CN211205302U - Auxiliary positioning device for multi-view camera acquisition system - Google Patents
Auxiliary positioning device for multi-view camera acquisition system Download PDFInfo
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- CN211205302U CN211205302U CN202020137725.6U CN202020137725U CN211205302U CN 211205302 U CN211205302 U CN 211205302U CN 202020137725 U CN202020137725 U CN 202020137725U CN 211205302 U CN211205302 U CN 211205302U
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Abstract
The utility model belongs to the technical field of three-dimensional formation of image, concretely relates to many meshes camera acquisition system assistance-localization real-time device, include: the height gauge comprises a sliding chute in sliding connection with the upright column, a direction gauge in rotating connection with the sliding chute, and a directional device fixedly arranged on the direction gauge; the utility model discloses a set up the angle scale on the base, set up high scale, configuration protractor on the stand, with the help of laser line position and the direction of laser pen transmission, get up above-mentioned position, distance and the ingenious correlation of angle for stand and camera can high-efficient and fix a position fast, need not the staff and guide, have improved the flexibility of camera array greatly, and have very high practicality.
Description
Technical Field
The utility model belongs to the technical field of three-dimensional formation of image, concretely relates to many meshes camera acquisition system assistance-localization real-time device.
Background
With the development of machine vision and three-dimensional imaging technologies, 3D image modeling has been applied in more and more scenes, such as the fields of movie stunts, cultural relic protection, movie and television production, cartoon games, motion capture, and the like. The 3D image modeling mainly collects images of sample objects in an all-around manner through multiple angles, and hundreds of images are often collected for one object. Image acquisition is used as a precondition of machine vision and a three-dimensional imaging system, and the quality and the mode of image acquisition influence the imaging effect. In order to obtain a better imaging effect, a plurality of cameras need to work simultaneously to acquire, so that a camera array is an important part of an acquisition system, and the requirement for constructing a multi-view camera array acquisition device is higher and higher.
The existing multi-view camera array acquisition device generally adopts a column structure and a dome structure, a multi-view camera is mounted on a bracket, and a camera view field axis is aligned with the center of a sample object. The working distance and the view field of the camera system are related to the structure and the position of the bracket, and if the working distance of the camera system is required to be changed, the structure, the position and other parameters of the bracket are required to be adjusted.
The deployment frame and the corresponding fittings are usually directly measured with a ruler. The mounting structure of the bracket, the space between adjacent parts and the orientation can be changed along with the requirements of the acquisition system, the structure is slightly complex, the number of parts is large, and if the size is directly measured, the fixing precision of the support part is limited and the mounting and adjusting efficiency is low.
Disclosure of Invention
The utility model discloses a solve above-mentioned problem, provide a can adjust the many meshes camera acquisition system auxiliary positioning device of position, working distance and the visual field axle of each camera according to actual demand.
The utility model discloses a technical scheme be: an auxiliary positioning device for a multi-view camera acquisition system, comprising: the base is fixed to be disposed in the angle scale at base center, is a plurality of the same stands that radian evenly distributed set up on the base around the angle scale, be disposed with the height scale on the stand, still have the altimeter on the stand, the altimeter with stand sliding connection, the altimeter include with stand sliding connection's spout, with the direction appearance that the spout rotated to be connected to and the fixed orienting device who sets up on the direction appearance.
Further, the orientation device is a laser, and the laser points to the center of the angle scale.
Furthermore, the laser is specifically a detachable laser pen.
As an improvement, the direction indicator is also provided with a protractor used for measuring the included angle between the laser extension line and the upright post.
As a further improvement, the height gauge further comprises a connecting part, one side of the connecting part is fixedly connected with the sliding groove, and the other side of the connecting part is rotatably connected with the direction gauge.
Preferably, the connecting portion further includes a receiving groove for receiving the laser pointer.
Preferably, the light of the laser pen is cross-line laser.
The utility model relates to a many meshes camera collection system auxiliary positioning device and method, through set up the angle scale on the base, set up high scale, configuration protractor on the stand, with the help of laser line position and direction of laser pen transmission, get up above-mentioned position, distance and the ingenious correlation of angle for stand and camera can high-efficient and quick location, need not the staff and guide, have improved the flexibility of camera array greatly, and have very high practicality.
Drawings
Fig. 1 is a schematic view of the overall structure of an auxiliary positioning device of a multi-view camera acquisition system of the present invention;
fig. 2 is a schematic structural view of an altimeter of the auxiliary positioning device of the multi-view camera acquisition system of the present invention;
fig. 3 is another angle structure diagram of the height gauge of the auxiliary positioning device of the multi-view camera acquisition system of the present invention;
fig. 4 is another angle structure diagram of the height gauge of the auxiliary positioning device of the multi-view camera acquisition system of the present invention;
fig. 5 is a block diagram illustrating the flow steps of the auxiliary positioning method for the multi-view camera acquisition system of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.
Example 1:
as shown in fig. 1-4, an auxiliary positioning device for a multi-view camera acquisition system comprises: the base 1, is fixed to the angle scale 11 in the centre of the base 1, it is the same column 2 that the radian is distributed and set up on the base 1 evenly to surround the angle scale 11, the column 2 is the vertical type of the rod-like and fixed on base 1, set up the height scale 21 of the digital mark on the 2 poles of column, in order to label the accurate height of every point on the 2 poles of column, the height scale 21 can adopt and carve the scale or paste the gauge ruler with scale; by means of the digital identification, the cameras can be quickly positioned on the post 2 rod.
