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2021 International Conference on Computer Engineering and Artificial Intelligence (ICCEAI)最新文献

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Heart sound recognition method of congenital heart disease based on improved cepstrum coefficient features 基于改进倒谱系数特征的先天性心脏病心音识别方法
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00064
L. Zhiming, Miao Sheng
The classification of heart sounds plays an important role in the detection of congenital heart disease. In recent years, the classification of heart sounds has made some progress, but it is mainly based on traditional acoustic features, which may be insufficient for heart sounds and easily influenced by complex and changeable environmental factors. In this paper, aiming at the traditional Mel cepstrum coefficient (MFCC), an improvement of heart sound signal characteristics is proposed, and a new window function expression is proposed in the windowing link of the extraction process. The data source of our 2016 Heart Sound Challenge serves as the data set. Finally, the new MFCC is used for feature learning and classification tasks, and compared with the traditional MFCC. A variety of recognition algorithms show that the average accuracy of the improved MFCC classification and recognition reaches 93.52%.
心音分类在先天性心脏病的诊断中起着重要的作用。近年来,心音的分类取得了一定的进展,但主要是基于传统的声学特征,可能对心音的分类不够充分,容易受到复杂多变的环境因素的影响。本文针对传统的Mel倒谱系数(MFCC),提出了一种改进心音信号特性的方法,并在提取过程的开窗环节提出了一种新的窗函数表达式。我们的2016心音挑战的数据源作为数据集。最后,将该方法用于特征学习和分类任务,并与传统的MFCC进行了比较。多种识别算法表明,改进后的MFCC分类识别平均准确率达到93.52%。
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引用次数: 1
Fall Recognition in Open Scenes 开放场景中的跌倒识别
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00060
Kai Yao, Shanna Zhuang, Yale Zhao, Zhengyou Wang
Falls would cause harm to the fall-prone group, including the elderly, children and the disabled people. Fall behavior recognition is important to protect them from being injured. In order to improve the accurancy of the fall behavior recognition, a two-stream neural network model based on MobileNetV2, a lightweight deep neural network, is proposed in this paper. Experiments are conducted on the following three datasets, UR fall detection dataset, Multiple cameras fall dataset and Le2i fall detection dataset. The performances of the presented model are compared with those of single-stream model, 3D-CNN, and two-stream model combining CNN and optical stream. The effectiveness of the proposed method is indicated.
跌倒会对容易跌倒的人群造成伤害,包括老人、儿童和残疾人。识别跌倒行为对保护他们免受伤害很重要。为了提高跌倒行为识别的准确率,本文提出了一种基于轻量级深度神经网络MobileNetV2的双流神经网络模型。实验在以下三个数据集上进行:UR跌倒检测数据集、Multiple camera跌倒数据集和Le2i跌倒检测数据集。将该模型的性能与单流模型、3D-CNN以及CNN与光流相结合的双流模型进行了比较。验证了该方法的有效性。
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引用次数: 0
Research on gait recognition algorithm based on deep learning 基于深度学习的步态识别算法研究
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00080
Zhang Yujie, Cai Lecai, Zhiming Wu, Kui Cheng, Di Wu, Keyuan Tang
The accuracy of gait recognition method would be affected by the occlusion of clothing object being carried. To overcome the problem, this paper adopted the method based on CNN(Convolutional neural network) and LSTM(Long and short term memory network) to build gait recognition models. Specifically, CNN is used to extract the spatial features of pedestrians in training videos, and the LSTM network is used to extract the temporal and spatial features of gait video sequences. We optimize the LSTM network structure and parameters of the gait recognition models and compare the establish models with the models built in other research. The results show that the models establish in our research perform better that the models in other research.
