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Target positioning method and device, electronic equipment and computer readable medium

A target positioning and target technology, applied in the field of target positioning, electronic equipment, and computer-readable media, can solve problems such as low positioning accuracy, and achieve the effects of low cost, small calculation amount, and large sensing range

Active Publication Date: 2019-08-20
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since there is only one image, the monocular method mainly analyzes the position of the target through the principle of "near large, far small", and the positioning accuracy of this method is very low

Method used

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  • Target positioning method and device, electronic equipment and computer readable medium
  • Target positioning method and device, electronic equipment and computer readable medium
  • Target positioning method and device, electronic equipment and computer readable medium

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Embodiment Construction

[0064] In order to enable those skilled in the art to better understand the technical solution of the present disclosure, the object positioning method and device, electronic equipment, and computer-readable medium provided by the present disclosure will be described in detail below with reference to the accompanying drawings.

[0065] Example embodiments will be described more fully hereinafter with reference to the accompanying drawings, but the example embodiments may be embodied in different forms and should not be construed as limited to the embodiments set forth in the present disclosure. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0066] As used in this disclosure, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0067] The terms used in the present disclosure are for describing specific em...

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Abstract

The invention provides a target positioning method. The target positioning method comprises the following steps: acquiring a two-dimensional image through an image acquisition unit with a known position; analyzing the two-dimensional image to determine a to-be-positioned target and the size and form of the target; determining a pixel point, corresponding to the ground, of the target in the two-dimensional image as a calibration point, and determining the position of the calibration point relative to the target according to the size and form of the target; mapping ground points in a preset mappoint cloud into the two-dimensional image to determine ground points corresponding to at least part of pixel points; determining the position of the ground point relative to the image acquisition unit according to the position of the image acquisition unit, and determining the position of the calibration point relative to the image acquisition unit; and determining the position of the target relative to the image acquisition unit according to the position of the calibration point relative to the image acquisition unit and the position of the calibration point relative to the target. The invention further provides a target positioning device, electronic equipment and a computer readable medium.

Description

technical field [0001] The embodiments of the present disclosure relate to the technical field of positioning, and in particular, to a method and device for target positioning, electronic equipment, and a computer-readable medium. Background technique [0002] In many cases, it is hoped to determine the three-dimensional (3D) spatial position of the target by analyzing the two-dimensional (2D) image, that is, to determine the position of the target in the real physical world. This process is called "2D back to 3D". For example, in the fields of vehicle-to-road coordination (V2X), automatic parking technology, etc., the position of obstacles can be determined through 2D back to 3D technology to alleviate congestion and realize obstacle avoidance in blind spots. [0003] One way of returning 2D to 3D technology is the "monocular method", that is, to determine the position of the target only by analyzing the two-dimensional image taken by one camera. This method has a large sen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/70G06T7/50
CPCG06T2207/10028G06T7/50G06T7/70
Inventor 舒茂
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD
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