The upright post 2 is also provided with a height gauge 3, the height gauge 3 is generally a clamp or a set, and the height gauge 3 is connected with the upright post 2 in a sliding manner; the height gauge 3 further comprises a connecting part 34, one side of the connecting part 34 is fixedly connected with the sliding groove, and the other side of the connecting part 34 is rotatably connected with the direction gauge 31. The height gauge 3 comprises a sliding groove connected with the upright post 2 in a sliding manner, a direction gauge 31 connected with the sliding groove in a rotating manner, and a directional device fixedly arranged on the direction gauge 31. As a preferred embodiment, the direction indicator 31 is further provided with an angle gauge 33 for measuring an included angle between the laser extension line and the upright 2.
Specifically, the orientation device is a laser, and the laser points to the center of the angle scale 11. In a preferred embodiment, the laser is embodied as a laser pointer 32, and the laser pointer 32 is detachably mounted on the direction indicator 31 through a mounting beam 36. Further, the light of the laser pointer 32 is a cross-line laser. Adopt cross line laser pen 32, launch the laser line of cross division, aim at circular mark target pattern center with its cross center, look over the laser line of radial direction and the angle scale of angle scale 11 pattern, obtain the direction angle of current stand 2 promptly, remove altimeter 3 to the same high position department of all the other stands 2, can high accuracy and appoint the direction of each stand 2 conveniently and efficiently. As a preferred embodiment, the connecting portion 34 further includes a receiving groove 35, and the receiving groove 35 is used for receiving the laser pointer 32.
When the position and the direction of the upright post 2 are adjusted, the laser pen 32 is lightened to emit a laser spot, and the horizontal distance from the center of the laser spot to the current upright post 2 can be known by utilizing the scale corresponding to the position of the trigonometric function and the height gauge 3, namely the working distance WD when the camera is installed at the position.
Keeping the included angle between the direction indicator 31 and the upright post 2 unchanged, namely the included angle α between the direction indicator 31 and the upright post 2 unchanged, fixing the height indicators 3 of different upright posts 2 at the same height position, and if the centers of the light spots are both located at the center of the angle scale 11, then all the upright posts 2 of the multi-view camera acquisition system are located on an arc which takes the center of the circular target pattern as the center of a circle and the working distance as the radius.
Example 2
As shown in fig. 5, an auxiliary positioning method for a multi-view camera acquisition system is applied to the auxiliary positioning device, and includes the following steps:
s1, acquiring the working distance WD of the camera and the included angle α of the direction indicator;
s2, calculating the height H of the upright on which the height gauge is positioned according to the formula, wherein WD is Htan α;
s3, placing the height gauge on a corresponding scale on the upright post, and opening the laser pen to emit laser, so that the center of the cross line laser is aligned with the center of the angle scale to complete the positioning of the reference upright post;
s4, determining the number of required cameras according to the shooting requirements and the same overlapping rate of the cameras in the horizontal direction;
s5, according to the shooting angle range θ, using the formula:
determining a direction included angle between adjacent cameras;
and S6, repeating the step S3 according to the direction included angle to complete the positioning of the rest upright posts.
The utility model relates to a many meshes camera collection system auxiliary positioning device and method, through set up the angle scale on the base, set up high scale, configuration protractor on the stand, with the help of laser line position and direction of laser pen transmission, get up above-mentioned position, distance and the ingenious correlation of angle for stand and camera can high-efficient and quick location, need not the staff and guide, have improved the flexibility of camera array greatly, and have very high practicality.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the invention.
Claims (7)
1. The utility model provides a many meshes camera acquisition system auxiliary positioning device which characterized in that includes: the base is fixed to be disposed in the angle scale at base center, is a plurality of the same stands that radian evenly distributed set up on the base around the angle scale, be disposed with the height scale on the stand, still have the altimeter on the stand, the altimeter with stand sliding connection, the altimeter include with stand sliding connection's spout, with the direction appearance that the spout rotated to be connected to and the fixed orienting device who sets up on the direction appearance.
2. The auxiliary positioning device of the multi-view camera capturing system of claim 1, wherein the orientation device is a laser, the laser pointing to the center of the angle scale.
3. Auxiliary positioning device for a multi-view camera acquisition system according to claim 2, characterized in that said laser is embodied as a detachable laser pointer.
4. The auxiliary positioning device of claim 3, wherein the direction finder is further provided with a protractor for measuring an included angle between the laser extension line and the upright.
5. The auxiliary positioning device of claim 4, wherein the height gauge further comprises a connecting portion, one side of the connecting portion is fixedly connected to the sliding groove, and the other side of the connecting portion is rotatably connected to the direction gauge.
6. The auxiliary positioning device of claim 5, wherein the connecting portion further comprises a receiving groove for receiving the laser pointer.
7. The auxiliary positioning device of claim 6, wherein the light of the laser pointer is a cross-line laser.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020137725.6U CN211205302U (en) | 2020-01-20 | 2020-01-20 | Auxiliary positioning device for multi-view camera acquisition system |
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| CN202020137725.6U CN211205302U (en) | 2020-01-20 | 2020-01-20 | Auxiliary positioning device for multi-view camera acquisition system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353703A (en) * | 2022-01-07 | 2022-04-15 | 长春希达电子技术有限公司 | Method and device for simply measuring splicing flatness of side light mode LED screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353703A (en) * | 2022-01-07 | 2022-04-15 | 长春希达电子技术有限公司 | Method and device for simply measuring splicing flatness of side light mode LED screen |
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