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Image acquisition and positioning method and image acquisition and positioning system

A technology of image acquisition and positioning method, which is applied in the direction of image communication, image data processing, radio wave measurement system, etc., and can solve problems such as inapplicable indoor positioning, low-precision positioning, and no implementation method given

Active Publication Date: 2014-02-05
BEIJING ZHIGU RUI TUO TECH
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Problems solved by technology

For example, in the content disclosed in the above-mentioned patent application US20120176491A1, it is mentioned that the relative position between the camera and the captured image needs to be determined, but no specific implementation method is given; while the content disclosed in the patent application US20120209513A2 is only applicable to lower precision positioning, not suitable for indoor positioning requirements

Method used

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  • Image acquisition and positioning method and image acquisition and positioning system
  • Image acquisition and positioning method and image acquisition and positioning system
  • Image acquisition and positioning method and image acquisition and positioning system

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Embodiment Construction

[0098] The method and device of the present invention are described in detail below with reference to the accompanying drawings and embodiments.

[0099] In the way of positioning through the method of image acquisition, by selecting some positioning auxiliary objects in advance, the positioning auxiliary objects can be ordinary objects in fixed positions (such as a vase), or some objects with special identification (such as two Two-dimensional code image), calibrate and store the position of the auxiliary positioning object, and when the user takes a photo of the auxiliary positioning object whose position information is known, recognize the auxiliary positioning object in the image and obtain the position information of the auxiliary positioning object Locate the user's location. However, since the location of the positioning assistance object is generally not the location where the user takes a picture, the positioning method that directly uses the location of the positioni...

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Abstract

The invention discloses an image acquisition and positioning method and an image acquisition and positioning system. The method comprises the following steps: acquisition of a reference direction: a step of acquiring the reference direction corresponding to a user; confirmation of staring: a step of confirming that the eyes of the user are staring at a positioning assistant object; acquisition of object information: a step of acquiring the position information of the positioning assistant object; acquisition of distance: a step of acquiring the distance between the user and the positioning assistant object; acquisition of an angle: a step of acquiring the angle between the staring direction of the user and the reference direction; and positioning: a step of acquiring the position information of the user on the basis of the position information of the positioning assistant object, the distance between the user and the positioning assistant object, the reference direction and the angle between the staring direction of the user and the reference direction. According to the invention, accurate positioning of the position of the user is realized by acquiring the distance between and the relative direction of the positioning assistant object stared by the eyes of the user and the user, and image acquisition and positioning precision is improved.

Description

technical field [0001] The present invention relates to the field of positioning technology, in particular to an image acquisition and positioning method and system. Background technique [0002] Positioning technology has been widely used, for example, the Global Positioning System (Global Positioning System, GPS) technology is very mature and widely used in navigation and other fields. However, the positioning accuracy of GPS is low, and the signal is weak in the indoor environment, so it is not suitable for indoor applications. Therefore, in recent years, many positioning methods, devices and systems suitable for indoor environments and different from GPS have been produced. For example, use the fading and transmission delay characteristics of electromagnetic waves (Bluetooth, WIFI, etc.), sound, visible light and other signals transmitted in the air to achieve positioning; it is also possible to achieve positioning according to the different magnetic field distributions...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/00
CPCG01C21/00G01C3/32G01C21/20A61B3/0025A61B3/113A61B3/12G02B7/287G02B3/14G02B27/017G02B2027/0187G02B27/0093G02B2027/0178G01S11/12G02B2027/0138G02B2027/014G06V40/19G06V2201/03G06V40/193H04N23/611G02B27/0172G06T19/006
Inventor 黄伟才杜琳
Owner BEIJING ZHIGU RUI TUO TECH
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