CN112668514A - Face recognition acquisition control method and system, control device and storage medium - Google Patents
Face recognition acquisition control method and system, control device and storage medium Download PDFInfo
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- CN112668514A CN112668514A CN202011636091.XA CN202011636091A CN112668514A CN 112668514 A CN112668514 A CN 112668514A CN 202011636091 A CN202011636091 A CN 202011636091A CN 112668514 A CN112668514 A CN 112668514A
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Abstract
The invention relates to the technical field of face recognition, in particular provides a face recognition acquisition control method, namely a system, a device and a medium, and aims to solve the technical problem of how to enable a camera to better cope with individuals with different heights. For this purpose, the acquisition control method for face recognition comprises the following steps: acquiring the basic height of an individual to be identified; determining the identification height according to the basic height; and enabling the acquisition part to acquire the face information of the individual in a set mode at least under the condition that the individual is in the identified height. In the control method of the present invention, the matching between the acquisition unit and the recognized height can be optimized by improving the basic height based on which the acquisition unit is based on the recognized height, so that the individual in the recognized height is more suitable for acquiring the facial image.
Description
Technical Field
The invention relates to the technical field of face recognition, in particular to a face recognition acquisition control method and system, a control device and a storage medium.
Background
By reliably confirming the identity information of the personnel entering the scene, the management rigor of the scene where the personnel are located can be ensured. Such as: the identity information of the person can be determined by means of fingerprints, voiceprints, face recognition and the like. In the case of face recognition, it is often necessary to capture a face image of a person through a camera, and on the basis of this, the identity of the person is confirmed based on a known face recognition technology.
One application scenario for face recognition is as follows: each person captures an image of their face in a situation where they are close to the camera. Since the heights of the persons are different, the camera is often required to rotate within a certain range in order to ensure that the optimal facial image can be captured. However, the rotation of the camera head causes such a problem: the increase of the visual angle is usually accompanied by the distortion of the face image, and the large distortion often brings new challenges to the face recognition algorithm or causes the probability of the problem of face recognition failure to be increased.
As an improvement, for example, a chinese utility model patent (CN212112590U) discloses a new electronic lock, and specifically discloses the following: the electronic lock comprises a rear plate, a front plate, an adjusting plate, a camera, an infrared sensor and a servo motor, wherein the front plate is installed on one side of the rear plate, a mounting groove is formed in one side of the front plate, sliding grooves are symmetrically formed in the mounting groove, one side, away from the sliding grooves, of the mounting groove is provided with a groove, and the servo motor is installed at the bottom of the inner wall of the groove. The utility model discloses an infrared sensor feels and detects user's height, carries out altitude mixture control to the camera through servo motor to the crowd of the different heights of adaptation.
It can be seen that the document realizes face recognition by completely replacing camera rotation with camera translation. Although such an improvement avoids the phenomenon of distortion of the face image accompanied by an increase in the angle of view, there is a problem in that: for different random individuals (personnel), the height adjustment of the camera tends to be frequent due to the fact that the height is different and belongs to a ubiquitous phenomenon. The camera, as an optical device, is inevitably subjected to frequent mechanical movements, which may affect the accuracy and the service life of the camera.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks, the present invention is proposed to provide a method and a system for controlling acquisition of face recognition, a control device, and a storage medium, which solve or at least partially solve the technical problem of how to enable a camera to better cope with individuals of different heights.
In a first aspect, the present invention provides a method for controlling acquisition of face recognition, where the method includes:
acquiring the basic height of an individual to be identified;
determining the identification height according to the basic height;
and enabling the acquisition part to acquire the face information of the individual in a set mode at least under the condition that the individual is in the identified height.
With this arrangement, it is possible to acquire face information of an individual more favorably, and to realize reliable face recognition of the individual based on the acquired face information.
