Applied Intelligence最新文献

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MGMP: Multi-granularity semantic relation learning and meta-path structure interaction learning for fake news detection MGMP:基于多粒度语义关系学习和元路径结构交互学习的假新闻检测
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-14 DOI: 10.1007/s10489-025-06560-9
Baozhen Lee, Dandan Cao, Tingting Zhang
{"title":"MGMP: Multi-granularity semantic relation learning and meta-path structure interaction learning for fake news detection","authors":"Baozhen Lee,&nbsp;Dandan Cao,&nbsp;Tingting Zhang","doi":"10.1007/s10489-025-06560-9","DOIUrl":"10.1007/s10489-025-06560-9","url":null,"abstract":"<div><p>This paper proposes the joint learning model <u>M</u>ulti-<u>G</u>ranularity Semantic Relation Learning and <u>M</u>eta-<u>P</u>ath Structure Interaction Learning for fake news detection (MGMP). The MGMP improves global semantic relation learning through a multi-granularity process involving coarse-grained and fine-grained learning modules, along with meta-path based global interaction learning. It begins by refining global semantic recognition accuracy at the word-level and document-level through attention mechanisms and convolutional neural networks. Furthermore, it enhances global interaction learning by enhancing meta-path instance representations with various meta-paths and employing multi-head self-attention mechanisms within the network structure. Experimental findings on real datasets confirm the effectiveness of the MGMP in fake news detection by enhancing global semantic recognition accuracy in news nodes and recognizing network structural characteristics.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143826602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance-based active learning (PbAL) for imbalanced data with nonparametric logistic regression 基于性能的非参数逻辑回归非平衡数据主动学习
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-11 DOI: 10.1007/s10489-025-06531-0
Wonjae Lee, Kangwon Seo
{"title":"Performance-based active learning (PbAL) for imbalanced data with nonparametric logistic regression","authors":"Wonjae Lee,&nbsp;Kangwon Seo","doi":"10.1007/s10489-025-06531-0","DOIUrl":"10.1007/s10489-025-06531-0","url":null,"abstract":"<div><p>Real-world data often exhibit asymmetric class distributions, where certain target values have significantly fewer observations compared to the others. This lack of uniform distribution across categories can substantially affect model performance in classification problems. This research introduces the performance-based active learning (PbAL) scheme to address the class imbalance problem considering the nonlinear decision boundary. PbAL is designed to sequentially select the most beneficial samples from an imbalanced data set by directly evaluating a performance metric on a pool of data. While parametric logistic regression offers a fundamental classification model with ease of interpretation, the assumption of linear relationship in the logit function is often questionable. The use of nonparametric logistic regression with smoothing splines allows for a more flexible classification boundary. Experiments with several data sets demonstrate that PbAL often outperforms traditional active learning approaches based on D-optimality and A-optimality. Additionally, the proposed method yields superior results compared to other resampling techniques commonly used for imbalanced classification problems even with a smaller sample size. These findings suggest that PbAL effectively mitigates bias caused by training on imbalanced classes, which can severely impact model’s ability to accurately predict class labels for new observations.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trajectory optimization of train cooperative energy-saving operation using a safe deep reinforcement learning approach 利用安全深度强化学习方法优化列车协同节能运行的轨迹
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-11 DOI: 10.1007/s10489-025-06542-x
Wenguang Niu, Yonghua Zhou, Xiangmeng Jiao, Hamido Fujita, Hanan Aljuaid
{"title":"Trajectory optimization of train cooperative energy-saving operation using a safe deep reinforcement learning approach","authors":"Wenguang Niu,&nbsp;Yonghua Zhou,&nbsp;Xiangmeng Jiao,&nbsp;Hamido Fujita,&nbsp;Hanan Aljuaid","doi":"10.1007/s10489-025-06542-x","DOIUrl":"10.1007/s10489-025-06542-x","url":null,"abstract":"<div><p>Energy-efficient optimization of train speed profiles can effectively reduce the traction energy consumption of urban rail transit systems. Existing reinforcement learning (RL) optimization models for optimizing train operation profiles do not proactively handle the utilization constraints of regenerative braking energy (RBE). For this reason, this paper proposes an optimization model of train energy-saving profiles under multi-train cooperative operations. A novel safe deep reinforcement learning algorithm, guided by heuristic rules, is developed to optimize energy-saving train driving strategies in various scenarios. To ensure safety during the agent’s learning processes, a two-layer protection mechanism with soft constraint and truncation penalties is employed. Dynamic energy constraints are also introduced to enable the RBE utilization between trains. The simulation experiments using a real metro line data show that the proposed model and algorithm not only generate safe and energy-efficient profiles that meet metro operational constraints but also maximize the RBE utilization between trains, significantly reducing traction energy consumption.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intelligent fault diagnosis method based on data generation and long-patch vision transformer under small samples 小样本下基于数据生成和长片视觉变压器的智能故障诊断方法
