Image big data acquisition auxiliary device

Abstract

The utility model discloses an image big data acquisition auxiliary device used in cooperation with a monocular camera. The image big data acquisition auxiliary device comprises an imaging assembly and a connecting assembly. The imaging assembly is fixed on the monocular camera through the connecting assembly; the imaging assembly comprises a front shell, two first reflectors, two second reflectors and a connecting cylinder, one group of first reflectors and second reflectors are arranged in parallel in a relatively staggered manner, and the two groups of first reflectors and second reflectors are symmetrically arranged. According to the image-based big data acquisition auxiliary device provided by the utility model, a monocular camera can be converted into a binocular camera, and the identification precision of the device can be effectively improved through acquisition and use of depth information. The whole structure is simple, the cost is controllable, and compared with the replacement of a binocular camera, the cost advantage is remarkable. According to the specific structure, through the butt joint ring and the fixing plate, the auxiliary device can be conveniently integrated to monocular cameras of different types and shapes, and good adaptability is achieved.

Description

Technical Field

[0001] This utility model relates to the field of image data acquisition technology, specifically to an auxiliary device for image big data acquisition. Background Technology

[0002] With the continuous advancement of image recognition and image processing technologies, methods for capturing images using cameras and applying image processing and pattern recognition techniques to count passenger flow have been widely applied in numerous fields such as shopping malls, scenic spots, airports, and train stations. This technology enables real-time and accurate statistics on the number of people entering and exiting, providing strong data support for management decisions. Its working principle mainly involves using cameras to acquire scene images, and then employing computer vision algorithms to detect and track human figures or heads in the images to achieve statistical analysis of passenger flow.

[0003] In practical applications, monocular cameras are widely used due to their low cost and ease of deployment. However, due to the lack of depth information, the statistical accuracy of monocular cameras is significantly affected in complex environments, such as fast-moving crowds or congested conditions, with an accuracy rate of approximately 80%. Summary of the Invention

[0004] The purpose of this invention is to provide an auxiliary device for image big data acquisition to solve the problems existing in the prior art.

[0005] To achieve the above objectives, the present invention provides an image big data acquisition auxiliary device for use with a monocular camera, comprising an imaging component and a connecting component; the imaging component is fixed to the monocular camera via the connecting component; the imaging component includes a front shell, two first reflectors, two second reflectors, and a connecting cylinder, the connecting cylinder being disposed at the center of the rear part of the front shell and having internal communication to form a complete internal cavity; the first and second reflectors are disposed inside the front shell, with one first reflector and one second reflector forming a group, and the first and second reflectors within the same group being arranged in a staggered parallel arrangement, and the two groups of first and second reflectors being symmetrically arranged.

[0006] Furthermore, the second reflecting mirror is a plane mirror, and the first reflecting mirror is a plane mirror or a convex mirror.

[0007] Furthermore, the front shell has a trapezoidal cross-section, and an inner support plate assembly is provided in the center of the front shell. The lower side of the inner support plate assembly is parallel to the side of the front shell. The first reflector is provided on the inner wall of the front shell, and a second reflector is provided on the inner support plate assembly opposite to the first reflector.

[0008] Furthermore, a transparent plate is provided at the front of the front shell, and a cover is provided at the front end of the front shell.

[0009] Further, the end of the connecting cylinder away from the front shell is provided with a raised flange, a plurality of through holes are arranged on the raised flange; the connecting assembly comprises a connecting ring, the connecting ring comprises a circular ring, and a threaded column matched with the raised flange is arranged on the circular ring.

[0010] Further, the connecting assembly further comprises a connecting plate, one end of the connecting plate is connected to the front top surface of the front shell through a bolt structure, and the other end is connected to the upper part of the monocular camera through fixed glue.

[0011] Further, an anti-reflection film is arranged on the transparent plate, the first reflector and the second reflector.

[0012] Further, a polarizing filter can be arranged in the connecting cylinder.

[0013] Further, a plurality of air holes are arranged in an array on the lower part of the front shell, the air holes are arranged in the area of the inner support plate group, and a plurality of second air holes are arranged in an array on the upper parts of the two side plates of the inner support plate group.

[0014] Further, the first reflector and the two second reflectors are installed through a fine adjustment assembly, the fine adjustment assembly comprises an outer frame, a first support column, a second support column and a limiting nut, the first reflector and the second reflectors are fixed on the outer frame, the first support column and the second support column are arranged on both sides of the outer frame, the first support column passes through the limiting through hole arranged on the front shell at both ends, the second support column passes through the limiting groove arranged on the front shell at both ends, and the second support column is provided with a threaded hole matched with the limiting nut at both ends.