步态识别方法的准确性会受到衣着物体遮挡的影响。为了克服这一问题,本文采用了基于CNN(卷积神经网络)和LSTM(长短期记忆网络)的方法来构建步态识别模型。其中,利用CNN提取训练视频中行人的空间特征,利用LSTM网络提取步态视频序列的时空特征。对步态识别模型的LSTM网络结构和参数进行了优化,并将所建立的模型与已有研究的模型进行了比较。结果表明,本研究建立的模型比其他研究的模型性能更好。
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引用次数: 0
Generative Difference Image for Blind Image Quality Assessment 基于生成差分图像的盲图像质量评价
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00021
Yunfei Han, Yi Wang, Yupeng Ma
Image quality usually refers to the degree of error of the distorted image relative to the reference image in the human visual perception system. Image quality assessment is to score the image quality objectively. No-reference image quality assessment is limited to distorted image information, which is more challenging in the field of computer vision. In this paper, we proposed an approach based on difference image generation to address this problem. First, by removing the up-sampling layer and batch normalization layer in the Super-Resolution Generative Adversarial Network (SRGAN) to build a difference image generation model, and applying the content loss function to optimize the model. Then, the regression network is constructed based on the convolutional neural network (CNN). The regression network contains 4 convolutional layers and 2 fully connected layers and learns the correlation between the generated difference image and the image quality score to predict the distorted image quality. Finally, comparative experiments were evaluated on three public datasets. Compared with the previous state-of-the-art methods, our method obtains similar results on the LIVE dataset and achieves significant improvement on the TID2013 and CSIQ datasets. The results demonstrate that our proposed approach achieves state-of-the-art image quality prediction.
图像质量通常是指在人的视觉感知系统中,被扭曲的图像相对于参考图像的误差程度。图像质量评价是对图像质量进行客观评分。无参考图像质量评估仅限于失真的图像信息,这在计算机视觉领域更具挑战性。在本文中,我们提出了一种基于差分图像生成的方法来解决这个问题。首先,通过去除超分辨率生成对抗网络(SRGAN)中的上采样层和批处理归一化层,构建差分图像生成模型,并应用内容损失函数对模型进行优化。然后,基于卷积神经网络(CNN)构建回归网络。回归网络包含4个卷积层和2个全连接层,学习生成的差分图像与图像质量评分之间的相关性,预测失真图像质量。最后,在三个公共数据集上对对比实验进行了评价。与以往最先进的方法相比,我们的方法在LIVE数据集上获得了相似的结果,并且在TID2013和CSIQ数据集上取得了显著的改进。结果表明,我们提出的方法实现了最先进的图像质量预测。
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引用次数: 0
Effect of “Yingwei Fang” on Lower Extremity Vascular Lesions in Patients with Different Syndromic Type 2 Diabetes 应胃方对不同证型2型糖尿病患者下肢血管病变的影响
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00096
Li Ruiyu, Li Yue, L. Xing, L. Meng, Zhang Chenyu, L. Qingwen, Hou Jinjie
Objective: To investigate the changes of ankle-brachial index (ABI) and peak velocity of dorsal foot artery in patients with type 2 diabetes mellitus with lower extremity vascular disease treated with Yingweifang. Methods: 36 cases of type 2 diabetes mellitus with lower extremity vascular disease were observed, including 13 cases of Yin deficiency and hot, 9 cases of qi and Yin deficiency and 14 cases of Yin and Yang deficiency. Oral “Yingwei Fang” capsule, 5 capsules per time, 3 times a day, combined with the dialectical TCM dialectical theory of treatment, conventional treatment such as hypoglycemia. Changes in the ankle-brachial index (ABI) and peak flow rate of dorsal foot artery were measured after 150 days of treatment compared with before treatment. RESULTS: After treatment, ABI and peak flow rate of dorsal foot artery in diabetic lower extremity vascular disease patients were changed in different degrees (P < 0.05, P<0.01), and ABI was improved more obviously (P <0.01). Qi and Yin deficiency and Yin and Yang deficiency were also improved (P<0.05). The comparison of desiccation and heat between Qi and Yin deficiency and Yin deficiency after treatment (P<0.05); CONCLUSIONS: Yingwei Fang can significantly improve the ankle-brachial index (ABI) and peak velocity of dorsal foot artery in patients with lower extremity vascular disease of type 2 diabetes mellitus.
