A hand recognition method for supermarket shopping cart based on sobel operator
A recognition method, the technology of the driver's part, applied in the field of image recognition, can solve the problems that the background elimination is greatly affected by the light, it is difficult to install multiple to expand the viewing angle, and the 3D camera is expensive, so as to achieve small calculation, good effect, and reduce the edge The effect of blur
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[0075] The technical solution of the present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings.
[0076] Module one-hand division part
[0077] Such as figure 1 Shown:
[0078] (1.1) Use a 2D camera to acquire a color image, and use the pre-made template image as its mask, which is equivalent to setting the ROI area to reduce external environmental interference;
[0079] (1.2) Perform grayscale processing on the image, and the grayscale formula is as follows:
[0080] f(i,j)=0.30*R(i,j)+0.59*G(i,j)+0.11*B(i,j)
[0081] Among them, i represents the abscissa of the image, and j represents the ordinate of the image; R(i,j), G(i,j), and B(i,j) are the pixel values corresponding to the three primary color channels respectively; 0.30 , 0.59, and 0.11 are three weights corresponding to red light, green light, and blue light; the three coefficients are given to each pixel due to the different sensitivity of the ...
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