Questions tagged [tensor]
The tensor tag has no usage guidance.
5
questions
0
votes
0
answers
25
views
$Z$-transform of a multilinear function/ consecutive multplication of $k$ signals $y_1(n), \ldots, y_k(n)$
How should one go about calculating the $Z$-transform of a signal that is the multiplication of $k$ signals (i.e. a multilinear function with regards to signals $y_1(n) \ldots y_k(n)$ ? Namely, $\...
0
votes
1
answer
98
views
Understanding the concept of semi-blind receivers
In the book "Signals and Images: Advances and Results in Speech, Estimation, Compression... ", an overview of using tensor analysis in signal processing is given. On page 243 it is explained that an ...
5
votes
4
answers
7k
views
Apply Principal Component Analysis (PCA) for RGB Images
I've implemented a method to compute PCA on grayscale images.
I haven't seen PCA on RGB images yet, which left me wondering if it is possible to perform it.
With RGB images, is PCA done for each ...
0
votes
1
answer
149
views
Determining the pattern direction of a bitmap image
How can I obtain average direction of the pattern shown in the figure below. It is the direction of the red arrow relative to the yellow (horizontal) line. Any ideas for an approach? I couldn't figure ...
2
votes
1
answer
451
views
Is video considered a Tensor?
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?