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Music Note Feature Recognition Method based on Hilbert Space Method Fused with Partial Differential Equations 基于Hilbert空间法与偏微分方程融合的音符特征识别方法
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.0140217
Liqin Liu
—Hilbert space method is an old mathematical theoretical model developed based on linear algebra and has a high theoretical value and practical application. The basic idea of the Hilbert space method is to use the existence of some stable relationship between variables and to use the dynamic dependence between variables to construct the solution of differential equations, thus transforming mathematical problems into algebraic problems. This paper firstly studies the denoising model in the process of music note feature recognition based on partial differential equations, then analyzes the denoising method based on partial differential equations and gives an algorithm for fused music note feature recognition in Hilbert space; secondly, this paper studies the commonly used music note feature recognition methods, including linear predictive cepstral coefficients, Mel frequency cepstral coefficients, wavelet transform-based feature extraction methods and Hilbert space-based feature extraction methods. Their corresponding feature extraction processes are given.
希尔伯特空间方法是在线性代数基础上发展起来的一种古老的数学理论模型,具有很高的理论价值和实际应用价值。希尔伯特空间方法的基本思想是利用变量之间存在某种稳定的关系,利用变量之间的动态依赖关系来构造微分方程的解,从而将数学问题转化为代数问题。本文首先研究了基于偏微分方程的音符特征识别过程中的去噪模型,然后分析了基于偏微分方程的去噪方法,给出了Hilbert空间中融合音符特征识别的算法;其次,研究了常用的音符特征识别方法,包括线性预测倒谱系数、Mel频率倒谱系数、基于小波变换的特征提取方法和基于Hilbert空间的特征提取方法。给出了相应的特征提取过程。
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引用次数: 0
A Comprehensive Study on Medical Image Segmentation using Deep Neural Networks 基于深度神经网络的医学图像分割综合研究
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.0140319
L. Dao, N. Ly
—Over the past decade, Medical Image Segmentation (MIS) using Deep Neural Networks (DNNs) has achieved significant performance improvements and holds great promise for future developments. This paper presents a comprehensive study on MIS based on DNNs. Intelligent Vision Systems are often evaluated based on their output levels, such as Data, Information, Knowledge, Intelligence, and Wisdom (DIKIW), and the state-of-the-art solutions in MIS at these levels are the focus of research. Additionally, Explainable Artificial Intelligence (XAI) has become an important research direction, as it aims to uncover the "black box" nature of previous DNN architectures to meet the requirements of transparency and ethics. The study emphasizes the importance of MIS in disease diagnosis and early detection, particularly for increasing the survival rate of cancer patients through timely diagnosis. XAI and early prediction are considered two important steps in the journey from "intelligence" to "wisdom." Additionally, the paper addresses existing challenges and proposes potential solutions to enhance the efficiency of implementing DNN-based MIS.
在过去的十年中,使用深度神经网络(dnn)的医学图像分割(MIS)取得了显着的性能改进,并在未来的发展中具有很大的前景。本文对基于深度神经网络的信息管理系统进行了全面的研究。智能视觉系统通常根据其输出水平进行评估,例如数据、信息、知识、智能和智慧(DIKIW),而这些水平的MIS中最先进的解决方案是研究的重点。此外,可解释人工智能(Explainable Artificial Intelligence, XAI)已经成为一个重要的研究方向,因为它旨在揭示以前深度神经网络架构的“黑匣子”性质,以满足透明度和道德要求。本研究强调MIS在疾病诊断和早期发现中的重要性,特别是通过及时诊断提高癌症患者的生存率。人工智能和早期预测被认为是从“智能”到“智慧”的两个重要步骤。此外,本文解决了现有的挑战,并提出了潜在的解决方案,以提高实施基于dnn的MIS的效率。
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引用次数: 1
A Review on Machine-Learning and Nature-Inspired Algorithms for Genome Assembly 基于机器学习和自然启发的基因组组装算法研究进展
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.0140798
Asmae Yassine, M. E. Riffi
—Genome assembly plays a crucial role in the field of bioinformatics, as current sequencing technologies are unable to sequence an entire genome at once where the need for fragmenting into short sequences and reassembling them. The genomes often contain repetitive sequences and duplicated regions, which can lead to ambiguities during assembly. Thus, the process of reconstructing a complete genome from a set of reads necessitates the use of efficient assembly programs. Over time, as genome sequencing technology has advanced, the methods for genome assembly have also evolved, resulting in the utilization of various genome assemblers. Many artificial intelligence techniques such as machine learning and nature-inspired algorithms have been applied in genome assembly in recent years. These technologies have the potential to significantly enhance the accuracy of genome assembly, leading to functionally correct genome reconstructions. This review paper aims to provide an overview of the genome assembly, highlighting the significance of different methods used in machine learning techniques and nature-inspiring algorithms in achieving accurate and efficient genome assembly. By examining the advancements and possibilities brought about by different machine learning and metaheuristics approaches, this review paper offers insights into the future directions of genome assembly.
