Indoor distance measuring method

Abstract

The invention discloses an indoor distance measuring method. By use of a direction sensor arranged on an AR (augmented reality) device, a horizontal distance between a pick-up head and an object and a height of the object are obtained and are superposed to a scene of a real world displayed by the AR device. According to the invention, the horizontal distance between the pick-up head and the object and the height of the object can be calculated by use of the Pythagoras theorem simply through obtaining an included angle between a connecting line from the pick-up head to an intersection point of an object bottom and the ground and a ground vertical direction, or an included angle between a connecting line from the pick-up head to an intersection point of an object extension line and the ground and the ground vertical direction, an included angle between a connecting line from the pick-up head to the object top and the ground vertical direction and an included angle between a connecting line from the pick-up head to the object bottom and the ground vertical direction according to a vertical distance between the pick-up head and the ground. The calculation method is simple and fast, the computation quantity is small, and the cost is quite low.

Description

Technical field [0001] The invention relates to the field of augmented reality technology, in particular to an indoor distance measurement method. Background technique [0002] Augmented Reality (Augmented Reality, referred to as AR) is a computer fusion of the real environment and virtual auxiliary information objects to enhance users' understanding and experience of the real world. Apply virtual information to the real world, and superimpose computer-generated virtual objects, scenes, or system prompt information on the real scene, so as to enhance reality. In visual augmented reality, users can use the helmet-mounted display to combine the real world with computer graphics, and then they can see the real world surrounding it. [0003] When the AR device is used outdoors, the GPS sensor can obtain the location coordinates, and the distance between the current AR device location and the target location can be used to calculate the distance between the two. When used indoors, bec...

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Problems solved by technology

[0004] In view of the above problems, the present invention provides an indoor ranging method to solve the problem of the high cost of measuring the distance between the augmented reality device and the target object and the height of the target object in the prior art, as well as a large amount of calculation and low accuracy. The problem

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