CN112839218A - Three-eye oblique photography method - Google Patents
Three-eye oblique photography method Download PDFInfo
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- CN112839218A CN112839218A CN202011532152.8A CN202011532152A CN112839218A CN 112839218 A CN112839218 A CN 112839218A CN 202011532152 A CN202011532152 A CN 202011532152A CN 112839218 A CN112839218 A CN 112839218A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/243—Image signal generators using stereoscopic image cameras using three or more 2D image sensors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/296—Synchronisation thereof; Control thereof
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Abstract
The invention discloses a trinocular oblique photography method, which relates to the technical field of oblique photography, and is composed of an A camera system, a B camera system and a C camera system based on a photography system framework, wherein the method comprises the following steps: s1, when shooting, dividing the shooting into two states or steps, wherein the state 1 is that the shooting system A, the shooting system B and the shooting system C are divided into three paths for shooting; s2, after the shooting in the step S1 is finished, the camera system A and the camera system B rotate 180 degrees anticlockwise by taking the camera system C as an axis, and the state is changed to be 2; s3, when the state is changed to "state 2", the a imaging system and the B imaging system perform imaging again. According to the three-eye oblique photographing method, the camera system A, the camera system B and the camera system C are arranged among the camera systems A, B and C for rotary photographing, so that the hardware cost can be greatly reduced, the weight is reduced, and the size is reduced.
Description
Technical Field
The invention relates to the technical field of oblique photography, in particular to a three-eye oblique photography method.
Background
The oblique photography technology is a high and new technology developed in recent years in the international surveying and mapping field, which overturns the limitation that the prior orthoimage can only be shot from a vertical angle, and introduces a user into a real visual world which accords with human vision by carrying a plurality of sensors on the same flight platform and acquiring images from five different angles of one vertical angle, four oblique angles and the like.
According to the technology, images are synchronously acquired from a vertical view angle, four oblique views angle and five different view angles, so that abundant high-resolution textures of the top surface and the side view of the building are obtained. Whole shooting process mount carries out the high latitude on unmanned aerial vehicle and shoots. And in the shooting process of the shot picture, information processing such as geographic information import, optical parameter import and the like is carried out on the shot picture by a camera, so that the import requirement of a later three-dimensional reconstruction system is met. The method is characterized in that five lenses work simultaneously, pictures are shot at each time and processed in parallel, the shooting speed is high, the angle is fixed, and the picture quality is stable. The three-dimensional modeling is carried out by using the shot pictures, the vivid live-action 3D, the high-precision size reduction close to 1: 1 and the geographic coordinate position can be obtained, the three-dimensional modeling method is widely applied to the industries such as emergency command, homeland security, city management, house tax revenue and the like in developed countries such as Europe and America, the cost of oblique photography products in the whole industry is high due to the fact that a large number of high-precision optical systems and matched control systems are used, and the market price of the oblique photography products is mostly higher than that of a high-precision surveying and mapping unmanned aerial vehicle.
Therefore, a three-eye oblique photographing method is required to solve the above problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a three-eye oblique photography method, which solves the problem that the cost of oblique photography products in the whole industry of oblique photography technology is high.
(II) technical scheme
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a trinocular oblique photography method, which is composed of an A camera system, a B camera system and a C camera system based on a photography system framework, comprises the following steps:
s1, when shooting, dividing the shooting into two states or steps, wherein the state 1 is that the shooting system A, the shooting system B and the shooting system C are divided into three paths for shooting;
s2, after the shooting in the step S1 is finished, the camera system A and the camera system B rotate 180 degrees anticlockwise by taking the camera system C as an axis, and the state is changed to be 2;
s3, after the state is changed to be 2, the camera system A and the camera system B shoot again;
s4, after the shooting in the step S3 is finished, the camera system A and the camera system B rotate clockwise 180 degrees by taking the camera system C as an axis to enter a state 1;
s5, switching between the state 1 and the state 2 to realize shooting of 5-path lenses with different visual angles.
Preferably, the camera system a and the camera system B in the camera system framework can rotate around the camera system C around the axis, the camera system C is a central system, the camera system C is fixed at the center and cannot move, and the camera system C cannot rotate.