基因组组装在生物信息学领域起着至关重要的作用,因为目前的测序技术无法一次对整个基因组进行测序,需要将其片段化成短序列并重新组装。基因组通常包含重复序列和重复区域,这可能导致组装过程中的歧义。因此,从一组reads中重建一个完整的基因组的过程需要使用高效的组装程序。随着时间的推移,随着基因组测序技术的进步,基因组组装的方法也在不断发展,导致了各种基因组组装器的使用。近年来,许多人工智能技术如机器学习和受自然启发的算法已被应用于基因组组装。这些技术有可能显著提高基因组组装的准确性,从而导致功能正确的基因组重建。这篇综述文章旨在提供基因组组装的概述,强调在机器学习技术和自然启发算法中使用的不同方法在实现准确和高效的基因组组装中的重要性。通过研究不同机器学习和元启发式方法带来的进步和可能性,本文对基因组组装的未来方向提出了见解。
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引用次数: 0
Detection of Tuberculosis Based on Hybridized Pre-Processing Deep Learning Method 基于混合预处理深度学习方法的肺结核检测
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.0140808
Mohamed Elashmawy, I. Elamvazuthi, L. I. Izhar, S. Paramasivam, Steven W. Su
—The disease, tuberculosis (TB) is a serious health concern as it primarily affects the lungs and can lead to fatalities. However, early detection and treatment can cure the disease. One potential method for detecting TB is using Computer Aided Diagnosis (CAD) systems, which can analyze Chest X-Ray Images (CXR) for signs of TB. This paper proposes a new approach for improving the performance of CAD systems by using a hybrid pre-processing method for Convolutional Neural Network (CNN) models. The goal of the research is to enhance the accuracy and Area Under Curve (AUC) of detection for TB in CXR images by combining two different pre-processing methods and multi-classifying different manifestations of the disease. The hypothesis is that this approach will result in more accurate detection of TB in CXR images. To achieve this, this research used augmentation and segmentation techniques to pre-process the CXR images before feeding them into a pre-trained CNN model for classification. The VGG16 model managed to achieve an AUC of 0.935, an accuracy of 90% and a 0.8975 F1-score with the proposed pre-processing method.
-结核病是一种严重的健康问题,因为它主要影响肺部并可导致死亡。然而,早期发现和治疗可以治愈这种疾病。检测结核病的一种潜在方法是使用计算机辅助诊断(CAD)系统,该系统可以分析胸部x射线图像(CXR)以寻找结核病的迹象。本文提出了一种利用卷积神经网络(CNN)模型的混合预处理方法来提高CAD系统性能的新方法。本研究的目的是通过结合两种不同的预处理方法,对结核病的不同表现进行多分类,提高CXR图像对结核病检测的准确性和曲线下面积(Area Under Curve, AUC)。假设这种方法将导致在CXR图像中更准确地检测结核病。为了实现这一点,本研究使用增强和分割技术对CXR图像进行预处理,然后将其输入预训练的CNN模型进行分类。采用该预处理方法,VGG16模型的AUC为0.935,准确率为90%,f1分数为0.8975。
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引用次数: 0
An Automated Impact Analysis Approach for Test Cases based on Changes of Use Case based Requirement Specifications 基于需求规格的用例变更的测试用例的自动影响分析方法
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.01401105
Adisak Intana, Kanjana Laosen, Thiwatip Sriraksa
—Change Impact Analysis (CIA) is essential to the software development process that identifies the potential effects of changes during the development process. The changing of requirements always impacts on the software testing because some parts of the existing test cases may not be used to test the software. This affects new test cases to be entirely generated from the changed version of software requirements specification that causes a considerable amount of time and effort to generate new test cases to re-test the modified system. Therefore, this paper proposes a novel automatic impact analysis approach of test cases based on changes of use case based requirement specification. This approach enables a framework and CIA algorithm where the impact of test cases is analysed when the requirement specification is changed. To detect the change, two versions as before-change and after-change of the use case model are compared. Consequently, the patterns representing the cause of variable changes are classified and analysed. This results in the existing test cases to be analysed whether they are completely reused, partly updated as well as additionally generated. The new test cases are generated automatically by using the Combination of Equivalence and Classification Tree Method (CCTM). This benefits the level of testing coverage with a minimised number of test cases to be enabled and the redundant test cases to be eliminated. The automation of this approach is demonstrated with the developed prototype tool. The validation and evaluation result with two real case studies from Hospital Information System (HIS) together with perspective views of practical specialists confirms the contribution of this tool that we seek.
