CN114077150A - Multi-focus camera - Google Patents
Multi-focus camera Download PDFInfo
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- CN114077150A CN114077150A CN202111392815.5A CN202111392815A CN114077150A CN 114077150 A CN114077150 A CN 114077150A CN 202111392815 A CN202111392815 A CN 202111392815A CN 114077150 A CN114077150 A CN 114077150A
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- 238000012545 processing Methods 0.000 claims description 20
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- 238000011426 transformation method Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention relates to a multi-focal-length camera, comprising: a camera body and a plurality of lenses; each lens is respectively arranged on the camera body; the focal lengths of the lenses are different, the lens with the smallest focal length is used for acquiring a panoramic image, and the lens with the largest focal length is used for acquiring a long-range image. The invention simultaneously obtains the panoramic image and the long-distance view image of the long and narrow channel through each lens, thereby realizing the full monitoring of different scenes from near to far in a certain area.
Description
Technical Field
The invention relates to the technical field of cameras, in particular to a multi-focal-length camera.
Background
At present, cameras are arranged at places such as roads, railways, tunnels, bridges and the like, and videos of the places are acquired through the cameras, so that a user can conveniently acquire relevant data according to the videos, for example, relevant data of each vehicle passing through the road is determined according to the videos acquired from the road.
Related art cameras are classified into a dome camera, a gun camera, and an array camera. Among them, the ball machine is also called as zoom camera, and it possesses the ability of shooing under different focal length, but the ball machine can only shoot under a focal length simultaneously, when the ball machine shoots near promptly, can't compromise the scene of far away, and when the ball machine shoots far away, near scene then can be omitted. The rifle bolt usually has only a camera lens, and mostly is wide-angle lens, can only shoot closely the target, can't compromise the scene of distant place. The array camera is generally composed of a plurality of detail lenses, and the focal lengths of the detail lenses are the same, so that a short-distance scene and a long-distance scene cannot be shot simultaneously.
Therefore, the camera of the related art cannot photograph a long and narrow channel, and cannot photograph a close-range scene and a far-range scene at the same time.
Disclosure of Invention
In view of this, a multi-focus camera is provided to solve the problem that the camera in the related art cannot shoot a long and narrow channel and cannot shoot a close-range scene and a far-range scene at the same time.
The invention adopts the following technical scheme:
a multi-focal-segment camera, comprising: a camera body and a plurality of lenses;
each lens is respectively arranged on the camera body;
the focal lengths of the lenses are different, the lens with the smallest focal length is used for acquiring a panoramic image, and the lens with the largest focal length is used for acquiring a long-range image.
Preferably, the number of the lenses is 6;
the focal length of each lens is 12mm, 16mm, 25mm, 35mm, 50mm and 75mm respectively.
Preferably, the camera body includes an image processing device;
the image processing device is electrically connected with the lenses and used for acquiring pictures shot by the lenses and combining the pictures into an integral picture of the target shooting area based on a homography transformation method.
Preferably, the image processing apparatus is further configured to determine a target object in each of the frames.
Preferably, the camera body further comprises a module;
the number of the modules is the same as that of the lenses, and each lens is installed on the camera body through the corresponding module.
Preferably, the module comprises: the camera comprises a flange, a camera photosensitive device integrated circuit board and a video processing chip integrated circuit board;
the camera light sensing device integrated circuit board and the video processing chip integrated circuit board are fixed by using copper columns;
the camera light sensing device integrated circuit board and the video processing chip integrated circuit board are provided with connecting terminals, and the connecting terminals are connected through flat cables.
Preferably, the front and the side of the flange are provided with screw holes, so that the front and the side of the flange can be fixed on a preset bracket through the screw holes and external screws.
Preferably, the module and the lens are fixed on the camera body through a bracket;
the support is a movable support, so that a user can adjust the position of each lens by adjusting the support according to actual requirements.
Preferably, the bracket comprises a bracket body and a flange positioning surface;
the bracket body is movably connected with the flange positioning surface; the flange positioning surface is arranged at the position of the bracket body corresponding to the structure for fixing the module;
the bracket body and the flange positioning surface are used for fixing the module;
the setting position of the flange positioning surface is determined according to the corresponding lens, so that a user can adjust the position corresponding to the lens by adjusting the setting position of the flange positioning surface according to actual requirements.
