CN211044338U - Automatic marking device for passenger flow counting based on face recognition - Google Patents

Abstract

The utility model relates to the technical field of image recognition, in particular to an automatic marking device for counting passenger flows based on face recognition, which comprises a personnel display board, a controller, a support frame and an automatic marking mechanism, wherein the personnel display board is fixedly arranged on a foundation close to one side of a passage port, the controller is fixedly arranged on one side of the support frame, the support frame is fixedly arranged at one end of the foundation far away from the passage port, the automatic marking mechanism is arranged at the top of the support frame, the automatic marking mechanism comprises a support board, a camera component, an edge computer equipment acquisition module and an automatic marking module, the camera component, the edge computer equipment acquisition module and the automatic marking module are all arranged on the support board, the utility model discloses an automatic marking device for counting the passenger flows and acquiring information by operating the controller and automatically presetting, and saves and simplifies the configuration work of implementers, the user can use the system by himself, and maintenance cost is saved.

Description

Automatic marking device for passenger flow counting based on face recognition

Technical Field

The utility model relates to an image recognition technology field, concretely relates to an automatic marking device for carrying out passenger flow count based on face identification.

Background

The image recognition, which is a process in which a person recognizes that it is an experienced image, is called image recognition, in which the image recognition is realized only by a process in which stored information is compared with current information, not only information entering sense organs at that time, but also information stored in memory.

At present, passenger flow counting needs exist in a plurality of business scenes, the infrared technology is used for carrying out passenger flow counting statistics in an early traditional mode, larger errors exist, in the process that a deep learning technology is gradually mature, a plurality of passenger flow counting technologies based on machine vision are started, and the original infrared counting mode is gradually replaced.

When machine vision is used for counting passenger flows, a technology called marking is generally adopted, namely, after a person passes through a corresponding line (virtual crossing line), one passenger flow is counted. The basic realization process principle is as follows: through deep learning, people in the video are identified, and a track of the people moving in the video is generated along with the movement of the people. The process can be divided into 2 parts when the track passes through the quadrangle with the direction in a certain defined way, namely, the passenger flow statistics are included.

A. The preparation process comprises the following steps:

1. acquisition of base images by a camera

2. Drawing lines on the base diagram: for example, a virtual scribe line is a quadrilateral in yellow-blue, with the transition from yellow-out to middle to blue indicating that the user is entering the store.

B. And (3) counting:

1. when a user passes through the camera, generating an id for the user through an AI algorithm, and tracking the id;

2. as the user moves, the id forms a moving track in the video;

3. and when the track passes through the line drawing area, counting the passenger flow to realize passenger flow statistics.

The problem with this approach is:

the marking-out is an operation on a two-dimensional picture, the drawn line is also two-dimensional, the actual scene is three-dimensional, the picture acquired by the camera is a mapping from a three-dimensional space to a two-dimensional space, and therefore, how to mark-out is a professional and complex process, and the marking-out must be performed by professionals of manufacturers, so that the implementation, field debugging and maintenance are difficult, and therefore, an automatic marking-out device for counting passenger flows based on face recognition needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic marking device for carrying out passenger flow count based on face identification.

To achieve the purpose, the utility model adopts the following technical proposal:

the automatic scribing device comprises a foundation, a passage opening, a personnel display board, a controller, a support frame and an automatic scribing mechanism, wherein the passage opening is positioned on one side of the foundation, the personnel display board is fixedly arranged on the foundation close to one side of the passage opening, the controller is fixedly arranged on one side of the support frame, the support frame is fixedly arranged at one end of the foundation far away from the passage opening, and a plurality of parallel V-shaped stripes are arranged on the personnel display board; the automatic scribing mechanism is arranged at the top of the support frame and comprises a carrying plate, a camera shooting assembly, an edge computer equipment acquisition module and an automatic scribing module, one end of the carrying plate is arranged on the support frame, the camera shooting assembly, the edge computer equipment acquisition module and the automatic scribing module are all positioned on the carrying plate, the camera shooting assembly is arranged at the edge of the carrying plate between the edge computer equipment acquisition module and the automatic scribing module, and the controller is electrically connected with the camera shooting assembly, the edge computer equipment acquisition module and the automatic scribing module; the support frame is close to and takes support plate one side to be equipped with slider and bar groove, the fixed twice slide rail that is equipped with of bar inslot wall bilateral symmetry, the slider is located the bar inslot, and the both sides and twice slide rail sliding connection of slider, take support plate one end to pass through screw and slider fixed connection, the support frame top is equipped with the slide and dodges the groove, and the fixed handle that is equipped with in slide top, the slide is located and dodges the inslot, and the slide is through dodging groove and support frame sliding connection, it is equipped with two gag lever posts to dodge one side that the groove is close to the bar groove, two gag lever posts symmetry are fixed to be set up in the support frame top.

