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2020 4th Annual International Conference on Data Science and Business Analytics (ICDSBA)最新文献

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Compliant Transport Vehicles Verification Fraud Detection of Based on Rule Inference 基于规则推理的合规运输车辆验证欺诈检测
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00045
Xinlei Wei, Ying-Ji Liu, Haiying Xia, Xuan Dong, Shuquan Xu, Wei Zhou, Hong Jia, Guoliang Dong
This phenomenon can be described as an intentional act of lying on the compliant vehicle verification with the intent to obtain an illegal operation certificate of transport. These false data will bring safety problems in the management of transport vehicles. Regrettably, the fraud behaviors of compliant vehicle verification are too hidden to come to light, therefore access to labeled historical information is extremely limited. For this reason, the applicability of supervised machine learning techniques for compliant vehicle verification fraud detection is severely hindered. Such limitations motivate the contribution of this work. We present a novel approach for the detection of potential fraudulent compliant transport vehicle verification using only rule inference techniques and allowing the future use of supervised learning techniques. We demonstrate the ability of our model to identify potential fraudulent verification vehicles on compliant transport vehicle verification data, reducing the number of potential fraudulent verification vehicles. The obtained results demonstrate that our model doesn’t miss on real compliant transport vehicles verification data, increasing the operational efficiency in the compliant transport vehicles verification process without needing historic labeled data.
这种现象可以描述为一种故意在合规车辆核查上撒谎的行为,其目的是获取非法运输经营证书。这些虚假数据会给运输车辆的管理带来安全问题。令人遗憾的是,合规车辆验证的欺诈行为太过隐蔽而无法曝光,因此对标记历史信息的访问极为有限。因此,监督机器学习技术在合规车辆验证欺诈检测中的适用性受到严重阻碍。这些限制促使了这项工作的贡献。我们提出了一种新的方法来检测潜在的欺诈性合规运输车辆验证,仅使用规则推理技术,并允许未来使用监督学习技术。我们展示了我们的模型在合规运输车辆验证数据上识别潜在欺诈性验证车辆的能力,从而减少了潜在欺诈性验证车辆的数量。结果表明,该模型不会遗漏真实的合规运输车辆验证数据,提高了合规运输车辆验证过程中的操作效率,而不需要历史标记数据。
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引用次数: 0
Shared Transport in a Digitalized World: A Case Study of Shared Bicycles through Data Mining and Visualization 数字化世界中的共享交通:基于数据挖掘和可视化的共享单车案例研究
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00040
Xiang Xu, Shan Liu, Lipeng Luo, Yuanqing Luo, Xin Liu
The shared economy is emerging dramatically in recent years including shared bicycles (Mobike/Ofo), shared accommodation (Airbnb/Xiaozhu), ridesharing (Uber and DiDi), and shared office space (Wework). Both criticisms and praises appeared to this situation. In this paper, we employ a Hadoop platform and survey to collect data of shared bikes in Chengdu, China, and then to perform data mining and cleansing, and further utilize data visualization to visualize and analyze the data. Experiments and results demonstrate the high distribution of shared bicycles in high density population area and the distribution changes between working hours and non-working hours. The individual tracking of a randomly selected bicycle indicates that the usage efficiency of shared bicycles could be improve by well management.
近年来,包括共享单车(摩拜/Ofo)、共享住宿(爱彼迎/小猪)、拼车(优步和滴滴)以及共享办公空间(Wework)在内的共享经济正在迅速兴起。在这种情况下,既有批评,也有赞扬。在本文中,我们使用Hadoop平台和调查来收集中国成都的共享单车数据,然后进行数据挖掘和清洗,并进一步利用数据可视化对数据进行可视化和分析。实验和结果表明,在人口密集地区,共享单车的分布较高,并且在工作时间和非工作时间之间的分布变化。随机选取一辆单车的个体跟踪表明,管理好共享单车的使用效率是可以提高的。
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引用次数: 1
Non-Linear Factor Recovery for Visual-Inertial SLAM 视觉惯性SLAM的非线性因子恢复
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00067
Liming Zhao, Dazhou Long, Yi Zhang, Xiaolin Hu, Bin Xing
This paper proposes to use nonlinear factors to recover odometry information and use it in the optimization of global consistent map construction. In the front-end, the pixel matching is carried out by the direct method assisted with IMU information. Then the reprojection error and IMU error are minimized to obtain the initial pose estimation of robot. In the back-end, we use a fix-size optimization window to optimize mapping. When new frames are added, we marginalize the old state. We use a set of nonlinear factors to approximate the marginal distribution, and combine it with loop-closing constraints to construct a globally consistent map. Finally, the performance of the system is verified on the open dataset EuRoC, and conduct experiments in a real environment. The results show that the method improves the accuracy and robustness of mapping.