Preferably, the inclination angles of the camera system A and the camera system B can be adjusted for the purpose of shooting.
Preferably, the states 1 and 2 are switched in a rotating mode, and a specific switching method can be a mechanical rotating mode, a motor control mode, a link mechanism or a spring mechanism mode.
(III) advantageous effects
The invention has the beneficial effects that:
1. according to the three-eye oblique photographing method, the camera system A, the camera system B and the camera system C are arranged among the camera systems A, B and C for rotary photographing, so that the hardware cost can be greatly reduced, the weight is reduced, and the size is reduced.
2. According to the three-eye oblique photography method, the camera system A, the camera system B and the camera system C are arranged among the camera system A, the camera system B and the camera system C for rotary shooting, the camera system A, the camera system B and the camera system C are simple in arrangement mode and structure and compact in size, the camera system A and the camera system B rotate to enter the state 1 or the state 2 by taking the camera system C as an axis, then the two states can be switched to shoot, further the shooting of 5-path lenses at different visual angles is achieved, and the operation is easier during shooting operation.
Drawings
FIG. 1 is a schematic view showing the rotation states of an A camera system, a B camera system and a C camera system according to the present invention;
FIG. 2 is a schematic diagram showing the change of the vertical photographing angle of the photographing system B after rotating 180 degrees;
fig. 3 is a schematic diagram showing the change of the imaging angle in the vertical direction after the imaging system a of the present invention is rotated by 180 degrees.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1-3, the present invention provides a technical solution: a three-eye oblique photography method is based on a photography system framework and comprises an A camera system, a B camera system and a C camera system, and comprises the following steps:
s1, when shooting, dividing the shooting into two states or steps, wherein the state 1 is that the shooting system A, the shooting system B and the shooting system C are divided into three paths for shooting;
s2, after the shooting in the step S1 is finished, the camera system A and the camera system B rotate 180 degrees anticlockwise by taking the camera system C as an axis, and the state is changed to be 2;
s3, after the state is changed to be 2, the camera system A and the camera system B shoot again;
s4, after the shooting in the step S3 is finished, the camera system A and the camera system B rotate clockwise 180 degrees by taking the camera system C as an axis to enter a state 1;
s5, switching between the state 1 and the state 2 to realize shooting of 5-path lenses with different visual angles.
A camera system and a B camera system in the camera system framework can rotate around a C camera system by using an axis, the C camera system is used as a central system, the C camera system is fixed at the center and cannot move, the C camera system cannot rotate, the C camera system is used as a central shooting point, the C camera system is fixed at the center and cannot move, the C camera system cannot rotate, and the fact that the A camera system and the B camera system take pictures by using the C camera system as the axis can be guaranteed.
The inclination angles of the camera system A and the camera system B can be adjusted for achieving the purpose of shooting, and the inclination angles of the camera system A and the camera system B can be adjusted as required for a special camera system during rotary shooting so as to match with the fixed camera system C for shooting, thereby achieving the purpose of shooting with 5-path lenses at different visual angles.
The states 1 and 2 are switched in a rotating mode, a specific switching method can adopt a mechanical rotating mode, a motor control mode, a link mechanism or a spring mechanism mode, and the A camera system and the B camera system are driven to rotate by adopting the mechanical rotating mode, the motor control mode, the link mechanism or the spring mechanism mode, so that the stability of the A camera system and the B camera system during rotation can be improved.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A trinocular oblique photography method is characterized in that the method is composed of an A camera system, a B camera system and a C camera system based on a photography system framework, and the method comprises the following steps:
s1, when shooting, dividing the shooting into two states or steps, wherein the state 1 is that the shooting system A, the shooting system B and the shooting system C are divided into three paths for shooting;
s2, after the shooting in the step S1 is finished, the camera system A and the camera system B rotate 180 degrees anticlockwise by taking the camera system C as an axis, and the state is changed to be 2;
s3, after the state is changed to be 2, the camera system A and the camera system B shoot again;
s4, after the shooting in the step S3 is finished, the camera system A and the camera system B rotate clockwise 180 degrees by taking the camera system C as an axis to enter a state 1;
s5, switching between the state 1 and the state 2 to realize shooting of 5-path lenses with different visual angles.
