Vehicle and pedestrian target recognition device and method

Abstract

The invention belongs to the technical field of recognition, and particularly relates to a vehicle and pedestrian target recognition device and a method thereof.The vehicle and pedestrian target recognition device comprises a bottom plate, a first connecting plate, a second connecting plate and a third connecting plate which are sequentially arranged from bottom to top, a camera is fixedly installed at the top of the third connecting plate, and a lifting assembly is arranged between the bottom plate and the first connecting plate; a first connecting plate is arranged between the first connecting plate and the second connecting plate so that the height of the camera can be adjusted, a rotating assembly is arranged between the first connecting plate and the second connecting plate so that the orientation of the camera can be adjusted, and an inclined assembly is arranged between the second connecting plate and the third connecting plate so that the angle of the camera can be adjusted. According to the invention, when vehicle and pedestrian target identification is carried out, the position of the camera can be correspondingly adjusted according to the positions of the vehicle and the pedestrian, so that the shooting range of the camera can be expanded.

Description

Technical Field

[0001] The present invention relates to the field of recognition technology, and in particular to a vehicle and pedestrian target recognition device and method. Background Art

[0002] Vehicle and pedestrian target recognition device is a key component of intelligent transportation system. It integrates a variety of advanced technologies and can accurately identify vehicles and pedestrians on the road in real time, providing important support for traffic safety and traffic management.

[0003] In the existing vehicle and pedestrian target recognition device, a camera is used to shoot vehicles and pedestrians, and the image processing algorithm is used to recognize the vehicles and pedestrians in the image. However, the position of the camera in the vehicle and pedestrian target recognition device is usually fixed, such as in a channel gate. As a result, when the recognition position of the vehicle deviates, the driver needs to adjust the position of the vehicle, which is inconvenient. Therefore, a vehicle and pedestrian target recognition device and method are invented. Summary of the invention

[0004] To solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0005] A vehicle and pedestrian target recognition device includes a base plate, a first connecting plate, a second connecting plate and a third connecting plate which are arranged in sequence from bottom to top, a camera is fixedly installed on the top of the third connecting plate, a lifting component is provided between the base plate and the first connecting plate to be able to adjust the height of the camera, a rotating component is provided between the first connecting plate and the second connecting plate to be able to adjust the direction of the camera, and a tilting component is provided between the second connecting plate and the third connecting plate to be able to adjust the angle of the camera.

[0006] As a preferred solution of the vehicle and pedestrian target recognition device of the present invention, the lifting assembly includes:

[0007] A support plate, wherein the opposite ends of the bottom plate and the first connecting plate are fixedly mounted with the support plate;

[0008] Square plates, with square plates fixedly mounted on both sides of the opposite ends of the two groups of support plates;

[0009] A screw rod, the screw rod is rotatably connected between the two sets of square plates through a bearing, and the thread directions of the two ends of the screw rod are set to be opposite starting from the middle;

[0010] A slider, both ends of the screw rod are threadedly connected to the slider;

[0011] X-shaped rods, a plurality of X-shaped rods are provided between the four groups of sliders;

[0012] A guide rod, wherein the guide rod is fixedly installed between the two sets of square plates, and the slider is slidably connected to the guide rod;

[0013] A first servo motor is fixedly mounted on a set of square plates, and an output shaft of the first servo motor is fixedly connected to a screw rod.

[0014] As a preferred solution of the vehicle and pedestrian target recognition device described in the present invention, the X-shaped rod is composed of two groups of movable rods arranged in an X shape, and the middle parts of the two groups of movable rods are rotatably connected together, the ends of the movable rods are rotatably connected to the slider, and the upper and lower groups of movable rods are rotatably connected together.