Furthermore, the camera shooting assembly comprises a rotating disc, a supporting guide pillar, a telescopic rod, an adjusting knob, a fixing frame, a camera and a pair of hinge blocks, the rotating disc is fixedly arranged on the carrying plate, an annular slide way is arranged at the top of the rotating disc, the supporting guide pillar is arranged at the top of the rotating disc and is rotatably connected with the rotating disc through the slide way, and the pair of hinge blocks is symmetrically and fixedly arranged at the top of the supporting guide pillar.

Further, the telescopic link comprises the interior pole of outer pole and cover in locating the outer pole, outer pole inner wall top is equipped with the twice spout, interior pole passes through twice spout and outer pole sliding connection, the outer pole top is equipped with the bolt, interior pole top is equipped with a plurality of spacing holes, and the bolt is fixed in the outer pole through spacing hole with interior pole, the one end of outer pole is located between a pair of articulated piece, adjust knob inserts and locates on outer pole and a pair of articulated piece, adjust knob rotates with a pair of articulated piece to be connected, and adjust knob and outer pole meshing are connected, the fixed one end that sets up in interior pole of mount, the camera is fixed to be set up on the mount, and the camera is electric connection with the controller.

Further, edge computer equipment acquisition module includes information collecting board and a pair of guide block, information collecting board and a pair of guide block all fixed set up on the board of taking up, and a pair of guide block symmetry sets up in information collecting board both sides, information collecting board and controller are electric connection.

Furthermore, the automatic marking module comprises a bottom plate and a marking display, the bottom plate is fixedly arranged on the carrying plate, the marking display is fixedly arranged on the bottom plate, a self-setting preset switch and an automatic display screen are arranged on the marking display, and the controller is electrically connected with the marking display.

By above the technical scheme of the utility model, the beneficial effects of the utility model reside in that:

firstly, adjusting a carrying plate to a proper height through a sliding block, fixedly installing a camera on a fixed frame, then placing a personnel display plate on a foundation close to a passage opening, driving a telescopic rod to rotate through an adjusting knob, adjusting the position of the camera to enable the camera to be aligned with the passage opening, and then adjusting a supporting guide post to rotate in a rotating disc, so that the horizontal angle and the position of the camera are adjusted, and the head portrait of the face on the personnel display plate is ensured to be in the middle of the camera;

simultaneously, stretching the inner rod to adjust the focusing length of the camera, inserting a bolt by utilizing a limiting hole on the inner rod to fix the inner rod on the outer rod, operating a controller to respectively start the camera, an edge computer equipment acquisition module and an automatic scribing module, identifying the face on a personnel display board in the picture by the edge computer equipment acquisition module through an AI algorithm, storing the face size, the face central point and the position, transmitting the input information to a scribing display to be displayed on an automatic display screen, and acquiring a snapshot base map by the scribing display, wherein the face center in the base map is used as an inlet yellow line central point; based on the distance between the stretched blue line and the yellow line by one head, the width of the quadrangle is set to be the width of the picture, a self-set preset switch is operated, the fact that the line drawing display automatically and continuously identifies the input information of the edge computer equipment acquisition module is guaranteed, and the passenger flow is stored and counted.

The utility model discloses a controller and preset by oneself, at the automatic line of during operation system to passenger flow count and information acquisition, save and simplified implementation personnel's configuration and later maintenance work.

