CN112929534B - Panoramic view monitoring recorder and device - Google Patents
Panoramic view monitoring recorder and device Download PDFInfo
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- CN112929534B CN112929534B CN202110093461.8A CN202110093461A CN112929534B CN 112929534 B CN112929534 B CN 112929534B CN 202110093461 A CN202110093461 A CN 202110093461A CN 112929534 B CN112929534 B CN 112929534B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/004—Arrangements for holding or mounting articles, not otherwise provided for characterised by position outside the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
- B60R2300/102—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using 360 degree surveillance camera system
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Closed-Circuit Television Systems (AREA)
- Studio Devices (AREA)
Abstract
The invention provides a panoramic monitoring recorder and device. The panoramic monitoring recorder comprises a base, a transparent fixing assembly, a camera assembly, a panoramic reflector and an image processing module, wherein the camera assembly comprises an acquisition lens; the acquisition lens is used for acquiring a panoramic image reflected by the panoramic reflector; the image processing module comprises a video processing unit in communication connection with the camera assembly; and the video processing unit converts the panoramic image acquired by the camera assembly into a rectangular panoramic image. The panoramic monitoring recorder can effectively improve the quality of the monitored image, is convenient to install, has high resolution of the monitored and acquired image, and improves the monitoring effect.
Description
Technical Field
The invention relates to the technical field of monitoring equipment, in particular to a panoramic view monitoring recorder and device.
Background
The panoramic monitoring and recording device is widely applied to various fields as a monitoring device with large range and no blind spot, wherein the monitoring and recording device based on the wide-angle/fisheye camera is widely applied to the security field due to the characteristic of large visual angle and low cost. For example, the invention patent "vehicle-mounted monitoring device" with the publication number "CN110001524A" includes three wide-angle cameras, and further includes a first controller and a display screen, where the three wide-angle cameras are supported on the top of the vehicle body through supporting rods and are uniformly distributed in an angle range of 360 degrees, and the first controller receives signals of the three wide-angle cameras, synthesizes the signals into a complete image signal, and outputs the complete image signal to the display screen. Because the wide-angle cameras are arranged in a mode of uniform distribution in the range of 360 degrees, 360-degree camera monitoring without dead angles can be really realized.
However, the above design of the above design is complex in structure and high in cost, and on the other hand, the images of the 3 cameras need to be spliced to form a complete image, wherein a correction process is performed, the image distortion of the wide-angle camera is large, the brightness uniformity is poor, the spliced image has three barrel-shaped distortions with poor brightness uniformity, and a more complex correction process is performed on the barrel-shaped distortion.
Moreover, similar to the panoramic monitoring and recording device, due to the characteristics of the wide-angle/fisheye camera, the image distortion is large, the brightness uniformity is poor, especially in a large viewing angle area, the image distortion, the deterioration of the resolution and the brightness have poor resolution performance on an object, a certain limitation is imposed on the installation position, and in many applications requiring relatively good image quality and only requiring circular panoramic viewing in the viewing angle range, the panoramic monitoring and recording device cannot meet the requirements, and the requirements of the applications are continuously increased.
Therefore, there is a need to provide a novel panoramic view monitoring recorder and an application thereof to solve the above problems in the prior art.
Disclosure of Invention
The invention aims to provide a panoramic view monitoring recorder and a panoramic view monitoring device, the quality of the monitored image can be effectively improved and the cost is reduced.
In order to achieve the above object, the panoramic view monitoring recorder of the present invention comprises:
a base;
a transparent fixing member;
the camera assembly is arranged at the bottom end of the base;
the panoramic reflector is arranged at the top end of the base through the transparent fixing component;
the image processing module is in communication connection with the camera assembly;
wherein;
The camera component includes a collection lens, which is used to collect panoramic panoramic panoramic images reflected by the panoramic reflector. The image processing module includes a video processing unit connected to the camera component in communication, which converts the panoramic panoramic panoramic images collected by the camera head component into rectangular panoramic panoramic panoramic images.
The beneficial effect of the present invention is that the camera component of the present invention includes a collection lens, which is used to collect panoramic panoramic panoramic images reflected by the panoramic reflector. The video processing unit converts the panoramic panoramic panoramic images collected by the camera component into rectangular panoramic panoramic panoramic images, so that the annular panoramic panoramic images of the outside world can be displayed in the form of rectangular panoramic panoramic panoramic images, which is not only convenient for viewing, And it effectively improves image resolution.