[0015] As a preferred solution of the vehicle and pedestrian target recognition device of the present invention, the lifting assembly further comprises:

[0016] A protection component, wherein the protection component is arranged between the bottom plate and the first connecting plate;

[0017] The protection component comprises:

[0018] A plurality of hollow square tubes, wherein the plurality of hollow square tubes are sequentially sleeved together from the inside to the outside, the hollow square tubes located at the bottom are fixedly mounted on the top of the bottom plate, and the hollow square tubes located at the top are fixedly mounted on the bottom of the first connecting plate;

[0019] A chute, wherein the inner cavity of the hollow square tube is provided with a chute;

[0020] A limiting column is fixedly installed on the outer side of the hollow square tube, and the limiting column is slidably connected in the sliding groove.

[0021] As a preferred solution of the vehicle and pedestrian target recognition device of the present invention, the rotating assembly includes:

[0022] A second servo motor, wherein the second servo motor is fixedly mounted on the top of the first connecting plate, and an output shaft of the second servo motor is fixedly mounted on the second connecting plate;

[0023] The hollow tube is fixedly mounted on the top of the first connecting plate, and the hollow tube is in contact with the second connecting plate.

[0024] As a preferred solution of the vehicle and pedestrian target recognition device of the present invention, the tilting component includes:

[0025] Side plates, both ends of the top of the second connecting plate are fixedly mounted with side plates;

[0026] A rotating shaft, the rotating shaft being rotatably connected between the two sets of side plates through a bearing;

[0027] A movable block, wherein the movable block is fixedly mounted on the rotating shaft, and a third connecting plate is fixedly mounted on the top of the movable block;

[0028] The third servo motor is fixedly mounted on a set of side plates, and the output shaft of the third servo motor is fixedly connected to the rotating shaft.

[0029] As a preferred solution of the vehicle and pedestrian target recognition device described in the present invention, a transparent cover is fixedly installed on the top of the third connecting plate, and the camera is located in the inner cavity of the transparent cover.

[0030] As a preferred solution of the vehicle and pedestrian target recognition device of the present invention, wherein: a cleaning component for cleaning the transparent cover is provided on the top of the second connecting plate;

[0031] The cleaning component comprises:

[0032] A load-bearing plate, wherein the top of the second connecting plate is fixedly mounted with the load-bearing plate via a support rod;

[0033] A box body, wherein the box body is fixedly mounted on the top of the carrying plate;

[0034] A cylinder, wherein the cylinder is fixedly installed in the box body;

[0035] A spherical cover, wherein the piston rod of the cylinder is fixedly mounted on the spherical cover through a connecting block, and the spherical cover is located directly above the transparent cover;

[0036] A sponge is fixedly mounted in the inner cavity of the spherical cover;

[0037] A flow slot, wherein the flow slot is provided in the spherical cover;

[0038] Water holes: a plurality of water holes are provided on the spherical cover between the sponge and the flow groove.

[0039] As a preferred solution of the vehicle and pedestrian target recognition device of the present invention, the cleaning component further comprises:

[0040] Its inner cavity is provided with a water tank, and the water tank is fixedly mounted on the top of the bearing plate;

[0041] A water pump, the water pump being fixedly mounted on the top of the bearing plate;

[0042] A pipeline, wherein the pipeline is fixedly installed on the liquid inlet end of the water pump, and one end of the pipeline is arranged in the water tank;

[0043] The hose is fixedly mounted on the liquid outlet end of the water pump, and one end of the hose is arranged in the flow groove.

[0044] The vehicle and pedestrian target recognition method includes the following specific steps:

[0045] Step 1: The screw is rotated by the first servo motor. When the screw rotates, the two sets of sliders move in opposite directions until the camera is at a suitable height. Then, the camera is rotated with the second servo motor as the center point by the second servo motor. At the same time, the camera is rotated with the shaft as the center point by the third servo motor until the camera is at a suitable angle. At this point, the position of the camera can be adjusted.

[0046] Step 2: After adjusting the position of the camera, the vehicle or pedestrian will be photographed by the camera, and after photographing, the vehicle and pedestrian in the image will be identified through the image processing algorithm;

[0047] Step 3: When there is dust on the transparent cover, the spherical cover will be covered on the transparent cover through the cylinder, and then the water in the water tank will flow into the sponge and the transparent cover through the water pump. At this time, the transparent cover will be rotated through the rotating assembly, so that the transparent cover can be cleaned to ensure the clarity of the camera's shooting.

