Laser pen indication and luminescent spot track recognizing method
A recognition method and laser pointer technology, applied in character and pattern recognition, instruments, electrical digital data processing, etc., can solve problems such as the inability to achieve the accuracy of ordinary projection screens, the uncertainty of control objects, and difficult operations
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[0054] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the described embodiment.
[0055] This embodiment is used to identify the teacher's instructions on the display screen through a laser pointer.
[0056] like figure 1 As shown, this embodiment includes the following steps:
[0057] Step 1. The user indicates the position of the light spot on the display screen through the laser pen, and expresses the trajectory information such as graphics and text from the multiple light spot positions. The video input device obtains the video information of the target screen, and the collected video Information transmission to embedded devices;
[0058] Th...
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