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Vision transformer-convolution for breast cancer classification using mammography images: A comparative study 利用乳房 X 射线摄影图像进行乳腺癌分类的视觉变换卷积:比较研究
Pub Date : 2024-05-15 DOI: 10.3233/his-240002
Mouhamed Laid Abimouloud, Khaled Bensid, Mohamed Elleuch, Oussama Aiadi, Monji Kherallah
Breast cancer is a significant global health concern, highlighting the critical importance of early detection for effective treatment of women’s health. While convolutional networks (CNNs) have been the best for analysing medical images, recent interest has emerged in leveraging vision transformers (ViTs) for medical data analysis. This study aimed to conduct a comprehensive comparison of three systems a self-attention transformer (VIT), a compact convolution transformer (CCT), and a tokenlearner (TVIT) for binary classification of mammography images into benign and cancerous tissue. Thorough experiments were performed using the DDSM dataset, which consists of 5970 benign and 7158 malignant images. The performance accuracy of the proposed models was evaluated, yielding results of 99.81% for VIT, 99.92% for CCT, and 99.05% for TVIT. Additionally, the study compared these results with the current state-of-the-art performance metrics. The findings demonstrate how convolution-attention mechanisms can effectively contribute to the development of robust computer-aided systems for diagnosing breast cancer. Notably, the proposed approach achieves high-performance results while also minimizing the computational resources required and reducing decision time.
乳腺癌是全球关注的重大健康问题,凸显了早期检测对有效治疗妇女健康的极端重要性。虽然卷积网络(CNN)一直是分析医学图像的最佳工具,但最近人们对利用视觉变换器(ViT)进行医学数据分析产生了兴趣。本研究旨在对自注意变换器(VIT)、紧凑型卷积变换器(CCT)和标记学习器(TVIT)这三种系统进行综合比较,以便将乳腺 X 射线图像分为良性组织和癌组织。实验使用了 DDSM 数据集,其中包括 5970 张良性图像和 7158 张恶性图像。对所提模型的性能准确性进行了评估,结果显示 VIT 为 99.81%,CCT 为 99.92%,TVIT 为 99.05%。此外,研究还将这些结果与当前最先进的性能指标进行了比较。研究结果表明了卷积-注意力机制如何有效地帮助开发用于诊断乳腺癌的强大计算机辅助系统。值得注意的是,所提出的方法在实现高性能结果的同时,还最大限度地减少了所需的计算资源,缩短了决策时间。
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引用次数: 0
Comparative temporal dynamics of individuation and perceptual averaging using a biological neural network model 利用生物神经网络模型比较个体化和知觉平均化的时间动态
Pub Date : 2024-05-13 DOI: 10.3233/his-240007
Rakesh Sengupta, Anuj Shukla, Ravichander Janapati, Bhavesh Verma
Analyzing visual scenes and computing ensemble statistics, known as perceptual averaging, is crucial for the stable sensory experience of a cognitive agent. Despite the apparent simplicity of applying filters to scenes, the challenge arises from our brain’s seamless transition between summarization and individuation across various reference frames (retinotopic, spatiotopic, and hemispheric). In this study, we explore the capability of a neural network to dynamically switch between individuation and summarization. Our chosen computational model, a fully connected on-center off-surround recurrent neural network previously employed for enumeration/individuation, demonstrates the potential to extract both summary statistics and achieve high individuation accuracy. Notably, our results show that the individuation accuracy can reach close to perfection within a presentation duration of 100 ms, but not so for summarization. We have also shown a spatially varying excitation version of the network that can explain quite a few interesting spatio-temporal patterns of perception. These findings not only highlight the feasibility of such a neural network but also provide insights into the temporal dynamics of ensemble perception.