[0048] Compared with existing technologies:

[0049] 1. By arranging a lifting assembly between the bottom plate and the first connecting plate, by arranging a rotating assembly between the first connecting plate and the second connecting plate, and by arranging a tilting assembly between the second connecting plate and the third connecting plate, the position of the camera can be adjusted accordingly according to the position of the vehicle and the pedestrian when identifying the vehicle and the pedestrian, thereby expanding the shooting range of the camera; in addition, the protective assembly can protect the lifting assembly, thereby improving the service life of the lifting assembly to a certain extent;

[0050] 2. By setting a transparent cover to cover the camera, the camera can be protected when performing vehicle and pedestrian target recognition, thereby increasing the service life of the camera to a certain extent; in addition, by setting a cleaning component, the transparent cover can be cleaned when there is dust and other impurities on the transparent cover. By cleaning the transparent cover, the cleanliness of the transparent cover can be ensured to avoid affecting the shooting effect of the camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 It is a front view schematic diagram of the structure of the present invention;

[0052] Figure 2 For the present invention Figure 1 A schematic diagram of the structure enlargement in the middle;

[0053] Figure 3 It is a front view schematic diagram of the lifting assembly of the present invention;

[0054] Figure 4 It is a side view schematic diagram of the lifting assembly of the present invention;

[0055] Figure 5 It is a schematic diagram of the structure of the second connecting plate, the supporting rod and the bearing plate of the present invention;

[0056] Figure 6 It is a top view schematic diagram of the protection component of the present invention;

[0057] Figure 7 It is a schematic diagram of the X-shaped rod structure of the present invention.

[0058] In the figure: bottom plate 10, first connecting plate 11, second connecting plate 12, third connecting plate 13, camera 14, transparent cover 15, support plate 20, square plate 21, screw 22, slider 23, X-shaped rod 24, guide rod 25, first servo motor 26, hollow square tube 30, slide groove 31, limit column 32, second servo motor 40, hollow tube 41, side plate 50, rotating shaft 51, movable block 52, third servo motor 53, support rod 60, bearing plate 61, box body 62, cylinder 63, spherical cover 64, sponge 65, circulation groove 66, water hole 67, water tank 68, water pump 69, pipeline 691, hose 692. DETAILED DESCRIPTION

[0059] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0060] The present invention provides a vehicle and pedestrian target recognition device, please refer to Figure 1-Figure 7 , including a bottom plate 10, a first connecting plate 11, a second connecting plate 12 and a third connecting plate 13 which are arranged in sequence from bottom to top, a camera 14 is fixedly installed on the top of the third connecting plate 13, a lifting component is provided between the bottom plate 10 and the first connecting plate 11 to be able to adjust the height of the camera 14, a rotating component is provided between the first connecting plate 11 and the second connecting plate 12 to be able to adjust the direction of the camera 14, and a tilting component is provided between the second connecting plate 12 and the third connecting plate 13 to be able to adjust the angle of the camera 14.

[0061] The lifting assembly includes: a support plate 20, a square plate 21, a screw rod 22, a slider 23, an X-shaped rod 24, a guide rod 25, and a first servo motor 26;

[0062] The opposite ends of the bottom plate 10 and the first connecting plate 11 are fixedly mounted with support plates 20, and the opposite ends of the two groups of support plates 20 are fixedly mounted with square plates 21 on both sides, the screw rod 22 is rotatably connected between the two groups of square plates 21 through a bearing, and the thread directions of the two ends of the screw rod 22 are set to be opposite from the middle, and the two ends of the screw rod 22 are threadedly connected to the slider 23, and a plurality of X-shaped rods 24 are arranged between the four groups of sliders 23, the guide rod 25 is fixedly mounted between the two groups of square plates 21, and the slider 23 is slidably connected to the guide rod 25, the first servo motor 26 is fixedly mounted on one group of square plates 21, and the output shaft of the first servo motor 26 is fixedly connected to the screw rod 22, the X-shaped rod 24 is composed of two groups of movable rods arranged in an X shape, and the middle parts of the two groups of movable rods are rotatably connected together, the ends of the movable rods are rotatably connected to the slider 23, and the upper and lower groups of movable rods are rotatably connected together.

