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Multiple-angle and double-camera oblique photography device and system

A technology of oblique photography and dual cameras, applied in the field of drones, can solve problems such as difficulty in obtaining 3D images, incomplete data collection, and limited shooting range, and achieve the effect of perfect shooting information, simple principle, and wide shooting range

Active Publication Date: 2017-09-15
上海攸元文化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The bracket uses two cameras to shoot, and the angle between the cameras is controlled by the control device to change the shooting angle. However, the shooting range of its single-direction rotation is limited, the repetition rate is low, and the data collection is incomplete. It is difficult to obtain in the later three-dimensional modeling full 3D image

Method used

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  • Multiple-angle and double-camera oblique photography device and system
  • Multiple-angle and double-camera oblique photography device and system
  • Multiple-angle and double-camera oblique photography device and system

Examples

Experimental program
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Effect test

Embodiment 1

[0034] combine figure 1 , a multi-angle dual-camera tilt photography device of the present embodiment is mainly composed of an aerial photography platform and an aerial survey unit. In the present embodiment, the aerial survey unit 4 is center-symmetrically provided with a support plate 41 and a camera 42, and the camera 42 is installed on the support plate 41. At the outer end, the shooting angle between the two cameras 42 is 35° to 70°.

[0035] One end of the support plate 41 is connected with the steering gear, and the other end is installed with the camera 42 , that is, the outer end of the support plate 41 is connected with the camera 42 . The support plate 41 is mainly used for connecting the camera, and is not limited to a plate shape, but may be a block or rod shape, and is preferably a plate shape in this embodiment.

[0036] The installed camera 42 is used to collect data, and the collected data is used for three-dimensional modeling. Therefore, it is necessary to ...

Embodiment 2

[0041] The improvement of this embodiment is that the aerial photography platform includes a first steering gear 2 and a second steering gear 32 connected through an intermediate carrier 31 , and the rotation axis of the second steering gear 32 is connected with the aerial survey unit 4 .

[0042] The first steering gear 2 can be installed vertically, and its rotating shaft can rotate in the horizontal plane. The upper end of the intermediate carrier 31 is connected with the rotating shaft of the first steering gear 2, and the second steering gear 32 is installed at its lower end for controlling the second steering gear. Machine 32 rotates in a horizontal plane.

[0043] The rotation of the first steering gear 2 can only make the camera take pictures from different azimuths, and the tilt angle does not change. The second steering gear 32 can control the aerial survey unit 4 to rotate in the vertical plane, so that the camera is positioned in the vertical direction for shooting....

Embodiment 3

[0045] The improvement of this embodiment is that the first steering gear 2 is used to drive the intermediate carrier 31 and the second steering gear 32 to rotate 360° in the horizontal plane, and control it to rotate 90° each time, then the target object can be controlled from 4 directions. Shoot data collection.

[0046] The second steering gear 32 controls the aerial survey unit 4 to have two kinds of shooting attitudes. During the first attitude, the inclination angles of the two cameras 42 are the same, as figure 2 As shown, the shooting angle between the two cameras 42 in the aerial survey unit 4 is limited to 60°, and the angle between the shooting direction of the two cameras 42 and the vertical direction is 30°.

[0047] After the rotating shaft of the second steering gear 32 rotates, it presents a second posture, such as image 3 As shown, one of the cameras 42 is located in a vertical shooting position, and the angle between the other camera and the vertical directi...

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Abstract

The invention discloses a multiple-angle and double-camera oblique photography device and system, and belongs to the field of unmanned planes. The multiple-angle and double-camera oblique photography device comprises an aerial photography head and an aerial survey unit, and the aerial photography head is connected with the aerial survey unit and can drive the aerial survey unit to rotate in a vertical plane and a horizontal plane; and supporting plates and cameras are symmetrically arranged at the center of the aerial survey unit, the cameras are arranged at the outer ends of the supporting plates, and an included angle between the two cameras is 35-70 DEG. The aerial photography head can control the aerial survey unit to have two shooting postures, and the oblique angles of the two angles are same at the first posture; and the aerial survey unit has the second posture after the rotating shaft of a second steering engine in the aerial photography head rotates, and one of the two cameras is positioned in a vertical shooting position. The device adopting double cameras has the advantages of great reduction of the weight, improvement of the cruising ability, realization of a high shooting repetition rate, and guaranteeing of the accuracy of three-dimensional modeling.

Description

technical field [0001] The present invention relates to the technical field of unmanned aerial vehicles, and more specifically, relates to a multi-angle dual-camera tilting photography device and system. Background technique [0002] In recent years, the field of international geographic information has combined traditional aerial photography technology and digital ground acquisition technology to develop a high-tech called airborne multi-angle oblique photography, referred to as oblique photography technology. Tilt photography technology collects ground images from multiple angles simultaneously by carrying multiple or multiple sensors on the same flight platform, thereby overcoming the limitation of traditional aerial photography technology that can only shoot from vertical angles, and can more truly reflect the ground The actual situation of the object makes up for the deficiency of the orthophoto, and realizes the 3D modeling technology based on image dense matching by i...

Claims

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Application Information

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IPC IPC(8): G01C11/02
Inventor 沈子飞杜绍林卓磊卞雪菲
Owner 上海攸元文化科技有限公司
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