Positioning method and electronic device

A technology of electronic equipment and positioning method, applied in the field of electronics, can solve the problems of inaccurate mapping relationship between image coordinates and mapping relationship, unstable image calibration, etc., so as to solve the inaccurate mapping relationship, improve the accuracy of coordinate positioning, and improve the stability. Effect

Inactive Publication Date: 2013-05-22
HISENSE +1
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Problems solved by technology

[0009] The present invention provides a positioning method and electronic equipment, which are used to solve the problem of projection interaction equipment in the prior art by calculating distortion parameters based on the Matlab platform and the Opencv calibration method, which will lead to unstable image calibration, an

Method used

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  • Positioning method and electronic device
  • Positioning method and electronic device

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Embodiment Construction

[0037] Embodiments of the present invention provide a positioning method and electronic equipment. First, the electronic equipment includes a projection device and an image acquisition device. The projection device can project a projected image in the projection area. For the first image of the projection image, when there is a first light spot in the projection area, the method includes: performing a first distortion correction on the first image according to a first distortion correction rule, and obtaining a first distortion correction after the first distortion correction. second image, and then perform a second correction on the second image according to the second distortion correction rule to obtain the third image after the second distortion correction, and obtain M image calibration coordinates in the third image and N in the projection area Projecting the calibration coordinates, determining the mapping relationship between the image coordinates and the projection coo...

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Abstract

An embodiment of the invention provides a positioning method and an electronic device. The method includes the steps: performing first distortion correction for a first image according to a first distortion correction rule to obtain a second image; performing second distortion correction for a second image according to a second distortion correction rule to obtain a third image; acquiring M image calibration coordinates in the third image and N projection calibration coordinates in a projection area; determining the mapping relation between an image coordinate and a projection coordinate according to the M image calibration coordinates and the N projection calibration coordinates; analyzing the third image to obtain a first light spot image coordinate of a first light spot in the third image; and acquiring a first light spot projection coordinate of the first light spot in the third image according to the mapping relation between the image coordinate and the projection coordinate. Therefore, the method solves the technical problems that images are unstably calibrated, and the mapping relation between an image coordinate and a mapping coordinate is inaccurate in the prior art.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a positioning method and electronic equipment. Background technique [0002] At present, the development of the field of electronic technology enables more and more electronic devices to interact with users. Therefore, projection interaction devices have appeared in the prior art, that is to say, users can directly control and interact with projection devices through projection interaction devices. Connected electronic devices, which can facilitate the user's control on electronic devices. [0003] The projection interaction devices in the prior art all use the laser pointer to operate in the projection area, and then the projection interaction device determines the corresponding operation of the user by determining the laser point of the laser pointer in the projection area. Therefore, for the projection In terms of interactive equipment, the accuracy of determining the las...

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Application Information

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IPC IPC(8): G06T7/00
Inventor 孙建德徐文涛连序全张培龙
Owner HISENSE
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