目的:探讨颖维方治疗2型糖尿病合并下肢血管病患者踝肱指数(ABI)及足背动脉峰值流速的变化。方法:观察2型糖尿病合并下肢血管病变36例,其中阴虚热证13例,气阴虚证9例,阴阳虚证14例。口服“应胃方”胶囊,每次5粒,每日3次,结合中医辨证论治,常规治疗低血糖等。治疗150 d后与治疗前比较,测定踝肱指数(ankle-brachial index, ABI)和足背动脉血流峰值速率的变化。结果:治疗后糖尿病下肢血管病患者足背动脉ABI、血流峰值速率均有不同程度改变(P < 0.05、P<0.01), ABI改善更为明显(P <0.01)。气阴虚证和阴阳虚证也有改善(P<0.05)。气阴虚证与阴虚证治疗后干热比较(P<0.05);结论:应胃方能显著改善2型糖尿病下肢血管病患者踝肱指数(ABI)和足背动脉峰值流速。
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引用次数: 0
Application research of massive power data prediction based on combinatorial model 基于组合模型的海量电力数据预测应用研究
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00052
Pengcheng Li, Haitao Zhang, Haohan Hu, Wanlong Liu, Li Zhang
Based on the massive data of Shanghai Pudong Electric Power Co., Ltd., this paper studies the load data prediction. Based on the theoretical support of KNN, linear regression and ARIMA algorithm, the local optimal decomposition prediction model was established. In this paper, the million-magnitude load control data are used for model training and experiments. The traditional prediction method is a single day dimension model, while the research method in this paper is time-divided optimal model prediction. For different periods of each day, according to the data characteristics, match and train the best local optimal prediction model for each period. The experimental results show that the accuracy of the local optimal decomposition model is higher than that of the single model, which can fully meet the business needs of the current energy data prediction, and also provide support for the subsequent prediction of other energy data.
本文以上海浦东电力有限公司的海量数据为基础,对负荷数据预测进行了研究。在KNN、线性回归和ARIMA算法的理论支持下,建立了局部最优分解预测模型。本文将百万级负荷控制数据用于模型训练和实验。传统的预测方法是单日维模型,而本文的研究方法是分时最优模型预测。针对每天的不同时段,根据数据特点,匹配并训练每个时段的最优局部最优预测模型。实验结果表明,局部最优分解模型的精度高于单一模型,能够充分满足当前能源数据预测的业务需求,同时也为后续其他能源数据的预测提供支持。
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引用次数: 0
A New Deep Learning Method for Multi-label Facial Expression Recognition based on Local Constraint Features 基于局部约束特征的多标签面部表情识别深度学习新方法
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00048
Wanzhao Li, Peng Zhang, Wei Huang
Human emotions always have been reflected by the facial expression. In recent year, the facial expression recognition has been found that it can be treated as a multi-label task and some databases (such as JAFFE, FER+, RAF-ML.) which include information of multi-label facial expression also have been utilize to address relate issue. Simultaneously, some deep learning methods also be used to solve multi-label facial expression task, such as VGG13 and Deep Bi-Manifold CNN (DBM-CNN). But there are also have many weakness such as the inaccurate recognition of multi-label expressions. To overcome this drawback, a novel Deep learning with local constraint framework, called DL- LC framework, is proposed. The proposed framework will use the MTCNN as an implement to crop the local constraints features which include the infromation of facial expression. And the ResNet18 has been applied as a backbone network to extract the feature from the global and local constraint images, which can get more details of original image after incorporating local constraints in this new framework. The effectiveness of this model has been testified through rigorous experiments in this study. Comprehensive analyses reveal that, this model is outperform the recent state-of-the-art approaches for multi-label facial expression recognition.
人类的情绪一直是通过面部表情来反映的。近年来,人们发现面部表情识别可以作为一个多标签任务来处理,并利用一些包含多标签面部表情信息的数据库(如JAFFE、FER+、RAF-ML等)来解决相关问题。同时,一些深度学习方法也被用于解决多标签面部表情任务,如VGG13和deep Bi-Manifold CNN (DBM-CNN)。但也存在多标签表达式识别不准确等缺点。为了克服这一缺点,提出了一种新的具有局部约束的深度学习框架,即DL- LC框架。该框架将使用MTCNN作为裁剪包含面部表情信息的局部约束特征的工具。采用ResNet18作为骨干网从全局约束和局部约束图像中提取特征,在新框架中加入局部约束后可以获得更多的原始图像细节。本研究通过严谨的实验验证了该模型的有效性。综合分析表明,该模型优于当前最先进的多标签面部表情识别方法。
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引用次数: 2
Automobile airbag defect detection algorithm based on improved Faster RCNN 基于改进Faster RCNN的汽车安全气囊缺陷检测算法
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00056
Linjie Luo, Chengzhi Deng, Zhaoming Wu, Shengqian Wang, Tianyu Ye
The traditional image processing method has a low detection rate for various kinds of automobile airbag surface defects in the production process, which is difficult to meet the actual demand of industrial production. In order to improve the detection rate of automobile airbag surface defects and meet the real-time requirements of industrial detection, this paper proposes an improved Faster RCNN deep learning algorithm. Firstly, the method adopts the E-FPN to enhance the feature extraction ability of the network for multi-scale targets. Then, ROI Align algorithm is introduced instead of ROI Pooling algorithm to improve the detection ability of small targets. Finally, the designed Light Head is used to improve the running speed of the network. The experimental results show that the average precision of the improved Faster RCNN algorithm for automobile airbag defect detection reaches 97.2%, and the detection time is 23.73 milliseconds, which is obviously superior to the original algorithm and has higher detection accuracy and practicability.