Furthermore, the image processing module further comprises a video display unit, and the video display unit is in communication connection with the video processing unit and is used for displaying the rectangular panoramic image. The beneficial effects are that: the processed rectangular panoramic image is displayed through the video display unit, so that an operator can conveniently check the image.
Further, the image processing module further comprises a video storage unit, the video storage unit is in communication connection with the video processing unit, and the video storage unit is used for storing the rectangular panoramic image. The beneficial effects are that: the processed rectangular panoramic image is stored through the video storage unit, so that subsequent processing is facilitated.
Further, the video storage unit is in communication connection with the video display unit and is used for playing back the stored rectangular panoramic image in the video display unit. The beneficial effects are that: the stored rectangular panoramic image is convenient to play back through the video display unit so as to be convenient to call for viewing.
Further, transparent fixed subassembly includes transparent ring, transparent ring connects the base top, just the panorama speculum setting is in transparent ring top. The beneficial effects are that: the transparent ring is convenient for fix the panorama speculum on the base top, makes the full view image unobstructed form images on the panorama speculum and is gathered by the camera subassembly moreover.
Furthermore, the focus of the panoramic reflector, the circle center of the transparent ring and the focus of the collecting lens are located on the same axis. The beneficial effects are that: the panoramic image collected by the camera assembly through the panoramic reflector has the same visual angle and the same proportion, so that the image quality of the panoramic image collected by the camera assembly is improved.
Furthermore, a reflecting surface for reflecting images is arranged at the bottom of the panoramic reflector, and the reflecting surface is right opposite to the collecting lens.
Further, the reflecting surface includes any one of a conical surface, a circular table surface, a spherical surface and a paraboloid.
Further, a hollow hole is formed in the base, and the camera assembly collects the reflected image of the panoramic reflector through the hollow hole.
Furthermore, the panoramic view image collected by the collecting lens is an image of an annular area, and pixel points of the annular area are converted by the video processing unit and then displayed on the rectangular panoramic view image.
The invention also provides a panoramic monitoring device, by applying the panoramic monitoring recorder, the panoramic monitoring recorder is arranged on an automobile. The beneficial effects are that: the automobile parking system is convenient for carrying out all-around monitoring on the periphery of the automobile and improves the safety of the automobile in the driving and parking processes.
Further, a shark fin antenna is installed on the automobile, and the panoramic monitoring recorder is installed on the shark fin antenna. The beneficial effects are that: the panoramic image acquisition system is convenient to install, can completely acquire panoramic images around the automobile, and improves the monitoring effect on the automobile.
Drawings
Fig. 1 is a schematic structural diagram of a panoramic view monitoring recorder according to an embodiment of the invention;
FIG. 2 is a block diagram of an image processing module according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an acquisition lens acquiring an image of an annular region according to an embodiment of the present invention;
FIG. 4 is a panoramic view of an annular area of an embodiment of the present invention a schematic diagram of the transition between an image and a rectangular panoramic image;
FIG. 5 is a schematic image acquisition diagram of a spherical panoramic mirror according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of the panoramic view monitoring recorder installed on a shark fin antenna according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
In response to the problems existing in the prior art, the embodiment of the present invention provides a panoramic panoramic panoramic monitoring recorder, as shown in Figure 1, comprising:
A base 1;
a transparent fixed component;
the camera component 2 is arranged at the bottom end of the base 1;
the panoramic mirror 3 is arranged at the top end of the base 1 through the transparent fixing component;
the image processing module 4 is in communication connection with the camera assembly 2; wherein:
In this embodiment, when the panoramic view monitoring recorder works, an external panoramic view image is reflected by the panoramic reflector 3 and enters the base 1, the acquisition lens 21 of the camera assembly 2 acquires the panoramic view image reflected by the panoramic reflector 3, and then the acquired panoramic view image is received and processed by the video processing unit 41, and the acquired panoramic view image is converted into a rectangular panoramic view image.
