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学者姓名：黄庆明
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摘要 ：
本发明涉及一种面向食品安全的多模态人机交互方法和系统、电子设备及存储介质。该方法包括：获取用于生成多模态食品安全知识图谱的相关多模态数据源；针对所述多模态数据源，利用文档处理方法、图像识别工具以及知识抽取工具抽取多模态数据的信息，获得多模态食品安全知识；基于所述食品安全知识，生成所述多模态食品安全知识图谱；以及构建多模态人机交互系统，并基于所述多模态食品安全知识图谱实现对多模态数据的人机交互。本发明将现有的多模态食品安全数据整理并生成食品安全知识图谱，实现针对多模态数据的人机交互，能够更好的展示食品安全信息，从而替代食品安全领域专家的知识，实现食品安全领域的智能化。
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| GB/T 7714 | 吕龙龙 , 张永恒 , 庞俊彪 et al. 面向食品安全的多模态人机交互方法和系统、设备及介质 : CN202110969283.0[P]. | 2021-08-23 . |
| MLA | 吕龙龙 et al. "面向食品安全的多模态人机交互方法和系统、设备及介质" : CN202110969283.0. | 2021-08-23 . |
| APA | 吕龙龙 , 张永恒 , 庞俊彪 , 黄庆明 , 尹宝才 . 面向食品安全的多模态人机交互方法和系统、设备及介质 : CN202110969283.0. | 2021-08-23 . |
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摘要 ：
本发明实施例提供一种路面裂缝检测方法、装置、电子设备及介质；该方法包括采集道路的路面图像；对所述路面图像进行预处理，得到分辨率梯度变化的多个输入图像；将所述多个输入图像输入预先训练的路面裂缝检测模型，得到计算结果；其中，所述路面裂缝检测模型是基于样本路面图像和所述样本路面图像的裂缝标记数据训练得到的，所述路面裂缝检测模型包括多个阶段，每个阶段间进行多次多尺度融合；根据所述路面裂缝检测模型的计算结果，输出检测结果。本发明实施例通过输入分辨率梯度变化的多个输入图像，使用具有多尺度融合结构的路面裂缝检测模型，实现了对复杂情况下的路面裂缝检测，减弱了噪声影响，提高了检测精度。
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| GB/T 7714 | 曾君 , 庞俊彪 , 李培育 et al. 路面裂缝检测方法、装置、电子设备及存储介质 : CN202011454642.0[P]. | 2020-12-10 . |
| MLA | 曾君 et al. "路面裂缝检测方法、装置、电子设备及存储介质" : CN202011454642.0. | 2020-12-10 . |
| APA | 曾君 , 庞俊彪 , 李培育 , 段立娟 , 黄庆明 . 路面裂缝检测方法、装置、电子设备及存储介质 : CN202011454642.0. | 2020-12-10 . |
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摘要 ：
本发明提供一种城市交通动态知识图谱的构建方法及装置，方法包括：根据城市交通站点的地点节点以及地点节点属性特征，确定地点节点关系模型；根据预设采样周期获取的地点节点、地点节点属性特征以及地点节点关系模型，构建城市交通动态知识图谱；其中，地点节点属性特征包括：地点节点兴趣点属性特征、地点节点社会事件属性特征、地点节点路链交通属性特征以及地点节点交通属性特征。所述装置用于执行上述方法。本发明提供的城市交通动态知识图谱的构建方法及装置，通过构建城市交通动态知识图谱，能够提高知识图谱的动态特征，更准确的对交通变化进行预测，提高城市交通服务。
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| GB/T 7714 | 庞俊彪 , 王哲焜 , 吕龙龙 et al. 城市交通动态知识图谱的构建方法及装置 : CN202011364436.0[P]. | 2020-11-27 . |
| MLA | 庞俊彪 et al. "城市交通动态知识图谱的构建方法及装置" : CN202011364436.0. | 2020-11-27 . |
| APA | 庞俊彪 , 王哲焜 , 吕龙龙 , 黄庆明 , 尹宝才 . 城市交通动态知识图谱的构建方法及装置 : CN202011364436.0. | 2020-11-27 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Organizing webpages into hot topics is one of the key steps to understand the trends from multi-modal web data. To handle this pressing problem, Poisson Deconvolution (PD), a state-of-the-art method, recently is proposed to rank the interestingness of web topics on a similarity graph. Nevertheless, in terms of scalability, PD optimized by expectation-maximization is not sufficiently efficient for a large-scale data set. In this paper, we develop a Stochastic Poisson Deconvolution (SPD) to deal with the large-scale web data sets. Experiments demonstrate the efficacy of the proposed approach in comparison with the state-of-the-art methods on two public data sets and one large-scale synthetic data set. © 2019, Springer Nature Switzerland AG.
