Video acquisition device based on pedestrian re-identification method

Abstract

The invention discloses a video acquisition device based on a pedestrian re-identification method, which is characterized in that a holder is mounted at the top end of a support rod, cameras comprise a first camera and a second camera, the first camera is fixed on a mounting seat, the mounting seat is fixed on the holder, a notch groove is formed in the front end of the mounting seat, the second camera is fixed on a movable seat, and the movable seat is fixed on the support rod. A rotating shaft of the movable seat is connected into the notch groove, a first gear is connected to a rotating shaft of the movable seat and meshed with a toothed plate, an embedding groove is formed in the toothed plate, tooth grooves are formed in the inner walls of the two sides of the embedding groove, and a half-tooth gear is arranged in the embedding groove and driven by a motor to rotate. According to the invention, through the cooperation of the double image acquisition ends of the main camera and the auxiliary camera, better image acquisition is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of video acquisition equipment, and in particular to a video acquisition device based on a pedestrian re-identification method. Background Art

[0002] Pedestrian re-identification, also known as pedestrian re-recognition, is a technology that uses computer vision technology to determine whether there is a specific pedestrian in an image or video sequence. It is mainly used in the field of video surveillance. Pedestrian re-identification is generally fed back to the computer through video acquisition. However, the current video acquisition device has only one acquisition terminal. When the flow of people is too large, it is difficult for a single acquisition terminal to process too much information. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] In order to overcome the shortcomings of the prior art, a video acquisition device based on a pedestrian re-identification method is proposed to solve the problems raised in the above background technology.

[0005] (II) Technical solution

[0006] The present invention is achieved through the following technical scheme: The present invention proposes a video acquisition device based on a pedestrian re-identification method, including a pan-tilt platform, a camera is arranged on the pan-tilt platform, and also includes a support rod, the pan-tilt platform is installed at the top of the support rod, the camera consists of a first camera and a second camera, the first camera is fixed on a mounting seat, the mounting seat is fixed on the pan-tilt platform, a notch is arranged at the front end of the mounting seat, the second camera is fixed on a movable seat, the movable seat rotating shaft is connected in the notch, a first gear is connected to the rotating shaft of the movable seat, the first gear is meshed and connected to a tooth plate, and the tooth plate is slidably connected to the pan-tilt platform, an embedding groove is arranged on the tooth plate, tooth grooves are arranged on the inner walls on both sides of the embedding groove, a half-tooth gear is arranged in the embedding groove, and the half-tooth gear is driven to rotate by a motor, the motor drives the half-tooth gear to rotate, and can reciprocately mesh with the tooth grooves on the inner walls on both sides of the embedding groove without gap.

[0007] Furthermore, the pan-tilt platform is hinged on both sides of the support rod, and the pan-tilt platform is supported and fixed by a reinforcement rod.

[0008] Furthermore, a slide seat is arranged on the support rod, and the slide seat is driven to slide by a cylinder, and both ends of the reinforcement rod are respectively hingedly connected to the slide seat and the pan-tilt head.

[0009] Furthermore, a protective cover is provided on the mounting base corresponding to the first camera.

[0010] Furthermore, a protective cover is provided on the movable seat corresponding to the second camera.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The present invention provides a video acquisition device based on a pedestrian re-identification method, which achieves better image acquisition through the cooperation of dual image acquisition ends of a main camera and a secondary camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the connection structure between the toothed plate and the first gear on the top surface of the pan / tilt platform of the present invention.

[0016] 1-pan head; 2-camera; 21-first camera; 22-second camera; 23-mounting seat; 24-notch groove; 25-movable seat; 26-first gear; 3-support rod; 31-slide seat; 32-cylinder; 4-tooth plate; 41-embedded groove; 42-tooth groove; 43-half-tooth gear; 44-motor; 5-reinforcement rod. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0018] like Figure 1 and Figure 2 The video acquisition device based on the pedestrian re-identification method shown in the figure comprises a pan-tilt 1, a camera 2 is arranged on the pan-tilt 1, and also comprises a support rod 3, the pan-tilt 1 is installed at the top of the support rod 3, the camera 2 is composed of a first camera 21 and a second camera 22, the first camera 21 is fixed on a mounting seat 23, the mounting seat 23 is fixed on the pan-tilt 1, a notch groove 24 is arranged at the front end of the mounting seat 23, the second camera 22 is fixed on a movable seat 25, and the movable seat 25 has a rotating shaft Connected in the notch groove 24, a first gear 26 is connected to the rotating shaft of the movable seat 25, the first gear 26 is meshed and connected to the toothed plate 4, and the toothed plate 4 is slidably connected to the pan / tilt head 1, a groove 41 is arranged on the toothed plate 4, and toothed grooves 42 are arranged on the inner walls on both sides of the groove 41, a half-toothed gear 43 is arranged in the groove 41, and the half-toothed gear 43 is driven to rotate by a motor 44, and the motor 44 drives the half-toothed gear 43 to rotate, and can reciprocately mesh with the toothed grooves 42 on the inner walls on both sides of the groove 41 without gap.

