Octant Spherical Harmonics Features for Source Localization using Artificial Intelligence based on Unified Learning Framework

P Dwivedi, G Routray, RM Hegde - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Recent advancements in artificial intelligence (AI) have shown potential solutions to acoustic
source localization in three-dimensional space. This paper proposes a new low-complex AI …

Long-term temporal audio source localization using sh-crnn

P Dwivedi, SB Hazare, G Routray… - … National Conference on …, 2023 - ieeexplore.ieee.org
Acoustic source localization in a noisy and reverberating environment is still a challenging
problem in signal processing. An improved technique has been developed herein exploring …

[HTML][HTML] Spherical harmonics domain-based approach for source localization in presence of directional interference

P Dwivedi, G Routray, RM Hegde - JASA Express Letters, 2022 - pubs.aip.org
This paper presents a learning-based method for source localization in the presence of
directional interference under reverberant and noisy conditions. The proposed method …

A Machine-Learning-based approach to Direction-of-arrival Sectorization using Spherical Microphone Array

CJ Nnonyelu, M Jiang, M Adamopoulou… - 2024 IEEE 13rd …, 2024 - ieeexplore.ieee.org
Direction of arrival estimation using the spherical microphone array usually requires a
search in the whole 3-dimensional space, hence computationally demanding. This work …

Robust DOA Estimation: Cross-Branch Fused Multi-stream Network with Feature Enhancement

Y Yan, Q Huang - Circuits, Systems, and Signal Processing, 2024 - Springer
Accurate direction of arrival (DOA) estimation is critical for many audio signal processing
tasks in microphone array applications. However, real-world environments pose …

Empowering Industry 5.0: nurturing STEM tertiary education and careers through Additional Mathematics

CZ Liang, ALB Sern, TC Cheng, DLK Luen… - … , and Education for …, 2024 - igi-global.com
The rise of Industry 5.0 underscores the need to foster STEM professionals for economic
progress. However, the drop in urban Pahang's upper-secondary students enrolled in …

Improving Source Tracking Accuracy through Learning-Based Estimation Methods in SH Domain: A Comparative Study

P Dwivedi, G Routray, DK Jha… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Acoustic source tracking is significant across applications like surveillance,
teleconferencing, and robot audition, yet the complexity introduced by reverberation …

Support Vector Machines: Unveiling the Power and Versatility of SVMs in Modern Machine Learning

K Saravanan, RB Prakash… - 2023 3rd …, 2023 - ieeexplore.ieee.org
Support vector machines, or SVMs, have become a really big deal in machine learning
because of how good they are at classification and regression problems. This article …

A Multiclass Support Vector Machine Based Direction-of-Arrival Estimation Technique using Spherical Antenna Array with Undefined Mutual Coupling

OJ Famoriji, T Shongwe - Indonesian Journal of Electrical …, 2024 - section.iaesonline.com
In antenna array signal processing, estimating the direction-of-arrival (DoA) remains a
challenge and basic problem. In this paper, a DoA estimation technique using support vector …

[PDF][PDF] Learning-based masking for reliable source localization interfered by undesired directional noise

P Dwivedi, G Routray, S Hazare… - Proc. Conv. Eur. Acoust …, 2023 - dael.euracoustics.org
It is incredibly challenging to simultaneously locate an acoustic source in a noisy,
reverberant environment and mitigates directional interference. The proposed study uses a …