Preferably, the camera body further includes a heat radiation fan;
the heat radiation fan is arranged at the rear end of the camera body and used for accelerating the heat radiation speed of the camera body.
By adopting the technical scheme, the invention provides a multi-focus camera, which comprises: a camera body and a plurality of lenses; each lens is respectively arranged on the camera body; the focal lengths of the lenses are different, the lens with the smallest focal length is used for acquiring a panoramic image, and the lens with the largest focal length is used for acquiring a long-range image. Based on the method, the panoramic image and the long and narrow channel long and narrow image are acquired through the lenses, so that the different scenes from near to far in a certain area can be fully monitored.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a camera according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a module according to an embodiment of the present invention;
fig. 3 is a view simulation diagram of a camera according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of components of a multi-focus camera according to an embodiment of the present invention;
FIG. 5 is an assembled view of the module positioning assembly of FIG. 4;
fig. 6 is an assembled view of the rear cover assembly of fig. 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In order to solve the problems that a camera in the related art cannot shoot a long and narrow channel and cannot shoot a close-range scene and a far-range scene at the same time, an embodiment of the present invention provides a multi-focus camera, including: the camera comprises a camera body and a plurality of lenses.
Wherein each lens is respectively arranged on the camera body; the focal lengths of the lenses are different, the lens with the smallest focal length is used for acquiring a panoramic image, and the lens with the largest focal length is used for acquiring a long-range image.
Specifically, the camera body is a camera body in the prior art. The number and the focal length of the lenses are not limited in the embodiment, and the number of the lenses and the focal length of each lens can be set by a user according to actual requirements. In a specific example, fig. 1 is a schematic structural diagram of a camera according to an embodiment of the present invention, as shown in fig. 1, the camera according to the embodiment is provided with 6 lenses 11, each of the lenses 11 is respectively disposed on a camera body 12, and focal lengths of the lenses 11 are respectively 12mm, 16mm, 25mm, 35mm, 50mm, and 75 mm.
Preferably, the camera body 11 includes a module; the number of the modules is the same as that of the lenses, and each lens is installed on the camera body through the corresponding module.
Specifically, fig. 2 is a schematic structural diagram of a module according to an embodiment of the present invention. As shown in fig. 2, the module of the present embodiment includes: flange 21, camera photosensitive device integrated circuit board 22 and video processing chip integrated circuit board 23.
Wherein, the camera photosensitive device integrated circuit board 22 and the video processing chip integrated circuit board 23 are fixed by a copper column 24; the camera photosensitive device integrated circuit board 22 and the video processing chip integrated circuit board 23 are both provided with connecting terminals, and the connecting terminals are connected by flat cables.
In detail, the connection terminal is used for transmitting signals such as data. The front and the side of flange 21 all are provided with the screw hole, and outside screw can be fixed the flange on predetermineeing the support through this screw hole, and the front and the side of flange 21 all are provided with the screw hole for the front and the side of flange 21 all can pass through screw hole and outside screw fixation are on predetermineeing the support, and all can fix the flange on predetermineeing the support under the different situation of being convenient for. In addition, as shown in fig. 2, a circular hole 211 for fixing a lens is provided at a middle position of the front surface of the flange.
Preferably, the module and the lens are fixed on the camera body through a bracket; the support is a movable support, so that a user can adjust the position of each lens through the support according to actual requirements.
The camera shell comprises a support fixing module and a lens, wherein the support fixing module and the lens are arranged in the camera shell, and a flange positioning surface of the support is designed according to shooting angles of different focal length lenses, so that after each lens is fixed to the support through a flange, a picture of a target scene can be shot according to the requirements of a user, for example, a short-distance scene and a far-distance scene can be shot simultaneously.
Preferably, the camera body includes an image processing device;
the image processing device is electrically connected with the lenses and used for acquiring pictures shot by the lenses and combining the pictures into an integral picture of the target shooting area based on a homography transformation method.
