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Computation, Volume 13, Issue 12

December 2025 - 25 articles

Cover Story: Photoplethysmographic (PPG) signals are widely used in wearable health monitoring, yet robust peak detection remains challenging due to noise, motion artifacts, and signal variability. This study introduces a hybrid deep learning architecture that integrates discrete wavelet transform (DWT) feature extraction with CNN–LSTM modeling and a temporal attention mechanism. The proposed approach captures both multiscale morphological features and long-term temporal dependencies, enabling adaptive peak localization under diverse signal conditions. Experimental results demonstrate improved detection accuracy and robustness compared to conventional and deep learning-based methods, supporting the reliability of heart rate analysis in real-world biomedical applications. View this paper
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Articles (25)

  • Article
  • Open Access
357 Views
16 Pages

1 December 2025

Effective communication between deaf–mute and visually impaired individuals remains a challenge in the fields of human–computer interaction and accessibility technology. Current solutions mostly rely on single-modal recognition, which oft...

  • Article
  • Open Access
317 Views
19 Pages

Computational Analysis of Unipolar Stacked Switched Capacitor Architecture for Active Power Decoupling in Single-Phase Systems

  • Omar Rodríguez-Benítez,
  • Mario Ponce-Silva,
  • María Del Carmen Toledo-Pérez,
  • Ricardo E. Lozoya-Ponce,
  • Claudia Cortes-García,
  • Juan A. González-Flores and
  • Alfredo González-Ortega

1 December 2025

Computational analysis using PSpice has become an indispensable tool for evaluating power electronics circuits, as it allows accurate simulation of transient effects, ripple, and component dynamics, enabling reliable assessment of complex topologies...

  • Article
  • Open Access
592 Views
19 Pages

25 November 2025

The FitzHugh–Nagumo (FHN) equation in one dimension is solved in this paper using an improved physics-informed neural network (PINN) approach. Examining test problems with known analytical solutions and the explicit finite difference method (EF...

  • Article
  • Open Access
520 Views
15 Pages

Dihedral Corner Region Camouflage in Radar Vision by Super-Dispersion Encoded Surfaces

  • Weibin Sun,
  • Wenlin Zhang,
  • Xujin Yuan,
  • He Tian,
  • Sheng Li and
  • Hongcheng Yin

22 November 2025

Right-angle dihedral structures produce strong, highly correlated returns that dominate radar cross-section (RCS) and image signatures. Conventional absorbers or random coding metasurfaces often lose effectiveness across wide frequency bands and angl...

  • Article
  • Open Access
452 Views
31 Pages

22 November 2025

This study proposes an enhanced deep learning framework for accurate detection of P-peaks in noisy photoplethysmographic (PPG) signals, utilizing a hybrid architecture that integrates wavelet-based analysis with neural network components. The P-peak...

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Computation - ISSN 2079-3197