Augmented reality method based on topocentric coordinate system and perspective projection

Abstract

The invention relates to an augmented reality method based on topocentric coordinate system and perspective projection. The augmented reality method based on the topocentric coordinate system and perspective projection includes that (1) coordinate transformation, to be specific, converting geodetic coordinates of mobile equipment and an interest point into geocentric coordinates to obtain the coordinates of the interest point in the topocentric coordinate system to obtain the perspective coordinates of the interest point; (2) perspective projection, to be specific, perspectively projecting the topocentric coordinates of the interest point relative to the current position of a user to a display screen of the mobile equipment, using a mobile equipment camera to perform location shooting, and overlapping the relevant information of the interest point to the position of the interest point in the scenery shot by the camera of the mobile equipment according to different orientations of the mobile equipment. The augmented reality method based on the topocentric coordinate system and perspective projection overcomes the disadvantage that the traditional map and navigation application are not intuitive; the augmented reality method based on the topocentric coordinate system and perspective projection quickly finds the interest point, and the relevant information of the interest point is timely overlapped to the interest point in the shot image to present the intuitive effect; the augmented reality method based on the topocentric coordinate system and perspective projection automatically prompts the current direction of the user and quickly and precisely obtains the direction and position of the interest point relative to the current position of the user.

Description

technical field [0001] The invention relates to an augmented reality method based on a station center coordinate system and perspective projection, and belongs to the technical fields of computer image processing and sensors. Background technique [0002] At present, traditional maps and navigation devices can only give the location of the point of interest that people are looking for on the map. Even if the route has been planned, people still need to constantly observe the surrounding environment and match the information on the map when going to the destination. , not only slow, but error-prone. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention discloses an augmented reality method based on a station center coordinate system and perspective projection; [0004] The invention fits the points of interest to the real scene, directly and dynamically superimposes the location information that people are interested in into ...

AI Technical Summary

Problems solved by technology

[0002] At present, traditional maps and navigation devices can only give the location of the point of interest that people are looking for on the map. Even if the route has been planned, people still need to constantly observe the surrounding environment and match the information on the map when going to the destination. , not only slow, but error-prone

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