Multi-modal data fusion method based on moving complex correlation coefficients
A complex correlation coefficient and data fusion technology, applied in character and pattern recognition, instruments, computer components, etc., can solve problems such as ignoring local data and features, fuzzy and uncertain factors to be analyzed, and weak correlation
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[0014] 1) Map each source data value to the plane through coordinate mapping, grid the plane data, and convert the gridded data into a matrix.
[0015] 2) Define a window representing the local range on the basis of the grid, and read the values of all sampling factors in the grid, each factor is recorded as X 1 , X 2 …X n , where the factor to be analyzed is y, and the other factors are X 1 , X 2 …X n
[0016] 3) For n types of factors, y is the dependent variable and the rest are independent variables, use the following formula to perform regression.
[0017]
[0018] 4) Use the following formula to calculate the multiple correlation coefficient between y and other factors.
[0019]
[0020] 5) Replace the correlation coefficient value of the local window with this coefficient
[0021] 6) Traverse the entire sampling area and calculate the complex correlation coefficient of each window
[0022] 7) Draw a graph to show the correlation coefficient results.
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