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Trans-CycleGAN: Image-to-Image Style Transfer with Transformer-based Unsupervised GAN Trans-CycleGAN:基于变压器的无监督GAN的图像到图像风格转换
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9824311
Shiwen Li
The field of computer image generation is developing rapidly, and more and more personalized image-to-image style transfer software is produced. Image translation can convert two different styles of data to generate realistic pictures, which can not only meet the individual needs of users, but also meet the problem of insufficient data for a certain style of pictures. Transformers not only have always occupied an important position in the NLP field. In recent years, due to its model interpretability and strong multimodal fusion ability, it has also performed well in the field of computer vision. This paper studies the application of Transformers in the field of image-to-image style transfer. Replace the traditional CNN structure with the improved Transformer of the discriminator and generator model of CycleGAN, and a comparative experiment is carried out with the traditional CycleGAN. The test dataset uses the public datasets Maps and CelebA, and the results are comparable to those of the traditional CycleGAN. This paper shows that Transformer can perform the task of image-to-image style transfer on unsupervised GAN, which expands the application of Transformer in the CV filed, and can be used as a general architecture applied to more vision tasks in the future.
计算机图像生成领域发展迅速,越来越多的个性化图像到图像风格转换软件应运而生。图像翻译可以将两种不同风格的数据进行转换,生成逼真的图片,既可以满足用户的个性化需求,又可以满足某一风格图片数据不足的问题。变压器不仅一直在自然语言处理领域占据着重要的地位。近年来,由于其模型可解释性和较强的多模态融合能力,在计算机视觉领域也有不错的表现。本文研究了transformer在图像到图像风格转换领域的应用。用CycleGAN鉴别器和发生器模型的改进变压器取代传统的CNN结构,并与传统的CycleGAN进行了对比实验。测试数据集使用公共数据集Maps和CelebA,结果与传统的CycleGAN相当。本文表明,Transformer可以在无监督GAN上完成图像到图像的风格转换任务,扩展了Transformer在CV领域的应用,可以作为一种通用架构应用于未来更多的视觉任务。
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引用次数: 1
Analysis of nonlinear deformation relationship between steel-plastic grid and membrane structure based on Abaqus software 基于Abaqus软件的钢塑网格与膜结构非线性变形关系分析
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9824844
Yuanyuan Tian, Hongyue You, Zhongying Li, Haixiang Nie, Xiang Ren
In this paper, Abaqus finite element software is used to calculate the nonlinear deformation value of steel-plastic grid and building membrane structure under the action of uniform load, which lays the foundation for similar engineering applications and software calculation in the future. The specific conclusions are as follows: 1) With the continuous increase of the uniform load, the displacement change of the steel-plastic grid is always greater than the displacement change of the building membrane structure, and the nonlinear change curve trends of the two are consistent. 2) Both showed that the deformation value of the center point range showed a nonlinear growth trend with the increase of the load. 3) With the continuous increase of the applied uniformly distributed load, the rate of deformation increase is also significantly increased.
本文采用Abaqus有限元软件计算了均布荷载作用下钢塑网架和建筑膜结构的非线性变形值,为今后类似工程应用和软件计算奠定了基础。具体结论如下:1)随着均布荷载的不断增大,钢塑网架的位移变化始终大于建筑膜结构的位移变化,且两者的非线性变化曲线趋势一致。2)两者均表明,中心点范围的变形值随荷载的增加呈非线性增长趋势。3)随着均布荷载的不断增大,变形增幅也显著增大。
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引用次数: 0
CSNet-PGNet: Algorithm for Scene Text Detection and Recognition 场景文本检测与识别算法
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9824815
Guanjing Li
In recent years, the detection and recognition of scene text have developed rapidly, but two difficult challenges have not been well solved. First, semantic analysis based on convolutional neural networks and powerful ImageNet pre-training incur high computational costs. Second, scene text detection with irregular shapes and irregular word order is inaccurate. Aiming at the above problems, this paper proposes a novel and lightweight network module (CSNet-PGNet) for real-time reading of a text of arbitrary shape and orientation. CSNet (Cross-Stage Cross-Scale network) is an extremely lightweight overall cross-stage and cross-scale network, which abandons the cumbersome CNN skeleton network (semantic classification) and can be trained from scratch. PGNet (Point Gathering Network) is a text detection recognizer that can detect and recognize the text of any shape, without the operation of Non-maximum Suppression (NMS) and Region of Interest (RoI), and has the advantages of end-to-end simplicity and efficiency. performance. This paper proposes the CSNet-PGNet scene curve text detection and recognition method, which is a development to more efficient and precise scene text detection of any shapes.
