Phantom oscillations in principal component analysis
M Shinn - Proceedings of the National Academy of …, 2023 - National Acad Sciences
Principal component analysis (PCA) is a dimensionality reduction method that is known for
being simple and easy to interpret. Principal components are often interpreted as low …
being simple and easy to interpret. Principal components are often interpreted as low …
The discrete cosine transform
G Strang - SIAM review, 1999 - SIAM
Each discrete cosine transform (DCT) uses N real basis vectors whose components are
cosines. In the DCT-4, for example, the j th component of \boldv_k is \cos(j+12)(k+12)πN …
cosines. In the DCT-4, for example, the j th component of \boldv_k is \cos(j+12)(k+12)πN …
[HTML][HTML] Tensor–tensor products with invertible linear transforms
Research in tensor representation and analysis has been rising in popularity in direct
response to a) the increased ability of data collection systems to store huge volumes of …
response to a) the increased ability of data collection systems to store huge volumes of …
A fast algorithm for deblurring models with Neumann boundary conditions
Blur removal is an important problem in signal and image processing. The blurring matrices
obtained by using the zero boundary condition (corresponding to assuming dark …
obtained by using the zero boundary condition (corresponding to assuming dark …
Efficient least squares adaptive algorithms for FIR transversal filtering
GO Glentis, K Berberidis… - IEEE signal processing …, 1999 - ieeexplore.ieee.org
A unified view of algorithms for adaptive transversal FIR filtering and system identification
has been presented. Wiener filtering and stochastic approximation are the origins from …
has been presented. Wiener filtering and stochastic approximation are the origins from …
-Channel Oversampled Graph Filter Banks
Y Tanaka, A Sakiyama - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
This paper proposes M-channel oversampled filter banks for graph signals. The filter set
satisfies the perfect reconstruction condition. A method of designing oversampled graph filter …
satisfies the perfect reconstruction condition. A method of designing oversampled graph filter …
[图书][B] Speech recognition over digital channels: Robustness and Standards
Automatic speech recognition (ASR) is a very attractive means for human-machine
interaction. The degree of maturity reached by speech recognition technologies during …
interaction. The degree of maturity reached by speech recognition technologies during …
The algebraic approach to the discrete cosine and sine transforms and their fast algorithms
It is known that the discrete Fourier transform (DFT) used in digital signal processing can be
characterized in the framework of the representation theory of algebras, namely, as the …
characterized in the framework of the representation theory of algebras, namely, as the …
Optimum DCT-based multicarrier transceivers for frequency-selective channels
N Al-Dhahir, H Minn, S Satish - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
We derive conditions on the impulse response and input signal of a frequency-selective
finite-impulse response channel to be diagonalized by the discrete cosine transform (DCT) …
finite-impulse response channel to be diagonalized by the discrete cosine transform (DCT) …
[PDF][PDF] Algebraic Signal Processing Theory: 1-D Space.
In our paper titled “Algebraic Signal Processing Theory: Foundation and 1-D Time”
appearing in this issue of the IEEE TRANSACTIONS ON SIGNAL PROCESSING, we …
appearing in this issue of the IEEE TRANSACTIONS ON SIGNAL PROCESSING, we …