It will be appreciated that the base height is typically the actual height of the individual, as obtained by means capable of detecting the height when the individual reaches the location of face recognition. The recognition height is an intermediate quantity obtained according to the basic height, and for different individuals, the intermediate quantity can reflect the difference of the basic heights among the individuals on one hand, and on the other hand, can better serve the recognition mechanism of the face recognition system based on the difference.
For the above method for controlling the acquisition of face recognition, in a possible embodiment, the determining the recognition height according to the basic height includes:
acquiring position information of an acquisition part;
and determining the identification height according to the basic height and the position information.
Through the arrangement, the height of the individual can be better adapted to the acquisition part, so that the quality of the face information of the individual acquired by the acquisition part can be better served for the identification mechanism of the face identification system. For example, the optimal collection heights may be determined based on the position information of the collection unit, and the collection height closest to the basic height may be used as the identification height.
In one possible embodiment, in the "causing the acquiring unit to acquire the face information of the individual in a set manner at least in a case where the individual is at the recognized height", the manner of causing the individual to be at the recognized height is:
the individual is at the identified height by means of an adjustment part configured at the scene where the acquisition part is located.
With this arrangement, the different heights of the plurality of individuals can be unified, and the acquisition unit can capture face information of good quality.
Along with the automatic process of mechanical motion, the process of lifting is realized through the adjusting part, and the individual safety and comfort can be absolutely guaranteed. Furthermore, on the premise, the adjustment process can also be pursued without feeling the need.
It is understood that the specific form, arrangement position, number and the like of the adjusting parts can be selected by those skilled in the art according to actual situations.
In a possible embodiment, the adjusting portion is further capable of adjusting the position of the individual in at least one reference direction having an angle with the height direction, and the "enabling the acquiring portion to acquire the facial information of the individual in a set manner at least in the case that the individual is at the identified height" includes:
bringing the individual in a reference direction to a target position by means of the adjustment;
and under the condition that the individual is at the identified height at the target position, enabling the acquisition part to acquire the face information of the individual in a set mode.
With this arrangement, the acquisition unit can obtain a face image of an individual with better quality.
When the positions of the two axes are determined, the target position can be described as a fixed point in the horizontal plane, for example, with reference to the two axes whose directions include the horizontal plane. It is understood that the reference direction may be one, and the reference direction and the height direction are not necessarily perpendicular to each other. Those skilled in the art can flexibly select the application according to specific application scenarios.
Further, it should be noted that the adjustment portion may include one mechanism or a plurality of mechanisms. For example, the mechanism for adjusting the individual to the identified height and the mechanism for adjusting the individual to the target position may be one or two. The mechanism for adjusting the individual to the target position may be accomplished by a single mechanism or two or more mechanisms in cooperation. Those skilled in the art can flexibly select the application according to specific application scenarios.
In one possible embodiment, the step of causing the collecting unit to collect the face information of the individual in a set manner at least when the individual is at the identified height comprises:
and enabling the acquisition part to acquire the face information of the individual in a mode of moving within a set range at least under the condition that the individual is in the identified height.
With this arrangement, it is possible to obtain individual face information with guaranteed quality more flexibly.
In one possible embodiment, the method for controlling the acquisition of the face recognition, wherein the step of causing the acquisition unit to acquire the face information of the individual so as to move within a set range at least in a case where the individual is at the recognized height, comprises:
and at least under the condition that the individual is in the identified height, enabling the acquisition part to acquire the face information of the individual in a mode of rotating in a set visual angle range and/or moving in a set distance range.
In particular, for optical devices, high frequency, large amplitude rotation and movement may have significant impact on the quality and lifetime of the acquisition. However, the development degree of the existing optical equipment is combined, so that the small-amplitude rotation does not cause the distortion of facial image information, and the small-amplitude and low-frequency movement does not cause obvious influence on the service life. Therefore, the face recognition can be more flexibly realized by the cooperation of the acquisition unit and the adjustment unit than by adjusting only the position of the individual.