变更影响分析(CIA)对软件开发过程至关重要,它可以识别开发过程中变更的潜在影响。需求的变化总是对软件测试产生影响,因为现有测试用例的某些部分可能无法用于测试软件。这影响了新的测试用例完全从软件需求规范的更改版本中生成,这会导致大量的时间和精力来生成新的测试用例来重新测试修改后的系统。因此,本文提出了一种基于需求规范的基于用例变化的测试用例自动影响分析方法。这种方法支持一个框架和CIA算法,当需求规范被更改时,测试用例的影响将被分析。为了检测更改,将比较用例模型的更改前和更改后的两个版本。因此,对代表变量变化原因的模式进行了分类和分析。这将导致对现有测试用例进行分析,看它们是否被完全重用、部分更新以及额外生成。使用等价与分类树相结合的方法自动生成新的测试用例。这有利于测试覆盖的水平,使启用的测试用例数量最小化,并消除冗余的测试用例。通过开发的原型工具演示了该方法的自动化。通过医院信息系统(HIS)的两个真实案例的验证和评估结果,以及实际专家的观点,证实了我们所寻求的这一工具的贡献。
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引用次数: 1
Deep Learning for Personal Activity Recognition Under More Complex and Different Placement Positions of Smart Phone 深度学习在智能手机更复杂、不同放置位置下的个人活动识别
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.0140639
Bhagya Rekha Sangisetti, Suresh Pabboju
Personal Activity Recognition (PAR) is an indispensable research area as it is widely used in applications such as security, healthcare, gaming, surveillance and remote patient monitoring. With sensors introduced in smart phones, data collection for PAR made easy. However, PAR is non-trivial and difficult task due to bulk of data to be processed, complexity and sensor placement positions. Deep learning is found to be scalable and efficient in processing such data. However, the main problem with existing solutions is that, they could recognize up to 6 or 8 actions only. Besides, they suffer from accurate recognition of other actions and also deal with complexity and different placement positions of smart phone. To address this problem, in this paper, we proposed a framework named Robust Deep Personal Action Recognition Framework (RDPARF) which is based on enhanced Convolutional Neural Network (CNN) model which is trained to recognize 12 actions. RDPARF is realized with our proposed algorithm known as Enhanced CNN for Robust Personal Activity Recognition (ECNN-RPAR). This algorithm has provision for early stopping checkpoint to optimize resource consumption and faster convergence. Experiments are made with MHealth benchmark dataset collected from UCI repository. Our empirical results revealed that ECNN-RPAR could recognize 12 actions under more complex and different placement positions of smart phone besides outperforming the state of the art exhibiting highest accuracy with 96.25%. Keywords—Human activity recognition; deep learning; CNN; MHealth dataset; artificial intelligence
个人活动识别(PAR)在安全、医疗、游戏、监控和远程病人监护等领域有着广泛的应用,是一个不可或缺的研究领域。随着智能手机中引入传感器,PAR的数据收集变得容易。然而,由于需要处理的大量数据、复杂性和传感器的放置位置,PAR是一项艰巨的任务。人们发现深度学习在处理此类数据方面具有可扩展性和效率。然而,现有解决方案的主要问题是,它们最多只能识别6或8个动作。此外,他们还面临着对其他动作的准确识别,还要处理智能手机的复杂性和不同的放置位置。为了解决这一问题,本文提出了一种基于增强卷积神经网络(CNN)模型的鲁棒深度个人动作识别框架(RDPARF),该框架可以训练识别12个动作。RDPARF是用我们提出的增强CNN鲁棒个人活动识别(ECNN-RPAR)算法实现的。该算法设置了提前停止检查点,优化了资源消耗,加快了收敛速度。使用从UCI知识库中收集的移动健康基准数据集进行实验。实证结果表明,ECNN-RPAR可以识别出智能手机在更复杂和不同放置位置下的12种动作,准确率达到96.25%,优于目前的研究水平。关键词:人体活动识别;深度学习;美国有线电视新闻网(CNN);移动医疗数据集;人工智能
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引用次数: 0
Effect of Multi-SVC Installation for Loss Control in Power System using Multi-Computational Techniques 多svc安装对多计算技术下电力系统损耗控制的影响
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.01405103
