Compatible full-angle camera internal reference calibration equipment

Abstract

The utility model discloses compatible full-angle camera internal reference calibration equipment which comprises a main mounting assembly, a main mounting plate is arranged on the main mounting assembly, a longitudinal movement control assembly is arranged on the main mounting plate, and a longitudinal guide assembly is arranged on the main mounting plate and located on one side of the longitudinal movement control assembly. A transverse movement control assembly is arranged at the moving part of the longitudinal guide assembly, a lifting control assembly is arranged at the moving part of the transverse movement control assembly, a lifting frame is arranged at the output end of the lifting control assembly, a first rotating motor is arranged on the lifting frame, and a right-angle mounting plate is arranged at the output end of the first rotating motor; a second rotating motor is arranged on the right-angle mounting plate, an auxiliary frame is arranged at the output end of the second rotating motor, and a quick-change tool is arranged on the auxiliary frame, by applying the camera internal reference calibration equipment, the full-angle camera internal reference calibration operation is achieved, the efficiency of the camera internal reference calibration operation is effectively improved, and the operation efficiency is improved. And the accuracy of internal reference calculation of the camera is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of camera internal parameter calibration, in particular to an internal parameter calibration device compatible with all-angle cameras. Background Art

[0002] A camera is a video input device, also known as a computer camera or computer eye. It is widely used in video conferencing, telemedicine, and real-time monitoring. With the development of internet technology and the maturity of photosensitive imaging device technology, the price of cameras has gradually decreased, making them affordable for ordinary people. People can use cameras to communicate online through audio and video, and they can also be used for digital imaging and audio and video processing.

[0003] During the production process of the camera, it is necessary to calculate the internal parameters of the camera. The camera internal parameter calibration calculation requires the help of internal parameter calibration equipment. The existing internal parameter calibration equipment has a complex structure and is inconvenient to operate, which leads to low efficiency of the camera internal parameter calibration calculation. Therefore, an internal parameter calibration device compatible with all-angle cameras is designed. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems and design a device for calibrating internal parameters of a camera that is compatible with all angles.

[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is a full-angle camera internal parameter calibration device, including a main mounting assembly, a main mounting plate is provided on the main mounting assembly, a longitudinal movement control assembly is provided on the main mounting plate, a longitudinal guide assembly is provided on the main mounting plate at one side of the longitudinal movement control assembly, a transverse movement control assembly is provided at the moving part of the longitudinal guide assembly, a lifting control assembly is provided at the moving part of the transverse movement control assembly, a lifting frame is provided at the output end of the lifting control assembly, a first rotating motor is provided on the lifting frame, a right-angle mounting plate is provided at the output end of the first rotating motor, a second rotating motor is provided on the right-angle mounting plate, an auxiliary frame is provided at the output end of the second rotating motor, a quick-change tooling is provided on the auxiliary frame, and a calibration chart card assembly is provided on the front side of the main mounting assembly.

[0006] As a further description of the present technical solution, the main mounting assembly includes a main mounting frame, a main mounting plate is provided on the main mounting frame, and a longitudinal movement control assembly is provided on the main mounting plate.

[0007] As a further description of the present technical solution, the longitudinal movement control assembly includes a longitudinal movement control module arranged on the main mounting plate, and the output end of the longitudinal movement control module is provided with a transverse movement control assembly.

[0008] As a further description of the present technical solution, the longitudinal guide assembly includes a longitudinal guide rail arranged on the main mounting plate on one side of the longitudinal movement control assembly, a longitudinal movement slider is arranged on the longitudinal guide rail, and a lateral movement control assembly is arranged on the longitudinal movement slider.

[0009] As a further description of the present technical solution, the lateral movement control assembly includes a lateral movement control module arranged at the moving portion of the longitudinal guide assembly, and a lifting control assembly is provided at the output end of the lateral movement control module.

