to find mahalanobis distance

i want to find the mahalanobis distance between two images.In the formula D=sqrt[(X-Y)C^-1(X-Y)'],what is the dimension of inverse cobariance matrix if X-Y is a matrix of size[1,65536]and (X-Y)' of dimension [65536 1].how to find the covariance matrix,someone please help....

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am 3 Okt. 2012

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am 19 Dez. 2022

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