N. Balasubramaniam, N. A. M. Kamari, I. Musirin, A. A. Ibrahim
— Flexible AC Transmission Systems (FACTs) play a vital role in minimizing the power losses and improving voltage profile in power transmission system. These increase the real power transfer capacity of the system. However, optimal location of sizing of the FACTs devices determines the extent of benefits provided by the FACTs devices to the transmission system. Non-optimal solution in terms of the location and sizing may possibly lead to under-compensation or over-compensation phenomena. Thus, a robust optimization is a priori for optimal solution achievement. This paper presents a study on the effect on multi static VAR compensators (SVC) installation for loss control in power system using evolutionary programming (EP), artificial immune system (AIS) and immune evolutionary programming (IEP). The objective is to minimize the real power loss transmission and improve the voltage profile of the transmission power system. The study reveals that installation of multi-units SVC significantly reduces the power loss and increases the voltage profile of the system, validated on the IEEE 30-Bus Reliability Test System (RTS).
柔性交流输电系统(FACTs)在降低输电系统的功率损耗和改善输电系统的电压分布方面起着至关重要的作用。这些增加了系统的实际电力传输能力。然而,FACTs设备尺寸的最佳位置决定了FACTs设备为传输系统提供的好处程度。在位置和尺寸方面的非最优解可能导致补偿不足或补偿过度的现象。因此,鲁棒优化是实现最优解的先验条件。本文采用进化规划(EP)、人工免疫系统(AIS)和免疫进化规划(IEP)研究了多静态无功补偿器(SVC)的安装对电力系统的损失控制的影响。其目标是最大限度地减少实际输电损耗,改善输电系统的电压分布。研究表明,多单元SVC的安装显著降低了系统的功率损耗,增加了系统的电压分布,并在IEEE 30总线可靠性测试系统(RTS)上得到了验证。
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引用次数: 0
Research on Settlement Prediction of Building Foundation in Smart City Based on BP Network 基于BP网络的智慧城市建筑地基沉降预测研究
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.0140693
Luyao Wei
In the construction process of high-rise buildings, it is necessary to predict the settlement and deformation of the foundation, and the current prediction methods are mainly based on empirical theoretical calculations and methods and more accurate numerical analysis methods. In the face of the interference of complex and ever-changing terrain and parameter values on prediction methods, in order to accurately determine the settlement of building foundations, this study designed a smart city building foundation settlement prediction method based on BP neural network. Firstly, a real-time dynamic monitoring unit for building foundation settlement was constructed using Wireless Sensor Network (WSN) technology. Then, the monitoring data was used to calculate the relevant parameters of building foundation settlement through layer sum method. Finally, input the monitoring data into the BP network results, adjust the weights of the output layer and hidden layer using settlement related parameters, and output the settlement prediction results of the smart city building foundation through training. The study selected average error and prediction time as evaluation criteria to test the feasibility of the method proposed in this article. This method can effectively predict foundation settlement, with an average prediction error always less than 4% and a prediction process time always less than 49ms. Keyword—Smart city; intelligent architecture; foundation settlement; settlement prediction; BP neural network; parameter