[0010] As a further description of the present technical solution, the lifting control assembly includes a lifting control module arranged at the moving part of the lateral movement control assembly, and a lifting frame is provided at the output end of the lifting control module.

[0011] As a further description of the present technical solution, the quick-change tooling includes a tooling main board arranged on an auxiliary frame, a support plate is arranged on the tooling main board, a camera limit plate is arranged on the support plate, a rotatable auxiliary pressure plate is arranged on the camera limit plate, a plurality of auxiliary limit grooves are opened on the auxiliary pressure plate, and a plurality of wiring holes are arranged on the tooling main board.

[0012] As a further description of the present technical solution, the calibration chart assembly includes a mounting bracket arranged on the front side of the main mounting assembly, a main calibration chart is arranged on the mounting bracket, a lower calibration chart is arranged below the main calibration chart, an upper calibration chart is arranged above the main calibration chart, a left calibration chart is arranged on the left side of the main calibration chart, and a right calibration chart is arranged on the right side of the main calibration chart.

[0013] The beneficial effect is that the camera intrinsic parameter calibration equipment of this technical solution has a clever structural design, strong practicality, and is easy to operate. By using this camera intrinsic parameter calibration equipment, full-angle camera intrinsic parameter calibration operations are realized, which effectively improves the efficiency of camera intrinsic parameter calibration operations and also improves the accuracy of camera intrinsic parameter calculations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the installation structure of the quick-change tooling of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the quick-change tooling of the utility model.

[0017] In the figure, 1. Main mounting assembly; 2. Main mounting plate; 3. Longitudinal movement control assembly; 4. Longitudinal guide assembly; 5. Lateral movement control assembly; 6. Lifting control assembly; 7. Lifting frame; 8. First rotating motor; 9. Right-angle mounting plate; 10. Second rotating motor; 11. Auxiliary frame; 12. Quick-change tooling; 13. Calibration card assembly; 14. Main mounting stand; 15. Longitudinal movement control module; 16. Longitudinal guide rail; 17. Lateral movement control module; 18. Lifting control module; 19. Tooling mainboard; 20. Support plate; 21. Camera limit plate; 22. Auxiliary pressure plate; 23. Auxiliary limit slot; 24. Wiring hole; 25. Mounting bracket; 26. Main calibration card; 27. Lower calibration card; 28. Upper calibration card; 29. ​​Left calibration card; 30. Right calibration card. DETAILED DESCRIPTION

[0018] First of all, the design intention of this utility model is explained. During the production process of the camera, the internal parameters of the camera need to be calculated. The camera internal parameter calibration calculation requires the help of internal parameter calibration equipment. The existing internal parameter calibration equipment has a complex structure and is inconvenient to operate, which leads to low efficiency of the camera's internal parameter calibration calculation. Therefore, this utility model designs a full-angle camera internal parameter calibration device.

[0019] The present invention will be described in detail below with reference to the accompanying drawings. Figure 1-Figure 3 As shown, a device compatible with full-angle camera internal parameter calibration includes a main mounting component 1. The main mounting component 1 will be introduced in detail below. The main mounting component 1 includes a main mounting stand 14, a main mounting plate 2 is provided on the main mounting stand 14, and a longitudinal movement control component 3 is provided on the main mounting plate 2.

[0020] A main mounting plate 2 is provided on the main mounting assembly 1. In order to facilitate the longitudinal movement control of the quick-change tooling 12, a longitudinal movement control assembly 3 is provided on the main mounting plate 2. The longitudinal movement control assembly 3 will be introduced in detail below. The longitudinal movement control assembly 3 includes a longitudinal movement control module 15 provided on the main mounting plate 2. The output end of the longitudinal movement control module 15 is provided with a lateral movement control assembly 5.

[0021] In order to facilitate the longitudinal movement and guidance of the quick-change tooling 12, a longitudinal guide component 4 is provided on the main mounting plate 2 on one side of the longitudinal movement control component 3. The longitudinal guide component 4 will be described in detail below. The longitudinal guide component 4 includes a longitudinal guide rail 16 provided on the main mounting plate 2 on one side of the longitudinal movement control component 3, a longitudinal movement slider is provided on the longitudinal guide rail 16, and a lateral movement control component 5 is provided on the longitudinal movement slider.