In some embodiments, the transparent fixing assembly comprises a transparent ring 5, the transparent ring 5 is connected to the top end of the base 1, and the panoramic mirror 3 is arranged on the top end of the transparent ring 5, the transparent ring 5 fixes the panoramic reflector 3 on the top of the base 1, which is convenient for the panoramic reflector 3 to stably collect the external panoramic image, transparent ring 5 is not only convenient for fix the panoramic mirror on the base top, and what transparent ring 5 adopted simultaneously is transparent material for outside light can pass transparent ring 5 and enter into inside base 1, makes the unobstructed formation of image on the panoramic mirror of all around look and gather by camera subassembly, has guaranteed panoramic mirror 3 to the reflection effect of outside image, thereby has improved subsequent image processing quality.
Further, in this embodiment, the transparent fixing component is used to fix the panoramic mirror 3 on the top end of the base 1 and ensure that external light can pass through, so as to improve the reflection effect of the panoramic mirror 3.
In some embodiments, the focus of the panoramic reflector 3, the center of the transparent ring 5, and the focus of the capturing lens 21 are located on the same axis, so that in the process that an external image passes through the panoramic reflector 3, the transparent ring 5, and the capturing lens 21, the panoramic view images captured by the camera assembly 2 through the panoramic reflector 3 have the same view angle and the same proportion, the image quality of the panoramic view images captured by the camera assembly is improved, and the quality of subsequent image processing is improved.
In some embodiments, a reflective surface 31 for reflecting an image is disposed at the bottom of the panoramic mirror 3, the reflective surface 31 is directly opposite to the capture lens 21, and the image of the panoramic mirror 3 is accurately reflected to the image capture position of the capture lens 21 by the reflective surface 31, so that the image captured by the capture lens 21 is clearer and more complete.
In some embodiments, the reflecting surface 31 is a curved surface, including any one of a conical surface, a circular table surface, a spherical surface, and a paraboloid surface.
In some embodiments, the base 1 is provided with a hollow hole 11 inside, the camera assembly 2 collects the image reflected by the panoramic reflection mirror 3 through the hollow hole 11, and the arrangement of the hollow hole 11 enables the collection lens 21 of the camera assembly 2 to collect the image reflected by the panoramic reflection mirror 3, so that the collected image has a better effect.
In some embodiments, as shown in fig. 2, the image processing module 4 further includes a video display unit 42, where the video display unit 42 is communicatively connected to the video processing unit 41, and is configured to display the rectangular panoramic image, and when performing panoramic monitoring on an external image, the rectangular panoramic image converted by the video processing unit is displayed through the video display unit 42, so as to facilitate viewing of the rectangular panoramic image.
In still other embodiments, the image processing module 4 further includes a video storage unit 43, the video storage unit 43 is communicatively connected to the video processing unit 41, the video storage unit 43 is configured to store the rectangular panoramic image, and on the other hand, the processed rectangular panoramic image is stored through the video storage unit 43 so as to record related information.
In other embodiments, the video storage unit 43 is communicatively coupled to the video display unit 42, for playing back the stored rectangular panorama panoramic image in the video display unit 42, and the video display unit 42 can display not only the rectangular panorama panoramic image in real time, and, after the monitoring is completed, it is also possible to call up the rectangular panoramic view image stored in the video storage unit 43, the calling processing of the past date data is realized, so that different monitoring requirements are met, and the monitoring images can be traced and checked quickly.
As shown in fig. 3, the focal point of the capturing lens 21 is o, two arrows in fig. 3 are normal directions of the panoramic mirror 3 corresponding to the inner and outer radii of the selected annular region, the selected size of the annular region determines the viewing angle range of the panoramic image under the condition that other parameters are determined, and each parameter is optimized in order to further optimize the captured panoramic image.
In a further embodiment, as shown in fig. 4, the panoramic view image captured by the capture lens 21 is an image of an annular area, the pixels in the annular region are converted by the video processing unit 41 and then displayed on the rectangular panoramic image.