Taking the adjustment part to adjust only the height of the individual as an example, the adjustment part may be: the corresponding optimal height of the acquisition part is a height range, and the adjustment can be carried out:
1) when the height of the individual is within the height range, the adjustment mechanism of the adjustment part is not started, and the acquisition of the facial image of the individual is directly realized through the small-amplitude rotation of the acquisition part;
2) when the height of the individual is not in the height range, starting an adjusting mechanism of the adjusting part, determining the identified height as the middle point of the height range, and after the individual is adjusted to the identified height, the acquisition part acquires the face image of the individual at a fixed position and posture.
Such as may also be: the collecting part is provided with three optimal heights corresponding to three types of heights, namely a high height, a middle height and a low height, each optimal height is still in a height range, at the moment, aiming at different individuals, the height of the current individual can be judged to be close to one of the three optimal heights, and on the basis, the adjustment is carried out according to the adjusting mode.
In a possible embodiment, the method for controlling the acquisition of the face recognition, wherein the acquisition part comprises an acquisition end, and the step of enabling the acquisition part to acquire the face information of the individual in a movable manner within a set range at least in the case that the individual is at the height to be recognized comprises:
and at least under the condition that the individual is in the identified height, enabling the acquisition end to acquire the face information of the individual in a mode of rotating in a set visual angle range and/or moving in a set distance range.
With this arrangement, a specific form of the collecting section is provided.
In one possible embodiment, the method for controlling the acquisition of the face recognition includes the step of acquiring the face information of the individual by the acquisition unit, and the step of "enabling the acquisition unit to acquire the face information of the individual in a movable manner within a set range at least in the case that the individual is at the height to be recognized" includes:
and at least under the condition that the individual is in the identified height, enabling one of the plurality of collecting ends to collect the face information of the individual in a mode of rotating within a set visual angle range and/or within a set distance range.
By this arrangement, another specific form of the collecting section is provided.
It can be understood that each acquisition end is positioned at different heights, so that the acquisition end to be used for acquiring the facial image can be determined according to the basic height of an individual and the distance between different acquisition ends, and on the basis, the identification height is adjusted according to the height of the acquisition end.
For the above method for controlling the acquisition of face recognition, in a possible implementation manner, the step of obtaining the basic height of the individual to be recognized includes:
determining the basic height of an individual to be identified according to the detection results of a plurality of photoelectric sensors with codes;
wherein the plurality of photoelectric sensors with codes are arranged along the height direction in the scene where the acquisition part is positioned.
By such an arrangement, a particular way of detecting the basal height of an individual is provided.
Such as may be: the photoelectric sensors are arranged at equal intervals along the height direction, when an individual approaches, the photoelectric sensors with continuous codes return detection signals, and thus the basic height of the individual can be determined according to the number and the codes of the returned detection signals.
It can also be: the density of the photoelectric sensors is increased within a certain height range, for example, when the number of individuals in a scene is large, the density of the photoelectric sensors with the height of 150-.
In a second aspect, the present invention provides an acquisition control system for face recognition, where the control device includes:
a first module configured to be able to obtain a base height of an individual to be identified;
a second module configured to determine an identified height based on the base height;
a third module configured to enable the acquisition part to acquire the face information of the individual in a set manner at least in a case where the individual is in the identified height.
By such an arrangement, it is possible to acquire face information of an individual to be recognized better, and thus realize reliable face recognition of the individual based on the acquired face information.
For the above-mentioned face recognition acquisition control system, in a possible implementation, the second module is specifically configured to be able to perform the following operations:
acquiring position information of an acquisition part;
and determining the identification height according to the basic height and the position information.
Through the arrangement, the height of the individual can be better adapted to the acquisition part, so that the quality of the face information of the individual acquired by the acquisition part can be better served for the identification mechanism of the face identification system.
For the above-mentioned face recognition acquisition control system, in a possible implementation, the third module is specifically configured to perform the following operations:
and enabling the acquisition part to acquire the face information of the individual in a mode of moving within a set range at least under the condition that the individual is in the identified height.
