Gesture recognition method based on depth sensor
A technology of depth sensor and gesture recognition, which is applied in character and pattern recognition, instruments, computer components, etc., can solve the problems that restrict the application of gesture recognition technology, algorithm efficiency, recognition accuracy and stability model data package size defects, etc.
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[0060] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0061] A gesture recognition method based on a depth sensor, such as figure 1 As shown, the specific steps are as follows.
[0062] 1. Obtain depth flow information and human skeleton nodes through 3D depth sensor
[0063] 2. Gesture segmentation
[0064] After the depth device collects the depth flow information and human skeleton nodes, it will segment the hand area to obtain the 3D point cloud coordinates that only include the gesture area. The specific steps are as follows:
[0065] figure 2 The w*h plane image acquired for the depth device, which takes the center of the image as the origin. Because the depth value collected directly from the depth device is not the actual distance. So it needs to be converted to an actual depth distance value:
[0066] d=K*tan(d raw / 2842.5+1.1863)-0.037
[0067] K=0.1236m,d raw Represents ra...
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