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2022 3rd International Conference on Information Science, Parallel and Distributed Systems (ISPDS)最新文献

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Parallel Optimization of Super Pixel Algorithm SLIC 超级像素算法SLIC的并行优化
Xiaoqi Luo, Yuanjie Xing, Senhai Xu
Super pixel algorithm SLIC uses K-means mean clustering method to effectively generate super pixels. Compared with other super pixel algorithms, it is more efficient and improves the segmentation performance. In order to further improve its performance, the program is optimized from five major directions: compilation optimization, data structure optimization, loop vectorization, OpenMP parallel optimization and algorithm optimization.
超级像素算法SLIC采用K-means均值聚类方法有效生成超级像素。与其他超像素算法相比,该算法效率更高,提高了分割性能。为了进一步提高程序的性能,从编译优化、数据结构优化、循环向量化、OpenMP并行优化和算法优化五个主要方向对程序进行了优化。
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引用次数: 1
Swin Transformer with Local Aggregation 具有本地聚合的Swin变压器
Lu Chen, Yang Bai, Q. Cheng, Mei Wu
Despite the many advantages of Convolutional Neural Networks (CNN), their perceptual fields are usually small and not conducive to capturing global features. In contrast, Transformer is able to capture long-range dependencies and obtain global information of an image with self-attention. For combining the advantages of CNN and Transformer, we propose to integrate the Local Aggregation module to the structure of Swin Transformer. The Local Aggregation module includes lightweight Depthwise Convolution and Pointwise Convolution, and it can locally capture the information of feature map at stages of Swin Transformer. Our experiments demonstrate that accuracy can be improved with such an integrated model. On the Cifar-10 dataset, the Top-1 accuracy reaches 87.74%, which is 3.32% higher than Swin, and the Top-5 accuracy reaches 99.54%; on the Mini-ImageNet dataset, the Top-1 accuracy reaches 79.1%, which is 7.68% higher than Swin, and the Top-5 accuracy reaches 94.02%, which is 3.25% higher than Swin 3.25%.
尽管卷积神经网络(CNN)有许多优点,但其感知场通常很小,不利于捕获全局特征。相反,Transformer能够捕获远程依赖关系,并获得具有自关注的图像的全局信息。为了结合CNN和Transformer的优点,我们提出将Local Aggregation模块集成到Swin Transformer的结构中。局部聚合模块包括轻量级的深度卷积和点卷积,可以局部捕获Swin Transformer各阶段的特征图信息。我们的实验表明,这种集成模型可以提高精度。在Cifar-10数据集上,Top-1准确率达到87.74%,比Swin高3.32%,Top-5准确率达到99.54%;在Mini-ImageNet数据集上,Top-1准确率达到79.1%,比Swin高7.68%;Top-5准确率达到94.02%,比Swin的3.25%高3.25%。
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引用次数: 2
Fusion of Infrared and Visible Images Based on Improved Generative Adversarial Networks 基于改进生成对抗网络的红外与可见光图像融合
Shengchen Wang, Xisheng Li, Wenyu Huo, Jia You
In order to improve the fusion quality of infrared and visible light images, enhance the visual effect of fused images, and solve the problems that traditional fusion methods need to manually set fusion rules and the background details of fused images are poorly preserved, this paper proposes an improved generative adversarial network that combines multi-scale information. The generator used in this method is a typical encoder and decoder structure, and the discriminator uses a dual discriminator to establish the confrontation relationship between the infrared source image, the visible light source image and the fusion image respectively. Before the source image is input to the encoder, multi-scale information is introduced through the Inception network, which effectively extracts the multi-scale features of the image, which ensures the subsequent improvement of the quality of the fusion image. In addition, the loss function is improved to retain more background details and highlight infrared feature information. The control experiment results show that the method in this paper obtains better fusion effect in subjective and objective evaluation.
