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
Read more about this topic: Trilinear Interpolation
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