Due to their versatility and effectiveness, Deep Learning (DL) approaches are increasingly used in designing Network Intrusion Detection systems (NIDSs). Specifically, Anomaly Detection (AD) approaches such as AutoEnc...
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ISBN:
(纸本)9798350374520;9798350374513
Due to their versatility and effectiveness, Deep Learning (DL) approaches are increasingly used in designing Network Intrusion Detection systems (NIDSs). Specifically, Anomaly Detection (AD) approaches such as AutoEncoders proved suitable when malicious traffic for training is not available. However, understanding how and why DL models provide a certain decision is often challenging, since they are often considered black boxes. In this paper, we develop a methodology based on SHAP-a well-known eXplainable Artificial Intelligence (XAI) technique-to elucidate the contribution of traffic features to the decisions of anomaly detectors. The interpretability gained through our methodology facilitates a deeper understanding of the characteristics of network traffic that drive the detection process. We evaluate our methodology on two recent IoT datasets including attack traffic (Kitsune and IoT-23). Leveraging the interpretability results, our investigation yields substantial enhancements in model complexity (up to -98%) without compromising its detection capabilities. The experimental results underscore the potential of XAI in refining and advancing the landscape of NIDSs.
Convolutional neural network (CNN)-based methods have been extensively used for remote sensing scene classification (RSSC) and have obtained remarkable classification results. However, its limitations in extracting gl...
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ISBN:
(纸本)9798350344868;9798350344851
Convolutional neural network (CNN)-based methods have been extensively used for remote sensing scene classification (RSSC) and have obtained remarkable classification results. However, its limitations in extracting global features have hindered further improvement. Transformers can directly capture global features through self-attention mechanisms, but they have deficiencies in modeling local features. Currently, an approach that directly combines CNN and Transformer features may lead to feature imbalance, and introduce redundant information. To address these problems, we propose a local and global feature adaptive adjustment network (LGFAANet) for RSSC. First, we employ a dual-branch network structure to extract local and global features from remote sensing scene images. Second, we design a local and global feature adaptive adjustment module (LGFAA) to dynamically allocate weights to the features. Third, we use a multi-layer feature aggregation module (MLFA) to aggregate the adjusted features, thereby further enhancing feature representation. Finally, we introduce joint loss to accelerate network convergence, while reducing intra-class distance and increasing inter-class distance. Experimental results demonstrate that our proposed method displays enhanced feature representation ability and outperforms existing state-of-the-art methods.
This paper presents a real-time semantic segmentation framework for camera-based environment perception of objects and infrastructure elements in autonomous scale cars. It is specifically targeted towards student comp...
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ISBN:
(纸本)9798350394283;9798350394276
This paper presents a real-time semantic segmentation framework for camera-based environment perception of objects and infrastructure elements in autonomous scale cars. It is specifically targeted towards student competitions such as the Carolo Cup or the Bosch Future Mobility Challenge. To reduce pixel-wise manual annotation efforts, our framework involves a mixture of both synthetic and real image data, carefully tuned towards the unique requirements of the given scenario. Real images are acquired from a 1:10 scale vehicle equipped with a single monocular camera and are manually annotated. Synthetic image data with automatic pixel-wise annotation is obtained via a custom Unity-based simulation pipeline. We evaluate various mixed real-synthetic data strategies to train different state-of-the-art deep neural networks with a focus on both segmentation performance and real-time capability using an NVIDIA Jetson AGX Xavier platform as in-vehicle test bed. Our experimental results show a significant improvement in semantic segmentation performance of the mixed real-synthetic data approach at real-time speeds of approximately 60 FPS on the target platform.
The application of mobile internettechnology in the test of power distribution terminal is analyzed, and the mobile system architecture of the test terminal is explained. The closed loop test system of the intelligen...
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Accurate segmentation of marine objects holds crucial significance and value in underwater resource exploration and marine rescue. However, in complex and noisy underwater environments, existing CNN-based algorithms f...
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All intelligent objects are connected through a worldwide network called the internet of Things (IoT).. It serves as the conduit via which all things can communicate with one another. The term internet of vehicles is ...
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This work utilizes an Efficient Net-based deep learning architecture, leveraging its efficiency and scalability for image classification tasks. We employ a Dataset of chest X-ray images, including COVID-19 cases as we...
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Unsupervised domain adaptation (UDA) aims to transfer knowledge from the labeled source domain to the fully-unlabeled target domain, thus improving the classification performance of the target domain. Recently, self-t...
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ISBN:
(纸本)9798350344868;9798350344851
Unsupervised domain adaptation (UDA) aims to transfer knowledge from the labeled source domain to the fully-unlabeled target domain, thus improving the classification performance of the target domain. Recently, self-training has shown its effectiveness on UDA. However, the feature space for generating pseudo-labels contains a large amount of source information, making it challenging for the generator to learn discriminative features of the target domain. In this paper, we propose a self-training domain adaptation model via weight transmission between generators (WTBG). Specifically, we develop a bi-directional transmission structure for generators, using Exponential Moving Average (EMA) as the bridge between two generators. By cyclically transmitting weight parameters between them, alleviate the difficulty of generators in learning target features. And a pseudo-label filter based on cosine similarity is designed to reduce the influence of error pseudo-labels. Extensive experiments conducted on two benchmark UDA datasets show that WTBG has superior classification performance.
Automatic and accurate vessel segmentation is crucial for disease diagnosis. Deep learning methods are widely used, but their promising results rely on accurately annotated data. Due to complex vessel morphology and l...
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In this study, we present a novel method for pinpointing landmarks in X-ray images, which simultaneously offers computational efficiency and localization precision. Our method leverages a cyclic coordinate-guided stra...
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ISBN:
(纸本)9798350344868;9798350344851
In this study, we present a novel method for pinpointing landmarks in X-ray images, which simultaneously offers computational efficiency and localization precision. Our method leverages a cyclic coordinate-guided strategy that requires fewer model parameters and lower computational costs than traditional heatmap-based supervised methods. This is crucial for medical imaging applications where imaging devices often have limited computational resources yet require high-precision landmark localization. Our methodology involves a two-stage process that employs cyclic inference to optimize landmark localization. In the first stage, non-uniform sampling is used to capture the multi-scale features of landmarks. This is followed by a second stage in which cyclic training fine-tunes the landmark coordinates towards their optimal positions. Our results indicate that our two-stage process achieves competitive localization performance with state-of-the-art methods yet with added benefits of lower computational overhead and smaller parameter count. Additionally, a global block was developed to capture global position information of landmarks, and experiments showed its effectiveness and its contribution in enhancing the model's landmark localization accuracy. We validated our method using two publicly available datasets, and the source code for our experiments is available on GitHub: https://***/switch626/***.
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