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-11 DOI: 10.1007/s10489-025-06535-w
Jian Cen, Weiwei Si, Xi Liu, Bichuang Zhao, Hankun Huang, Junfu Liu
{"title":"Intelligent fault diagnosis method based on data generation and long-patch vision transformer under small samples","authors":"Jian Cen,&nbsp;Weiwei Si,&nbsp;Xi Liu,&nbsp;Bichuang Zhao,&nbsp;Hankun Huang,&nbsp;Junfu Liu","doi":"10.1007/s10489-025-06535-w","DOIUrl":"10.1007/s10489-025-06535-w","url":null,"abstract":"<div><p>Rotating machinery is an important part of modern industry, and bearings are one of the most important things. However, bearing fault data are difficult to collect, and bearing fault diagnosis under small samples has significant research potential. In this paper, we proposed a fault diagnosis framework that combines diffusion modeling and improved Vision Transformer. First, the short-time Fourier transform is applied to the original one-dimensional vibration signals to convert the data into time-frequency maps. Second, the conditional diffusion model was applied to generate the required samples and expand the dataset. Finally, the Long-patch Vision Transformer (LVT) proposed in this paper is used to classify the mixed samples. LVT designs a long-patch division method for time-frequency maps with dense transverse features. The LVT contains denser features in each patch, and this method is more suitable for time-frequency maps. Validating the method proposed in this paper on two datasets and comparing it with other methods, our method achieved the highest accuracy among the compared methods.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TRSD: tensor spatial reconstruction and spectral metric decision fusion for hyperspectral anomaly detection with noise 含噪声高光谱异常检测的张量空间重构与光谱度量决策融合
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-10 DOI: 10.1007/s10489-025-06504-3
Zhenhua Mu, Yihan Wang, Xianghai Wang
{"title":"TRSD: tensor spatial reconstruction and spectral metric decision fusion for hyperspectral anomaly detection with noise","authors":"Zhenhua Mu,&nbsp;Yihan Wang,&nbsp;Xianghai Wang","doi":"10.1007/s10489-025-06504-3","DOIUrl":"10.1007/s10489-025-06504-3","url":null,"abstract":"<div><p>The unique and detailed spectral information in hyperspectral images (HSI) provides an advantage for distinguishing different targets in anomaly detection (AD). However, most traditional HSI-AD methods primarily focus on the inherent spectral structure information, often overlooking the strong spatial-spectral synergy present in HSI. An increase in spectral resolution typically leads to a decrease in the number of photons received per channel, which increases the likelihood of correlated noise during image formation. To address these issues and significantly improve detection performance, a method called Tensor Space Reconstruction and Spectral Local Correlation Metric Decision Fusion (TRSD) is proposed for HSI-AD in the presence of noise. First, three-dimensional principal component (PC) extraction, based on information entropy, is performed to obtain a denoised purified image for reconstruction. The initial feature detection image is generated by calculating the purified image using the local Mahalanobis distance. To compensate for the loss of spectral information caused by PC analysis in the spectral dimension during Tucker reconstruction, the feature map is extracted using the local spectral correlation metric. Finally, the two detection feature images are adaptively fused to generate the final AD image, which highlights anomaly targets and improves detection accuracy.The proposed algorithm is experimentally validated through comparisons with current typical AD algorithms, using real HSIs captured in four different complex noise-added scenarios. The effectiveness of the algorithm is demonstrated through experiments. The source code for TRSD will be made publicly available at https://github.com/muzhenhuam/TRSD.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143809162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Diagnosis test selection for distributed systems under communication and privacy constraints 通信和隐私约束下分布式系统的诊断测试选择
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-10 DOI: 10.1007/s10489-025-06543-w
Anna Sztyber-Betley, Elodie Chanthery, Louise Travé-Massuyès, Gustavo Pérez-Zuñiga
{"title":"Diagnosis test selection for distributed systems under communication and privacy constraints","authors":"Anna Sztyber-Betley,&nbsp;Elodie Chanthery,&nbsp;Louise Travé-Massuyès,&nbsp;Gustavo Pérez-Zuñiga","doi":"10.1007/s10489-025-06543-w","DOIUrl":"10.1007/s10489-025-06543-w","url":null,"abstract":"<div><p>Distribution is often necessary for large-scale systems because it makes monitoring and diagnosis more manageable from both computational and communication costs perspectives. Decomposing the system into subsystems may also be required to satisfy geographic, functional, or privacy constraints. The selection of diagnosis tests guaranteeing some level of diagnosability must adhere to this decomposition by remaining as local as possible in terms of the required sensor variables. This helps minimize communication costs. In practical terms, this means that the number of interconnections between subsystems should be minimized while keeping diagnosability, i.e., fault isolation capability, at its maximum. This paper differentiates itself from existing literature by leveraging flexibility in forming the subsystems. Through structural analysis and graph partitioning, we address the combined challenges of constrained decomposition of a large-scale system into subsystems and the selection of diagnosis tests that achieve maximal diagnosability with minimal subsystem interconnection. The proposed solution is implemented through an iterative algorithm, which is proven to converge. Its efficiency is demonstrated using a case study in the domain of water networks.