本文提出利用非线性因子恢复测程信息,并将其用于全局一致性地图构建的优化。在前端,利用IMU信息辅助的直接法进行像素匹配。然后最小化重投影误差和IMU误差,得到机器人的初始姿态估计。在后端,我们使用一个固定大小的优化窗口来优化映射。当添加新帧时,我们将旧状态边缘化。我们使用一组非线性因子来近似边缘分布,并将其与闭环约束相结合来构造一个全局一致的映射。最后,在开放数据集EuRoC上验证了系统的性能,并在真实环境中进行了实验。结果表明,该方法提高了映射的精度和鲁棒性。
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引用次数: 0
A Novel Alignment Algorithm for 3D Models 一种新的三维模型对齐算法
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00023
Yalan Li, Min Yao, Jianquan Huang, Xiaoqin Zhang, Ruhua Lu
It is essential to align different 3d models from different scale, posture and translation to a uniform coordinate system in many 3d applications. Traditional alignment algorithm iterative optimizes the scale, posture and translation parameters from random initial values which is usually time consumed especially dealing with huge 3d point cloud data. To solve this problem, a novel alignment algorithm is proposed, which mainly consists of two step. At the first step, the scale, posture and translation are quickly adjust by re-projecting and least square solving. At the second step, the scale, posture and translation parameters are fine tuned by iterative optimization. The experiments show that the alignment algorithm is efficient and accurate.
在许多3d应用中,将不同的3d模型从不同的比例、姿态和平移到一个统一的坐标系统是必不可少的。传统的对齐算法是用随机初始值对尺度、姿态、平移等参数进行迭代优化,尤其在处理巨大的三维点云数据时,往往耗费大量时间。为了解决这一问题,提出了一种新的对齐算法,该算法主要分为两个步骤。第一步,通过重新投影和最小二乘求解快速调整尺度、姿态和平移;第二步,通过迭代优化对尺度、姿态、平移参数进行微调。实验结果表明,该对准算法是高效、准确的。
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引用次数: 0
Analysis the Problems of Deep Poverty Villages and Explore Some Solutions 深度贫困村问题分析与对策探讨
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00043
Yuting Yang, Houliang Kang
The "Thirteenth Five-Year Plan" Period is the Time Node for Building a Well-off Society in China. Ensuring that the poor population and poor counties in China can be lifted out and solve regional poverty by 2020 are the key to building a well-off society. Therefore, taking the Yizidian village as an ex-ample, we analyzed the causes of poverty and the work that has been completed. By comparing the exit criteria of poor households, we have identified the problems still existing in the current poverty alleviation process in Yizidian, and given some specific and effective solutions. It will give some strength to the fight against poverty and build a well-off society.