With this arrangement, it is possible to obtain individual face information with guaranteed quality more flexibly.
For the above-mentioned face recognition acquisition control system, in a possible implementation, the first module is specifically configured to be able to perform the following operations:
determining the basic height of an individual to be identified according to the detection results of a plurality of photoelectric sensors with codes;
wherein the plurality of photoelectric sensors with codes are arranged along the height direction in the scene where the acquisition part is positioned.
By such an arrangement, a particular way of detecting the basal height of an individual is provided.
In a third aspect, the present invention provides a computer-readable storage medium, in which a plurality of program codes are stored, the program codes being adapted to be loaded and executed by a processor to perform the acquisition control method of face recognition according to any one of the preceding claims.
It can be understood that the computer-readable storage medium has all the technical effects of any one of the aforementioned face recognition acquisition control methods, and the details are not repeated herein.
In a fourth aspect, the present invention provides a control device comprising a processor and a memory, wherein the memory is adapted to store a plurality of program codes, and wherein the program codes are adapted to be loaded and run by the processor to perform the acquisition control method for face recognition according to any one of the preceding claims.
It can be understood that the computer-readable storage medium has all the technical effects of any one of the aforementioned face recognition acquisition control methods, and the details are not repeated herein.
Drawings
Embodiments of the invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic main flow chart of an acquisition control method for face recognition according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a specific flow of a face recognition acquisition control method in an application scenario 1 according to an embodiment of the present invention; and
fig. 3 is a schematic specific flow chart of a face recognition acquisition control method in an application scenario 2 according to an embodiment of the present invention; and
fig. 4 is a main block diagram of an acquisition control system for face recognition according to an embodiment of the present invention.
List of reference numerals:
41. a first module; 42: a second module; 43: and a third module.
Detailed Description
Some embodiments of the invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
In the description of the present invention, a "module" or "processor" may include hardware, software, or a combination of both. A module may comprise hardware circuitry, various suitable sensors, communication ports, memory, may comprise software components such as program code, or may be a combination of software and hardware. The processor may be a central processing unit, microprocessor, image processor, digital signal processor, or any other suitable processor. The processor has data and/or signal processing functionality. The processor may be implemented in software, hardware, or a combination thereof. Non-transitory computer readable storage media include any suitable medium that can store program code, such as magnetic disks, hard disks, optical disks, flash memory, read-only memory, random-access memory, and the like. The term "a and/or B" denotes all possible combinations of a and B, such as a alone, B alone or a and B. The term "at least one A or B" or "at least one of A and B" means similar to "A and/or B" and may include only A, only B, or both A and B. The singular forms "a", "an" and "the" may include the plural forms as well.
With the maturity of face recognition technology, face recognition technology is introduced in many scenes. For example, the check-in of an office, the opening of an entrance guard, electronic payment and the like can be realized in a face recognition mode. One of the factors affecting the accuracy of face recognition is the quality of the acquired face image of an individual, and one of the factors affecting the quality of the face image of an individual is the height difference between individuals. Based on the above, the invention is provided mainly aiming at the acquisition link of the face recognition technology and taking the height difference between individuals as an entry point.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a face recognition acquisition control method according to an embodiment of the present invention. As shown in fig. 1, the method comprises the steps of:
s101, obtaining the basic height of an individual to be identified;
if the base height is approximately the actual height of the individual, the actual height of the individual is obtained, as in one specific example, by:
n photoelectric sensors with numbers are installed at fixed intervals d along the height direction, when an individual approaches, the photoelectric sensors can detect a reflection signal, when the individual approaches, the photoelectric sensors return a value of 1, and when the individual does not return a value of 0.
When an individual approaches, the photoelectric sensors covered by the height range of the individual detect the reflected signals, so that a group of photoelectric sensors with continuous numbers returns 1 value. In this way, the base height of the individual can be roughly determined from the number and number of photosensors returning a value of 1.
