How to initialize mean and sigma parameters for multivariate gaussian using k-means

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A. P. B. 2017-7-8

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https://ww2.mathworks.cn/matlabcentral/answers/347851-how-to-initialize-mean-and-sigma-parameters-for-multivariate-gaussian-using-k-means

So if i have an image of 32 by 32 how can i initialize multivariate gaussian parameters mean and sigma of 2 dimension using k-means

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