近年来,场景文本的检测与识别发展迅速,但两个难题还没有得到很好的解决。首先,基于卷积神经网络的语义分析和强大的ImageNet预训练会带来很高的计算成本。其次,不规则形状和不规则词序的场景文本检测不准确。针对上述问题,本文提出了一种新颖的轻量级网络模块(CSNet-PGNet),用于实时读取任意形状和方向的文本。CSNet (Cross-Stage Cross-Scale network)是一个非常轻量级的整体跨阶段跨尺度网络,抛弃了繁琐的CNN骨架网络(语义分类),可以从头开始训练。PGNet (Point Gathering Network)是一种文本检测识别器,可以检测和识别任何形状的文本,不需要非最大抑制(NMS)和感兴趣区域(RoI)的操作,具有端到端简单和高效的优点。表演本文提出了CSNet-PGNet场景曲线文本检测与识别方法,是对任意形状的场景文本进行更高效、更精确检测的一种发展。
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引用次数: 1
A low-cost and simple on-chip cell counting device based on lensless imaging technology 一种基于无透镜成像技术的低成本、简单的片上细胞计数装置
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9825217
Yongliang Wang, Xiaoliang Guo
Cell counting is a basic and important detection technique in biomedical diagnosis. However, current cell counting devices are expensive and bulky, which are not conducive to rapid cell counting. To solve this problem, we design a low-cost and simple on-chip cell counting device based on lensless imaging technology. The device uses an ordinary white LED light and a CMOS image sensor to capture the cell image in the microfluidic chip, and uses a microcomputer - Raspberry Pi 4B for image transmission and processing. Then a self-developed processing program is designed to count the cells. In addition, the device can perform micron-scale particle imaging, which can identify microbeads of different sizes. Compared with other lensless imaging devices, our device has obvious advantages in low cost, scalability, and degree of automation, which can improve the efficiency of biological experiments, and is of great significance for expanding the population of healthcare services in the future.
细胞计数是生物医学诊断中一项基本而重要的检测技术。然而,目前的细胞计数设备价格昂贵,体积庞大,不利于快速计数。为了解决这一问题,我们设计了一种基于无透镜成像技术的低成本、简单的片上细胞计数装置。该装置采用普通白光LED灯和CMOS图像传感器采集微流控芯片中的细胞图像,并使用微型计算机树莓派4B进行图像传输和处理。然后设计一个自行开发的处理程序对细胞进行计数。此外,该设备还可以进行微米级的颗粒成像,可以识别不同大小的微珠。与其他无透镜成像设备相比,我们的设备在低成本、可扩展性、自动化程度等方面具有明显的优势,可以提高生物实验的效率,对未来扩大医疗服务人群具有重要意义。
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引用次数: 0
Pointer Network Solution Pool : Combining Pointer Networks and Heuristics to Solve TSP Problems 指针网络解池:结合指针网络和启发式算法求解TSP问题
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9824787
Chen Shi
This paper use pointer networks to improve the quality of initial solutions generation to solve slow convergence problems and the tendency to fall into local optimal solutions when solving path planning problems by the heuristic algorithm. The results show that the convergence speed and the optimisation outcome of the optimised algorithm are improved and can be effectively used to improve the application of heuristic algorithms such as VNS to the travelling salesman problem.
针对启发式算法求解路径规划问题时收敛速度慢和容易陷入局部最优解的问题,本文采用指针网络来提高初始解生成的质量。结果表明,优化算法的收敛速度和优化结果都得到了提高,可以有效地用于改进启发式算法(如VNS)在旅行商问题中的应用。
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引用次数: 2
A Novel Graph-Based Structural Dissimilarity Measure for Video Summarization 一种基于图的视频摘要结构不相似度度量方法
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9824208
Caixia Ma, Lei Lyu, Chen Lyu
Effective detection of shot boundaries is important for video summarization methods based on shot boundary detection. However, various gradual shot boundaries (such as, fade in, fade out, dissolve) pose a great challenge to shot boundary detection. Previous work constructs graph models based on feature histograms from images and analyzes the structural changes of graphs, thus improving the detection of gradual shots. In this paper, we develop a new quantization method to calculate the structural change of the graph so as to more accurately locate the gradual shot boundaries. Statistical analysis methods are performed to analyze the data to be detected with past data to achieve real-time shot boundary detection. Experimental results on the VSUMM dataset show that our method outperforms some state-of-the-art methods on the F-Score.