[0063] The lifting assembly further includes: a protection assembly, which is arranged between the bottom plate 10 and the first connecting plate 11;

[0064] The protection assembly includes: a plurality of hollow square tubes 30, a slide groove 31, and a limit column 32;

[0065] A plurality of hollow square tubes 30 are nested together in sequence from the inside to the outside. The hollow square tube 30 located at the bottom is fixedly installed on the top of the base plate 10, and the hollow square tube 30 located at the top is fixedly installed on the bottom of the first connecting plate 11. A slide groove 31 is opened in the inner cavity of the hollow square tube 30, and a limit column 32 is fixedly installed on the outer side of the hollow square tube 30, and the limit column 32 is slidably connected in the slide groove 31; wherein, heat dissipation holes and wire holes can be opened at the top of the upper hollow square tube 30 as needed.

[0066] The rotating assembly includes: a second servo motor 40 and a hollow tube 41;

[0067] The second servo motor 40 is fixedly mounted on the top of the first connecting plate 11, and the output shaft of the second servo motor 40 is fixedly mounted on the second connecting plate 12, the hollow tube 41 is fixedly mounted on the top of the first connecting plate 11, and the hollow tube 41 is in contact with the second connecting plate 12; wherein, heat dissipation holes and wire holes can be opened on the side wall of the hollow tube 41 as required.

[0068] The tilting assembly includes: a side plate 50, a rotating shaft 51, a movable block 52, and a third servo motor 53;

[0069] The side plates 50 are fixedly installed at both ends of the top of the second connecting plate 12, the rotating shaft 51 is rotatably connected between the two sets of side plates 50 through bearings, the movable block 52 is fixedly installed on the rotating shaft 51, and the third connecting plate 13 is fixedly installed on the top of the movable block 52, the third servo motor 53 is fixedly installed on a set of side plates 50, and the output shaft of the third servo motor 53 is fixedly connected to the rotating shaft 51.

[0070] A transparent cover 15 is fixedly mounted on the top of the third connecting plate 13 , and the camera 14 is located in the inner cavity of the transparent cover 15 ; heat dissipation holes and wire holes can be opened on the third connecting plate 13 according to requirements.

[0071] A cleaning assembly for cleaning the transparent cover 15 is provided on the top of the second connecting plate 12;

[0072] The cleaning assembly includes: a support rod 60, a carrying plate 61, a box body 62, a cylinder 63, a spherical cover 64, a sponge 65, a flow slot 66, a water hole 67, a water tank 68 with water in its inner cavity, a water pump 69, a pipe 691, and a hose 692;

[0073] The top of the second connecting plate 12 is fixedly mounted on the supporting plate 61 through the supporting rod 60, the box body 62 is fixedly mounted on the top of the supporting plate 61, the cylinder 63 is fixedly mounted in the box body 62, the piston rod of the cylinder 63 is fixedly mounted on the spherical cover 64 through the connecting block, and the spherical cover 64 is located directly above the transparent cover 15, the inner cavity of the spherical cover 64 is fixedly mounted with a sponge 65, a circulation groove 66 is opened in the spherical cover 64, and a plurality of water holes 67 are opened on the spherical cover 64 located between the sponge 65 and the circulation groove 66, the water tank 68 is fixedly mounted on the top of the supporting plate 61, the water pump 69 is fixedly mounted on the top of the supporting plate 61, the pipe 691 is fixedly mounted on the liquid inlet end of the water pump 69, and one end of the pipe 691 is arranged in the water tank 68, the hose 692 is fixedly mounted on the liquid outlet end of the water pump 69, and one end of the hose 692 is arranged in the circulation groove 66, and the length of the hose 692 can be set according to demand.