S102, determining the identification height according to the basic height;
for example, a lift table may be provided as the adjusting portion, the lift table being capable of adjusting the individual in the height direction from a height corresponding to the basic height to a height corresponding to the recognized height.
S103, enabling the acquisition part to acquire the face information of the individual in a set mode at least under the condition that the individual is in the height identification state, wherein the acquisition part comprises one or more acquisition ends, and the acquisition end is a camera.
In the control method of the present invention, the matching between the acquisition unit and the recognized height can be optimized by improving the basic height based on which the acquisition unit is based on the recognized height, so that the individual in the recognized height is more suitable for acquiring the facial image.
The acquisition control method for face recognition of the invention is explained below by combining three specific application scenarios.
The application scene 1 is a residential building, and the purpose of face recognition is whether the entrance guard is started or not. The acquisition part comprises three cameras arranged along the height direction, and the heights corresponding to the three cameras are 120cm, 160cm and 180mm respectively, and are referred to as first reference height, second reference height and third reference height).
Referring to fig. 2, fig. 2 shows a detailed flow diagram of a face recognition acquisition control method in an application scenario 1 according to an embodiment of the present invention. As shown in fig. 2, the method comprises the steps of:
s201, acquiring the basic height of an individual to be identified through a group of photoelectric sensors;
s202, respectively calculating the difference between the basic height and the (first, second and third) reference heights, and taking the reference height with the minimum difference as the identification height;
s203, starting the lifting platform, and adjusting the individual from the height corresponding to the basic height to the height corresponding to the identification height.
As in a specific example, the basic height of the individual to be identified is 155cm, and the comparison shows that the second reference height of 160cm should be used as the identification height, and then the lifting platform is started to lift the individual by about 5cm, and the camera corresponding to the second reference height is started to detect the face, and a small-amplitude rotation is allowed in the detection process.
It can be seen that in the application scenario, due to the fact that the difference of the heights of individuals is large, the heights can be classified in the whole range, and on the basis, the face recognition acquisition mechanism is improved for the classified heights.
The application scene 2 is in an office building, and the purpose of face recognition is to finish attendance checking on and off duty. The purpose of face recognition is whether the entrance guard is started or not. The acquisition part comprises a camera which is provided with a track, and the camera can be positioned at two position heights (hereinafter referred to as a first position height and a second position height) of 160cm and 180mm through the movement of the camera in the track.
Referring to fig. 3, fig. 3 is a schematic specific flow chart of the acquisition control method for face recognition in the application scenario 2 according to an embodiment of the present invention. As shown in fig. 3, the method comprises the steps of:
s301, acquiring the basic height of an individual to be identified through a group of photoelectric sensors;
s302, respectively calculating the difference between the basic height and the (first and second) position heights, and taking the position height with the smaller difference as an identification height;
s303, the camera reaches the recognition height in a mode of moving in the track;
s304, starting the lifting platform, and adjusting the individual from the height corresponding to the basic height to the height corresponding to the identification height.
As in a specific example, the base height of the individual to be identified is 172cm, and by comparison the second position height 180cm should be taken as the identification height, on the basis of which:
on one hand, assuming that the position of the camera is 160cm in height before, the camera is moved up by 20cm to reach the height of the second position by 180 cm;
on the other hand, the lifting platform is started, the individuals are lifted by about 8cm, the camera is started, and the human face is detected.
It can be seen that in the application scenario, because the individuals belong to adults, the difference of heights is relatively small, and at the moment, only a proper position height needs to be made, so that the face recognition can be reliably completed even if the camera does not rotate.
It should be noted that, although the foregoing embodiments describe each step in a specific sequence, those skilled in the art will understand that, in order to achieve the effect of the present invention, different steps do not necessarily need to be executed in such a sequence, and they may be executed simultaneously (in parallel) or in other sequences, and these changes are all within the protection scope of the present invention.
Furthermore, the invention also provides an acquisition control system for face recognition.