为了提高红外与可见光图像的融合质量,增强融合图像的视觉效果,解决传统融合方法需要手动设置融合规则以及融合图像背景细节保存较差的问题,本文提出了一种多尺度信息结合的改进生成对抗网络。该方法使用的发生器是典型的编码器和解码器结构,鉴别器采用双鉴别器分别建立红外源图像、可见光源图像和融合图像的对抗关系。在将源图像输入到编码器之前,通过Inception网络引入多尺度信息,有效地提取了图像的多尺度特征,保证了后续融合图像质量的提升。此外,改进了损失函数,保留了更多的背景细节,突出了红外特征信息。控制实验结果表明,本文方法在主客观评价方面取得了较好的融合效果。
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引用次数: 0
An evaluation method of municipal pipeline cleaning effect based on image processing 基于图像处理的市政管道清洗效果评价方法
Qingtong Yang, Yuanxun Fan
In view of the shortcomings of pipeline cleaning robot in the domestic market. A new pipeline cleaning robot is designed. The design idea is to combine high-pressure water jet cleaning equipment with the main body of the robot, equipped with underwater camera and image processing system. A cleaning effect evaluation method based on image processing, using python language is designed and applied to the robot. After a series of image pre-processing, including defogging, image enhancement, image segmentation, image binarization, etc. of the collected images, black-and-white images are obtained which clearly distinguish the scale and the pipe wall. The cleaning effect is evaluated according to the proportion of black pixels and white pixels. The test results show that this method can effectively process the original fogged image to distinguish the scale and pipe wall in the image. This method provides a basis for the evaluation of the operation effect of the pipe cleaning robot.
针对国内市场管道清扫机器人存在的不足。设计了一种新型管道清扫机器人。设计思路是将高压水射流清洗设备与机器人主体相结合,配备水下摄像头和图像处理系统。利用python语言设计了一种基于图像处理的清洗效果评价方法,并将其应用到机器人中。对采集到的图像进行除雾、图像增强、图像分割、图像二值化等一系列图像预处理,得到清晰区分尺度和管壁的黑白图像。根据黑像素和白像素的比例来评价清洗效果。实验结果表明,该方法能有效地对原始雾化图像进行处理,区分图像中的水垢和管壁。该方法为评价管道清扫机器人的作业效果提供了依据。
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引用次数: 0
Yolov5-based defect detection for wafer surface micropipe 基于yolov5的晶圆表面微管缺陷检测
Ning Zhou, Zhengxin Liu, Jianxin Zhou
Micropipe defects on the surface of silicon carbide wafers can have a significant impact on the quality of the wafers. Therefore, it is necessary to identify and locate them during the production process. Due to micropipe defects being small and dense, which are difficult to detect completely, we propose a real-time defect detection network model based on the Yolov5. The model adds a detection branch in the neck and head block of Yolov5 to obtain high-resolution features. To get the spatial and channel attention, we apply a CBAM attention module in each neck branch, and DA attention module in each head branch. The experiments show that our model improves AP by 1.89% and increases precision and recall by 10.12% and 2.95%, respectively, compared with the Yolov5 model. The results show that our model has a better ability to detect small and dense defects.
碳化硅晶圆表面的微管缺陷会对晶圆质量产生重大影响。因此,有必要在生产过程中对其进行识别和定位。针对微管缺陷体积小、密度大,难以完全检测的特点,提出了一种基于Yolov5的实时缺陷检测网络模型。该模型在Yolov5的颈部和头部块中增加了检测分支,以获得高分辨率特征。为了获得空间和通道注意,我们在每个颈部分支上应用了CBAM注意模块,在每个头部分支上应用了DA注意模块。实验表明,与Yolov5模型相比,该模型的AP提高了1.89%,查准率和查全率分别提高了10.12%和2.95%。结果表明,该模型具有较好的检测小缺陷和密集缺陷的能力。
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引用次数: 0
Research on the layout of shared electric vehicle charging stations based on AHP-MOP method 基于AHP-MOP方法的共享电动汽车充电站布局研究
Guofang Zhang, Zihe Zhou, Hanlin Shao
At present, the main problems in the layout of shared electric vehicle sites are: many sites have problems in site selection, which has affected the profitability of operators, and some sites have poor site selection, which makes it difficult to make profits due to the small number of users. However, in some areas with high demands, sites have not been established yet, resulting in missed business opportunities. In order to deeply study the location method of shared electric vehicles, an innovative “AHP-MOP method” was created. This method uses the analytic hierarchy process to establish a set of site evaluation system, then carries out preliminary optimization based on the maximum coverage model, then carries out secondary optimization based on the multi-objective optimization model to obtain the final optimization results. The famous “car capital” Wuhan Zhuankou is selected as the main example location. Based on the above theoretical research, the rationality of the “AHP-MOP method” is further verified. Finally, 9 shared electric vehicle stations are successfully selected in Zhuankou. The results are scientific, reasonable and in line with the reality.