Drawings

Fig. 1 is a schematic structural view of the automatic marking device for counting passenger flow based on face recognition of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the automatic line marking mechanism of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the supporting frame of the present invention;

fig. 4 is a schematic view of the camera module according to the present invention;

FIG. 5 is a schematic view of the three-dimensional structure of the edge computer device acquisition module of the present invention;

fig. 6 is a schematic perspective view of the automatic scribing module of the present invention;

fig. 7 is a schematic view of the support frame of the present invention;

fig. 8 is a schematic view of a three-dimensional structure of the exhibition board of the present invention;

FIG. 9 is an enlarged schematic view at A of FIG. 4;

FIG. 10 is an enlarged schematic view at B of FIG. 7;

fig. 11 is a schematic drawing of the line on the personnel display board of the present invention;

in the figure: the device comprises a foundation 1, a passage opening 2, a personnel display board 3, a V-shaped stripe 30, a controller 4, a support frame 5, a sliding block 50, a strip-shaped groove 51, a sliding rail 52, a sliding plate 53, an avoiding groove 54, a handle 55, a limiting rod 56, an automatic marking mechanism 6, a carrying board 60, a camera assembly 61, a rotating disc 610, a support guide post 611, a telescopic rod 612, an outer rod 6120, an inner rod 6121, a sliding groove 6122, a bolt 6123, a limiting hole 6124, an adjusting knob 613, a fixing frame 614, a camera 615, a hinge block 616, an edge computer equipment acquisition module 62, an information collection board 620, a guide block 621, an automatic marking module 63, a bottom board 630, a marking display 631, a self-setting preset switch 632 and an automatic display screen 633.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The drawings are for illustrative purposes only and are not necessarily to scale, and are not intended to be limiting. For a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 10, an automatic line drawing device for counting passenger flows based on face recognition according to an exemplary embodiment of the present invention is generally installed on a foundation 1 and an access opening 2 at a predetermined place (e.g., a position of an access passage in a shop). The automatic scribing apparatus as an example includes a people display board 3, a controller 4, a support frame 5, and an automatic scribing mechanism 6.

The access opening 2 is located one side of foundation 1, and personnel panel 3 is fixed to be set up on being close to foundation 1 of access opening 2 one side, and controller 4 is fixed to be set up in one side of support frame 5, and support frame 5 is fixed to be set up in the 1 one end of foundation of keeping away from access opening 2.

The automatic marking mechanism 6 is arranged on the top of the support frame 5. Optionally, the automatic scribing mechanism 6 includes a carrying plate 60, a camera module 61, an edge computing device collecting module 62 and an automatic scribing module 63, one end of the carrying plate 60 is disposed on the support frame 5, the camera module 61, the edge computing device collecting module 62 and the automatic scribing module 63 are all located on the carrying plate 60, the camera module 61 is disposed at the edge of the carrying plate 60 between the edge computing device collecting module 62 and the automatic scribing module 63, and the controller 4 is electrically connected to the camera module 61, the edge computing device collecting module 62 and the automatic scribing module 63.

The camera module 61 includes a rotating disc 610, a supporting guide post 611, a telescopic rod 612, an adjusting knob 613, a fixing frame 614, a camera 615 and a pair of hinge blocks 616, the rotating disc 610 is fixedly disposed on the carrying plate 60, an annular slide is disposed at the top of the rotating disc 610, the supporting guide post 611 is rotatably connected with the rotating disc 610 through the slide, and the pair of hinge blocks 616 is symmetrically and fixedly disposed at the top of the supporting guide post 611.

Preferably, the telescopic rod 612 is composed of an outer rod 6120 and an inner rod 6121 sleeved in the outer rod 6120, two sliding grooves 6122 are formed in the top of the inner wall of the outer rod 6120, the inner rod 6121 is slidably connected with the outer rod 6120 through the two sliding grooves 6122, a bolt 6123 is formed in the top of the outer rod 6120, a plurality of limiting holes 6124 are formed in the top of the inner rod 6121, the bolt 6123 fixes the inner rod 6121 in the outer rod 6120 through the limiting holes 6124, and one end of the outer rod 6120 is located between the pair of hinge blocks 616.