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143809173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Power-GNN: a graph over-sampling method to mitigate power-law distribution in graph neural networks Power-GNN:一种缓解图神经网络中幂律分布的图过采样方法
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-10 DOI: 10.1007/s10489-025-06421-5
Peidong Li, Zhenghong Zhong, Yangguang Zhao, Changheng Shao, Yi Sui, Rencheng Sun
{"title":"Power-GNN: a graph over-sampling method to mitigate power-law distribution in graph neural networks","authors":"Peidong Li,&nbsp;Zhenghong Zhong,&nbsp;Yangguang Zhao,&nbsp;Changheng Shao,&nbsp;Yi Sui,&nbsp;Rencheng Sun","doi":"10.1007/s10489-025-06421-5","DOIUrl":"10.1007/s10489-025-06421-5","url":null,"abstract":"<div><p>Since the advent of Graph Neural Networks (GNNs), they have been widely applied in the analysis and processing of graph data, especially demonstrating outstanding performance in semi-supervised node classification tasks. However, the class distribution in real-world graph data often exhibits a long-tail, imbalanced distribution, posing significant challenges to the classification performance of GNNs. Graph over-sampling methods address this by synthesizing new nodes for minority classes and creating corresponding edges, thus aiming to balance class representation and enhance model accuracy. Nonetheless, the degree distribution of nodes in reality also follows a power-law distribution, leading to synthesized nodes becoming low-degree tail nodes under existing edge construction strategies. This restricts their ability to acquire sufficient aggregation information, thereby degrading their representation quality and impacting classification outcomes. To address these challenges, this paper introduces Power-GNN, a novel graph data over-sampling framework tailored to tackle the dual challenges of imbalanced class distribution and the power-law distribution of node degrees. Power-GNN innovatively utilizes the power-law distribution of node degrees in a reverse manner. It strategically adds edges with high similarity to nodes with fewer connections, thereby amplifying the aggregation capability of synthesized nodes and boosting overall model performance. Through evaluations on multiple public benchmark datasets, Power-GNN has demonstrated superior performance over existing baselines across three common GNN architectures.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143809240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DF(^2)Net: deformable fourier filter network for hyperspectral image classification DF (^2) Net:用于高光谱图像分类的可变形傅立叶滤波网络
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-10 DOI: 10.1007/s10489-025-06493-3
Chengcheng Zhong, Kai Zhang, Zitong Zhang, Yanan Jiang, Chunlei Zhang
{"title":"DF(^2)Net: deformable fourier filter network for hyperspectral image classification","authors":"Chengcheng Zhong,&nbsp;Kai Zhang,&nbsp;Zitong Zhang,&nbsp;Yanan Jiang,&nbsp;Chunlei Zhang","doi":"10.1007/s10489-025-06493-3","DOIUrl":"10.1007/s10489-025-06493-3","url":null,"abstract":"<div><p>MLP-like architectures in hyperspectral image (HSI) classification flourish recently. However, these methods face challenges such as insufficient spectral-spatial feature extraction capability and excessive consumption of network computing resources. To address these problems, a deformable Fourier filter network (DF<span>(^{varvec{2}})</span>Net) is proposed as an innovative lightweight MLP framework for HSI classification. DF<span>(^{varvec{2}})</span>Net employs Fourier transform filters and spatial deformable operations to efficiently capture spectral-spatial features while maintaining a lightweight design. Specifically, two modules in DF<span>(^{varvec{2}})</span>Net are developed to extract and facilitate the deep integration of spectral-spatial features, namely the spectral discrete Fourier transform filter (SeDFT) module and the spatial deformable discrete Fourier transform filter (SaD<span>(^{varvec{2}})</span>FT) module. The SeDFT module employs a one-dimensional discrete Fourier transform filter (1D<span>(^{varvec{2}})</span>FT) to extract spectral features in the frequency domain, effectively capturing detailed information from the original spectrum. Additionally, the parameter-free design of the SeDFT module streamlines the feature processing pipeline and improves computational efficiency. The SaD<span>(^{varvec{2}})</span>FT module performs a two-dimensional deformable discrete Fourier transform (2D<span>(^{varvec{3}})</span>FT) filter, enabling low-parameter feature extraction by transforming spatial features into frequency domain representations. Moreover, the spatial deformable operation enhances the capacity of the network to perceive spatial structural variations by introducing learnable offsets. Experimental results on four public HSI datasets demonstrate that DF<span>(^{varvec{2}})</span>Net consistently achieves superior performance in lightweight classification. Compared to other state-of-the-art models, DF<span>(^{varvec{2}})</span>Net significantly reduces both the number of parameters and computational resource requirements while preserving high performance.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143809161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An innovative deep learning-driven technique for restoration of lost high-density surface electromyography signals 一种创新的深度学习驱动技术,用于恢复丢失的高密度表面肌电信号