[0015] The auxiliary device based on image big data acquisition can convert a monocular camera into a binocular camera, and through the acquisition and use of depth information, the recognition accuracy of the device can be effectively improved. The patent has a simple overall structure, controllable cost, and significant cost advantage compared with replacing a binocular camera. In the specific structure, the auxiliary device can be conveniently integrated into monocular cameras of different types and shapes through the adapter ring and the fixing plate, and has good adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the overall schematic view of the technical scheme of the utility model.

[0017] Figure 2 is the overall perspective schematic view of the technical scheme of the utility model.

[0018] Figure 3 is the local enlarged view of the area section of the technical scheme of the utility model.

[0019] Figure 4 is the local perspective schematic view of the air hole area of an embodiment of the utility model.

[0020] Figure 5 is a fine adjustment assembly schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] As shown in the accompanying Figures 1-3 The image big data acquisition auxiliary device relates to the utility model, including imaging assembly 1, connecting assembly 2, imaging assembly 1 is fixed in monocular camera through connecting assembly 2.

[0023] The imaging assembly 1 includes a front shell 11, two first mirrors 12, two second mirrors 13 and a connecting cylinder 14, the connecting cylinder 14 is arranged at the rear central part of the front shell 11, is internally communicated and forms a complete internal cavity.

[0024] The first mirror 12 and the second mirror 13 are arranged inside the front shell 11, one of the first mirror 12 and the second mirror 13 is a group, the first mirror 12 and the second mirror 13 in the same group are oppositely staggered and parallelly arranged, and the two groups of first mirror 12 and second mirror 13 are symmetrically arranged.

[0025] The second mirror 13 is a plane mirror, and the first mirror 12 is a plane mirror or a convex mirror.

[0026] The auxiliary device is particularly suitable for monocular camera of wide-angle lens. Two groups of first mirror 12 and second mirror 13 can make monocular camera simulate the field of view of binocular camera, so as to obtain depth information.

[0027] As shown in the accompanying Figure 1 , 3 Further, the front shell 11 is trapezoidal in cross section, and an inner support plate group 112 is arranged at the center of the front shell 11, the inner support plate group 112 includes a plurality of support plates connected with each other, and the lower side surface of the inner support plate group 112 is parallel to the side surface of the front shell 11.

[0028] The first mirror 12 is arranged on the inner wall of the front shell 11, and the second mirror 13 is arranged on the opposite inner support plate group 12 of the first mirror 12. A transparent plate 113 is arranged at the front part of the front shell 11 to prevent external dust from entering the inside of the front shell 11. A cover 114 is arranged at the front end of the front shell 11.

[0029] The end of the connecting cylinder 14 away from the front housing 11 is provided with a raised flange 141, and multiple through holes are provided on the raised flange 141.

[0030] As attached Figure 1 , 2 As shown, the connecting assembly 2 includes a connecting ring 21 and a connecting plate 22. The connecting ring 21 includes a circular ring 211 and a threaded post 212 on the circular ring 211. In use, the connecting ring 21 is glued to the monocular camera with adhesive, and the threaded post 212 passes through the through hole on the protruding flange 141 of the connecting cylinder 14 and is fixed with a nut, thereby connecting the image big data acquisition auxiliary device to the monocular camera.

[0031] One end of the connecting plate 22 is connected to the top front surface of the front shell 11 by a bolt structure, and the other end is glued to the upper part of the monocular camera by a fixing adhesive.

[0032] The front shell 11 and connecting cylinder 14 are made of plastic, which is lightweight and easy to fix to the monocular camera. The first reflector 12 and the second reflector 13 are acrylic mirrors (PMMA), which have the advantages of being lightweight and having high transparency.

[0033] Furthermore, the front shell 11 and the interior of the connecting cylinder 14 are coated with a matte coating, which can effectively reduce stray light generated by shell reflection.

[0034] Furthermore, anti-reflective coatings can be provided on the transparent plate 113, the first reflector 12, and the second reflector 13.

[0035] Furthermore, a plurality of filters can be disposed within the connecting cylinder 14, including a polarizing filter 142. The polarizing filter 142 can reduce glare and reflection from glossy objects such as glass and ceramic tiles.

