Laser pen interaction control system and laser pen interaction control method

Abstract

The embodiment of the invention discloses a laser pen interaction control system and a laser pen interaction control method. The control system comprises a laser pen, a control subsystem, projection equipment and a projection screen, wherein the control subsystem, the projection equipment and the projection screen are connected in sequence. A user emits laser points on a projection screen through a laser pen, displays an actual image on an LCD display screen of a control device through image acquisition of a camera, transmits the actual image to a projection device through a network in real time, and carries out image calibration in a control software program of the projection device to obtain an independent projection screen image. And then image feature point detection algorithm calculation is performed on the laser points in the projection screen image to obtain position information of the laser points, and is mapped to obtain a coordinate position corresponding to the host screen, and the slide is controlled to complete different interaction actions in real time according to different screen areas where the coordinate position is located. According to the scheme provided by the embodiment of the invention, the interaction mode of the laser pen and the slide is improved, and the speech quality is improved.

Description

technical field [0001] This application relates to but not limited to the field of pattern recognition intelligent control, especially a laser pointer interactive control system and a laser pointer interactive control method. Background technique [0002] In a meeting with a multimedia presentation scene, simple functions such as laser point indication and button page turning can be realized by using an ordinary laser pointer. [0003] With the continuous extension of multimedia demonstration sites, from general classrooms, lecture halls to conference rooms and other places, the degree of interactive control of ordinary laser pointers on projection screens is not enough, and the demand for stronger interactive functions on projection screens is constantly increasing. Obviously, the existing laser pointers with simple instructions and page-turning functions are difficult to adapt to the development needs of multimedia presentation requirements. At present, there is an urgent...

AI Technical Summary

Problems solved by technology

[0004] Purpose of the present invention: In order to solve the above technical problems, the embodiment of the present invention provides a laser pointer interactive control system and a laser pointer interactive control method, so as to solve the problem that the interactive control mode of the existing laser pointer on the projection screen is simple and single , which leads to the problem that the interactive control method of the existing laser pointer is difficult to adapt to the needs of multimedia presentations with higher requirements

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