[0022] In order to facilitate the lateral movement and guidance of the quick-change tooling 12, a lateral movement control component 5 is provided at the moving part of the longitudinal guide component 4. The lateral movement control component 5 will be described in detail below. The lateral movement control component 5 includes a lateral movement control module 17 provided at the moving part of the longitudinal guide component 4, and a lifting control component 6 is provided at the output end of the lateral movement control module 17.

[0023] In order to facilitate the control of the lifting and lowering movement of the quick-change tooling 12, a lifting control component 6 is provided at the moving part of the lateral movement control component 5. The lifting control component 6 will be described in detail below. The lifting control component 6 includes a lifting control module 18 provided at the moving part of the lateral movement control component 5, and a lifting frame 7 is provided at the output end of the lifting control module 18.

[0024] A lifting frame 7 is provided at the output end of the lifting control component 6. In order to facilitate the control of the quick-change rotation, a first rotating motor 8 is provided on the lifting frame 7. A right-angle mounting plate 9 is provided at the output end of the first rotating motor 8. A second rotating motor 10 is provided on the right-angle mounting plate 9. In order to facilitate the installation of the quick-change tooling 12, an auxiliary frame 11 is provided at the output end of the second rotating motor 10.

[0025] In order to facilitate the installation and positioning of the camera, a quick-change tooling 12 is provided on the auxiliary frame 11. The quick-change tooling 12 will be introduced in detail below. The quick-change tooling 12 includes a tooling main board 19 provided on the auxiliary frame 11, a support plate 20 is provided on the tooling main board 19, a camera limiting plate 21 is provided on the support plate 20, a rotatable auxiliary pressure plate 22 is provided on the camera limiting plate 21, and a plurality of auxiliary limiting grooves 23 are provided on the auxiliary pressure plate 22.

[0026] In order to facilitate wiring, a plurality of wiring holes 24 are provided on the tooling mainboard 19 .

[0027] A calibration chart assembly 13 is provided on the front side of the main mounting assembly 1. The calibration chart assembly 13 will be described in detail below. The calibration chart assembly 13 includes a mounting bracket 25 provided on the front side of the main mounting assembly 1. A main calibration chart 26 is provided on the mounting bracket 25. A lower calibration chart 27 is provided below the main calibration chart 26. An upper calibration chart 28 is provided above the main calibration chart 26. A left calibration chart 29 is provided on the left side of the main calibration chart 26. A right calibration chart 30 is provided on the right side of the main calibration chart 26.

[0028] The above describes the specific structure of the present invention in detail. The working principle of the present invention will be described below: Place the camera on the camera limit plate 21, rotate the auxiliary pressure plate 22, limit the camera through the auxiliary limit slot 23, install the quick-change tooling 12 on the auxiliary frame 11, and move the camera to different positions for taking pictures through the longitudinal movement control module 15, the transverse movement control component 5, the lifting control module 18, the first rotating motor 8, and the second rotating motor 10. The camera takes pictures of the 5 calibration card components 13 and moves to a position. 5 picture cards can be taken. After all points are walked and photographed, the camera can capture 5 pictures. After the photo is taken, the internal parameter calibration is performed through the parameter calibration algorithm library. After the calculation is completed, the camera is moved to the standby position under the action of the longitudinal movement control module 15, the lateral movement control component 5, the lifting control module 18, the first rotating motor 8, and the second rotating motor 10. The quick-change tooling 12 is removed and the untested quick-change tooling 12 is placed. The camera internal parameter calibration equipment of this technical solution has a clever structural design, strong practicality, and is easy to operate. The use of this camera internal parameter calibration equipment realizes the full-angle camera internal parameter calibration operation, effectively improves the efficiency of the camera internal parameter calibration operation, and also improves the accuracy of the camera internal parameter calculation.