关键词 ：
Maximum principle Maximum principle Stochastic systems Stochastic systems
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| GB/T 7714 | Lin, Jinzhong , Pang, Junbiao , Su, Li et al. Accelerating Topic Detection on Web for a Large-Scale Data Set via Stochastic Poisson Deconvolution [C] . 2019 : 590-602 . |
| MLA | Lin, Jinzhong et al. "Accelerating Topic Detection on Web for a Large-Scale Data Set via Stochastic Poisson Deconvolution" . (2019) : 590-602 . |
| APA | Lin, Jinzhong , Pang, Junbiao , Su, Li , Liu, Yugui , Huang, Qingming . Accelerating Topic Detection on Web for a Large-Scale Data Set via Stochastic Poisson Deconvolution . (2019) : 590-602 . |
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摘要 ：
Organizing webpages into interesting topics is one of the key steps to understand the trends from multimodal Web data. The sparse, noisy, and less-constrained user-generated content results in inefficient feature representations. These descriptors unavoidably cause that a detected topic still contains a certain number of the false detected webpages, which further make a topic be less coherent, less interpretable, and less useful. In this paper, we address this problem from a viewpoint interpreting a topic by its prototypes, and present a two-step approach to achieve this goal. Following the detection-by-ranking approach, a sparse Poisson deconvolution is proposed to learn the intratopic similarities between webpages. To find the prototypes, leveraging the intratopic similarities, top-k diverse yet representative prototype webpages are identified from a submodularity function. Experimental results not only show the improved accuracies for the Web topic detection task, but also increase the interpretation of a topic by its prototypes on two public datasets.
关键词 ：
Poisson deconvolution Poisson deconvolution sparsity sparsity Web topic detection Web topic detection submodularity submodularity prototype learning (PL) prototype learning (PL) topic interpretation topic interpretation
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| GB/T 7714 | Pang, Junbiao , Hu, Anjing , Huang, Qingming et al. Increasing Interpretation of Web Topic Detection via Prototype Learning From Sparse Poisson Deconvolution [J]. | IEEE TRANSACTIONS ON CYBERNETICS , 2019 , 49 (3) : 1072-1083 . |
| MLA | Pang, Junbiao et al. "Increasing Interpretation of Web Topic Detection via Prototype Learning From Sparse Poisson Deconvolution" . | IEEE TRANSACTIONS ON CYBERNETICS 49 . 3 (2019) : 1072-1083 . |
| APA | Pang, Junbiao , Hu, Anjing , Huang, Qingming , Tian, Qi , Yin, Baocai . Increasing Interpretation of Web Topic Detection via Prototype Learning From Sparse Poisson Deconvolution . | IEEE TRANSACTIONS ON CYBERNETICS , 2019 , 49 (3) , 1072-1083 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Organizing multimodal Web pages into hot topics is the core step to grasp trends on the Web. However, the less-constrained social media generate noisy user-generated content, which makes a detected topic be less coherent and less interpretable. In this paper, we address this problem by proposing a coupled Poisson deconvolution to jointly handle topic detection and topic description. For the topic detection, the interestingness of a topic is estimated from the similarities refined by the description of topics; for the topic description, the interestingness of topics is leveraged to describe topics. Two processes cyclically detect interesting topics and generate the multimodal description of topics. This is the innovation of this paper, which just likes killing two birds with one stone. Experiments not only show the significantly improved accuracies for the topic detection but also demonstrate the interpretable descriptions for the topic description on two public data sets.