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-09 DOI: 10.1007/s10489-025-06471-9
Juzheng Mao, Honghan Li, Yongkun Zhao
{"title":"An innovative deep learning-driven technique for restoration of lost high-density surface electromyography signals","authors":"Juzheng Mao,&nbsp;Honghan Li,&nbsp;Yongkun Zhao","doi":"10.1007/s10489-025-06471-9","DOIUrl":"10.1007/s10489-025-06471-9","url":null,"abstract":"<div><p>High-density surface electromyography (HD-sEMG) plays a crucial role in medical diagnostics, prosthetic control, and human-machine interactions. Compared to traditional bipolar sEMG, HD-sEMG employs smaller electrode spacing and sizes. This configuration not only reduces the signal collection area but also increases sensitivity to individual variations in skin impedance. Additionally, smaller high-density electrodes are more susceptible to environmental electromagnetic interference, thereby increasing the risk of signal loss and limiting the further development and application of HD-sEMG technology. To address this issue, this study introduces a novel deep learning-based technique specifically designed to restore lost HD-sEMG signals. Through an improved novel convolutional neural network (CNN), our method can reconstruct HD-sEMG signals both efficiently and accurately. Experimental results demonstrate that the proposed CNN algorithm effectively reconstructs lost HD-sEMG signals with high fidelity. The average root mean square error (RMSE) across all participants was 0.108, the mean absolute error (MAE) was 0.070, and the coefficient of determination (<span>(R^2)</span>) was 0.98. Furthermore, the model achieved an average structural similarity index measure (SSIM) of 0.96 and a peak signal-to-noise ratio (PSNR) of 29.13 dB, indicating high levels of structural similarity and signal clarity in the reconstructed data. These findings highlight the robustness and effectiveness of our method, suggesting its potential for enhancing the reliability and utility of HD-sEMG signals in real applications.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10489-025-06471-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Toward imperceptible and robust image watermarking against screen-shooting with dense blocks and CBAM 基于密集块和CBAM的防截屏图像水印研究
IF 3.4 2区 计算机科学
Applied Intelligence Pub Date : 2025-04-09 DOI: 10.1007/s10489-025-06496-0
Jiamin Wang, Xiaobing Kang, Wei Li, Jing Geng, Yalin Miao, Yajun Chen
{"title":"Toward imperceptible and robust image watermarking against screen-shooting with dense blocks and CBAM","authors":"Jiamin Wang,&nbsp;Xiaobing Kang,&nbsp;Wei Li,&nbsp;Jing Geng,&nbsp;Yalin Miao,&nbsp;Yajun Chen","doi":"10.1007/s10489-025-06496-0","DOIUrl":"10.1007/s10489-025-06496-0","url":null,"abstract":"<div><p>In cross-media information communication, it is essential to embed watermarks imperceptibly while also robustly resisting screen- shooting attacks. However, existing robust watermarking methods often struggle to achieve both objectives simultaneously. Therefore, this paper proposes a novel end-to-end screen-shooting resistant image watermarking method based on dense blocks and the convolutional block attention module (CBAM) attention mechanism. In the watermark embedding phase, an encoder that integrates dense connections and CBAM is employed. This approach effectively extracts features from the cover image, enhancing the visual quality of watermarked images while ensuring a certain level of robustness. The noise layer simulated by differentiable function not only contains moiré patterns, illumination, and perspective distortions—factors that significantly impact the screen-shooting process—but also encompasses Gaussian noise, which is commonly present. During the watermark extraction phase, a gradient mask is utilized to guide the encoder in generating watermarked images that facilitate more effective decoding, thereby enabling accurate extraction of the watermark. Ultimately, the robustness is improved by the encoder, the introduced noise layer, and the decoder through joint training. Experimental results demonstrate that the proposed method not only achieves excellent visual quality, with a PSNR value of 36.04 dB for the watermarked images, but also maintains a watermark extraction rate exceeding 95% under various shooting conditions (including different distances, angles, and devices). Notably, the extraction rate reaches 100% at shooting distances of 20 cm and 30 cm, showcasing strong robustness.</p></div>","PeriodicalId":8041,"journal":{"name":"Applied Intelligence","volume":"55 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143809137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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