Whisk broom type multi-view aviation oblique photography camera and imaging method thereof

An oblique photography and multi-view technology, which is applied in the direction of TV, color TV, camera equipment, etc., can solve the problems of long rotation period of the camera, the decline of shooting quality, and the inability to realize image motion compensation, etc. Field high resolution, avoiding the effect of imaging image shift

Pending Publication Date: 2020-07-28
SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1. The rotation period of the camera is long, and it is impossible to perform large-field imaging under high-speed-height-ratio flight conditions;
[0008] 2. Image motion compensation cannot be realized, and the shooting quality will be seriously degraded under the

Method used

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  • Whisk broom type multi-view aviation oblique photography camera and imaging method thereof
  • Whisk broom type multi-view aviation oblique photography camera and imaging method thereof
  • Whisk broom type multi-view aviation oblique photography camera and imaging method thereof

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Embodiment Construction

[0022] Combine below Figure 1-2 A preferred embodiment of the present invention is given:

[0023] This embodiment includes four identical independent cameras, and the field of view of each camera is 54.4 ° x 37.8 °. The short sides of every two cameras are stitched together, and the overlapping angle of field of view is 2 °. The field angle is 54.4°x73.6°. The vertical camera unit is installed vertically downward, and the oblique camera unit is installed in a 45° forward tilt. Both camera units are placed in the direction of the wingspan with their long sides. When imaging , the overlapping rate within the row is 35%, two swing scan imaging in one cycle can obtain a 121.4° wingspan field of view, and the overlapping rate between rows is 75%, the highest speed-to-height ratio can be adapted to 0.3, and at the same time it combines the function of a stable platform , to achieve large field of view high-resolution stereoscopic mapping under the condition of high speed-to-height...

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Abstract

The invention discloses a whisk broom type multi-view aviation oblique photography camera and an imaging method thereof. The device structurally comprises a base mounted on an aircraft, a pitching ring frame connected to the base through a pitching shaft, a transverse rolling ring frame connected to the pitching ring frame through a transverse rolling shaft, a pitching shaft servo motor for driving the pitching shaft, a transverse rolling shaft servo motor for driving the transverse rolling shaft, and a vertical photographing unit and an inclined photographing unit which are fixed to the transverse rolling ring frame. The aviation oblique photography camera is large in shooting area and high in shooting efficiency, oblique photography in at most nine directions can be achieved, the technical problem of large-field-of-view high-resolution three-dimensional surveying and mapping under the large-speed-to-height-ratio flight condition is solved, and the aviation oblique photography camerahas the capacity of resisting aircraft attitude disturbance.

Description

technical field [0001] The invention relates to an aerial oblique photographic camera, in particular to an aerial oblique photographic camera and an imaging method capable of realizing large-field-of-view and high-resolution three-dimensional surveying and mapping under the condition of high speed-to-height ratio flight. Background technique [0002] Oblique photography technology is a high-tech developed in the field of international surveying and mapping in recent years. It overturns the limitation that orthographic images can only be taken from vertical angles in the past. Collecting images, it can not only truly reflect the situation of ground objects, obtain object texture information with high precision, but also generate a real 3D city model through advanced positioning, fusion, modeling and other technologies. [0003] Currently used aerial oblique photography devices generally use multiple built-in cameras, which can be placed at different angles to achieve multiple...

Claims

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Application Information

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IPC IPC(8): G01C11/02H04N13/243H04N13/296H04N5/235
CPCG01C11/02H04N13/243H04N13/296H04N23/70
Inventor 韩贵丞王崇儒王跃明丁炳耀郁洪轩徐永平徐敏刘军
Owner SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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