Specifically, fig. 3 is a view simulation diagram of a camera according to an embodiment of the present invention. Referring to fig. 3, the lens with the shortest focal length can take a panoramic picture, has a wide coverage area, and can particularly clearly cover a near area in a long and narrow channel so as to perform artificial intelligent algorithms such as license plate recognition and face recognition. With the increase of the focal length, the shooting area of the lens gradually decreases towards the middle upper part of the picture of the second short-focus lens, so that the area at the second near part in the long and narrow channel is clearly covered, other longer-focus lenses sequentially shoot the corresponding areas according to the rule, and finally, the shooting areas of the lenses are in a 'nesting doll' shape layout as shown in fig. 3.
In addition, the area formed by the mark line 31 in fig. 3 is a narrow and long channel that can be clearly covered by the camera, and is in a trapezoid layout from the near to the far. Secondly, for the pictures at the two sides of the trapezoid area, because the pictures are not the main concerned areas, only a wide-angle lens (i.e. a lens with a smaller focal length) is arranged to obtain the overall situation, and a telephoto lens is not arranged to cover the areas.
The image processing device obtains a homography transformation matrix by registering the characteristic points between two pictures, then the coordinates in one picture can obtain the coordinates of the corresponding position in the other picture through homography transformation, and thus, all the pictures are combined into the whole picture of the target shooting area.
Preferably, the image processing apparatus is further configured to determine a target object in each of the frames.
In detail, when the target moves from far to near, the phenomenon of lens crossing among multiple lenses occurs, and the image processing device can realize that the same target crosses the lens among the multiple lenses without losing through coordinate position conversion. More specifically, the target object is determined in a plurality of shot pictures by a monitoring image target tracking method in the prior art.
Fig. 4 is a schematic component diagram of a multi-focus camera according to an embodiment of the present invention. As shown in fig. 4, the multi-focal-length camera of the present embodiment includes: the front cover assembly 411, the lens cover 412, the module positioning assembly 413, the O-shaped rubber sealing ring 414, the shell 415, the hexagonal copper column 416, the heating module 417, the small host 418, the rear cover assembly 419, the aviation plug 420, the cross recessed pan head screw 421, the spring washer 422, the switch 423 and the inner hexagonal socket head screw 424. The positional relationship of the respective parts is shown in fig. 4.
It should be noted that the assembling sequence of the multi-focal-length camera of the present embodiment is as follows: the case → the module positioning combination → the lens hood → the rubber gasket (front part) → the front cover assembly → the small host → the hexagonal copper pillar (M1.6 × 5+3) → the heating module → the hexagonal copper pillar (M3 × 5+5) → the switch → the air insertion → the rubber gasket (rear part) → the rear cover.
In addition, between little host computer and the casing, scribble heat conduction silicone grease, perhaps add the heat conduction pad to strengthen the heat conduction intensity between little host computer and the casing for little host computer carries out radiating speed through the shell.
Fig. 5 is an assembled view of the module positioning assembly of fig. 4. As shown in fig. 5, the module positioning assembly of the present embodiment includes: lens 11, cross recessed pan head screws 421, spring washers 422, module alignment bracket 51, camera module 52, and camera module spacer 53. The positional relationship of the components is shown in fig. 5.
It should be noted that the assembly sequence of the module positioning assembly of the present embodiment is as follows: module positioning frame → camera module pad → camera module → lens.
Fig. 6 is an assembled view of the rear cover assembly of fig. 4. As shown in fig. 6, the rear cover assembly of the present embodiment includes: a socket head cap screw 424, a spring washer 422, a flat washer 61, a heat radiation fan 62 and a rear cover 63. The positional relationship of the respective parts is shown in fig. 6.
It should be noted that the assembly sequence of the rear cover assembly of the present embodiment is: rear cover → heat fan.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A multi-focal-segment camera, comprising: a camera body and a plurality of lenses;
each lens is respectively arranged on the camera body;
the focal lengths of the lenses are different, the lens with the smallest focal length is used for acquiring a panoramic image, and the lens with the largest focal length is used for acquiring a long-range image.
2. The multi-focal-length camera of claim 1, wherein the number of lenses is 6;
the focal length of each lens is 12mm, 16mm, 25mm, 35mm, 50mm and 75mm respectively.
3. The multi-focal-length camera of claim 1, wherein the camera body comprises an image processing device;
the image processing device is electrically connected with the lenses and used for acquiring pictures shot by the lenses and combining the pictures into an integral picture of the target shooting area based on a homography transformation method.