[0036] Furthermore, as shown in the attached document. Figure 4 As shown, an array of vents k1 is provided at the lower part of the front shell 11, allowing air to flow internally and reducing mirror fogging caused by temperature changes, thus ensuring image clarity and stability. To reduce dust ingress, the vents k1 are located in the area of ​​the inner support plate assembly 112, and an array of second vents k2 is provided on the two side plates at the upper part of the inner support plate assembly 112, which can reduce dust ingress into the area between the inner support plate assembly 112 and the front shell 11.

[0037] Furthermore, as shown in the attached document. Figure 5 As shown, the first reflector 12 and the two second reflectors 13 are mounted by a fine-tuning component, which can make fine adjustments to the angle of the reflectors to further optimize the imaging effect and improve the adaptability and flexibility of the device.

[0038] The fine adjustment assembly comprises an outer frame z1, a first support column z2, a second support column z3 and a limiting nut z6. The first mirror 12 and the second mirror 13 are fixed on the outer frame z1, the first support column z2 and the second support column z3 are arranged on both sides of the outer frame z1, the first support column z2 passes through the limiting through hole z4 arranged on the front shell 11 at both ends, the second support column z3 passes through the limiting slot z5 arranged on the front shell 11 at both ends, and the second support column z3 is provided with a thread at both ends and cooperates with the limiting nut z6, so that the position of the second support column z3 can be limited by the limiting nut z6.

[0039] It should be noted that, unless otherwise clearly specified and limited, the terms such as "mounting", "connecting", "connecting", "fixing", "arranging" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. An image big data acquisition auxiliary device, cooperating with a monocular camera, characterized in that, The utility model provides an image assembly, a connecting assembly, the image assembly is fixed in monocular camera through the connecting assembly, the image assembly includes front shell, two first mirrors, two second mirrors, connecting barrel, the connecting barrel is arranged at the rear central part of front shell, is inside intercommunication, forms complete internal cavity, the first mirror, second mirror is arranged in the inside of front shell, one first mirror and one second mirror are a group in one of the first mirror, second mirror in the same group is opposite staggered parallel arrangement, two groups of first mirror, second mirror are symmetrically arranged.

2. The image big data acquisition assistance device according to claim 1, characterized by, The second mirror is a plane mirror, and the first mirror is a plane mirror or a convex mirror.

3. The image big data acquisition assistance device according to claim 1, characterized by, The front shell is in the shape of a trapezoid, and an inner support plate group is arranged in the center of the front shell, and the lower side of the inner support plate group is parallel to the side of the front shell; the first mirror is arranged on the inner wall of the front shell, and the second mirror is arranged on the inner support plate group opposite to the first mirror.

4. The image big data acquisition assistance device according to claim 3, characterized by, A transparent plate is arranged at the front of the front shell, and a cover is arranged at the front end of the front shell.

5. The image big data acquisition assistance device according to claim 3, characterized by, The end of the connecting barrel away from the front shell is provided with a raised flange, and a plurality of through holes are arranged on the raised flange; the connecting assembly includes a connecting ring, and the connecting ring includes a circular ring and a threaded column arranged on the circular ring and matched with the raised flange.

6. The image big data acquisition assistance device according to claim 5, characterized by, The connecting assembly further includes a connecting plate, one end of the connecting plate is connected to the top surface of the front shell through a bolt structure, and the other end of the connecting plate is adhered to the upper part of the monocular camera through a fixing adhesive.

7. The image big data acquisition assistance device according to claim 3, characterized by, An anti-reflection film is arranged on the transparent plate, the first mirror and the second mirror.

8. The image big data acquisition assistance device according to claim 3, characterized by, A polarizing filter can be arranged in the connecting barrel.

9. The image big data acquisition assistance device according to claim 3, characterized by, An array of air holes is arranged at the lower part of the front shell, the air holes are arranged in the region of the inner support plate group, and an array of second air holes is arranged on the upper part of the two side plates of the inner support plate group.

10. The image big data acquisition assistance device according to claim 3, characterized by, The first mirror and the two second mirrors are installed through a fine adjustment assembly, the fine adjustment assembly includes an outer frame, a first support column, a second support column and a limiting nut, the first mirror and the second mirror are fixed on the outer frame, the first support column and the second support column are arranged on both sides of the outer frame, the first support column passes through limiting through holes arranged on the front shell at both ends, the second support column passes through limiting grooves arranged on the front shell at both ends, and the second support column is provided with a threaded limiting nut matched with the limiting nut at both ends.

Images