2. The method of claim 1, wherein: the camera system A and the camera system B in the photographic system framework can rotate around the camera system C around the axis, the camera system C is a central system, the camera system C is fixed in the center and cannot move, and the camera system C cannot rotate.
3. The method of claim 1, wherein: the inclination angles of the camera system A and the camera system B can be adjusted for achieving the purpose of shooting.
4. The method of claim 1, wherein: the states 1 and 2 are switched in a rotating mode, and the specific switching method can adopt a mechanical rotating mode, a motor control mode, a link mechanism mode or a spring mechanism mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011532152.8A CN112839218A (en) | 2020-12-21 | 2020-12-21 | Three-eye oblique photography method |
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| CN202011532152.8A CN112839218A (en) | 2020-12-21 | 2020-12-21 | Three-eye oblique photography method |
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| CN112839218A true CN112839218A (en) | 2021-05-25 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204705348U (en) * | 2015-06-24 | 2015-10-14 | 北京数维翔图高新技术有限公司 | A kind of unmanned plane oblique photograph device |
| CN105898119A (en) * | 2016-04-18 | 2016-08-24 | 天津全华时代航天科技发展有限公司 | Airborne multi-angle tilted camera |
| CN207798084U (en) * | 2018-02-01 | 2018-08-31 | 武汉智能鸟无人机有限公司 | Three-lens rotating oblique photography measurement system |
| CN208206122U (en) * | 2018-05-08 | 2018-12-07 | 杭州天顶距土地勘测规划设计有限公司 | A kind of rotary canted shot device |
| CN109163705A (en) * | 2018-09-12 | 2019-01-08 | 广州市红鹏直升机遥感科技有限公司 | A kind of image pickup method of aviation oblique photograph |
| CN109367806A (en) * | 2018-11-30 | 2019-02-22 | 海南赛博地理信息技术有限公司 | Unmanned plane oblique photograph is laid out with three cameras (or camera lens) direction |
| CN208984071U (en) * | 2018-09-12 | 2019-06-14 | 广州市红鹏直升机遥感科技有限公司 | A kind of aviation oblique photograph system |
-
2020
- 2020-12-21 CN CN202011532152.8A patent/CN112839218A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204705348U (en) * | 2015-06-24 | 2015-10-14 | 北京数维翔图高新技术有限公司 | A kind of unmanned plane oblique photograph device |
| CN105898119A (en) * | 2016-04-18 | 2016-08-24 | 天津全华时代航天科技发展有限公司 | Airborne multi-angle tilted camera |
| CN207798084U (en) * | 2018-02-01 | 2018-08-31 | 武汉智能鸟无人机有限公司 | Three-lens rotating oblique photography measurement system |
| CN208206122U (en) * | 2018-05-08 | 2018-12-07 | 杭州天顶距土地勘测规划设计有限公司 | A kind of rotary canted shot device |
| CN109163705A (en) * | 2018-09-12 | 2019-01-08 | 广州市红鹏直升机遥感科技有限公司 | A kind of image pickup method of aviation oblique photograph |
| CN208984071U (en) * | 2018-09-12 | 2019-06-14 | 广州市红鹏直升机遥感科技有限公司 | A kind of aviation oblique photograph system |
| CN109367806A (en) * | 2018-11-30 | 2019-02-22 | 海南赛博地理信息技术有限公司 | Unmanned plane oblique photograph is laid out with three cameras (or camera lens) direction |
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Address after: Room 504, Block E, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710000 Applicant after: Tudou Data Technology Group Co.,Ltd. Address before: Room 504, Block E, HUanpu science and Technology Industrial Park, 211 Gaoxin Tiangu 8th Road, Yanta District, Xi'an City, Shaanxi Province, 710075 Applicant before: SHAANXI TUDOU DATA TECHNOLOGY Co.,Ltd. |
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Application publication date: 20210525 |