分析视觉场景和计算集合统计(即感知平均)对于认知主体的稳定感官体验至关重要。尽管在场景中应用滤波器表面上很简单,但我们的大脑却要在不同参照系(视网膜、空间和半球)之间无缝切换总结和个别化,这给我们带来了挑战。在本研究中,我们探索了神经网络在个性化和概括化之间动态切换的能力。我们选择的计算模型是一个全连接的中心外循环神经网络,以前曾用于枚举/个体化,它展示了同时提取摘要统计数据和实现高个体化准确性的潜力。值得注意的是,我们的研究结果表明,在 100 毫秒的呈现持续时间内,个体化准确率可以达到接近完美的水平,但总结准确率却并非如此。我们还展示了该网络的空间变化激发版本,它可以解释许多有趣的时空感知模式。这些发现不仅凸显了这种神经网络的可行性,而且还提供了对集合感知时空动态的见解。
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引用次数: 0
Metaheuristic optimized electrocardiography time-series anomaly classification with recurrent and long-short term neural networks 利用递归和长短期神经网络优化心电图时间序列异常分类的元启发式方法
Pub Date : 2024-05-13 DOI: 10.3233/his-240005
Luka Jovanovic, M. Zivkovic, Nebojša Bačanin, Aleksandra Bozovic, Peter Bisevac, Milos Antonijevic
This study explores the realm of time series forecasting, focusing on the utilization of Recurrent Neural Networks (RNN) to detect abnormal cardiovascular rhythms in Electrocardiogram (ECG) signals. The principal objective is to optimize RNN performance by finely tuning hyperparameters, a complex task with known NP-hard complexity. To address this challenge, the study employs metaheuristic algorithms, specialized problem-solving techniques crafted for navigating intricate and non-deterministic optimization landscapes. Additionally, a refined algorithm is introduced to overcome limitations inherent in the original approach. This modified algorithm exhibits significant improvements, surpassing its predecessor in identifying anomalous cardiovascular rhythms within ECG signals. The most successful optimized model achieves an accuracy of 99.26%, outperforming models optimized by other contemporary metaheuristics assessed in the study. Further experimentation extends the initial inquiry by exploring the capabilities of Long Short-Term Memory (LSTM) models augmented by attention layers. In this extension, the best models demonstrate an accuracy of 99.83%, surpassing the original RNN models. These findings underscore the crucial importance of refining machine learning models and emphasize the potential for substantial advancements in healthcare through innovative algorithmic approaches.
本研究探索时间序列预测领域,重点是利用循环神经网络(RNN)检测心电图(ECG)信号中的异常心血管节律。主要目标是通过微调超参数来优化 RNN 性能,这是一项具有已知 NP 难度的复杂任务。为了应对这一挑战,该研究采用了元启发式算法,这是一种专门的问题解决技术,用于浏览错综复杂的非确定性优化景观。此外,还引入了一种改进算法,以克服原始方法固有的局限性。这种改进后的算法在识别心电图信号中的异常心血管节律方面有了显著的改进,超过了前一种算法。最成功的优化模型达到了 99.26% 的准确率,超过了研究中评估的其他当代元启发式优化模型。进一步的实验扩展了最初的研究,探索了由注意力层增强的长短期记忆(LSTM)模型的能力。在这一扩展中,最佳模型的准确率达到了 99.83%,超过了最初的 RNN 模型。这些发现强调了完善机器学习模型的极端重要性,并强调了通过创新算法方法在医疗保健领域取得重大进展的潜力。
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引用次数: 0
Classifications, evaluation metrics, datasets, and domains in recommendation services: A survey 推荐服务中的分类、评估指标、数据集和领域:调查
Pub Date : 2024-05-12 DOI: 10.3233/his-240003
Luong Vuong Nguyen
Recommendation systems (RS) play a crucial role in assisting individuals in making suitable selections from an extensive array of products or services. This significantly mitigates the predicament of being overwhelmed by excessive information. RS finds powerful utility in online industries by vending products over the internet or furnishing online services. Given the potential for business expansion through their implementation, RS is relevant in such domains. This comprehensive review article overviews RS and its diverse variations and extensions. Specifically, this review provides a thorough comparative analysis for each method that encompasses many techniques employed in RS, encompassing content-based filtering, collaborative filtering, hybrid, and miscellaneous approaches. Notably, the article delves into the manifold applications of RS across various practical domains. Additionally, the assortment of evaluation metrics utilized across RS is explored. Finally, we conclude by encapsulating the distinct challenges RS encounters, which enhance their precision and dependability.
