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The optimal sub-pattern assignment (OSPA) metric is a distance between two sets of points that jointly accounts for the dissimilarity in the number of points and the values of the points in the respective sets. The OSPA metric is often used for measuring the distance between two sets of points in Euclidean space. A common example is in multi-target filtering, where the aim is to estimate the set of...
VGG 16 and Inception-v3 networks were trained using a texture dataset of muddied and clean cows. A new dataset with 600 images that is similar to the actual texture dataset was introduced and used to train the networks. The method used to train the networks was transfer learning. ImageNet weights were trained using the similar dataset, then the newly trained weights were trained again using the actual...
This paper presents a new approach towards statistical fusion of multi-source information. Our solution is formulated in the context of fusing the Poisson finite random set posteriors returned by multiple local PHD filters at sensor nodes of a distributed multi-sensor multi-object estimation system. The most common measure used for information gain in stochastic multi-source information fusion is...
The paper addresses a fast implementation algorithm about distributed fusion with CPHD filter. An implementation method of distributed fusion based on maximum probability association (MPA), called MPA-DF, is presented. Though the performance of MPA-DF is a little worse than traditional Generalization Covariance Intersection (GCI) distributed fusion method, called GCI-DF, the former needs lower computational...
Device-to-device (D2D) communication not only expected to leverage the energy efficiency in the devices side but also on the network side. The previous works usually only address the energy efficiency of device discovery, which is an important process in D2D, in device side. In this work, we addressed the energy-efficiency of a network element during D2D device discovery. First, we adapted energy...
Technique of comparing pedestrian images observed by different cameras to determine whether they are the same person is important in the surveillance system. This technique is called Person re-identification. Most of Person reidentification is underway assuming that occlusion does not occur. However, since occlusion occurs frequently in the surveillance system and affects accuracy, it is necessary...
[Context:] The quality of requirements engineering artifacts, e.g. requirements specifications, is acknowledged to be an important success factor for projects. Therefore, many companies spend significant amounts of money to control the quality of their RE artifacts. To reduce spending and improve the RE artifact quality, methods were proposed that combine manual quality control, i.e. reviews, with...
The increasing automation and capacity of communication of industrial systems brings new possibilities and challenges to the sector. We investigate a problem of distributed and collective supply and discuss solutions to the issue of fair and reliable decision making in open systems. By combining principles of social organisation with blockchain and smart-contract technologies, we show that it is possible...
In this paper, a robust visual tracking system by utilizing the images acquired from a color camera and a thermal camera is proposed to track the target with real-time performance. The thermal camera, which can observe the heat originated from the target such as the human body or vehicle, can collaborate with the color camera to track the target in the cluttered environment or under occlusion. Unlike...
Several technical challenges should be taken into consideration when setting up hands-on laboratories, workshops and projects while the educational service providers need powerful, effective, stable and easy-to-use systems. In order to meet those requirements, such systems are designed and deployed as affordable services that request stability, reliability, availability, autonomy and resilience. This...
The number of software-driven features within a modern automotive powertrain rises significantly. With increasing number of features, also the risk of undesired interactions between those features rises drastically. This leads to new challenges with regard to efficiency in testing such automotive features. Automated Feature-Interaction-Testing significantly increases the efficiency of such feature...
In this paper, we propose an efficient terrain meshing method based on discrete point cloud, which is based on the existing meshing method of 3D reconstruction. Our meshing method uses the DTM (Delaunay Triangle Mesh) as a criterion to establish vertex constraints and evaluation functions. We start from a seed triangle and use the growing method to extend the outer-edge of each triangle until all...
Autonomous asbestos removal requires a highly reliable and precise map of the robot's environment. These maps are usually obtained through Simultaneous Localization and Mapping (SLAM) yielding maps that vary in accuracy and exhibited noise. Given the high number of available SLAM algorithms on the one hand and the map's significance for the asbestos removal process on the other hand, a comparative...
Using parallel manipulator into free-form surface polishing process has become a kind of trend, the parallel polishing manipulator system with dynamic feed-forward control which can improve the system response speed and control precision. This will guarantee the practical application and commercially of the parallel polishing machine tool. This paper bases on five degree of freedom parallel polishing...
To improve the loading environment, the spacecraft reliability, and reduce the launch risks, the thesis is based on the application of whole-spacecraft vibration isolation, and to design a vibration isolation platform is built by three degree-of freedom parallel mechanism. The kinematics of the mechanisms was analyzed, the dynamics models considering the rotation stiffness of the flexure hinges was...
Design a scientific and reasonable Car styling is the first task of car development. These should be in accordance with the public appreciation of the beauty. The SUV car styling evaluation research is based on the user's demands, using Kansei Engineering research method, contrast with sensual word index, The results of the SUV model evaluation index weight of various indicators calculated by minimum...
A design method for ultrasonic torsional transducer is presented based on the one-dimensional wave equation and the equivalent circuit method. Firstly, the equivalent circuits of torsional transducer and horn are constructed. The mounting flange can be placed right at the nodal plane, where no angular displacement occurs. An ultrasonic torsional tool is fabricated according to the presented method,...
Dragonfly algorithm is a novel meta-heuristic optimization algorithm and was originally proposed for solving continuous optimization problems. To enhance the optimization performance of the Dragonfly algorithm, this paper proposed an improved Dragonfly algorithm, which was based on elite opposition-based learning strategy and exponential function adaptive steps. The elite individual is introduced...
In deep neural networks, inputs in each layer are affected by all previous parameters of input layers, so even small changes in input distributions to the network are delivered to internal layers, for leading to differences between source domain and target domain, which is known as covariate shift. Batch Normalization(BN) is designed to address the issue, and makes normalization for each training...
In this paper, a high speed detection method of aircraft targets in remote sensing images is proposed based on proposal oriented FAST and adaptive matching of local invariant features. In order to reduce the search scope, the region of parking apron is extracted by region growing based on OTSU segmentation. Moreover, Binarized Normed Gradient (BING) and Spectral Residual Saliency (SRS) are applied...
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