“十三五”时期是中国全面建设小康社会的时间节点。确保到2020年中国贫困人口和贫困县全部脱贫,解决区域性贫困问题,是全面建成小康社会的关键。因此,我们以一子店村为例,分析了贫困产生的原因和已经完成的工作。通过对贫困户退出标准的比较,我们发现了目前义子店扶贫过程中还存在的问题,并给出了一些具体有效的解决方案。这将为脱贫攻坚和全面建设小康社会提供一定的力量。
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引用次数: 0
Research on SQL Injection Vulnerabilities and Its Detection Methods SQL注入漏洞及其检测方法研究
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00071
Tao Zhang, Xi Guo
SQL injection is a typical kind of Web vulnerability, and it is also the most common method used by attackers to attack databases. Attackers usually detect and use this vulnerability to access the back-end database of target website, and illegally obtain confidential information in the database through a series of injection methods, thereby causing unpredictable damage and loss. This paper studies the attack principle, detection technologies and preventive measures of SQL injection, and proposes an approach and a tool named SQLIiscan. The tool is tested by detecting a popular project WAVSEP1.5 which includes many test cases of different vulnerabilities, and the test results show that it can detect SQL injection cases efficiently and accurately.
SQL注入是一种典型的Web漏洞,也是攻击者攻击数据库最常用的方法。攻击者通常检测并利用该漏洞访问目标网站的后端数据库,通过一系列注入方法非法获取数据库中的机密信息,从而造成不可预测的破坏和损失。本文研究了SQL注入的攻击原理、检测技术和防范措施,提出了一种SQL注入的攻击方法和工具SQLIiscan。测试结果表明,该工具能够高效、准确地检测出SQL注入用例。
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引用次数: 2
An Image Stitching Algorithm Based on SIFT and DAISY Descriptor 基于SIFT和DAISY描述符的图像拼接算法
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00077
Yalan Li, Jianquan Huang, Fuming Deng, Ruhua Lu, Min Yao
Correspondences matching is essential to image stitching and greatly influences the stitching quality as the homography matrix is calculated from the correspondences. Mismatching would be generated by using SIFT alone when dealing images with repeat similar structures. To improve the matching accuracy, SIFT and DAISY are combined to extract and match feature points. Then the homography matrix is computed by least square, RANSAC and bundle adjust methods. Experiments show that the matching accuracy is improved and the stitching results are well and robust.
对应匹配是图像拼接的关键,对图像的拼接质量影响很大。在处理具有重复相似结构的图像时,单独使用SIFT会产生不匹配。为了提高匹配精度,采用SIFT和DAISY相结合的方法提取和匹配特征点。然后采用最小二乘、RANSAC和束调整方法计算单应性矩阵。实验表明,该方法提高了匹配精度,拼接效果良好,鲁棒性好。
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引用次数: 1
Lesion Segmentation Method Based on Deep Learning CT Image of Pulmonary Tuberculosis 基于深度学习的肺结核CT图像病灶分割方法
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00089
Rongjian Wei, Jianfei Shao, Rong Pu, Xiaowei Zhang, Changli Hu
Tuberculosis is a major public health problem that is the leading cause of death worldwide. Early detection and diagnosis is the key to the treatment of tuberculosis. Computed tomography (CT) can provide more comprehensive tuberculosis lesion information and improve the accuracy of diagnosis. However, due to the characteristics of polymorphism, multiple parts, multiple nodules and cavities of pulmonary tuberculosis, segmentation has become an important and difficult problem in computer-aided diagnosis.Deep learning is widely used in medical image segmentation tasks. This paper proposes to use U-Net and attention mechanism to form Attention U-Net network model for feature extraction and segmentation of labeled CT images of tuberculosis, to achieve unlabeled tuberculosis CT image data Perform lesion segmentation and lesion labeling.
