[ICACE2022] Automatic hand tracking system control with 4-axis light stand for surgical light

다국어 초록 (Multilingual Abstract)

Currently, the medical field is aided by several robots. However, most surgical light stands are cumbersome to manually adjust the position of light. The accuracy of the algorithm was confirmed by developing and prototyping a surgical light-tracking algorithm that automatically illuminated the light by tracking the position of the doctor's operating hand in real time. An algorithm was developed to maintain a constant distance from a specific object using an ultrasonic sensor and image sensor. This was verified by maintaining a constant distance of 15 cm from the hand and 25 cm from the floor by controlling the four motors. The ultrasonic sensor of the customized stand measures the reciprocating distance between the hand and the floor and outputs data in real time to maintain a constant distance. The image sensor detects the hand movements and outputs the data regarding its position concurrently. The motor then automatically measures the movements. There was a gap of approximately 1–2 cm between the distance the stand was actually held with the object and the distance we set. This is due to the difference observed from the center of the hand, and considering the part of the light shining on it, the difference is so small that the doctor cannot recognize it.

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