Wenlong Niu
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View article: Temporal Point-Supervised Signal Reconstruction: A Human-Annotation-Free Framework for Weak Moving Target Detection
Temporal Point-Supervised Signal Reconstruction: A Human-Annotation-Free Framework for Weak Moving Target Detection Open
In low-altitude surveillance and early warning systems, detecting weak moving targets remains a significant challenge due to low signal energy, small spatial extent, and complex background clutter. Existing methods struggle with extracting…
View article: Temporal Evolution-Aware Network with Spatial Guidance for Dim and Small Space Target Detection
Temporal Evolution-Aware Network with Spatial Guidance for Dim and Small Space Target Detection Open
View article: HyperTea: A Hypergraph-based Temporal Enhancement and Alignment Network for Moving Infrared Small Target Detection
HyperTea: A Hypergraph-based Temporal Enhancement and Alignment Network for Moving Infrared Small Target Detection Open
View article: Knowledge Base Construction and Payload Configuration in Deep Space Exploration Field
Knowledge Base Construction and Payload Configuration in Deep Space Exploration Field Open
View article: Temporal Evolution-Aware Network with Spatial Guidance for Dim and Small Space Target Detection
Temporal Evolution-Aware Network with Spatial Guidance for Dim and Small Space Target Detection Open
View article: Cross-LSTM: Integrating Cross Attention With Long Short-Term Memory Neural Networks in Estimating Joint Moments From Wearable Sensors
Cross-LSTM: Integrating Cross Attention With Long Short-Term Memory Neural Networks in Estimating Joint Moments From Wearable Sensors Open
Precise estimation of joint moments is essential for designing rehabilitation interventions and optimising the control of assistive devices. Current methods, including physics-based modelling and data-driven approaches, heavily depend on m…
View article: PTCTV-KMC: Infrared Small Target Detection Using Joint Partial Tensor Correlated Total Variation and K-Means Clustering
PTCTV-KMC: Infrared Small Target Detection Using Joint Partial Tensor Correlated Total Variation and K-Means Clustering Open
Infrared (IR) small target detection is widely utilized in both military and civilian sectors. Despite the development of numerous advanced methods for detecting small targets, improving overall performance in complex scenes remains a sign…
View article: Dim Small Target Detection and Tracking: A Novel Method Based on Temporal Energy Selective Scaling and Trajectory Association
Dim Small Target Detection and Tracking: A Novel Method Based on Temporal Energy Selective Scaling and Trajectory Association Open
The detection and tracking of small targets in passive optical remote sensing (PORS) has broad applications. However, most of the previously proposed methods seldom utilize the abundant temporal features formed by target motion, resulting …
View article: Infrared Small Target Detection via Two-Stage Feature Complementary Improved Tensor Low-Rank Sparse Decomposition
Infrared Small Target Detection via Two-Stage Feature Complementary Improved Tensor Low-Rank Sparse Decomposition Open
Infrared small target detection has been widely used in military and civil fields. However, due to the insufficient feature integration capabilities of existing methods, effectively separating strong background clutter and targets in compl…
View article: Dim Small Target Detection and Tracking: A Novel Method Based on Temporal Energy Selective Scaling and Trajectory Association
Dim Small Target Detection and Tracking: A Novel Method Based on Temporal Energy Selective Scaling and Trajectory Association Open
Effective detection and tracking of dim and small targets with low SCR has become a research hotspot due to its wide range of applications. However, most of the previously proposed methods seldom utilize the abundant temporal features form…
View article: Magnetopause Detection under Low Solar Wind Density Based on Deep Learning
Magnetopause Detection under Low Solar Wind Density Based on Deep Learning Open