传统的图像处理方法对生产过程中各种汽车安全气囊表面缺陷的检出率较低,难以满足工业生产的实际需求。为了提高汽车安全气囊表面缺陷的检出率,满足工业检测的实时性要求,本文提出了一种改进的Faster RCNN深度学习算法。首先,该方法采用E-FPN增强网络对多尺度目标的特征提取能力;然后,引入ROI Align算法代替ROI Pooling算法,提高小目标的检测能力。最后,利用所设计的Light Head来提高网络的运行速度。实验结果表明,改进后的Faster RCNN算法用于汽车安全气囊缺陷检测的平均精度达到97.2%,检测时间为23.73毫秒,明显优于原算法,具有更高的检测精度和实用性。
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引用次数: 0
A Comparative Study on the Individual Stock Price Prediction with the Application of Neural Network Models 神经网络模型在个股价格预测中的应用比较研究
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00046
Wenchao Lu, Wenhang Ge, Rongyu Li, Lin Yang
According to well-stablished results in the literature, the Long Short Term Memory (LSTM) model is one of learning models most widely used in stock price prediction given its characteristic feature. In this paper, we employ a novel neural network, Gated Recurrent Unit (GRU), in performing individual stock price prediction task in Chinese A-share market. As shown by the experiment results, GRU has comparable performance with LSTM and both them outperform the conventional Recurrent Neural Network (RNN) model. Further, regression analysis indicates that there may exist quadratic relationship between prediction accuracy and training data size. Thereby attempts have been made on adding nonlinear time-weight functions to substantially improve the prediction accuracy with the LSTM model.
根据已有的研究结果,长短期记忆(LSTM)模型是股票价格预测中应用最广泛的学习模型之一。本文采用一种新颖的神经网络——门控循环单元(GRU),对中国a股市场的个股价格进行预测。实验结果表明,GRU与LSTM具有相当的性能,两者都优于传统的递归神经网络(RNN)模型。进一步,回归分析表明,预测精度与训练数据量之间可能存在二次关系。因此,尝试加入非线性时间权函数,以大幅度提高LSTM模型的预测精度。
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引用次数: 0
A Novel Framework to Synthesize Arterial Spin Labeling Images using Difference Images 基于差分图像合成动脉自旋标记图像的新框架
Pub Date : 2021-08-01 DOI: 10.1109/ICCEAI52939.2021.00005
Feihong Li, Peng Zhang, Wei Huang
Arterial spin labeling (ASL) images that are capable to quantitatively measure the cerebral blood flow receive increasing research attention in recent dementia diseases diagnosis studies. However, this important and relatively new imaging modality is unfortunately not commonly seen in many well-established image-based dementia datasets, including the ADNI-1/2/3/Go datasets. Hence, synthesizing ASL images to supplement this important modality is valuable. In this study, a new framework based on a cascade of generative adversarial networks (GANs) and difference images generated from a Laplacian pyramid is proposed. This framework is novel as it is the first attempt to incorporate difference images for synthesizing medical images. Experimental results based on a 355-demented patient dataset and ADNI-1 dataset suggest that, this new framework outperforms all state-of-the-arts in ASL image synthesis. Also, synthesized ASL images obtained by this new framework are capable to significantly improve the accuracy of dementia diseases diagnosis performance.
动脉自旋标记(ASL)图像能够定量测量脑血流量,在最近的痴呆症诊断研究中受到越来越多的研究关注。然而,不幸的是,这种重要且相对较新的成像方式在许多完善的基于图像的痴呆症数据集中并不常见,包括ADNI-1/2/3/Go数据集。因此,合成ASL图像来补充这一重要的方式是有价值的。在这项研究中,提出了一个基于级联生成对抗网络(gan)和拉普拉斯金字塔生成的差分图像的新框架。该框架的新颖之处在于,它是首次尝试将差分图像合并到医学图像合成中。基于355例痴呆患者数据集和ADNI-1数据集的实验结果表明,该框架在ASL图像合成方面优于目前的所有技术。此外,该框架合成的ASL图像能够显著提高痴呆诊断的准确性。
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引用次数: 0
期刊
2021 International Conference on Computer Engineering and Artificial Intelligence (ICCEAI)
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