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Engineering Preprint PDF DOI

Circular Phase Representation and Geometry-Aware Optimization for Ptychographic Image Reconstruction

Carson Yu Liu, Jun Cheng, Chien-Chun Chen, Steve F. Shu · 2026

Traditional iterative reconstruction methods are accurate but computationally expensive, limiting their use in high-throughput and real-time ptychography. Recent deep learning approaches improve speed…

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Engineering Preprint PDF DOI

Near-Field Wideband Channel Estimation for XL-MIMO Systems via Denoising Diffusion Model

Qingxia Feng, Yin Fang, Meng Hua, Cheng Zhang, Chunguo Li, Yongming Huang, Luxi Yang · 2026

Extremely large-scale multiple-input multiple-output (XL-MIMO) is a key enabling technology for sixth-generation (6G) communication systems. Nevertheless, the increase in array aperture and signal ban…

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Engineering Preprint PDF DOI

SongBench: A Fine-Grained Multi-Aspect Benchmark for Song Quality Assessment

Dapeng Wu, Shun Lei, Wei Tan, Guangzheng Li, Yunzhe Wang, Huaicheng Zhang, Lishi Zuo, Zhiyong Wu · 2026

Recent advancements in Text-to-Song generation have enabled realistic musical content production, yet existing evaluation benchmarks lack the professional granularity to capture multi-dimensional aest…

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Engineering Preprint PDF DOI

Evaluating the Exp-Minus-Log Sheffer Operator for Battery Characterization

Eymen Ipek · 2026

Odrzywolek (2026) recently introduced the Exp-Minus-Log (EML) operator eml (x, y) = exp(x) - ln(y) and proved constructively that, paired with the constant 1, it generates the entire scientific-calcul…

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Engineering Preprint PDF DOI

Dual-Control Frequency-Aware Diffusion Model for Depth-Dependent Optical Microrobot Microscopy Image Generation

Lan Wei, Zongcai Tan, Kangyi Lu, Jian-Qing Zheng, Dandan Zhang · 2026

Optical microrobots actuated by optical tweezers (OT) are important for cell manipulation and microscale assembly, but their autonomous operation depends on accurate 3D perception. Developing such per…

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Engineering Preprint PDF DOI

AIM: Intent-Aware Unified world action Modeling with Spatial Value Maps

Liaoyuan Fan, Zetian Xu, Chen Cao, Wenyao Zhang, Mingqi Yuan, Jiayu Chen · 2026

Pretrained video generation models provide strong priors for robot control, but existing unified world action models still struggle to decode reliable actions without substantial robot-specific traini…

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Engineering Preprint PDF DOI

VAG: Dual-Stream Video-Action Generation for Embodied Data Synthesis

Xiaolei Lang, Yang Wang, Yukun Zhou, Chaojun Ni, Kerui Li, Jiagang Zhu, Tianze Liu, Jiajun Lv, Xingxing Zuo, Yun Ye, Guan Huang, Xiaofeng Wang, Zheng Zhu · 2026

Recent advances in robot foundation models trained on large-scale human teleoperation data have enabled robots to perform increasingly complex real-world tasks. However, scaling these systems remains …

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Engineering Preprint PDF DOI

Occlusion Handling by Pushing for Enhanced Fruit Detection

Ege Gursoy, Dana Kulic, Andrea Cherubini · 2026

In agricultural robotics, effective observation and localization of fruits present challenges due to occlusions caused by other parts of the tree, such as branches and leaves. These occlusions can res…

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Engineering Preprint PDF DOI

GAP-URGENet: A Generative-Predictive Fusion Framework for Universal Speech Enhancement

Xiaobin Rong, Yushi Wang, Zheng Wang, Jing Lu · 2026

We introduce GAP-URGENet, a generative-predictive fusion framework developed for Track 1 of the ICASSP 2026 URGENT Challenge. The system integrates a generative branch, which performs full-stack speec…

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Engineering Preprint PDF DOI

Visual-RRT: Finding Paths toward Visual-Goals via Differentiable Rendering

Sebin Lee, Jumin Lee, Taeyeon Kim, Younju Na, Woobin Im, Sung-Eui Yoon · 2026

Rapidly-exploring random trees (RRTs) have been widely adopted for robot motion planning due to their robustness and theoretical guarantees. However, existing RRT-based planners require explicit goal …