目前,共享电动车站点布局中存在的主要问题是:很多站点在选址上存在问题,影响了运营商的盈利能力;还有一些站点选址不佳,用户数量少,难以盈利。然而,在一些高需求的地区,还没有建立站点,导致错过了商机。为了深入研究共享电动车的定位方法,创新性地提出了一种“AHP-MOP方法”。该方法采用层次分析法建立一套场地评价体系,然后基于最大覆盖模型进行初步优化,再基于多目标优化模型进行二次优化,得到最终的优化结果。选择著名的“汽车之都”武汉颛口作为主要示例地点。在上述理论研究的基础上,进一步验证了“AHP-MOP方法”的合理性。最终,在颛口成功选定了9个共享电动车充电站。研究结果科学合理,符合实际。
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引用次数: 0
Rock Image Contrast Enhancement Method Based on Improved De-sharpening Mask 基于改进去锐化蒙版的岩石图像对比度增强方法
Meizheng Ge, Qiong Liu
In engineering applications, traditional methods are usually used to acquire microscopic images, and due to objective factors such as uneven acquisition equipment and uneven illumination, there may be problems such as unclear acquisition images and insufficient local exposure. Traditional de-sharpening mask image enhancement algorithms are suitable for enhancing the edges and details of microscopic images, but are extremely sensitive to noise and do not enhance contrast and detail at the same time. In this paper, an improved sharpening masking algorithm is proposed, which sharpens the edges of rock images in the brightness channel of HSV color space, uses the difference between the non-local mean filter image and the original image to achieve high-frequency components, adaptively enhances the high-frequency components, improves the problem of image light unevenness through the contrast enhancement algorithm, and superimposes it with high-frequency components to effectively enhance the image. Experimental results show that the image processed by the algorithm has outstanding details and clear textures, which better suppresses the amplification of noise.
在工程应用中,通常采用传统方法获取微观图像,由于采集设备不均匀、光照不均匀等客观因素,可能存在采集图像不清晰、局部曝光不足等问题。传统的去锐化掩膜图像增强算法适用于增强微观图像的边缘和细节,但对噪声极为敏感,不能同时增强对比度和细节。本文提出了一种改进的锐化掩蔽算法,在HSV色彩空间亮度通道对岩石图像边缘进行锐化,利用非局部均值滤波图像与原始图像的差异实现高频分量,自适应增强高频分量,通过对比度增强算法改善图像光照不均匀问题。并将其与高频分量叠加,有效增强图像。实验结果表明,该算法处理后的图像细节突出,纹理清晰,较好地抑制了噪声的放大。
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引用次数: 0
Wheat straw target detection algorithm based on improved YOLOv5 基于改进YOLOv5的麦秸目标检测算法
Pengfei Li, Heng Wang, Xueyu Huang
In agricultural production, the growth and yield of crops have always attracted people's attention. For the detection of wheat planting density, a wheat straw detection model based on improved YOLOv5 is proposed in this paper. Firstly, at the end of the backbone network, the C3 module (C3TR) integrated with Transformer is used to replace the traditional C3 module, so that the model can extract more feature information about wheat straw in the feature extraction stage; Secondly, after the improved C3 module is embedded the location attention module (Coordinate Attention, CA), by capturing the long-distance dependence on the space and the channel, makes the model more focused on the feature extraction of the target area, and further strengthens the feature extraction ability of the backbone network; Finally, for the traditional frame regression loss the function cannot solve the problem of returning gradients when the predicted frame and the real frame intersect. It is proposed to use CIoU instead of the traditional GIoU, and continue to guide the predicted frame while considering the Euclidean distance and aspect ratio of the center point of the predicted frame and the real frame. Moving closer to the ground-truth box, the loss function is further reduced. On the homemade wheat straw dataset, under the same training strategy, the experimental results show that! Compared with the traditional YOLOv5 model, the improved model has a 1.71% increase in mAP, which proves that the improved model is superior to the traditional YOLOv5 model in terms of accuracy, and has a better detection effect on small targets such as wheat straw some practicality.