In the process of restoring the panoramic panoramic panoramic image of the surrounding area to a rectangular panoramic panoramic panoramic image, as shown in Figure 3, where point (u0, v0) is the center of the circular area, while r1 and r2 are the inner and outer ring radii of the circular area, point (x0, y0) is the pixel coordinates of the upper left corner of the rectangular panoramic panoramic image, where the x direction of the rectangular panoramic image is n pixels, and the y direction is r2-r1 pixels, The restoration mapping formula between the pixels of the panoramic panoramic panoramic image displayed in the circular area and the pixels of the rectangular panoramic panoramic panoramic image is:
P（x，y）= P（u，v）
u = u0 + (r2 - y)*Cos(a)
v = v0 + (r2 - y)*Sin(a)
a = 360*x/n。
Wherein (x, y) is the coordinate of the pixel point in the rectangular panoramic view around the scene, and (u, v) is the coordinate of the pixel point corresponding to the annular panoramic view around the scene, wherein a is the included angle between the connecting line of the pixel point and the center of the annular region and the connecting line of the focus of the collecting lens 21 and the center of the annular region.
In a preferred embodiment, as shown in fig. 5, the panoramic mirror 3 employs a reflecting surface 31 that is spherical with a radius of dimension a, selected to be 15mm, the camera resolution of the camera assembly 2 is 800W pixels, 3264 x 2448 resolution, the half viewing angle in the 2448 direction of the camera assembly 2 is selected to be 15, the design visual angle of the panoramic view of the panoramic view monitoring recorder is 45 degrees, wherein the horizontal upper visual angle B is 15 degrees, the horizontal lower visual angle C is 30 degrees, the image reflected by the panoramic reflector 3 is completely filled with the image of the collecting lens 21 of the camera assembly 2, and the image center of the panoramic reflector 3 coincides with the image center of the collecting lens 21 of the camera assembly 2.
According to the above parameters, the curvature radius of the reflecting surface 31 of the panoramic mirror 3 is calculated as:
R=15/Sin（b）=15/Sin（60）=17.32mm。
wherein b is an angle between a straight line on which a radius of a rightmost end of the reflection surface is located and a straight line in a vertical direction, wherein b = (15 + 90 + 15)/2 =60 °.
And the distance between the focus of the camera of the collecting lens 21 and the spherical center of the reflecting surface of the panoramic reflecting mirror is as follows:
L = 15*（Cot(15°) + Cot(60°)) =64.64mm；
according to the above parameters, by means of a numerical algorithm, the diameter D of the ring of the panoramic mirror corresponding to the horizontal lower view angle is calculated to be 15.23mm, and then the diameter of the sensor of the collecting lens 21 in terms of pixels is converted into: 2448 by 15.23/30 =1242; therefore, the annular panoramic area to be selected is an annular area with the center point of the capturing lens 21 as the origin, the outer ring radius of 1224 pixels, the inner ring radius of 621 pixels, and the vertical resolution of the panoramic view and the grid line of 1224-621=603 pixels.
The vertical resolution of the rectangular panoramic view is 600 pixels, the outer ring radius of the annular panoramic area is adjusted to 1221 pixels, and the inner ring radius is unchanged.
Since the vertical view angle of the panoramic view is 15+30=45 °, and the horizontal resolution of the 360 ° panoramic view is 600 × 360/45=4800 pixels, the mapping formula of the image restoration between the pixel point of the annular panoramic view image acquired by the acquisition lens 21 and the pixel point of the rectangular panoramic view image is as follows:
P（x，y） = P（u，v）
u = 2448/2 + (1221 - y)*Cos(a)
v = 3264/2 + (1221 - y)*Sin(a)
a = 360*x/4800
wherein (x, y) is the coordinate of the pixel point in the rectangular panoramic view, and (u, v) is the coordinate of the pixel in the annular panoramic view, wherein a is the included angle between the connecting line of the pixel point and the center of the annular area and the connecting line of the focus of the collecting lens 21 and the center of the annular area.
The invention also discloses an application of the panoramic monitoring recorder, the panoramic monitoring recorder is arranged on the automobile, the condition of the automobile is comprehensively monitored, the monitoring effect is improved, the image resolution after monitoring is high, distortion is not prone to occurring, and the automobile driving monitoring with higher requirements can be met.
In some embodiments, as shown in fig. 6, a shark fin antenna 6 is installed on the automobile, and the panoramic view monitoring recorder 7 is installed on the shark fin antenna 6, and since the shark fin antenna 6 is installed on the top of the automobile, the panoramic view monitoring recorder 7 is installed on the shark fin antenna 6, so that the installation is easy, and the panoramic view monitoring recorder can collect more complete and clear monitoring images, thereby improving the monitoring effect.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations fall within the scope and spirit of the present invention as set forth in the following claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.
