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Positioning method and device

A positioning method and azimuth technology, applied in the field of surveying and mapping, can solve the problem of high cost

Active Publication Date: 2018-07-06
INSTITUTE OF SCIENCE & TECHNOLOGY INNOVATION DONGGUAN UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of the present invention provides a positioning method and device to at least solve the technical problem of high cost of accurate positioning of the observation target

Method used

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Embodiment Construction

[0026] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0027] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ci...

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Abstract

The invention discloses a positioning method and a device. Specifically, the method includes: acquiring a first image collected by optical equipment, wherein the first image includes an observed target and a plurality of predetermined targets, and the plurality of predetermined targets have known geographic coordinates; based on the first image, selecting a first predetermined target from the plurality of predetermined targets; acquiring a second image, wherein the first predetermined target is located at the center of the second image; based on the measurement data measured by an inertial navigation system and the first predetermined target in the second image, determining a first attitude angle of the optical equipment; based on the position relationship of the observed object and the first predetermined target in the second image, correcting the first attitude angle to obtain a second attitude angle; and based on the second attitude angle, calculating the geographic coordinates of the observed object. The positioning method and device provided by the invention solve the technical problem of high cost for accurate positioning of the observed object in the prior art.

Description

technical field [0001] The invention relates to the field of surveying and mapping, in particular to a positioning method and device. Background technique [0002] In the prior art, to locate the observation target through the floating platform, it is necessary to fix the high-precision inertial navigation on the stable pan-tilt axis inside the optical equipment to obtain the attitude, and combine the high-precision ranging equipment to complete the positioning of the observation target. [0003] However, the positioning of the observation target through this scheme needs to invest a large hardware cost, and also requires a large hardware upgrade and transformation of the existing platform that has been put into use, so the practicability is low. [0004] The attitude is obtained by fixing the high-precision inertial navigation system on the stable gimbal axis inside the optical device, and the positioning is completed by combining high-precision ranging equipment. This sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C11/12G06V10/25G06V20/13
CPCG01C11/12G01C21/1656G01C11/06G06T7/74G06T2207/30244G06V20/13G06V10/25G06V2201/07G06T2207/10032
Inventor 不公告发明人
Owner INSTITUTE OF SCIENCE & TECHNOLOGY INNOVATION DONGGUAN UNIVERSITY OF TECHNOLOGY
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