The adjusting knob 613 is inserted into the outer rod 6120 and the pair of hinge blocks 616, the adjusting knob 613 is rotatably connected to the pair of hinge blocks 616, the adjusting knob 613 is engaged with the outer rod 6120, and the fixing frame 614 is fixedly disposed at one end of the inner rod 6121.

Wherein, the camera 615 is fixedly disposed on the fixing frame 614, the camera 615 is electrically connected to the controller 4, the camera 615 is fixedly disposed on the fixing frame 614, one end of the fixing frame 614 is fixedly connected to the telescopic rod 612, because the adjusting knob 613 is respectively connected to the pair of hinge blocks 616 and the telescopic rod 612 in a rotating and engaging manner, the adjusting knob 613 drives the telescopic rod 612 to rotate and adjust, and further drives the camera 615 to rotate and adjust, the manual rotation of the supporting guide pillar 611 rotates in the rotating disc 610, the supporting guide pillar 611 drives the pair of hinge blocks 616 to rotate, the pair of hinge blocks 616 drives the telescopic rod 612 to rotate, and further the telescopic rod 612 drives the fixing frame 614 and the camera 615 to rotate, thereby adjusting the horizontal position and the angle of the camera 615, the focusing length of the camera 615 can be extended by stretching the inner rod 6121, the pin 6123 is inserted into the corresponding limiting hole inner rod 6124, so, the limiting function is achieved.

Preferably, the edge pc device collecting module 62 includes an information collecting board 620 and a pair of guide blocks 621, the information collecting board 620 and the pair of guide blocks 621 are both fixedly disposed on the carrying board 60, the pair of guide blocks 621 are symmetrically disposed on two sides of the information collecting board 620, and the information collecting board 620 is electrically connected to the controller 4.

Preferably, the automatic scribing module 63 includes a bottom plate 630 and a scribing display 631, the bottom plate 630 is fixedly disposed on the mounting plate 60, the scribing display 631 is fixedly disposed on the bottom plate 630, a preset switch 632 and an automatic display screen 633 are disposed on the scribing display 631, and the controller 4 is electrically connected to the scribing display 631.

As shown in fig. 11, as the control controller 4 activates the camera 615, the edge computer equipment acquisition module 62 and the automated line drawing module 63, the edge computer device capture module 62 captures the pictures taken by the camera 615, the human face on the display board 3 in the photo is identified by an AI algorithm, the size of the human face, the central point and the position of the human face are saved, this input information is then passed to the scribe display 631 for presentation on the automated display screen 633, therefore, the scribing display 631 acquires a snapshot base map, the center of the face in the base map serves as the center point of the yellow line of the entrance, the width of the quadrangle is set to be the width of the picture based on the distance between the stretching blue line and the head of the person from the yellow line, the self-setting preset switch 632 is operated, the fact that the scribing display 631 automatically and continuously identifies the input information of the edge computer equipment acquisition module 62 is guaranteed, and therefore the purposes of storing information and counting passenger flows are achieved.

The utility model discloses the aforesaid AI algorithm of using can realize based on prior art's recognition algorithm, for example based on OpenCV's face monitoring and positioning algorithm realization. Of course, other open source algorithm implementations may also be based in alternative implementations.

Preferably, the people panel 3 is provided with a plurality of V-shaped stripes 30. In particular, a plurality of V-shaped stripes 30 are present, which are distributed periodically and parallel to each other, so that by the arrangement of the V-shaped stripes 30, on the one hand, the friction between the person and the display board 3 is increased, and on the other hand, an incoming feedback sensation is provided.

The support frame 5 is provided with a slide block 50 and a strip-shaped groove 51 near one side of the carrying plate 60, two slide rails 52 are symmetrically and fixedly arranged on two sides of the inner wall of the strip-shaped groove 51, the slide block 50 is positioned in the strip-shaped groove 51, and two sides of the slide block 50 are slidably connected with the two slide rails 52.

