Ping Zhang

Efficient Online Sparse Target Reconstruction for Stochastic Radiation Radar Based on Progressive Staring Sparse Pruning Approach

Ping Zhang, Lu Jiao, Deqing Mao, Yin Zhang et autres

Stochastic radiation radar (SRR) utilizes stochastic electromagnetic wave signals to form a radiation field randomly distributed in space, offering advantages such as non-reliance on motion for high resolution imaging. However, existing SRRs typically acquire batched data through long-duration staring observations of the …

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Flexible Landing Control of a Quadruped Robot’s 2-DOF Leg Using DDPG During Free Fall at Varying Heights

Jiaheng Zhang, Min Li, Ao Huang, Yunwei Pan et autres

This paper presents a deep reinforcement learning-based method for two-degree-of-freedom (2-DOF) flexible landing leg for quadruped robots, which aims to mitigate the problem of high impact forces during free-fall landings at uncertain heights. First, a virtual model controller (VMC) for the 2-DOF …

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Interacting two-hand instance segmentation and pose estimation based on attention-induced separation

Digang Sun, Ping Zhang

Estimating 3D hand poses from single RGB images is essential in real applications. However, the random use of single and two hands, the similarity and occlusion between hands, and the lack of depth clues make it challenging. To address this issue, we …

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Estimating 3D hand poses from single RGB images for industrial robot teleoperation

Digang Sun, Ping Zhang

3D hand pose estimation from single RGB images is challenging because self-occlusion and the absence of depth make it difficult to regress relative depth between hand joints and to produce biomechanically feasible hand poses. To address these issues, we propose a Prior-knowledge …

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Research on attitude compensated algorithm for shipborne dynamic weighing

Meifeng Xie, Ping Zhang, Kundong Wang, Huaming Lei

Abstract Shipborne dynamic weighing is fundamental in developing marine fishery resources and oceanographic research. It enables the weighing and sorting of seafood, quantitative baiting, and measurement of research sample weights in marine environments. Therefore, developing shipborne dynamic weighing systems is crucial for …

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Experimental Study on Dynamic Exhaust Law for Ventilation System of Gas Tunnel

Ping Zhang

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Area Coverage for Swarm Robots Via Inverse Reinforcement Learning

Mingxuan Chen, Ping Zhang

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Face and Gesture Recognition Based on CNN and CPM Model

Xinyu Xiang, Ping Zhang, Qiang Yuan, Renping Li et autres

In the autonomous motion control of unmanned equipment, in order to make the control more precise and efficient, in addition to the automatic operation of unmanned system, it is also necessary to introduce a certain amount of human-computer interaction. In this paper, …

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A Motion Propagation Prediction based Sim2Real Strategy Migration for Clutter Removal

Jiaxin Zhang, Ping Zhang

When objects are densely placed, training in the simulation with artificial samples and removing clutter are helpful to reduce the cost and risk. However, the performance of control strategy decreases in sim2real is still a challenge. This paper introduces a clutter removal …

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Low Intensity Focused Ultrasound Ignited “Deep-Penetration Nanobomb” (DPNB) for Tetramodal Imaging Guided Hypoxia-Tolerant Sonodynamic Therapy Against Hypoxic Tumors

Luo Y, Bin Qiao, Chi Yang, Ping Zhang et autres

Yuanli Luo1 *, Bin Qiao1 *, Chao Yang2 *, Ping Zhang,1 Zhuoyan Xie,1 Jin Cao,1 Anyu Yang,1 Qinyanqiu Xiang,1 Haitao Ran,1 Zhigang Wang,1 Lan Hao,1 Yang Cao,1 Zhiyi Zhou,3 Jianli Ren1 1Chongqing Key Laboratory of Ultrasound Molecular Imaging, the Second Affiliated Hospital …

Ten Years of VIIRS On-Orbit Geolocation Calibration and Performance

Guoqing Lin, Robert E. Wolfe, Ping Zhang, John J. Dellomo et autres

The first innovative Visible Infrared Imaging Radiometer Suite (VIIRS) sensor aboard the Suomi National Polar-orbiting Partnership (SNPP) satellite has been in operation for 10 years since its launch on 28 October 2011. The second VIIRS sensor aboard the first Join Polar Satellite …

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Influence of order-disorder transition on the mechanical and thermophysical properties of A2B2O7 high-entropy ceramics

Jiatong Zhu, Mingyue Wei, Jie Xu, Runwu Yang et autres

Abstract The order-disorder transition (ODT) of A2B2O7 compounds obtained enormous attention owing to the potential application for thermal barrier coating (TBC) design. In this work, the influence of ODT on the mechanical and thermophysical properties of dual-phase A2B2O7 high-entropy ceramics was investigated …

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