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Open access Sep 2026

Real-Time Fall Detection in Indoor Environments Using FMCW Radar and Lightweight Ensemble CNN on Edge Devices

A privacy-preserving, real-time fall detection system using a frequency-modulated continuous wave radar sensor and a lightweight convolutional neural network architecture deployed on an edge device indicates the feasibility of privacy-preserving on-device fall detection, while validation with older adults and in real l...

Ju-Hong Oh, Young-Joon Park, Seon-in Kim et al. · 0 citations
Open access 2026

HFSC-Net: A Hierarchical-Feature-Guided Spatial-Frequency Dual-Domain Collaborative Network for Remote Sensing Image Semantic Segmentation

With the rapid development of high-resolution remote sensing platforms and the growing demand for intelligent Earth observation, remote sensing image semantic segmentation has become a key technology for road extraction, urban–rural planning, disaster monitoring, and ecological assessment. However, complex remote sensi...

Zi Yuan, Quan-Nian Zhang, Guo-Tong Geng et al. · 0 citations
Open access Sep 2026

M-FSAD-KD: Full-Link Multi-Granularity Distillation for SAR Object Detection

M-FSAD-KD is proposed, a full-link distillation framework whose neck-stage Fourier-gated alignment transfers low-frequency structural content while preserving target-edge high-frequency content; a joint spatial–channel attention mask, a shallow backbone adapter, and a response-level knowledge distillation (KD) term com...

Yu-Ming Tong, Kai-Na Xiong, Jun Liu et al. · 0 citations
2026

STDF-Net: Spatio-Temporal Decoupling and Frequency-Aware Fusion Network for Multiframe Infrared Small Target Detection

Infrared small target detection (IRSTD) plays an important role in a wide range of civilian and military applications. However, the accurate detection remains challenging because infrared (IR) targets usually occupy only a few pixels and exhibit weak contrast, while complex background structures can generate target-lik...

Peng-Qiang Ge, Guo-Hua Gu, Wei-Xian Qian et al. · 0 citations
Oct 2026

KCTF-Net: Kinematic Compensation Temporal Fusion for 4D Radar 3D Object Detection

4D millimeter-wave (mmWave) radar enables all-weather 3D object detection with reliable Doppler sensing. However, its practical application is hindered by inherent sparsity and noise. While multi-frame accumulation densifies point clouds, it inevitably introduces motion-induced spatiotemporal misalignment and geometric...

Xing-Kai Jin, Guang-Xian Xu, Fei Ma et al. · 0 citations
2026

SFERA-Net: Spatial–Frequency Evolutionary Relational Awareness Network for Infrared Small Target Detection

Infrared small target detection (IRSTD) remains highly challenging in long-range imaging scenarios due to extremely weak target characteristics and severe background interference. Although recent deep learning-based methods have achieved remarkable progress through hierarchical representation learning, subtle target cu...

Gui-Ping Wu, Lidong Liu, Tao Gao et al. · 0 citations

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