One end of the carrying plate 60 is fixedly connected with the sliding block 50 through a screw, the top of the support frame 5 is provided with a sliding plate 53 and an avoiding groove 54, the top of the sliding plate 53 is fixedly provided with a handle 55, the sliding plate 53 is positioned in the avoiding groove 54, the sliding plate 53 is in sliding connection with the support frame 5 through the avoiding groove 54, and one side of the avoiding groove 54 close to the strip-shaped groove 51 is provided with two limiting rods 56.

The two limit rods 56 are symmetrically and fixedly arranged at the top of the support frame 5.

The slide block 50 is connected with the support frame 5 in a sliding way through two slide rails 52 in the strip-shaped groove 51, and the carrying plate 60 is fixedly connected with the slide block 50, so that the height of the carrying plate 60 can be adjusted through the movement of the slide block 50, and the height of the automatic marking mechanism 6 can be adjusted.

The slide plate 53 is slid in the escape groove 54 by the handle 55, so that the mounting plate 60 is removed to facilitate inspection and replacement of the automatic scribing mechanism 6.

In this way, in connection with the examples shown in fig. 1, 2 and 11, in the implementation process, with the automatic line drawing device described above, the automatic counting of the passenger flow is performed during the use process through the following processes:

the method comprises the following steps: adjusting the carrying plate 60 to a proper height through the slide block 50, installing a camera 615, and installing the camera 615 on the fixing frame 614 so that the camera 615 is aligned with the passage port 2;

step two: placing the prepared staff exhibition board 3 on the foundation 1 close to the passage opening 2, operating the adjusting knob 613 to rotate in the pair of hinge blocks 616, so that the telescopic rod 612, the fixed frame 614 and the camera 615 are in a straight line and obliquely downward, enabling the face on the staff exhibition board 3 to face the camera 615, adjusting the horizontal angle and the position of the camera 615 by rotating the support guide pillar 611, extending the inner rod 6121 by a proper focusing length, inserting the bolt 6123 into the limiting hole 6124, ensuring that the inner rod 6121 is fixed on the outer rod 6120, and ensuring that the head image of the face on the staff exhibition board 3 is in the middle of the camera 615 by the adjusting knob 613;

step three: the camera 615, the edge computer equipment acquisition module 62 and the automatic line drawing module 63 are started through the controller 4, the picture shot by the camera 615 and acquired by the edge computer equipment acquisition module 62 is recognized by an AI algorithm, and the face size, the face center point and the position of the face on the display board 3 are stored;

step four: the edge computer device acquisition module 62 inputs the stored face size, face center point and position information to the line drawing display 631, so that the line drawing display 631 acquires a snapshot base map, the face center in the base map is used as an entrance yellow line center point, the width of a quadrangle is set to the width of a picture based on the distance of a stretched blue line from the yellow line by one head, a preset switch 632 is operated and set automatically, it is ensured that the line drawing display 631 automatically identifies the input information of the edge computer device acquisition module 62 to be displayed on the automatic display screen 633, and passenger flow is stored and counted.

So, through the utility model discloses an above-mentioned automatic marking off logic of arranging and realizing lets ordinary maintainer and user all can oneself accomplish the operation, has not only saved maintenance and problem processing cost that the inaccurate bringing of fortune dimension marking off, can also be when carrying out the passenger flow count, can gather customer's photo simultaneously, can provide data for customer's analysis.

Claims (5)

1. The utility model provides an automatic marking device for carrying out passenger flow count based on face identification arranges in ground (1) and passway (2) position in predetermineeing the place, its characterized in that, automatic marking device include personnel panel (3), controller (4), support frame (5) and automatic marking mechanism (6), wherein:

the passage opening (2) is positioned at one side of the foundation (1), the personnel display board (3) is fixedly arranged on the foundation (1) close to one side of the passage opening (2), the controller (4) is fixedly arranged at one side of the support frame (5), and the support frame (5) is fixedly arranged at one end of the foundation (1) far away from the passage opening (2);

a plurality of V-shaped stripes (30) which are periodically distributed and are parallel to each other are arranged on the personnel display board (3);

the automatic marking mechanism (6) is arranged at the top of the support frame (5);