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Engineering Preprint PDF DOI

Development of ML model for triboelectric nanogenerator based sign language detection system

Meshv Patel, Bikash Baro, Sayan Bayan, Mohendra Roy · 2026

Sign language recognition (SLR) is vital for bridging communication gaps between deaf and hearing communities. Vision-based approaches suffer from occlusion, computational costs, and physical constrai…

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Engineering Preprint PDF DOI

Modeling Spatiotemporal Neural Frames for High Resolution Brain Dynamic

Wanying Qu, Jianxiong Gao, Wei Wang, Yanwei Fu · 2026

Capturing dynamic spatiotemporal neural activity is essential for understanding large-scale brain mechanisms. Functional magnetic resonance imaging (fMRI) provides high-resolution cortical representat…

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Engineering Preprint PDF DOI

Extended-Target Classification and Localization for Near-Field ISAC

Zongyao Zhao, Zhaolin Wang, Lincong Han, Jing Jin, Yuanwei Liu, Kaibin Huang · 2026

Near-field integrated sensing and communication (ISAC) enables object-level sensing from distance-dependent array responses, yet most existing near-field methods still rely on point-target models and …

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Engineering Preprint PDF DOI

HMS-VesselNet: Hierarchical Multi-Scale Attention Network with Topology-Preserving Loss for Retinal Vessel Segmentation

Amarnath R · 2026

Retinal vessel segmentation methods based on standard overlap losses tend to miss thin peripheral vessels because these structures occupy very few pixels and have low contrast against the background. …

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Engineering Preprint PDF DOI

Not an Obstacle for Dog, but a Hazard for Human: A Co-Ego Navigation System for Guide Dog Robots

Ruiping Liu, Jingqi Zhang, Junwei Zheng, Yufan Chen, Peter Seungjune Lee, Di Wen, Kunyu Peng, Jiaming Zhang, Kailun Yang, Katja Mombaur, Rainer Stiefelhagen · 2026

Guide dogs offer independence to Blind and Low-Vision (BLV) individuals, yet their limited availability leaves the vast majority of BLV users without access. Quadruped robotic guide dogs present a pro…

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Engineering Preprint PDF DOI

REST: Receding Horizon Explorative Steiner Tree for Zero-Shot Object-Goal Navigation

Shuqi Xiao, Maani Ghaffari, Chengzhong Xu, Hui Kong · 2026

Zero-shot object-goal navigation (ZSON) requires navigating unknown environments to find a target object without task-specific training. Prior hierarchical training-free solutions invest in scene unde…

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Engineering Preprint PDF DOI

Fairness-Aware Beamforming for Polarimetric ISAC Systems with Polarization-Reconfigurable Antennas

Weijie Xiong, Jingran Lin, Di Jiang, Cunhua Pan, Hongli Liu, Kai Zhong, Qiang Li · 2026

Polarization diversity offers significant flexibility for enhancing integrated sensing and communications (ISAC). However, conventional dual-polarized arrays typically require dedicated radio-frequenc…

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Engineering Preprint PDF DOI

Defending the power grid by segmenting the EV charging cyber infrastructure

Kirill Kuroptev, Florian Steinke, Efthymios Karangelos · 2026

This paper examines defending the power grid against load-altering attacks using electric vehicle charging. It proposes to preventively segment the cyber infrastructure that charging station operators…

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Engineering Preprint PDF DOI

Halfway to 3D: Ensembling 2.5D and 3D Models for Robust COVID-19 CT Diagnosis

Tuan-Anh Yang, Bao V. Q. Bui, Chanh-Quang Vo-Van, Truong-Son Hy · 2026

We propose a deep learning framework for COVID-19 detection and disease classification from chest CT scans that integrates both 2.5D and 3D representations to capture complementary slice-level and vol…

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Engineering Preprint PDF DOI

Fine-tuning is Not Enough: A Parallel Framework for Collaborative Imitation and Reinforcement Learning in End-to-end Autonomous Driving

Zhexi Lian, Haoran Wang, Xuerun Yan, Weimeng Lin, Xianhong Zhang, Yongyu Chen, Jia Hu · 2026

End-to-end autonomous driving is typically built upon imitation learning (IL), yet its performance is constrained by the quality of human demonstrations. To overcome this limitation, recent methods in…

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