Extracting the peak value of the X-ray signal in the original magnetopause detection method of soft X-ray imaging (SXI) for the SMILE satellite is problematic because of the unclear interface of the magnetosphere system under low solar win…
View article: Moving Point Target Detection Based on Temporal Transient Disturbance Learning in Low SNR
Moving Point Target Detection Based on Temporal Transient Disturbance Learning in Low SNR Open
Moving target detection in optical remote sensing is important for satellite surveillance and space target monitoring. Here, a new moving point target detection framework under a low signal-to-noise ratio (SNR) that uses an end-to-end netw…
View article: Dim and Small Space-Target Detection and Centroid Positioning Based on Motion Feature Learning
Dim and Small Space-Target Detection and Centroid Positioning Based on Motion Feature Learning Open
The detection of dim and small space-targets is crucial in space situational awareness missions; however, low signal-to-noise ratio (SNR) targets and complex backgrounds pose significant challenges to such detection. This paper proposes a …
View article: A Multi-Frame Superposition Detection Method for Dim-Weak Point Targets Based on Optimized Clustering Algorithm
A Multi-Frame Superposition Detection Method for Dim-Weak Point Targets Based on Optimized Clustering Algorithm Open
Long-range surveillance and early warning of space targets are significant factors in space security. Under remote observation conditions, the energy performance of the target is weak and subject to environmental and imaging process contam…
View article: Research on water resource carrying capacity of capital water conservation functional zone
Research on water resource carrying capacity of capital water conservation functional zone Open
Water resources are important for supporting regional economic development. A scientific and reasonable evaluation of the carrying capacity of water resources is of high significance to regional sustainable development. Zhangjiakou City is…
View article: A Large-Scale Invariant Matching Method Based on DeepSpace-ScaleNet for Small Celestial Body Exploration
A Large-Scale Invariant Matching Method Based on DeepSpace-ScaleNet for Small Celestial Body Exploration Open
Small Celestial Body (SCB) image matching is essential for deep space exploration missions. In this paper, a large-scale invariant method is proposed to improve the matching accuracy of SCB images under large-scale variations. Specifically…
View article: Linear Surrogate Uncertainty Analysis Method for Distributed Satellite System
Linear Surrogate Uncertainty Analysis Method for Distributed Satellite System Open
分布式卫星系统在空间科学领域具有广泛的应用前景，同时也对概念设计阶段的分析工作提出了更高的要求.在分布式卫星系统概念设计阶段，评价不确定性参数对于最终探测效能的影响有着重要的工程应用价值.传统的不确定性分析方法存在解析困难、数值模拟计算效率低且耦合关系表征不明确的缺点.本文结合概念设计阶段不确定性分析的特点和需求，提出一种线性回归近似替代模型，将不确定性参数对于探测效能影响的结果计算降维为一个线性组合系数的求解问题.利用一个空间多点探测物理场分界面任务作为典型事例进行仿真验…
View article: UAV Autonomous Tracking and Landing Based on Deep Reinforcement Learning Strategy
UAV Autonomous Tracking and Landing Based on Deep Reinforcement Learning Strategy Open
Unmanned aerial vehicle (UAV) autonomous tracking and landing is playing an increasingly important role in military and civil applications. In particular, machine learning has been successfully introduced to robotics-related tasks. A novel…
View article: Moving Point Target Detection Based onHigh Frame-rate Image Sequence ormalsize
Moving Point Target Detection Based onHigh Frame-rate Image Sequence ormalsize Open
摘要: 针对可见光探测中低信噪比运动点目标检测问题，提出一种基于高时相探测的运动点目标检测方法，构建了基于双谱分析的目标检测器来提取像元时域特征，对背景像元与目标像元进行区分.仿真分析与实验结果均表明，所提出的方法能够对低信噪比运动点目标进行有效检测，在一定帧频范围内，目标检测能力与采样帧频正相关.相比常用的运动点目标检测方法，本文方法具有更高的检测效能. 关键词: 高时相 / 目标检测 / 时间序列 / 运动点目标 / 高阶谱
View article: A Fast calculation method for coverage analysis of space telescope based on coordinates transformation and QTM code
A Fast calculation method for coverage analysis of space telescope based on coordinates transformation and QTM code Open
摘要: 提出一种基于坐标系转换与QTM编码的天球面探测覆盖栅格化分析方法,并对其计算精度和效率进行了实验分析,相比传统算法和经纬网格编码方法,该方法具有明显的效率和精度优势,能够满足以天球面为探测目标的空间科学卫星有效载荷探测覆盖分析和任务规划的需要. 关键词: 天球面 / 覆盖分析 / 坐标系转换 / QTM / 编码