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4 Results Found

  • Article
  • Open Access
5 Citations
5,644 Views
22 Pages

A Multi-Frame PCA-Based Stereo Audio Coding Method

  • Jing Wang,
  • Xiaohan Zhao,
  • Xiang Xie and
  • Jingming Kuang

12 June 2018

With the increasing demand for high quality audio, stereo audio coding has become more and more important. In this paper, a multi-frame coding method based on Principal Component Analysis (PCA) is proposed for the compression of audio signals, includ...

(This article belongs to the Special Issue Modelling, Simulation and Data Analysis in Acoustical Problems)
  • Article
  • Open Access
3 Citations
2,992 Views
17 Pages

21 April 2021

In this paper, we propose a cooperative linear discriminant analysis (LDA)-based motion classification algorithm for distributed micro-Doppler (MD) radars which are connected to a data fusion center through the limited backhaul. Due to the limited ba...

(This article belongs to the Special Issue Signal Processing in Radar and Wireless Communication Systems)
  • Article
  • Open Access
924 Views
14 Pages

Pyramid Product Quantization for Approximate Nearest Neighbor Search

  • Yang Wang,
  • Lu Yu,
  • Jinbin Zhang and
  • Qiyuan Zhang

14 January 2026

Product quantization (PQ) is a widely adopted technique for efficient approximate nearest neighbor (ANN) search in high-dimensional spaces, offering a favorable balance between accuracy and memory efficiency. However, standard PQ suffers from high on...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
19 Citations
4,071 Views
30 Pages

Text-Guided Synthesis in Medical Multimedia Retrieval: A Framework for Enhanced Colonoscopy Image Classification and Segmentation

  • Ojonugwa Oluwafemi Ejiga Peter,
  • Opeyemi Taiwo Adeniran,
  • Adetokunbo MacGregor John-Otumu,
  • Fahmi Khalifa and
  • Md Mahmudur Rahman

9 March 2025

The lack of extensive, varied, and thoroughly annotated datasets impedes the advancement of artificial intelligence (AI) for medical applications, especially colorectal cancer detection. Models trained with limited diversity often display biases, esp...

(This article belongs to the Special Issue Algorithms and Applications of Machine Learning Techniques for Healthcare)