We consider a finite-time optimal portfolio problem with liquid and illiquid assets in a continuous time model. In our model, the price process of a stock is characterized by a factor model. In addition to liquid asse...
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Intelligent recognition of arrhythmias using ECG signals is crucial in the diagnosis and prevention of heart diseases. However, traditional methods for detecting arrhythmias rely on manual analysis by specialized phys...
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RGB-D semantic segmentation is gaining increasing attention as it provides greater accuracy than traditional RGB semantic segmentation. The key idea of RGB-D semantic segmentation is to train a convolutional neural ne...
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Since human beings are of limited reasoning ability as well as the machines do not usually know human intentions, how to learn human cognitive levels in shared control to enhance the machines’ intelligence is a chall...
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To cater for the high autonomy and flexibility requirements of the UAV (Unmanned Aerial Vehicle) velocity adjustment plays an important role in UAV motion planning. Aggressive flight in complex environments may cause ...
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Metamaterials with artificial designability and perfect absorption provide a novel design method for the manipulation and attenuation of ***,owing to the limitations of meta-atomic reso-nance effect and the lossless m...
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Metamaterials with artificial designability and perfect absorption provide a novel design method for the manipulation and attenuation of ***,owing to the limitations of meta-atomic reso-nance effect and the lossless medium,it is difficult to achieve effective microwave absorption in a broad-band frequency ***,an ultra-wideband metamaterial absorber(UWMA)composed of two mag-netic media and a metasurface was designed,and the absorption bandwidth of 2.9 to 18 GHz for 90%absorptivity under normal incidence was achieved,covering almost the entire S,C,X,and Ku *** detailed investigation of equivalent circuit,equivalent medium theory,electromagnetic field dis-tribution and front-back interface interference,the internal physical working mechanism was clarified *** addition,the multi-environment adaptabilities of the proposed absorber,including polariza-tion sensitivity,large angle incidence,dual-station radar stealth,bearing capacity and corrosion resistance,were *** proposed metamaterial absorber presents an effective way to achieve ultra-wideband absorption and compatibility with environmental adaptability,and provides a new way of thinking for intelligent full-band stealth technology.
Automated replenishment is one of the most challenging in-store logistics tasks, which has not been well-addressed due to the complex coordination of a mobile base and a manipulator. In this paper, we build a complete...
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This paper focuses on the effective utilization of data augmentation techniques for 3Dlidar point clouds to enhance the performance of neural network *** point clouds,which represent spatial information through a coll...
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This paper focuses on the effective utilization of data augmentation techniques for 3Dlidar point clouds to enhance the performance of neural network *** point clouds,which represent spatial information through a collection of 3D coordinates,have found wide-ranging *** augmentation has emerged as a potent solution to the challenges posed by limited labeled data and the need to enhance model generalization *** of the existing research is devoted to crafting novel data augmentation methods specifically for 3D lidar point ***,there has been a lack of focus on making the most of the numerous existing augmentation *** this deficiency,this research investigates the possibility of combining two fundamental data augmentation *** paper introduces PolarMix andMix3D,two commonly employed augmentation techniques,and presents a new approach,named *** of using a fixed or predetermined combination of augmentation methods,RandomFusion randomly chooses one method from a pool of options for each instance or *** innovative data augmentation technique randomly augments each point in the point cloud with either PolarMix or *** crux of this strategy is the random choice between PolarMix and Mix3Dfor the augmentation of each point within the point cloud data *** results of the experiments conducted validate the efficacy of the RandomFusion strategy in enhancing the performance of neural network models for 3D lidar point cloud semantic segmentation *** is achieved without compromising computational *** examining the potential of merging different augmentation techniques,the research contributes significantly to a more comprehensive understanding of how to utilize existing augmentation methods for 3D lidar point *** data augmentation technique offers a simple yet effective method to leverage the diversity of augmentation techniques and boost the ro
This article investigates a sliding mode iterative learning control (SMILC) problem for a class of discrete linear repetitive process with non-repetitive external disturbances. Particularly, the repetitive process is ...
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State of charge (SOC) estimation of power battery pack is critical for electric vehicles (EVs). During the service life of electric vehicles, the consistency of power pack changes due to manufacturing errors and diffe...
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