4. The multi-focus camera as claimed in claim 3, wherein the image processing device is further configured to determine a target object in each of the frames.
5. The multi-focal-section camera of claim 1, wherein the camera body further comprises a module;
the number of the modules is the same as that of the lenses, and each lens is installed on the camera body through the corresponding module.
6. The multi-focal-section camera of claim 5, wherein the module comprises: the camera comprises a flange, a camera photosensitive device integrated circuit board and a video processing chip integrated circuit board;
the camera light sensing device integrated circuit board and the video processing chip integrated circuit board are fixed by using copper columns;
the camera light sensing device integrated circuit board and the video processing chip integrated circuit board are provided with connecting terminals, and the connecting terminals are connected through flat cables.
7. The multi-focal-length camera according to claim 6, wherein the flange is provided with screw holes at both front and side surfaces thereof, so that both the front and side surfaces of the flange can be fixed on a predetermined bracket by the screw holes and external screws.
8. The multi-focal-length camera of claim 5, wherein the module is fixed to the camera body by a bracket;
the support is a movable support, so that a user can adjust the position of each lens by adjusting the support according to actual requirements.
9. The multi-focal-section camera of claim 8, wherein the mount comprises a mount body and a flange positioning surface;
the bracket body is movably connected with the flange positioning surface; the flange positioning surface is arranged at the position of the bracket body corresponding to the structure for fixing the module;
the bracket body and the flange positioning surface are used for fixing the module;
the setting position of the flange positioning surface is determined according to the corresponding lens, so that a user can adjust the position corresponding to the lens by adjusting the setting position of the flange positioning surface according to actual requirements.
10. The multi-focal-section camera of claim 1, wherein the camera body further comprises a heat dissipation fan;
the heat radiation fan is arranged at the rear end of the camera body and used for accelerating the heat radiation speed of the camera body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111392815.5A CN114077150A (en) | 2021-11-23 | 2021-11-23 | Multi-focus camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111392815.5A CN114077150A (en) | 2021-11-23 | 2021-11-23 | Multi-focus camera |
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| Publication Number | Publication Date |
|---|---|
| CN114077150A true CN114077150A (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111392815.5A Pending CN114077150A (en) | 2021-11-23 | 2021-11-23 | Multi-focus camera |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776951A (en) * | 2022-04-18 | 2022-07-22 | 北京拙河科技有限公司 | Billion-pixel multi-scale camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773511A (en) * | 2016-12-27 | 2017-05-31 | 未来现实（武汉）科技有限公司 | A kind of many mesh panorama cameras of combined type |
| CN108513097A (en) * | 2017-02-27 | 2018-09-07 | 杭州海康威视数字技术股份有限公司 | A kind of more mesh photographic devices and monitoring system |
| CN209447328U (en) * | 2019-03-19 | 2019-09-27 | 江苏尤特斯新技术有限公司 | Compound eye traffic offence apparatus for obtaining evidence |
| CN110349084A (en) * | 2019-05-22 | 2019-10-18 | 上海复瞰科技有限公司 | A kind of joining method suitable for multifocal section of camera video image |
-
2021
- 2021-11-23 CN CN202111392815.5A patent/CN114077150A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773511A (en) * | 2016-12-27 | 2017-05-31 | 未来现实（武汉）科技有限公司 | A kind of many mesh panorama cameras of combined type |
| CN108513097A (en) * | 2017-02-27 | 2018-09-07 | 杭州海康威视数字技术股份有限公司 | A kind of more mesh photographic devices and monitoring system |
| CN209447328U (en) * | 2019-03-19 | 2019-09-27 | 江苏尤特斯新技术有限公司 | Compound eye traffic offence apparatus for obtaining evidence |
| CN110349084A (en) * | 2019-05-22 | 2019-10-18 | 上海复瞰科技有限公司 | A kind of joining method suitable for multifocal section of camera video image |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776951A (en) * | 2022-04-18 | 2022-07-22 | 北京拙河科技有限公司 | Billion-pixel multi-scale camera |
| CN114776951B (en) * | 2022-04-18 | 2022-11-29 | 北京拙河科技有限公司 | Billion-pixel multi-scale camera |
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