition verification passing method according to any one of claims 1-7;
the processor is configured to execute the program instructions stored by the memory.
10. An apparatus having a storage function, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the face recognition verification passage method according to any one of claims 1 to 7.
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