关键词 ：
Multimodal description Multimodal description Poisson deconvolution (PD) Poisson deconvolution (PD) topic coherent topic coherent topic description topic description topic detection on Web topic detection on Web
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| GB/T 7714 | Pang, Junbiao , Tao, Fei , Huang, Qingming et al. Two Birds With One Stone: A Coupled Poisson Deconvolution for Detecting and Describing Topics From Multimodal Web Data [J]. | IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS , 2019 , 30 (8) : 2397-2409 . |
| MLA | Pang, Junbiao et al. "Two Birds With One Stone: A Coupled Poisson Deconvolution for Detecting and Describing Topics From Multimodal Web Data" . | IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS 30 . 8 (2019) : 2397-2409 . |
| APA | Pang, Junbiao , Tao, Fei , Huang, Qingming , Tian, Qi , Yin, Baocai . Two Birds With One Stone: A Coupled Poisson Deconvolution for Detecting and Describing Topics From Multimodal Web Data . | IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS , 2019 , 30 (8) , 2397-2409 . |
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摘要 ：
Bus arrival time prediction intends to improve the level of the services provided by transportation agencies. Intuitively, many stochastic factors affect the predictability of the arrival time, e.g., weather and local events. Moreover, the arrival time prediction for a current station is closely correlated with that of multiple passed stations. Motivated by the observations above, this paper proposes to exploit the long-range dependencies among the multiple time steps for bus arrival prediction via recurrent neural network (RNN). Concretely, RNN with long short-term memory block is used to "correct" the prediction for a station by the correlated multiple passed stations. During the correlation among multiple stations, one-hot coding is introduced to fuse heterogeneous information into a unified vector space. Therefore, the proposed framework leverages the dynamic measurements (i.e., historical trajectory data) and the static observations (i.e., statistics of the infrastructure) for bus arrival time prediction. In order to fairly compare with the state-of-the-art methods, to the best of our knowledge, we have released the largest data set for this task. The experimental results demonstrate the superior performances of our approach on this data set.
关键词 ：
multi-step-ahead prediction multi-step-ahead prediction long-range dependencies long-range dependencies recurrent neural network recurrent neural network heterogenous measurement heterogenous measurement Bus arriving time prediction Bus arriving time prediction
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| GB/T 7714 | Pang, Junbiao , Huang, Jing , Du, Yong et al. Learning to Predict Bus Arrival Time From Heterogeneous Measurements via Recurrent Neural Network [J]. | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS , 2019 , 20 (9) : 3283-3293 . |
| MLA | Pang, Junbiao et al. "Learning to Predict Bus Arrival Time From Heterogeneous Measurements via Recurrent Neural Network" . | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS 20 . 9 (2019) : 3283-3293 . |
| APA | Pang, Junbiao , Huang, Jing , Du, Yong , Yu, Haitao , Huang, Qingming , Yin, Baocai . Learning to Predict Bus Arrival Time From Heterogeneous Measurements via Recurrent Neural Network . | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS , 2019 , 20 (9) , 3283-3293 . |
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摘要 ：
本发明实施例提供一种裂缝宽度测量方法及装置，所述方法包括：获取摄像头采集到的裂缝图像，并根据所述摄像头到裂缝表面的距离，以及所述摄像头拍摄所述裂缝图像时的焦距和像素，计算所述裂缝图像上单个像素点的宽度；识别所述裂缝图像的裂缝像素点，在所述裂缝像素点中选择单个裂缝像素点作为测量像素点，以所述测量像素点为中心点，在所述裂缝图像中获取裂缝块；根据预设算法计算得到所述裂缝块的裂缝主轴，获取经过所述测量像素点且垂直于所述裂缝主轴的直线；统计所述直线上的裂缝像素点的个数，通过所述裂缝像素点的个数及所述单个像素点的宽度计算得到裂缝宽度。采用本方法能够得到更高准确率的裂缝宽度计算结果。
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| GB/T 7714 | 庞俊彪 , 耿慧玲 , 段立娟 et al. 裂缝宽度测量方法及装置 : CN201911182766.5[P]. | 2019-11-27 . |
| MLA | 庞俊彪 et al. "裂缝宽度测量方法及装置" : CN201911182766.5. | 2019-11-27 . |
| APA | 庞俊彪 , 耿慧玲 , 段立娟 , 曾君 , 黄庆明 . 裂缝宽度测量方法及装置 : CN201911182766.5. | 2019-11-27 . |
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摘要 ：
As increasing volumes of urban data are being available, new opportunities arise for data-driven analysis that can lead to improvements in the lives of citizens through evidence-based policies. In particular, taxi trip is an important urban sensor that provides unprecedented insights into many aspects of a city, from economic activity, human mobility to land development. However, analyzing these data presents many challenges, e.g., sparse data for fine-grained patterns, and the regularity submerged by seemingly random data. Inspired by above challenges, we focus on Pick-Up (PU)/Drop-Off (DO) points from taxi trips, and propose a fine-grained approach to unveil a set of low spatio-temporal patterns from the regularity-discovered intensity. The proposed method is conceptually simple yet efficient, by leveraging point process to handle sparsity of points, and by decomposing point intensities into the low-rank regularity and the factorized basis patterns, our approach enables domain experts to discover patterns that are previously unattainable for them, from a case study motivated by traffic engineers.
