Multi-modal medical image fusion based on geometric algebra discrete cosine transform

R Wang, N Fang, Y He, Y Li, W Cao… - Advances in Applied …, 2022 - Springer
Multi-modal medical image fusion refers to the combination of patient area images obtained
under diverse or identical imaging modalities, which improves the clinical applicability and …

Geometric algebra in signal and image processing: A survey

R Wang, K Wang, W Cao, X Wang - IEEE Access, 2019 - ieeexplore.ieee.org
Recently, Geometric Algebra (GA) has attracted more and more attention in the field of
signal and image processing. GA can treat multi-dimensional signals in a holistic way to …

L1-norm minimization for multi-dimensional signals based on geometric algebra

R Wang, M Shen, T Wang, W Cao - Advances in Applied Clifford Algebras, 2019 - Springer
We address the ℓ _1 ℓ 1-norm minimization problem, which plays an important role in the
compressed sensing (CS) theory. While most previous approaches are designed for signals …

Multivector sparse representation for multispectral images using geometric algebra

R Wang, M Shen, W Cao - IEEE access, 2019 - ieeexplore.ieee.org
Multispectral images can provide more faithful representations for real scenes than the
traditional images and improve the performance of image restoration tasks. In this paper, we …

Gradient multi-foci networks for 3D skeleton-based human motion prediction

J Shi, J Zhong, Z He, W Cao - Neural Computing and Applications, 2024 - Springer
To achieve 3D skeleton-based human motion prediction, attention-based methods have
encouraged performance due to the observation that attention parts in the past state …

Multi-focus image fusion using geometric algebra based discrete fourier transform

Y Li, S Jiang - Ieee Access, 2020 - ieeexplore.ieee.org
For color image fusion, existing traditional algorithms regard each color image pixel as a
scalar which may lose the relationships among spectral channels. In this paper, a novel …

Geometric algebra and cosine-function based variable step-size adaptive filtering algorithms

K Shahzad, R Wang, Y Feng, K Zhou - Signal, Image and Video …, 2024 - Springer
Adaptive filtering algorithms are currently successfully employed in a number of fields. But, a
disadvantage of traditional real-valued fixed step-size adaptive filtering algorithm is that it is …

An approach to adaptive filtering with variable step size based on geometric algebra

H Wang, Y He, Y Li, R Wang - IET Communications, 2022 - Wiley Online Library
Recently, adaptive filtering algorithms have attracted much more attention in the field of
signal processing. By studying the shortcoming of the traditional real‐valued fixed step size …

Research on geometric algebra-based robust adaptive filtering algorithms in wireless communication systems

R Wang, Y Wang, Y Li, W Cao - EURASIP Journal on Wireless …, 2022 - Springer
Noise and interference are the two most common and basic problems in wireless
communication systems. The noise in wireless communication channels has the …

Electrocardiograph (ECG) recognition based on graphical fusion with geometric algebra

Y Zhao, X Yin, Y Xu - 2017 4th International Conference on …, 2017 - ieeexplore.ieee.org
Since the emergence of extensive multivariate data, feature fusion has been more and more
important. Most conventional methods of feature fusion do not pay sufficient attention to …