[0029] The above technical solutions only reflect the preferred technical solutions of the present utility model. Any changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present utility model and fall within the scope of protection of the present utility model.

Claims

1. A device for calibrating intrinsic parameters of a full-angle camera, characterized in that: The invention comprises a main mounting assembly (1), wherein the main mounting assembly (1) is provided with a main mounting plate (2), a longitudinal movement control assembly (3) is provided on the main mounting plate (2), a longitudinal guide assembly (4) is provided on one side of the longitudinal movement control assembly (3) on the main mounting plate (2), a transverse movement control assembly (5) is provided at a moving part of the longitudinal guide assembly (4), a lifting control assembly (6) is provided at a moving part of the transverse movement control assembly (5), a lifting frame (7) is provided at the output end of the lifting control assembly (6), a first rotating motor (8) is provided on the lifting frame (7), a right-angle mounting plate (9) is provided at the output end of the first rotating motor (8), a second rotating motor (10) is provided on the right-angle mounting plate (9), an auxiliary frame (11) is provided at the output end of the second rotating motor (10), a quick-change tool (12) is provided on the auxiliary frame (11), and a calibration chart assembly (13) is provided at the front side of the main mounting assembly (1).

2. The device for calibrating internal parameters of a full-angle camera according to claim 1, characterized in that: The main mounting assembly (1) comprises a main mounting platform (14), a main mounting plate (2) is provided on the main mounting platform (14), and a longitudinal movement control assembly (3) is provided on the main mounting plate (2).

3. The device for calibrating internal parameters of a full-angle camera according to claim 1, characterized in that: The longitudinal movement control component (3) comprises a longitudinal movement control module (15) arranged on the main mounting plate (2), and a transverse movement control component (5) is arranged at the output end of the longitudinal movement control module (15).

4. The device for calibrating internal parameters of a full-angle camera according to claim 1, characterized in that: The longitudinal guide assembly (4) comprises a longitudinal guide rail (16) arranged on the main mounting plate (2) and located on one side of the longitudinal movement control assembly (3); a longitudinal movement slider is arranged on the longitudinal guide rail (16); and a transverse movement control assembly (5) is arranged on the longitudinal movement slider.

5. The device for calibrating internal parameters of a full-angle camera according to claim 1, characterized in that: The lateral movement control component (5) comprises a lateral movement control module (17) arranged at a moving portion of the longitudinal guide component (4), and a lifting control component (6) is arranged at an output end of the lateral movement control module (17).

6. The device for calibrating internal parameters of a full-angle camera according to claim 1, characterized in that: The lifting control component (6) comprises a lifting control module (18) arranged at a moving portion of the transverse movement control component (5), and a lifting frame (7) is provided at the output end of the lifting control module (18).

7. The device for calibrating internal parameters of a full-angle camera according to claim 1, characterized in that: The quick-change tooling (12) includes a tooling main board (19) arranged on the auxiliary frame (11), a support plate (20) is arranged on the tooling main board (19), a camera limit plate (21) is arranged on the support plate (20), a rotatable auxiliary pressure plate (22) is arranged on the camera limit plate (21), a plurality of auxiliary limit grooves (23) are opened on the auxiliary pressure plate (22), and a plurality of wiring holes (24) are arranged on the tooling main board (19).

8. The device for calibrating internal parameters of a full-angle camera according to claim 1, characterized in that: The calibration chart assembly (13) comprises a mounting bracket (25) arranged on the front side of the main mounting assembly (1); a main calibration chart (26) is arranged on the mounting bracket (25); a lower calibration chart (27) is arranged below the main calibration chart (26); an upper calibration chart (28) is arranged above the main calibration chart (26); a left calibration chart (29) is arranged on the left side of the main calibration chart (26); and a right calibration chart (30) is arranged on the right side of the main calibration chart (26).

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