在农业生产中,农作物的生长和产量一直是人们关注的问题。针对小麦种植密度的检测,本文提出了一种基于改进YOLOv5的麦秸检测模型。首先,在骨干网末端,采用集成Transformer的C3模块(C3TR)取代传统的C3模块,使模型在特征提取阶段能够提取更多的麦秆特征信息;其次,在改进的C3模块内嵌位置注意模块(Coordinate attention, CA)后,通过捕获对空间和信道的远距离依赖,使模型更加专注于目标区域的特征提取,进一步增强了骨干网的特征提取能力;最后,对于传统的帧回归损失,该函数不能解决预测帧与真实帧相交时返回梯度的问题。提出用CIoU代替传统的GIoU,在考虑预测帧与真实帧中心点的欧氏距离和纵横比的情况下,继续对预测帧进行引导。靠近真值盒,损失函数进一步减小。在自制麦秸数据集上,在相同的训练策略下,实验结果表明!与传统的YOLOv5模型相比,改进模型的mAP提高了1.71%,证明改进模型在精度上优于传统的YOLOv5模型,对麦秸等小目标具有较好的检测效果,具有一定的实用性。
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引用次数: 0
Research on Intelligent Quality Inspection of Customer Service Under the “One Network” Operation Mode of Toll Roads 收费公路“一网”运营模式下客户服务智能质检研究
X. Gao, Huijuan Song, Yan Li, Qing Zhao, Wei Li, Yingang Zhang, Lu Chao
The official abolition of 487 toll booths at provincial borders in 2020 marked the formal formation of the world's largest motorway toll collection network, creating a brand-new situation of “one network operation and integrated services” for motorways. It also put forward new requirements and challenges for the user services of the ETC. This paper addresses the problems existing in the voice quality inspection of ETC customer service network, such as “the scope of quality inspection is not wide” and “the efficiency of quality inspection is not high”. Based on AI technology, the logic of speech recognition, role recognition, semantic recognition and emotion recognition is established, and the intelligent quality inspection model is constructed. The operation data shows that these efforts effectively improve the quality of service efficiency and service quality and lay a foundation for steady and quality development of ETC user service.
2020年,487个省际收费站正式取消,标志着世界上最大的高速公路收费网络正式形成,开创了高速公路“一网运营、一体化服务”的全新局面。这也对ETC的用户服务提出了新的要求和挑战。本文针对ETC客服网络语音质检中存在的“质检范围不广”、“质检效率不高”等问题进行了研究。基于人工智能技术,建立了语音识别、角色识别、语义识别和情感识别的逻辑,构建了智能质检模型。运行数据表明,这些努力有效地提高了服务效率和服务质量,为ETC用户服务的稳定、高质量发展奠定了基础。
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引用次数: 0
An adaptive black box attack algorithm based on improved differential evolution 一种基于改进差分进化的自适应黑盒攻击算法
Ran Zhang, Yifan Wang, Yifeng Yin
As an important part of artificial intelligence technology, deep learning is widely used in various fields of contemporary society. The security of deep learning directly affects the effectiveness of its application in different fields. Effective attack algorithms can evaluate the security of deep learning models, and black box attacks are one of the important methods for testing the security of deep learning algorithms. An adaptive black box attack algorithm based on improved differential evolution is proposed to solve the problems of many queries, difficult selection of attack points that may cause higher attack costs in applications. The algorithm sets the variation factor as a linear decreasing function, uses the fitness function to adaptively control the change of the cross probability factor to improve the global search ability and accelerate the convergence rate, proposes a new variation strategy to enhance the ability of global search and local exploitation and the accuracy of searching attack points, and optimizes the loss function and the calculation method of gradient for defining decisions in deep learning models to improve the effectiveness and efficiency of black box attacks. The results of the comparison experiments show that the attack success rate is effectively improved and the average time and the average number of queries are reduced with the same attack success rate.
作为人工智能技术的重要组成部分,深度学习被广泛应用于当代社会的各个领域。深度学习的安全性直接影响其在不同领域应用的有效性。有效的攻击算法可以评估深度学习模型的安全性,黑盒攻击是测试深度学习算法安全性的重要方法之一。针对应用中查询数多、攻击点选择困难、攻击代价高的问题,提出了一种基于改进差分进化的自适应黑盒攻击算法。该算法将变异因子设置为线性递减函数,利用适应度函数自适应控制交叉概率因子的变化,提高了全局搜索能力,加快了收敛速度,提出了一种新的变异策略,增强了全局搜索和局部利用的能力,提高了攻击点搜索的准确性。优化了深度学习模型中定义决策的损失函数和梯度计算方法,提高了黑盒攻击的有效性和效率。对比实验结果表明,在相同的攻击成功率下,有效地提高了攻击成功率,减少了平均查询时间和平均查询次数。
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引用次数: 0
期刊
2022 3rd International Conference on Information Science, Parallel and Distributed Systems (ISPDS)
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