镜头边界的有效检测是基于镜头边界检测的视频摘要方法的重要组成部分。然而,各种渐变的镜头边界(如淡入、淡出、溶解)给镜头边界检测带来了很大的挑战。以前的工作是基于图像的特征直方图构建图模型,分析图的结构变化,从而提高对渐变镜头的检测。本文提出了一种新的量化方法来计算图的结构变化,从而更准确地定位渐变射击边界。采用统计分析方法,将待检测数据与以往数据进行分析,实现实时镜头边界检测。在VSUMM数据集上的实验结果表明,我们的方法在F-Score上优于一些最先进的方法。
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引用次数: 0
Strawberry Disease and Pest Identification and Control Based on SE-ResNeXt50 Model 基于SE-ResNeXt50模型的草莓病虫害鉴定与防治
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9825283
G. Gan, Xu Xiao, Chuntao Jiang, Yingxi Ye, Yuhao He, Yushen Xu, Chunhai Luo
Strawberry disease and pest identification and control were rarely studied, with few high-quality open image datasets to date. In view of this situation, firstly, the images of common strawberry pests and diseases of 13 categories were collected both online and offline independently to be constructed into datasets. Secondly, the SE-ResNeXt50 model was created, which had better usability than the residual network model ResNet50. To be specific, the Inception was combined with the ResNet50 model to widen the network, 32 branches were set, and the attention mechanism, the squeeze and excitation module (SE), was also imported, which solved the problems of the complex image background and information interference and improved the identification efficiency and accuracy of the model. The results showed that the accuracy of the SE-ResNeXt50 model, reaching 89.3%, was 8% higher than that of the ResNet50 model. The SEResNeXt50 model had plateaued after iterating 15 times, indicating its good identification performance. Besides, the SEResNeXt50 model, which was developed based on the data obtained in real life, had good generalization ability and robustness, better meeting the demands of strawberry growers. A WeChat mini-program for strawberry disease and pest identification based on the SE-ResNeXt50 model was developed, enabling the fruit growers to identify the strawberry pests and diseases easily and get prevention suggestions, promoting the development of the strawberry industry.
草莓病虫害的鉴定和防治研究很少,迄今为止几乎没有高质量的开放图像数据集。针对这种情况,首先,对草莓常见病虫害的13类图像进行线上和线下独立采集,构建数据集。其次,建立了SE-ResNeXt50模型,该模型比剩余网络模型ResNet50具有更好的可用性。具体而言,将Inception与ResNet50模型相结合,扩大网络,设置32个分支,并引入注意机制——挤压激励模块(SE),解决了复杂的图像背景和信息干扰问题,提高了模型的识别效率和准确性。结果表明,SE-ResNeXt50模型的准确率达到89.3%,比ResNet50模型提高了8%。SEResNeXt50模型迭代15次后趋于平稳,表明其识别性能良好。此外,SEResNeXt50模型是基于实际生活中获得的数据开发的,具有良好的泛化能力和鲁棒性,更能满足草莓种植者的需求。基于SE-ResNeXt50模型开发了草莓病虫害识别微信小程序,使果农能够轻松识别草莓病虫害并获得防治建议,促进了草莓产业的发展。
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引用次数: 1
EEG data augmentation for Personal Identification Using SF-GAN 基于SF-GAN的个人识别EEG数据增强
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9824276
Shuai Zhang, Xiuqing Mao, Lei Sun, Yu Yang
Because EEG-based identity requires a large amount of training data when training a classification model, and the collection of EEG signals requires a lot of time and effort. Therefore, we hope to perform data augmentation on the EEG data used for identity. Generative adversarial networks have achieved great success in image generation, but the raw EEG signals are not in the form of images. Therefore, we process the EEG signal into an EEG topomap with stronger spatial feature representation, and use a spatial feature-based generative adversarial network image augmentation method (SF-GAN). To verify the generality of our proposed method, we use real EEG topomap samples processed from two different EEG datasets, BCI Competition IV 1 and BCI Competition IV 2a, to train SF-GAN to generate augmented samples for training identity classification model. The proposed method can use smaller real samples to expand the training set of identity, reduce the data dependence on real samples, and reduce the time of data collection to a certain extent. And it is proved by experiments that the data generated by this method can further improve the training effect of the classification model.
