Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
A sampled single dimensional signal is a vector.
A sampled image is a matrix.
Is video considered a rank-3 tensor since it is a set of images stacked on top of each other?
yes - a video signal would be considered 3rd order tensor.
scalars are 0-order tensors, vectors are 1st order tensors, matrices are 2nd order tensor, data volumes are 3rd order tensors and so on for multi-dimensional arrays.
Required, but never shown