在高层建筑的施工过程中,需要对地基的沉降和变形进行预测,目前的预测方法主要是基于经验理论计算方法和较为精确的数值分析方法。面对复杂多变的地形和参数值对预测方法的干扰,为了准确判断建筑地基沉降,本研究设计了一种基于BP神经网络的智慧城市建筑地基沉降预测方法。首先,利用无线传感器网络(WSN)技术构建了建筑物地基沉降实时动态监测单元。然后,利用监测数据,通过分层求和法计算建筑地基沉降的相关参数。最后将监测数据输入到BP网络结果中,利用沉降相关参数调整输出层和隐含层的权重,通过训练输出智慧城市建设基础的沉降预测结果。选取平均误差和预测时间作为评价标准,检验本文方法的可行性。该方法能有效预测地基沉降,平均预测误差始终小于4%,预测过程时间始终小于49ms。Keyword-Smart城市;智能建筑;基础沉降;沉降预测;BP神经网络;参数
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引用次数: 0
Suppressing Chest Radiograph Ribs for Improving Lung Nodule Visibility by using Circular Window Adaptive Median Outlier (CWAMO) 利用圆窗自适应中位离群值(CWAMO)抑制胸片肋骨提高肺结节可见性
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.0140359
Dnyaneshwar Kanade, J. Helonde
— Chest radiograph ribs obstruct lung nodules. To see the nodule under the chest radiograph ribs, remove or suppress them. The paper describes a circular median filter approach for finding outliers in chest radiographs. The method uses 147 Japanese Society of Radiological Technology x-ray pictures (JSRT). Pixels with intensities two standard deviations above the median are median outliers. Contrast-Limited Adaptive Histogram Equalization enhances nodule visibility (CLAHE). The method is tested on modest chest radiographs and compared to the Budapest University Bone Shadow Eliminated X-Ray Dataset methodology. The initial test uses 50 modest chest radiographs (Test 1). The proposed approach is applied after active shape modelling (ASM) lung segmentation. True positive nodules are seen on 89% of chest radiographs of various subtleties. Test-2 and Test-3 used 20 subtlety-level photos. In Test-2, the peak signal-to-noise ratio (PSNR), mean-to-standard deviation ratio (MSR), and universal image quality index (IQI) are evaluated for the full image and compared to the existing algorithm. For all three parameters, the suggested technique outperforms the algorithm. Test-3 computes nodule MSR and compares it to Budapest University's Bone Shadow Eliminated Dataset and original chest radiographs. The new algorithm improved nodule area contrast by 3.83% and 23.94% compared to the original chest radiograph. This approach improves chest radiograph nodule visualization.
胸片显示肋骨阻塞肺结节。胸部x线片下看到结节,切除或抑制结节。本文描述了一种用于寻找胸片异常值的圆形中值滤波方法。该方法使用了147张日本放射学会x射线照片(JSRT)。亮度高于中位数两个标准差的像素是中位数异常值。对比度限制自适应直方图均衡化增强结节可见性(CLAHE)。该方法在普通胸片上进行了测试,并与布达佩斯大学骨阴影消除x射线数据集方法进行了比较。最初的测试使用50张适度的胸片(测试1)。该方法在主动形状建模(ASM)肺分割后应用。真阳性结节出现在89%的胸片上。测试2和测试3使用了20张微妙级别的照片。在Test-2中,对完整图像的峰值信噪比(PSNR)、均值与标准差比(MSR)和通用图像质量指数(IQI)进行了评估,并与现有算法进行了比较。对于这三个参数,建议的技术优于算法。Test-3计算结节的MSR,并将其与布达佩斯大学的骨阴影消除数据集和原始胸部x光片进行比较。与原始胸片相比,新算法分别提高了3.83%和23.94%的结节面积对比度。这种方法可以提高胸片上结节的可见性。
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引用次数: 1
Proactive Acquisition using Bot on Discord 在Discord上使用Bot进行主动获取
IF 0.9 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.14569/ijacsa.2023.0140533
N. Cahyani, D. Pratama, N. H. A. Rahman
org
org
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引用次数: 0
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