因为基于脑电信号的识别在训练分类模型时需要大量的训练数据,而脑电信号的采集需要耗费大量的时间和精力。因此,我们希望对用于身份识别的EEG数据进行数据增强。生成对抗网络在图像生成方面取得了很大的成功,但是原始的脑电信号并不是图像的形式。因此,我们将脑电信号处理成具有更强空间特征表示的脑电信号地形图,并采用基于空间特征的生成式对抗网络图像增强方法(SF-GAN)。为了验证所提方法的泛化性,我们使用两个不同脑电数据集(BCI Competition IV 1和BCI Competition IV 2a)处理的真实脑电地形图样本来训练SF-GAN,生成增强样本用于训练身份分类模型。所提出的方法可以使用较小的真实样本来扩展身份的训练集,减少数据对真实样本的依赖,并在一定程度上减少数据收集的时间。并且通过实验证明,该方法生成的数据可以进一步提高分类模型的训练效果。
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引用次数: 1
Research on Multi-scale Network Computer Modeling based on Mobile Vendor Management 基于移动厂商管理的多尺度网络计算机建模研究
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9824717
Yufan Yang, Xingchen Dong, Yingjun Li, Huaiyang Zhang
Harsh working environment and living conditions lead workers to become hawkers, and to manage the vendor economy, a significant number of Street Vendor Economic Governance Models have appeared. These models have a particular influence on the operational benefit of the vendor economy. This paper studies the influence of multi-scale network technology regulation mechanisms and incentive mechanisms on the stallholder economy. A model based on the OFRTB network is proposed. The model accurately simulates the transaction process in a multi-scale network flow by adding a new state of supervision node. Finally, we discuss and analyze each state’s transition process and probability in the OFRTB model through experimental simulation. This study is helpful to improve the management of mobile vendors further and improve the efficiency of government services.
恶劣的工作环境和生活条件导致工人成为小贩,为了管理小贩经济,出现了大量的街头小贩经济治理模式。这些模型对供应商经济的运营效益有特殊的影响。本文研究了多尺度网络技术调控机制和激励机制对摊贩经济的影响。提出了一种基于OFRTB网络的模型。该模型通过增加新的状态监督节点,准确地模拟了多尺度网络流中的交易过程。最后,通过实验仿真,讨论和分析了OFRTB模型中各个状态的转移过程和概率。本研究有助于进一步完善移动供应商管理,提高政府服务效率。
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引用次数: 0
Research on Binary Program Dynamic Slicing Technology for Cause Analysis of Vulnerability 面向漏洞原因分析的二进制程序动态切片技术研究
Pub Date : 2022-05-20 DOI: 10.1109/cvidliccea56201.2022.9825448
Peiyu Lu, Chao Feng, Chaojing Tang
In cause analysis of vulnerability, multi-level dereference of pointer and array element index analysis are often encountered at the code level, which is reflected in the case of indirect addressing at the assembly level. At present, the program slicing technology commonly used for cause analysis of vulnerability can not completely analyze the data flow and control flow of indirect addressing. In order to solve this problem, this paper proposes a binary program dynamic slicing technology for cause analysis of vulnerability. This technology uses the information related to the reading and writing of registers and memory addresses in the program execution trace to find the relationship of the data flow and control flow between the two instructions, which can more completely retain the information related to the instructions to be sliced, improve the automation component in cause analysis of vulnerability and reduce the cost of manual analysis. In addition, using the static characteristics of execution trace, this paper can meet the needs of researchers for repeated debugging and analysis of a program execution at different time points in the process of program execution.
在漏洞原因分析中,经常会遇到代码级指针的多级解引用和数组元素索引分析,这体现在汇编级间接寻址的情况下。目前,通常用于漏洞原因分析的程序切片技术还不能完整地分析间接寻址的数据流和控制流。为了解决这一问题,本文提出了一种二进制程序动态切片技术,用于漏洞原因分析。该技术利用程序执行轨迹中与寄存器和内存地址读写相关的信息来查找两个指令之间的数据流和控制流的关系,可以更完整地保留待切片指令的相关信息,提高了漏洞原因分析的自动化程度,降低了人工分析的成本。此外,本文利用执行轨迹的静态特性,可以满足研究人员对程序执行过程中不同时间点的程序执行情况进行反复调试和分析的需要。
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引用次数: 0
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