Author

Houpu Li

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Review Open access Aug 2026

A Multi-Feature Early Fusion Network with Domain-Specific Contrastive Representation and Attention Mechanism for Side-Scan Sonar Target Detection

Accurate target detection in side-scan sonar imagery is important for marine resource investigation, underwater infrastructure inspection, and maritime security. However, Side-scan sonar images are often affected by low contrast, acoustic speckle, weak target boundaries, and cluttered seabed backgrounds, which make tar...

Junhui Zhu, Hou-Pu Li, Shao-Feng Bian et al. · Applied Sciences · 0 citations

Review Open access Sep 2026

Extraction of Time-Varying Signals in GNSS and Geophysical Interpretation: Methods, Advances, and Challenges

Highlights What are the main findings? Maximum Likelihood Estimation (MLE) has become the standard for GNSS linear trend extraction because it jointly estimates trend parameters and stochastic noise covariance; by doing so, it corrects the up to 5–10-fold underestimation of velocity uncertainty that occurs when tempora...

Xiang-Jun Li, Shuguang Wu, Hou-Pu Li et al. · Italian National Conference... · 0 citations