推荐系统(RS)在帮助个人从大量产品或服务中做出适当选择方面发挥着至关重要的作用。这大大缓解了被过多信息淹没的困境。通过在互联网上销售产品或提供在线服务,RS 在在线行业中发挥着强大的作用。鉴于其实施具有业务扩展的潜力,RS 在这些领域具有重要意义。这篇综合评论文章概述了 RS 及其各种变体和扩展。具体来说,本综述对每种方法进行了全面的比较分析,其中包括 RS 中采用的多种技术,包括基于内容的过滤、协同过滤、混合过滤和其他方法。值得注意的是,文章深入探讨了 RS 在各个实际领域的多方面应用。此外,文章还探讨了在 RS 中使用的各种评价指标。最后,我们总结了 RS 遇到的不同挑战,这些挑战提高了 RS 的精度和可靠性。
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引用次数: 0
A hybrid approach of machine learning algorithms for improving accuracy of social media crisis detection 提高社交媒体危机检测准确性的机器学习算法混合方法
Pub Date : 2024-05-04 DOI: 10.3233/his-240011
Amjad Pendhari, Nazneen A. Pendhari, Santosh Singh
The use of social media is becoming increasingly important in our day-to-day activities. Platforms for social media are utilised on a daily basis, and it has been seen that young adults make regular use of social media, even while they are in the midst of an emergency scenario. For the purpose of communication, individuals, businesses, and governments all make use of various social media platforms. Through their efforts to establish communication with their loved ones who are residing in regions that have been impacted by disasters, a great number of people are demonstrating their profound concern for the well-being of those individuals. The individuals are looking for a variety of necessities, including food, help, pharmaceuticals, lodging, transportation, and other necessities. It is possible for telecommunication networks to experience a breakdown or become incapable of adequately accommodating a sudden spike in the number of users attempting to connect to the network during times of crisis. There is a widespread use of short messaging service (SMS) mobile text messages in the modern communication landscape. Platforms for social media websites that are accessible online have the potential to effectively regulate the flow of communication. The existence of social media networks that are technologically scalable makes it possible for this to be a feasible option. The usage of a platform that enables communication in both directions has the potential to outperform the efficiency of conventional channels that only transmit information in one direction, such as radio and television, when it comes to crisis situations. The proliferation of network technologies has resulted in an increased emphasis on the examination of the features of network components, the mitigation of the affects of these components, and the rapid restoration of operations in the event of disasters. It is possible to improve the efficiency, dependability, and participatory nature of emergency communication by making use of various social media platforms. Consequently, it is possible to make the observation that crises have become an integral part of the ecosystem of social media in the modern day.
社交媒体的使用在我们的日常活动中变得越来越重要。社交媒体平台每天都在使用,而且人们发现,即使在紧急情况下,年轻人也会经常使用社交媒体。为了进行交流,个人、企业和政府都在使用各种社交媒体平台。通过努力与居住在受灾害影响地区的亲人建立联系,很多人都表现出了对这些人福祉的深切关注。这些人正在寻找各种必需品,包括食品、帮助、药品、住宿、交通和其他必需品。在危机时期,电信网络有可能出现故障,或无法充分应对试图连接网络的用户数量突然激增的情况。在现代通信领域,短信服务(SMS)移动文本消息的使用非常广泛。可在线访问的社交媒体网站平台有可能有效调节通信流。社交媒体网络在技术上的可扩展性使其成为一种可行的选择。在危机情况下,使用一个能够进行双向交流的平台有可能比广播和电视等只能单向传递信息的传统渠道更有效率。随着网络技术的普及,人们越来越重视研究网络组件的特点、减轻这些组件的影响以及在发生灾害时迅速恢复运行。利用各种社交媒体平台可以提高应急通信的效率、可靠性和参与性。因此,可以说危机已成为现代社会媒体生态系统的一个组成部分。
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引用次数: 0
Hybrid intelligent system for channel allocation and packet transmission in CR-IoT networks 用于 CR-IoT 网络中信道分配和数据包传输的混合智能系统
Pub Date : 2024-05-03 DOI: 10.3233/his-240009
Daniel E. Asuquo, Uduak A. Umoh, Samuel A. Robinson, Emmanuel A. Dan, Samuel S. Udoh, K. Attai
The proliferation of interconnected devices is driving a surge in the demand for wireless spectrum. Meeting the need for wireless channel access for every device, while also ensuring consistent quality of service (QoS), poses significant challenges. This is particularly true for resource-limited heterogeneous devices within Internet of Things (IoT) networks. Cognitive radio (CR) technology addresses the shortcomings of traditional fixed channel allocation policies by enabling unlicensed users to opportunistically access unused spectrum belonging to licensed users. This facilitates timely and reliable transmission of mission-critical data packets. A cognitive radio-enabled IoT (CR-IoT) network is poised to better accommodate the growing demands of diverse applications and services within the smart city framework, spanning areas such as healthcare, agriculture, manufacturing, logistics, transportation, environment, public safety, and pharmaceuticals. To minimize switching delays and ensure energy and spectral efficiency, this study proposes a hybrid intelligent system for efficient channel allocation and packet transmission in CR-IoT networks. Leveraging Support Vector Machine (SVM) and Adaptive Neuro-Fuzzy Inference System (ANFIS), the system dynamically manages spectrum resources to minimize handoffs while upholding QoS. A Java-based simulation integrates system outputs with interference temperature data to accommodate service demands across 2G–4G spectrums. Evaluation reveals SVM’s 98.8% accuracy in detecting spectrum holes and ANFIS’s 90.4% accuracy in channel allocation. These results demonstrate significant potential for enhancing spectrum utilization in various IoT applications.