Referring to fig. 4, fig. 4 is a block diagram illustrating a main structure of an acquisition control system for face recognition according to an embodiment of the present invention. As shown in fig. 4, the acquisition control system for face recognition of the present invention mainly includes:
a first module 41 configured to be able to obtain a base height of an individual to be identified;
a second module 42 configured to determine an identified height from the base height;
a third module 43 configured to enable the acquisition portion to acquire the facial information of the individual in a set manner, at least in case the individual is at said identified height.
The above-mentioned face recognition acquisition control system is used for executing the embodiment of the face recognition acquisition control method shown in fig. 1-3, and the technical principles, the solved technical problems and the generated technical effects of the two are similar, and it can be clearly understood by those skilled in the art that for convenience and simplicity of description, the specific working process and related description of the face recognition acquisition control system may refer to the content described in the embodiment of the face recognition acquisition control method, and no further description is given here.
It will be understood by those skilled in the art that all or part of the flow of the method according to the above-described embodiment may be implemented by a computer program, which may be stored in a computer-readable storage medium and used to implement the steps of the above-described embodiments of the method when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying said computer program code, media, usb disk, removable hard disk, magnetic diskette, optical disk, computer memory, read-only memory, random access memory, electrical carrier wave signals, telecommunication signals, software distribution media, etc. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
Further, the invention also provides a computer readable storage medium. In an embodiment of a computer-readable storage medium according to the present invention, the computer-readable storage medium may be configured to store a program for executing the acquisition control method of face recognition of the above-described method embodiment, and the program may be loaded and executed by a processor to implement the above-described acquisition control method of face recognition. For convenience of explanation, only the parts related to the embodiments of the present invention are shown, and details of the specific techniques are not disclosed. The computer readable storage medium may be a storage device formed by including various electronic devices, and optionally, the computer readable storage medium is a non-transitory computer readable storage medium in the embodiment of the present invention.
Furthermore, the invention also provides a control device. In an embodiment of the control device according to the present invention, the control device comprises a processor and a storage device, the storage device may be configured to store a program for executing the acquisition control method of face recognition of the above-mentioned method embodiment, and the processor may be configured to execute a program in the storage device, the program including but not limited to a program for executing the acquisition control method of face recognition of the above-mentioned method embodiment. For convenience of explanation, only the parts related to the embodiments of the present invention are shown, and details of the specific techniques are not disclosed. The control device may be a control device apparatus formed including various electronic apparatuses.
Further, it should be understood that, since the modules are only configured to illustrate the functional units of the system of the present invention, the corresponding physical devices of the modules may be the processor itself, or a part of software, a part of hardware, or a part of a combination of software and hardware in the processor. Thus, the number of individual modules in the figures is merely illustrative.
Those skilled in the art will appreciate that the various modules in the system may be adaptively split or combined. Such splitting or combining of specific modules does not cause the technical solutions to deviate from the principle of the present invention, and therefore, the technical solutions after splitting or combining will fall within the protection scope of the present invention.
So far, the technical solution of the present invention has been described with reference to one embodiment shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (15)
1. A control method for face recognition acquisition is characterized by comprising the following steps:
acquiring the basic height of an individual to be identified;
determining the identification height according to the basic height;
and enabling the acquisition part to acquire the face information of the individual in a set mode at least under the condition that the individual is in the identified height.
2. The method as claimed in claim 1, wherein the determining the recognition height according to the basic height comprises:
acquiring position information of an acquisition part;
and determining the identification height according to the basic height and the position information.
3. The acquisition control method for face recognition according to claim 1, wherein in the "causing the acquisition unit to acquire the face information of the individual in a set manner at least when the individual is at the recognized height", the manner of causing the individual to be at the recognized height is:
the individual is at the identified height by means of an adjustment part configured at the scene where the acquisition part is located.
4. The method as claimed in claim 3, wherein the adjusting part is further capable of adjusting the position of the individual in at least one reference direction having an angle with the height direction, and the step of causing the acquiring part to acquire the facial information of the individual in a set manner at least in the case that the individual is at the identified height comprises:
bringing the individual in a reference direction to a target position by means of the adjustment;
and under the condition that the individual is at the identified height at the target position, enabling the acquisition part to acquire the face information of the individual in a set mode.
