Touch point positioning method based on projection, projection equipment and storage medium

Abstract

The embodiment of the invention provides a projection-based touch point positioning method, projection equipment and a storage medium. According to the embodiment of the invention, the method comprises the steps: determining the number of touch points of the interaction body on a projection image at a current moment in a continuous interaction process of an interaction body and the projection image according to the depth difference between a first depth-of-field image of the interaction body, which is not interacted with the projection image, and a second depth-of-field image of the interaction body at the current moment, which is interacted with the projection picture; determining the positions of the touch points which are not detected at the current moment on the projection image according to the depth-of-field difference of the first and second depth-of-field images if the number of the detected touch points is less than a set number, instead of directly determining that the interaction process corresponding to the interaction body is finished, wherein the interaction operation of the interaction body is not responded any more. Thus, the sensitivity of touch point detection canbe improved, the probability of no response to user operation is reduced, and the user experience is improved.

Description

Technical field [0001] This application relates to the field of projection technology, and in particular to a projection-based touch point positioning method, projection equipment and storage medium. Background technique [0002] With the continuous development of projection technology, projection devices with interactive functions have emerged. For example, furniture and equipment such as projection speakers and projection lamps have been widely used in people's lives, bringing great convenience to people's lives. [0003] For a projection device with interactive functions, the screen content can be projected onto a projection plane to form a projection screen, and the user can perform a touch operation on the projection screen to achieve interaction with the projection device. In actual use, users can perform continuous operations such as dragging, zooming in, and zooming out on the projection screen. In this process, the projection device performs track recognition by continuo...

AI Technical Summary

Problems solved by technology

[0004] However, in practical applications, due to the low refresh rate of the depth-of-field module on the projection device, when the interactive object moves too fast on the projection screen, it often happens that the touch point cannot be detected

In this case, the projection device mistakenly believes that the coherent operation is over, so that it cannot continue to respond to user operations, and the user experience is poor

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