the automatic scribing mechanism (6) comprises a carrying plate (60), a camera shooting assembly (61), an edge computer equipment acquisition module (62) and an automatic scribing module (63), one end of the carrying plate (60) is arranged on the supporting frame (5), the camera shooting assembly (61), the edge computer equipment acquisition module (62) and the automatic scribing module (63) are all located on the carrying plate (60), the camera shooting assembly (61) is arranged on the edge of the carrying plate (60) between the edge computer equipment acquisition module (62) and the automatic scribing module (63), and the controller (4) is electrically connected with the camera shooting assembly (61), the edge computer equipment acquisition module (62) and the automatic scribing module (63);

a sliding block (50) and a strip-shaped groove (51) are arranged on one side, close to a carrying plate (60), of the support frame (5), two sliding rails (52) are symmetrically and fixedly arranged on two sides of the inner wall of the strip-shaped groove (51), the sliding block (50) is located in the strip-shaped groove (51), two sides of the sliding block (50) are slidably connected with the two sliding rails (52), and one end of the carrying plate (60) is fixedly connected with the sliding block (50);

support frame (5) top is equipped with slide (53) and dodges groove (54), and slide (53) top is fixed to be equipped with handle (55), slide (53) are located and dodge groove (54), and slide (53) through dodging groove (54) and support frame (5) sliding connection, it is equipped with two gag lever posts (56) to dodge one side that groove (54) are close to bar groove (51), two gag lever posts (56) symmetry are fixed to be set up in support frame (5) top.

2. The automatic streaking device for passenger flow counting based on face recognition according to claim 1, wherein the camera assembly (61) comprises a rotating disc (610), a support guide post (611), a telescopic rod (612), an adjusting knob (613), a fixed mount (614), a camera (615) and a pair of hinged blocks (616), wherein:

the rotary disc (610) is fixedly arranged on the carrying plate (60), an annular slide way is arranged at the top of the rotary disc (610), the support guide columns (611) are rotatably connected with the rotary disc (610) through the slide way, and the pair of hinge blocks (616) are symmetrically and fixedly arranged at the tops of the support guide columns (611).

3. The automatic marking device for counting passenger flows based on face recognition according to claim 2, wherein the telescopic rod (612) is composed of an outer rod (6120) and an inner rod (6121) sleeved in the outer rod (6120), the top of the inner wall of the outer rod (6120) is provided with two sliding grooves (6122), the inner rod (6121) is connected with the outer rod (6120) in a sliding manner through the two sliding grooves (6122), the top of the outer rod (6120) is provided with a bolt (6123), the top of the inner rod (6121) is provided with a plurality of limiting holes (6124), the bolt (6123) fixes the inner rod (6121) in the outer rod (6120) through the limiting holes (6124), one end of the outer rod (6120) is located between the pair of hinged blocks (616), the adjusting knob (613) is inserted in the outer rod (6120) and the pair of hinged blocks (616), and the adjusting knob (613) is rotatably connected with the pair of hinged blocks (616), the adjusting knob (613) is meshed with the outer rod (6120), the fixing frame (614) is fixedly arranged at one end of the inner rod (6121), the camera (615) is fixedly arranged on the fixing frame (614), and the camera (615) is electrically connected with the controller (4).

4. The automated line striping apparatus for counting passenger flows based on face recognition as claimed in claim 3, wherein the edge computer device capture module (62) comprises an information collection board (620) and a pair of guide blocks (621), wherein: the information collecting board (620) and the pair of guide blocks (621) are fixedly arranged on the carrying board (60), the pair of guide blocks (621) are symmetrically arranged on two sides of the information collecting board (620), and the information collecting board (620) is electrically connected with the controller (4).

5. The automatic lineation device for passenger flow counting based on face recognition is characterized in that the automatic lineation module (63) comprises a bottom plate (630) and a lineation display (631), the bottom plate (630) is fixedly arranged on the carrying plate (60), the lineation display (631) is fixedly arranged on the bottom plate (630), a self-set preset switch (632) and an automatic display screen (633) are arranged on the lineation display (631), and the controller (4) is electrically connected with the lineation display (631).

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