[0019] As a preferred embodiment, the pan / tilt platform 1 is hinged to both sides of the support rod 3 , and the pan / tilt platform 1 is supported and fixed by the reinforcement rod 5 .

[0020] As a further improvement, a slide 31 is provided on the support rod 3 , and the slide 31 is driven to slide by a cylinder 32 , and both ends of the reinforcement rod 5 are hingedly connected to the slide 31 and the pan / tilt head 1 , respectively.

[0021] Furthermore, a protective cover is provided on the mounting base 23 corresponding to the first camera 21 .

[0022] Furthermore, a protective cover is provided on the movable seat 25 corresponding to the second camera 22 .

[0023] The present invention mentions a video acquisition device based on a pedestrian re-identification method. The device is provided with a main camera and a sub-camera, which cooperate with each other, so that image information can still be better acquired when the flow of people is too large.

[0024] Specifically, the camera 2 is arranged on the gimbal 1, and the gimbal 1 is hinged on both sides of the top of the support rod. In addition, the inclination angle of the gimbal 1 can be adjusted by adjusting the reinforcement rod 5, so that the image acquisition angle of the camera 2 thereon can be adjusted and controlled when shooting, thereby meeting the needs of actual use.

[0025] The camera 2 is composed of a first camera 21 and a second camera 22. The first camera 21 is the main camera, which is in a normally open state with a fixed angle, and can meet the main shooting requirements during image acquisition. The second camera 22 is used when the flow of people is too large, and the staff of the monitoring station actively turns on the control. When the second camera 22 is enabled, the motor 44 is started synchronously to drive the half-toothed gear 43 to rotate, and then the gear grooves 42 on the inner walls of the grooves 41 on both sides are meshed and connected to drive in a reciprocating manner, thereby controlling the toothed plate 4 to slide back and forth on the top surface of the pan-tilt head 1. Then the toothed plate 4 is meshed and driven with the first gear 26, controlling the first gear 26 to achieve reciprocating rotation, and the rotation of the first gear 26 drives the reciprocating rotation of the rotating shaft of the movable seat 25, that is, controlling the reciprocating rotation of the movable seat 25, so that the second camera 22, that is, the auxiliary camera, on it, in the shooting range relative to the first camera 21, that is, the main camera and the range on both sides thereof, realizes auxiliary shooting image acquisition, thereby improving the quality of image acquisition.

[0026] The above-described embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by ordinary persons in the art to the technical solution of the present invention should fall within the protection scope of the present invention, and the technical contents for which protection is sought in the present invention have been fully recorded in the claims.

Claims

1. A video acquisition device based on a pedestrian re-identification method, comprising a pan-tilt platform (1), on which a camera (2) is arranged, characterized in that: The device also comprises a support rod (3), the pan-tilt platform (1) is mounted on the top of the support rod (3), the camera (2) is composed of a first camera (21) and a second camera (22), the first camera (21) is fixed on a mounting seat (23), the mounting seat (23) is fixed on the pan-tilt platform (1), a notch groove (24) is arranged at the front end of the mounting seat (23), the second camera (22) is fixed on a movable seat (25), a rotating shaft of the movable seat (25) is connected to the notch groove (24), and the rotation of the movable seat (25) is controlled by the rotation of the movable seat (25). A first gear (26) is connected to the shaft, the first gear (26) is meshedly connected to a toothed plate (4), and the toothed plate (4) is slidably connected to the pan / tilt platform (1), an embedding groove (41) is provided on the toothed plate (4), toothed grooves (42) are provided on both inner walls of the embedding groove (41), a half-toothed gear (43) is provided in the embedding groove (41), and the half-toothed gear (43) is driven to rotate by a motor (44), and the motor (44) drives the half-toothed gear (43) to rotate, and can reciprocately mesh with the toothed grooves (42) on the inner walls of both sides of the embedding groove (41) without clearance.

2. The video acquisition device based on the pedestrian re-identification method according to claim 1 is characterized in that: The pan head (1) is hinged to two sides of a support rod (3), and the pan head (1) is supported and fixed by a reinforcement rod (5).

3. The video acquisition device based on the pedestrian re-identification method according to claim 2 is characterized in that: A sliding seat (31) is arranged on the support rod (3), and the sliding seat (31) is driven to slide by a cylinder (32). The two ends of the reinforcement rod (5) are respectively hingedly connected to the sliding seat (31) and the pan / tilt head (1).

4. The video acquisition device based on the pedestrian re-identification method according to claim 3 is characterized in that: A protective cover is provided on the mounting seat (23) corresponding to the first camera (21).

5. The video acquisition device based on the pedestrian re-identification method according to claim 3 is characterized in that: A protective cover is provided on the movable seat (25) corresponding to the second camera (22).

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