Claims (9)
1. The utility model provides a panorama panoramic monitoring recorder which characterized in that includes:
a base;
a transparent fixing member;
the camera assembly is arranged at the bottom end of the base;
the panoramic reflector is arranged at the top end of the base through the transparent fixing component;
the image processing module is in communication connection with the camera assembly;
wherein;
the camera assembly comprises a collecting lens used for collecting the panoramic view image reflected by the panoramic reflector, the image processing module comprises a video processing unit in communication connection with the camera assembly, the video processing unit converts the panoramic view image collected by the camera assembly into a rectangular panoramic view image, the transparent fixing assembly comprises a transparent ring, the transparent ring is connected to the top end of the base, the panoramic reflector is arranged at the top of the transparent ring, a hollow hole is formed in the base, the camera assembly collects images reflected by the panoramic reflector through the hollow hole, and the focus of the panoramic reflector, the circle center of the transparent ring and the focus of the collecting lens are located on the same axis;
the video processing unit collects the camera component the panoramic view image of (a) is converted into a rectangular panoramic view image, the method comprises the following steps:
according to the angle of the visual angle of the panoramic image acquired by the camera assembly and the size radius of the reflecting surface of the panoramic reflecting mirror, the curvature radius of the reflecting surface of the panoramic reflecting mirror and the distance from the focus of the acquisition lens to the center of the reflecting surface of the panoramic reflecting mirror are obtained through space geometric operation;
according to the curvature radius of the reflecting surface of the panoramic reflecting mirror, the distance between the focus of the collecting lens and the center of the reflecting surface of the panoramic reflecting mirror, the angle of the view angle of the panoramic image collected by the camera assembly and the size radius of the reflecting surface of the panoramic reflecting mirror, calculating by a numerical algorithm to obtain the diameter of a ring of the corresponding panoramic reflector at the horizontal view angle of the panoramic image collected by the camera assembly;
converting the diameter of the circular ring and the resolution of the acquisition lens to obtain the outer ring radius and the inner ring radius of the circular area of the panoramic image acquired by the camera assembly by taking the pixel as a unit;
According to the mapping relationship between the outer ring radius and the inner ring radius, as well as the pixel coordinates of the panoramic panoramic image collected by the camera component and the pixel coordinates of the rectangular panoramic image, the panoramic panoramic image collected by the camera component is converted into the rectangular panoramic image.
2. The panoramic panoramic panoramic surveillance recorder according to claim 1, characterized in that the image processing module further includes a video display unit, which is communicated and connected to the video processing unit for displaying the rectangular panoramic panoramic panoramic image.
3. The panoramic panoramic panoramic surveillance recorder according to claim 2, characterized in that the image processing module further includes a video storage unit, which is communicated and connected to the video processing unit, and the video storage unit is used to store the rectangular panoramic panoramic panoramic image.
4. The panoramic panoramic panoramic surveillance recorder according to claim 3, characterized in that the video storage unit is communicated and connected to the video display unit for playback of the stored rectangular panoramic panoramic panoramic image in the video display unit.
5. The panoramic panoramic panoramic monitoring recorder according to claim 1, characterized in that the bottom of the panoramic reflector is provided with a reflecting surface for reflecting images, which is directly opposite to the acquisition lens.
6. The panoramic perimetric monitoring recorder according to claim 5, characterized in that the reflecting surface comprises any one of a conical surface, a circular table surface, a spherical surface and a paraboloidal surface.
7. The panoramic panoramic panoramic surveillance recorder according to claim 1, characterized in that the panoramic panoramic image captured by the acquisition lens is an image of a circular area, and the pixel points of the circular area are converted by the video processing unit and displayed on the rectangular panoramic panoramic image.
8. A panoramic panoramic panoramic monitoring device, comprising a panoramic panoramic panoramic monitoring recorder according to any one of claims 1 to 7, characterized in that the panoramic panoramic panoramic monitoring recorder is installed on a vehicle.
9. The panoramic panoramic panoramic monitoring device according to claim 8, characterized in that the vehicle is equipped with a shark fin antenna, and the panoramic panoramic panoramic monitoring recorder is installed on the shark fin antenna.
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| CN112929534A (en) | 2021-06-08 |
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