关键词 ：
fine-grained pattern fine-grained pattern low-rank regularity low-rank regularity matrix factorization matrix factorization point process point process Spatio-temporal pattern Spatio-temporal pattern taxis trip taxis trip
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| GB/T 7714 | Pang, Junbiao , Huang, Jing , Yang, Xue et al. Discovering Fine-Grained Spatial Pattern From Taxi Trips: Where Point Process Meets Matrix Decomposition and Factorization [J]. | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS , 2018 , 19 (10) : 3208-3219 . |
| MLA | Pang, Junbiao et al. "Discovering Fine-Grained Spatial Pattern From Taxi Trips: Where Point Process Meets Matrix Decomposition and Factorization" . | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS 19 . 10 (2018) : 3208-3219 . |
| APA | Pang, Junbiao , Huang, Jing , Yang, Xue , Wang, Zuyun , Yu, Haitao , Huang, Qingming et al. Discovering Fine-Grained Spatial Pattern From Taxi Trips: Where Point Process Meets Matrix Decomposition and Factorization . | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS , 2018 , 19 (10) , 3208-3219 . |
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摘要 ：
To quickly grasp what interesting topics are happening on web, it is challenge to discover and describe topics from User-Generated Content (UGC) data. Describing topics by probable keywords and prototype images is an efficient human-machine interaction to help person quickly grasp a topic. However, except for the challenges from web topic detection, mining the multi-media description is a challenge task that the conventional approaches can barely handle: (1) noises from non-informative short texts or images due to less-constrained UGC; and (2) even for these informative images, the gaps between visual concepts and social ones. This paper addresses above challenges from the perspective of background similarity remove, and proposes a two-step approach to mining the multi-media description from noisy data. First, we utilize a devcovolution model to strip the similarities among non-informative words/images during web topic detection. Second, the background-removed similarities are reconstructed to identify the probable keywords and prototype images during topic description. By removing background similarities, we can generate coherent and informative multi-media description for a topic. Experiments show that the proposed method produces a high quality description on two public datasets. (C) 2017 Elsevier B.V. All rights reserved.
关键词 ：
Topic detection Topic detection Poisson deconvolution Poisson deconvolution Multi-modal description Multi-modal description User-Generated Content User-Generated Content Topic description Topic description Background similarity Background similarity
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| GB/T 7714 | Pang, Junbiao , Tao, Fei , Li, Liang et al. A two-step approach to describing web topics via probable keywords and prototype images from background-removed similarities [J]. | NEUROCOMPUTING , 2018 , 275 : 478-487 . |
| MLA | Pang, Junbiao et al. "A two-step approach to describing web topics via probable keywords and prototype images from background-removed similarities" . | NEUROCOMPUTING 275 (2018) : 478-487 . |
| APA | Pang, Junbiao , Tao, Fei , Li, Liang , Huang, Qingming , Yin, Baocai , Tian, Qi . A two-step approach to describing web topics via probable keywords and prototype images from background-removed similarities . | NEUROCOMPUTING , 2018 , 275 , 478-487 . |
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