Technical background of teaching laser pointer
In medical teaching, laser pointers are commonly used teaching aids, and there are too many courses combining theory with practice in medical teaching. Often after the theoretical knowledge is taught, simple anatomical steps or other clinical trials will be demonstrated in the teaching class. At this time, Some test instruments are needed. Among them, the commonly used dissecting forceps, scalpels, scalpels, dissecting needles and other medical instruments are used to assist the test demonstration. This will cause the teachers to carry inconveniently during class, waste time, and reduce the efficiency of lectures. ; Moreover, the laser pointer is easy to slip off, and it is difficult to find it after it rolls into a dark place.
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The Laser pointer mouse is provided with the control left button and the control right button corresponding to the left and right buttons of the mouse. When the control left button or the control right button on the laser pointer mouse is pressed, the projected image is obtained by the camera for positioning, and the laser spot is recognized in the projection The relative position on the image is used to obtain the coordinates of the mouse cursor in the operating system, so that the operating system performs corresponding operations at the coordinates, so as to realize the remote control operation of the laser pointer and mouse, so that the user can obtain an intuitive and accurate operation experience, and is not affected by the laser pointer mouse. The influence of distance, to facilitate teaching, speech, etc., to achieve the function of the laser pointer and the mouse.
2021-10-07 12:19:47
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