Touch positioning control method based on projection image

Abstract

The invention provides a touch positioning control method based on a projection image. According to the method, a touch operation application program is run through a computer, the position of a control point is specified in the projection image area of a computer display image projected by a projector, conversion of touch positioning control is carried out by the computer according to an image coordinate-projection world coordinate conversion model and a projection world coordinate-video coordinate conversion model, the position where a touch operation is to be executed is determined in a touch operation image, and then the touch operation application program is controlled to execute a corresponding touch operation task. The process is similar to that the touch operation is achieved in the projection image area of the image output by the projector, so that the effect of directly controlling the touch operation application program in the projection image is achieved, the high efficiency and accuracy of touch positioning control processing executed by the computer are guaranteed, the problem that man-machine interaction is limited by the size of a screen of electronic equipment in the prior art is solved, and technical guarantees are provided for controlling the touch operation application program in a projection plane.

Description

technical field [0001] The invention belongs to the field of image recognition technology and computer control technology, and in particular relates to a touch positioning control method based on projected images. Background technique [0002] At present, most portable electronic devices (such as mobile phones, tablet computers, etc.) use liquid crystal displays (LCD) as the main output device of the human-machine interface, and more and more portable electronic devices have full-screen touch functions, which can Realize human-computer interaction. However, due to the limitation of the size of the portable electronic device itself, the display screens are relatively small, which is not convenient for the user to perform human-computer interaction on the screen interface. [0003] With the continuous development of the projector industry and the continuous upgrading of products, more and more projection systems have interactive functions, that is, through some operations on ...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above-mentioned problems existing in the prior art, in order to solve the problem that the human-computer interaction is limited by the screen size of the electronic device in the prior art, the present invention provides a touch positioning control method based on projected images, which combines touch operation application The program enables direct control of the touch operation application program by specifying the position of the control point in the projection screen, thereby providing technical guarantee for controlling the touch operation application program on the projection plane

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