5. The method for controlling acquisition of human face recognition according to any one of claims 1 to 4, wherein the step of causing the acquisition unit to acquire the face information of the individual in a set manner at least in the case where the individual is at the recognized height comprises:
and enabling the acquisition part to acquire the face information of the individual in a mode of moving within a set range at least under the condition that the individual is in the identified height.
6. The method of claim 5, wherein the step of causing the capturing unit to capture facial information of the individual in a manner that enables the capturing unit to move within a predetermined range at least when the individual is at the identified height comprises:
and at least under the condition that the individual is in the identified height, enabling the acquisition part to acquire the face information of the individual in a mode of rotating in a set visual angle range and/or moving in a set distance range.
7. The method as claimed in claim 6, wherein the collecting part comprises a collecting end, and the step of enabling the collecting part to collect the face information of the individual in a movable manner within a set range at least in the case that the individual is at the height for recognition comprises the steps of:
and at least under the condition that the individual is in the identified height, enabling the acquisition end to acquire the face information of the individual in a mode of rotating in a set visual angle range and/or moving in a set distance range.
8. The method for controlling acquisition of human face recognition according to claim 6, wherein the acquisition unit includes a plurality of acquisition terminals arranged in a height direction, and the step of causing the acquisition unit to acquire the facial information of the individual in a movable manner within a set range at least in a case where the individual is at the recognized height comprises:
and at least under the condition that the individual is in the identified height, enabling one of the plurality of collecting ends to collect the face information of the individual in a mode of rotating within a set visual angle range and/or within a set distance range.
9. The acquisition control method for face recognition according to claim 1, wherein the step of obtaining the basic height of the individual to be recognized comprises:
determining the basic height of an individual to be identified according to the detection results of a plurality of photoelectric sensors with codes;
wherein the plurality of photoelectric sensors with codes are arranged along the height direction in the scene where the acquisition part is positioned.
10. The utility model provides a face identification's collection control system which characterized in that, face identification system includes the collection portion, controlling means includes:
a first module configured to be able to obtain a base height of an individual to be identified;
a second module configured to determine an identified height based on the base height;
a third module configured to enable the acquisition part to acquire the face information of the individual in a set manner at least in a case where the individual is in the identified height.
11. The acquisition control system for face recognition according to claim 10, characterized in that said second module is specifically configured to be able to perform the following operations:
acquiring position information of an acquisition part;
and determining the identification height according to the basic height and the position information.
12. The acquisition control device of a face recognition system according to claim 10, characterized in that the third module is specifically configured to be able to perform the following operations:
and enabling the acquisition part to acquire the face information of the individual in a mode of moving within a set range at least under the condition that the individual is in the identified height.
13. The acquisition control device of a face recognition system according to claim 10, wherein the first module is specifically configured to perform the following operations:
determining the basic height of an individual to be identified according to the detection results of a plurality of photoelectric sensors with codes;
wherein the plurality of photoelectric sensors with codes are arranged along the height direction in the scene where the acquisition part is positioned.
14. A computer-readable storage medium, in which a plurality of program codes are stored, characterized in that said program codes are adapted to be loaded and run by a processor to perform the acquisition control method of face recognition according to any one of claims 1 to 9.
15. A control apparatus comprising a processor and a memory adapted to store a plurality of program codes, characterized in that the program codes are adapted to be loaded and run by the processor to perform the acquisition control method of face recognition according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011636091.XA CN112668514A (en) | 2020-12-31 | 2020-12-31 | Face recognition acquisition control method and system, control device and storage medium |
Applications Claiming Priority (1)
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| CN114241182A (en) * | 2021-12-21 | 2022-03-25 | 上海帝图信息科技有限公司 | Body language recognition system and method |
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Application publication date: 20210416 |