35   Artículos

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en línea
FengLei Yang, Fei Liu and ShanShan Liu    
Collaborative filtering (CF) is a widely used method in recommendation systems. Linear models are still the mainstream of collaborative filtering research methods, but non-linear probabilistic models are beyond the limit of linear model capacity. For exa... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Chang Lin, Hai-feng Zhou and Wu Chen    
To address the problem of unclear images affected by occlusion from fog, we propose an improved Retinex image enhancement algorithm based on the Gaussian pyramid transformation. Our algorithm features bilateral filtering as a replacement for the Gaussian... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Gian Domenico Licciardo, Carmine Cappetta and Luigi Di Benedetto    
Exploiting the Bachet weight decomposition theorem, a new two-dimensional filter is designed. The filter can be adapted to different multimedia applications, but in this work it is specifically targeted to image processing applications. The method allows... ver más
Revista: Computers    Formato: Electrónico

 
en línea
Fan Zhao, Renjie Wei, Yu Chao, Sidi Shao and Cuining Jing    
Flying bird detection has recently attracted increasing attention in computer vision. However, compared to conventional object detection tasks, it is much more challenging to trap flying birds in infrared videos due to small target size, complex backgrou... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Wenzhao Zhu, Shengguo Shi, Lei Luo and Jinwei Sun    
This work is proposed for air-conditioner systems in a metro line train cabin. More exactly, the noise produced by rotating machines is the main Gaussian noise. While the train is moving, the friction between wheels and rails provide impulsive noise. The... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Yihao Wu, Jia Huang, Hongkai Shi and Xiufeng He    
Mean dynamic topography (MDT) is crucial for research in oceanography and climatology. The optimal interpolation method (OIM) is applied to MDT modeling, where the error variance?covariance information of the observations is established. The global geopo... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Feng Lu, Jinquan Huang and Yiqiu Lv    
Different approaches for gas path performance estimation of dynamic systems are commonly used, the most common being the variants of the Kalman filter. The extended Kalman filter (EKF) method is a popular approach for nonlinear systems which combines the... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Shengqin Bian, Xinyu He, Zhengguang Xu and Lixin Zhang    
Noise filtering is a crucial task in digital image processing, performing the function of preprocessing. In this paper, we propose an algorithm that employs deep convolution and soft thresholding iterative algorithms to extract and learn the features of ... ver más
Revista: Computers    Formato: Electrónico

 
en línea
Feihu Zhang, Diandian Xu and Chensheng Cheng    
Multi-vehicle collaborative mapping proves more efficient in constructing maps in unfamiliar underwater environments in comparison to single-vehicle methods. One of the pivotal hurdles of Simultaneous Localization and Mapping (SLAM) with multiple underwa... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Kunhu Kou, Bochen Li, Lu Ding and Lei Song    
Underwater multi-target tracking is one of the key technologies for military missions, including patrol and combat in the crucial area. Since the underwater environment is complex and targets? trajectories may intersect when they are in a dense area, it ... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Chen Chen, Weidong Zhou and Lina Gao    
A proper filtering method for jump Markov system (JMS) is an effective approach for tracking a maneuvering target. Since the coexisting of heavy-tailed measurement noises (HTMNs) and one-step random measurement delay (OSRMD) in the complex scenarios of t... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Chen Chen, Weidong Zhou and Lina Gao    
A suitable jump Markov system (JMS) filtering approach provides an efficient technique for tracking surface targets. In complex surface target tracking situations, due to the joint influences of lost measurements with an unknown probability and heavy-tai... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Peng-Fei Xu, Chen-Bo Han, Hong-Xia Cheng, Chen Cheng and Tong Ge    
A three-degrees-of-freedom model, including surge, sway and yaw motion, with differential thrusters is proposed to describe unmanned surface vehicle (USV) dynamics in this study. The experiment is carried out in the Qing Huai River and the data obtained ... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Jianlou Xu, Yuying Guo, Yan Hao and Leigang Huo    
In order to better decompose the images and protect their edges, in this paper, we proposed a coupled variational system consisting of two steps. The first step, an improved weighted variational model is introduced to obtain the cartoon and texture. Usin... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Jiahao Guo, Xiaohuo Yu and Lu Wang    
Industrial quality control is an important task. Most of the existing vision-based unsupervised industrial anomaly detection and segmentation methods require that the training set only consists of normal samples, which is difficult to ensure in practice.... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Kelin Lu, Bingyu Jin and Ning Zhang    
The radome refraction problem gives rise to guidance performance deterioration for homing missiles. Aiming to eliminate the effect of radome refraction on the radar seeker, a novel method is proposed for correcting the radome-induced measurement error by... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Li Ma, Ning Cao, Xiaoliang Feng and Minghe Mao    
In view of the fact that indoor positioning systems are usually affected by non-Gaussian noise in complex indoor environments, this paper tests the data in the actual scene and analyzes the distribution characteristics of noise, and proposes a new indoor... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Junghyun Kim and Kyuman Lee    
Obtaining reliable wind information is critical for efficiently managing air traffic and airport operations. Wind forecasting has been considered one of the most challenging tasks in the aviation industry. Recently, with the advent of artificial intellig... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Jerry Gibson and Hoontaek Oh    
Gaussian and Laplacian pyramids have long been important for image analysis and compression. More recently, multiresolution pyramids have become an important component of machine learning and deep learning for image analysis and image recognition. Constr... ver más
Revista: Information    Formato: Electrónico

 
en línea
Guang Li and Jianqing Li    
In this paper, we propose an optical transmission system of 128 quadrature amplitude modulation for dense wavelength division multiplexing. In such a system, Gaussian optical filtering is used to get an appropriate photonic carrier. Theoretical analysis ... ver más
Revista: Applied Sciences    Formato: Electrónico

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