结核病是一个重大的公共卫生问题,是全世界死亡的主要原因。早期发现和诊断是治疗结核病的关键。计算机断层扫描(CT)可以提供更全面的结核病变信息,提高诊断的准确性。然而,由于肺结核具有多形性、多部位性、多结节性、多腔性等特点,分割已成为计算机辅助诊断中的一个重要而困难的问题。深度学习被广泛应用于医学图像分割任务中。本文提出利用U-Net和注意力机制,形成注意力U-Net网络模型,对标记结核CT图像进行特征提取和分割,实现未标记结核CT图像数据进行病灶分割和病灶标记。
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引用次数: 1
A Path Planning Algorithm Based on Improved RRT for Lunar Subsurface Autonomous Burrowing Robot 基于改进RRT的月球地下自主挖洞机器人路径规划算法
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00039
Yangyi Liu, Yangping Li, Ke Wang, Z. Qiao, Zihao Yuan, Xihan Li, Lu Zhang, Haifeng Zhao
The detection with autonomous burrowing robot might be a low-cost and high-efficient solution for a future lunar subsurface exploration mission. The path planning of underground locomotive robot in a three-dimensional (3-D) domain is a very challenging task under the circumstance of lunar subsurface segregated by lunar rocks. In this work, a pruning-improved RRT algorithm was proposed to generate robotic paths in a 3-D geological model: a confined cubic zone with distributed obstacles. This digital terrain model may be constructed based on the mapping technology of Lunar Penetrating Radar (LPR). Here, a numerical simulation scheme was adapted for a simplicity. The effects of iteration scheme of path finding and distribution of geological structures were discussed. Then, Bezier parametric curve was utilized to enhanced the smoothness of robotic trajectory. After a comprehensive study, the proposed algorithm was proven to outperform the original RRT method in both effectiveness and convergence.
自主挖洞机器人的探测可能是未来月球地下探测任务中一种低成本、高效率的解决方案。在月球下表面被月球岩石隔离的情况下,地下机车机器人在三维域的路径规划是一项非常具有挑战性的任务。在这项工作中,提出了一种修剪改进的RRT算法来生成三维地质模型中的机器人路径:一个具有分布障碍物的受限立方体区域。该数字地形模型可基于探月雷达(LPR)成图技术构建。为简便起见,本文采用数值模拟方案。讨论了迭代方案对寻径和地质构造分布的影响。然后利用Bezier参数曲线增强机器人轨迹的平滑度;经过综合研究,证明该算法在有效性和收敛性方面都优于原RRT方法。
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引用次数: 0
Correlation Filter for Object Tracking Method Based on Multi-Template Update 基于多模板更新的关联滤波目标跟踪方法
Pub Date : 2020-09-01 DOI: 10.1109/ICDSBA51020.2020.00086
Guangjie Fu, Li Yu
Aimed at the current tracking algorithm such as object occlusion, severe deformation, motion blur and background confusion, a tracking method based on multiple template updates is proposed to improve the robustness of the algorithm. First, a response graph quality evaluation index is proposed to evaluate the reliability of the tracking result of the current frame. When the tracking result is unreliable, the model update is stopped immediately, and the tracker can find the object again when the object reappears. However, the indicator will always remain within a reliable range when the object is continuously blocked. At this time, if you stop the update tracking of the model, it will drift due to lack of information. In order to solve the above problems, the algorithm in this chapter adopts a multi-template tracking strategy—adding several additional filters to track the object. The proposed algorithm is compared with several recent state-of-the-art tracking algorithms on OTB100 benchmark datasets (online object tracking benchmark). Especially, the pro-posed algorithm greatly improves its basic algorithm in AUC and Precision on some complex environments of partial occlusion, severe deformation, motion blur, background clutter and illumination variation, which has a better tracking performance.
针对当前跟踪算法存在的目标遮挡、严重变形、运动模糊和背景混淆等问题,提出了一种基于多模板更新的跟踪方法,提高了算法的鲁棒性。首先,提出响应图质量评价指标来评价当前帧跟踪结果的可靠性;当跟踪结果不可靠时,立即停止模型更新,当目标再次出现时,跟踪器可以重新找到目标。然而,当对象持续阻塞时,指示器将始终保持在可靠范围内。此时,如果停止对模型的更新跟踪,则会由于缺乏信息而产生漂移。为了解决上述问题,本章的算法采用了多模板跟踪策略——增加多个额外的滤波器来跟踪目标。在OTB100基准数据集(在线目标跟踪基准)上,将该算法与几种最新的跟踪算法进行了比较。特别是在部分遮挡、严重变形、运动模糊、背景杂波和光照变化等复杂环境下,该算法在AUC和精度上大大提高了基本算法,具有更好的跟踪性能。
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引用次数: 0
期刊
2020 4th Annual International Conference on Data Science and Business Analytics (ICDSBA)
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