[0074] The vehicle and pedestrian target recognition method includes the following specific steps:

[0075] Step 1: The screw 22 is rotated by the first servo motor 26. When the screw 22 rotates, the two sets of sliders 23 move in opposite directions until the camera 14 is at a suitable height. Then, the camera 14 is rotated with the second servo motor 40 as the center point by the second servo motor 40. At the same time, the camera 14 is rotated with the rotating shaft 51 as the center point by the third servo motor 53 until the camera 14 is at a suitable angle. At this point, the position of the camera 14 can be adjusted.

[0076] Step 2: After adjusting the position of the camera 14, the camera 14 will take a picture of the vehicle or pedestrian, and after taking the picture, the image processing algorithm will be used to identify the vehicle and pedestrian in the image;

[0077] Step three: When there is dust on the transparent cover 15, the spherical cover 64 will be covered on the transparent cover 15 through the cylinder 63, and then the water in the water tank 68 will flow into the sponge 65 and the transparent cover 15 through the water pump 69. At this time, the transparent cover 15 will be rotated by the rotating component, so that the transparent cover 15 can be cleaned to ensure the shooting clarity of the camera 14.

[0078] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A vehicle and pedestrian target recognition device, comprising a bottom plate (10), a first connecting plate (11), a second connecting plate (12) and a third connecting plate (13) arranged in sequence from bottom to top, wherein a camera (14) is fixedly mounted on the top of the third connecting plate (13), characterized in that: A lifting assembly is provided between the bottom plate (10) and the first connecting plate (11) so as to adjust the height of the camera (14); a rotating assembly is provided between the first connecting plate (11) and the second connecting plate (12) so as to adjust the orientation of the camera (14); and a tilting assembly is provided between the second connecting plate (12) and the third connecting plate (13) so as to adjust the angle of the camera (14).

2. The vehicle and pedestrian target recognition device according to claim 1, characterized in that: The lifting assembly comprises: A support plate (20), the support plates (20) being fixedly mounted on opposite ends of the base plate (10) and the first connecting plate (11); Square plates (21), the square plates (21) being fixedly mounted on both sides of the opposite ends of the two groups of support plates (20); A screw rod (22), wherein the screw rod (22) is rotatably connected between the two sets of square plates (21) via a bearing, and the thread directions of the two ends of the screw rod (22) are arranged to be opposite from the middle; A slider (23), both ends of the screw rod (22) are threadedly connected to the slider (23); X-shaped rods (24), a plurality of X-shaped rods (24) are provided between the four groups of sliders (23); A guide rod (25), wherein the guide rod (25) is fixedly installed between the two sets of square plates (21), and the slider (23) is slidably connected to the guide rod (25); A first servo motor (26), wherein the first servo motor (26) is fixedly mounted on a set of square plates (21), and an output shaft of the first servo motor (26) is fixedly connected to the screw rod (22).

3. The vehicle and pedestrian target recognition device according to claim 2, characterized in that: The X-shaped rod (24) is composed of two groups of movable rods arranged in an X shape, and the middle parts of the two groups of movable rods are rotatably connected together, the ends of the movable rods are rotatably connected to the slider (23), and the upper and lower groups of movable rods are rotatably connected together.

4. The vehicle and pedestrian target recognition device according to claim 3, characterized in that: The lifting assembly also includes: A protection component, the protection component is arranged between the bottom plate (10) and the first connecting plate (11); The protection component comprises: A plurality of hollow square tubes (30), wherein the plurality of hollow square tubes (30) are sequentially sleeved together from the inside to the outside, wherein the hollow square tubes (30) located at the bottom are fixedly mounted on the top of the bottom plate (10), and the hollow square tubes (30) located at the top are fixedly mounted on the bottom of the first connecting plate (11); A slide groove (31), wherein the inner cavity of the hollow square tube (30) is provided with a slide groove (31); A limiting column (32) is fixedly installed on the outer side of the hollow square tube (30), and the limiting column (32) is slidably connected in the sliding groove (31).

