Trilinear Interpolation - Compared To Linear and Bilinear Interpolation

Compared To Linear and Bilinear Interpolation

Trilinear interpolation is the extension of linear interpolation, which operates in spaces with dimension, and bilinear interpolation, which operates with dimension, to dimension . The order of accuracy is 1 for all these interpolation schemes, and it requires adjacent pre-defined values surrounding the interpolation point. There are several ways to arrive at trilinear interpolation, it is equivalent to 3-dimensional tensor B-spline interpolation of order 1, and the trilinear interpolation operator is also a tensor product of 3 linear interpolation operators

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