5. The vehicle and pedestrian target recognition device according to claim 1, characterized in that: The rotating assembly comprises: A second servo motor (40), the second servo motor (40) is fixedly mounted on the top of the first connecting plate (11), and an output shaft of the second servo motor (40) is fixedly mounted on the second connecting plate (12); A hollow tube (41), wherein the hollow tube (41) is fixedly mounted on the top of the first connecting plate (11), and the hollow tube (41) is in contact with the second connecting plate (12).

6. The vehicle and pedestrian target recognition device according to claim 1, characterized in that: The tilting assembly comprises: Side plates (50), the top ends of the second connecting plate (12) are both fixedly mounted with side plates (50); A rotating shaft (51), wherein the rotating shaft (51) is rotatably connected between the two sets of side plates (50) via a bearing; A movable block (52), wherein the movable block (52) is fixedly mounted on the rotating shaft (51), and a third connecting plate (13) is fixedly mounted on the top of the movable block (52); A third servo motor (53), wherein the third servo motor (53) is fixedly mounted on a set of side plates (50), and an output shaft of the third servo motor (53) is fixedly connected to the rotating shaft (51).

7. The vehicle and pedestrian target recognition device according to claim 1, characterized in that: A transparent cover (15) is fixedly mounted on the top of the third connecting plate (13), and the camera (14) is located in the inner cavity of the transparent cover (15).

8. The vehicle and pedestrian target recognition device according to claim 7, characterized in that: A cleaning component for cleaning the transparent cover (15) is provided on the top of the second connecting plate (12); The cleaning component comprises: A bearing plate (61), the top of the second connecting plate (12) is fixedly mounted with the bearing plate (61) via a support rod (60); A box body (62), wherein the box body (62) is fixedly mounted on the top of the carrying plate (61); A cylinder (63), wherein the cylinder (63) is fixedly installed in the box body (62); A spherical cover (64), wherein the piston rod of the cylinder (63) is fixedly mounted on the spherical cover (64) via a connecting block, and the spherical cover (64) is located directly above the transparent cover (15); A sponge (65), the sponge (65) being fixedly mounted in the inner cavity of the spherical cover (64); A flow groove (66), wherein the flow groove (66) is provided in the spherical cover (64); Water holes (67), a plurality of water holes (67) are provided on the spherical cover (64) between the sponge (65) and the circulation groove (66).

9. The vehicle and pedestrian target recognition device according to claim 8, characterized in that: The cleaning component also includes: A water tank (68) is provided in its inner cavity, and the water tank (68) is fixedly mounted on the top of the bearing plate (61); A water pump (69), wherein the water pump (69) is fixedly mounted on the top of the bearing plate (61); A pipeline (691), wherein the pipeline (691) is fixedly mounted on the liquid inlet end of the water pump (69), and one end of the pipeline (691) is disposed in the water tank (68); A hose (692) is fixedly mounted on the liquid outlet end of the water pump (69), and one end of the hose (692) is disposed in the flow groove (66).

10. A vehicle and pedestrian target recognition method, characterized in that: The specific steps are as follows: Step 1: The screw rod (22) is rotated by the first servo motor (26). When the screw rod (22) rotates, the two sets of sliders (23) are moved in opposite directions until the camera (14) is at a suitable height. Then, the camera (14) is rotated with the second servo motor (40) as the center point by the second servo motor (40). At the same time, the camera (14) is rotated with the rotating shaft (51) as the center point by the third servo motor (53) until the camera (14) is at a suitable angle. At this point, the position of the camera (14) can be adjusted. Step 2: After adjusting the position of the camera (14), the camera (14) will take a picture of the vehicle or pedestrian, and after taking the picture, the vehicle and pedestrian in the image will be identified through an image processing algorithm; Step 3: When dust is present on the transparent cover (15), the spherical cover (64) is covered on the transparent cover (15) through the cylinder (63), and then the water in the water tank (68) is flowed into the sponge (65) and the transparent cover (15) through the water pump (69). At this time, the transparent cover (15) is rotated through the rotating assembly, so that the transparent cover (15) can be cleaned to ensure the shooting clarity of the camera (14).

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