互联设备的激增推动了无线频谱需求的激增。既要满足每台设备对无线信道接入的需求,又要确保一致的服务质量(QoS),这带来了巨大的挑战。这对于物联网(IoT)网络中资源有限的异构设备来说尤其如此。认知无线电(CR)技术可解决传统固定信道分配政策的缺陷,使非授权用户能够伺机访问属于授权用户的未使用频谱。这有助于及时可靠地传输关键任务数据包。认知无线电物联网(CR-IoT)网络可更好地满足智慧城市框架内各种应用和服务日益增长的需求,涵盖医疗保健、农业、制造、物流、交通、环境、公共安全和制药等领域。为了最大限度地减少切换延迟,确保能源和频谱效率,本研究提出了一种混合智能系统,用于在 CR-IoT 网络中实现高效信道分配和数据包传输。该系统利用支持向量机(SVM)和自适应神经模糊推理系统(ANFIS),动态管理频谱资源,在保证质量的同时尽量减少切换。基于 Java 的模拟将系统输出与干扰温度数据整合在一起,以满足 2G-4G 频谱的服务需求。评估显示,SVM 在检测频谱漏洞方面的准确率为 98.8%,ANFIS 在信道分配方面的准确率为 90.4%。这些结果证明了在各种物联网应用中提高频谱利用率的巨大潜力。
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引用次数: 0
A comparative assessment of OMP and MATLAB for parallel computation OMP 和 MATLAB 在并行计算方面的比较评估
Pub Date : 2024-04-01 DOI: 10.3233/his-240001
Yajnaseni Dash, Ajith Abraham
The prime goal of parallel computing is the simultaneous parallel execution of several program instructions. Consequently, to accomplish this, the program should be divided into independent sets so that each processor can execute its program part concurrently with the other processors. This study compares OMP and MATLAB, two important parallel computing simulation tools, through the use of a dense matrix multiplication technique. The results showed that OMP outperformed the MATLAB parallel environment by over 8 times in sequential execution and 6 times in parallel execution. From this proposed method, it was also observed that OMP with an even slower processor performs much better than MATLAB with a higher processor. Thus, the present analysis indicates that OMP is a superior environment for parallel computing and should be preferred over parallel MATLAB.
并行计算的首要目标是同时并行执行多个程序指令。因此,为实现这一目标,应将程序划分为独立的程序集,以便每个处理器都能与其他处理器同时执行其程序部分。本研究通过使用密集矩阵乘法技术,比较了 OMP 和 MATLAB 这两种重要的并行计算仿真工具。结果表明,在顺序执行和并行执行中,OMP 的性能分别比 MATLAB 并行环境高出 8 倍和 6 倍以上。从这一提议的方法中还观察到,使用较慢处理器的 OMP 比使用较高处理器的 MATLAB 性能要好得多。因此,目前的分析表明,OMP 是一种优越的并行计算环境,应优先于并行 MATLAB。
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引用次数: 0
Novel odor sensing intelligence and surveillance capabilities in controller-responder robots 控制器-应答机器人的新型气味感应智能和监视能力
Pub Date : 2023-12-08 DOI: 10.3233/his-230017
Serena Gandhi, Ajith Abraham
The rise in global travel has led to an increased need for heightened security measures at airports. Despite the best efforts of airport security officers, in the past year, hundreds of kilograms of illegal drugs and thousands of agricultural invasive species have found their way into the country, posing a severe threat to public safety and the environment. Moreover, human threats pose a significant risk to civil aviation, reinforcing the need for advanced security technology. In response to these challenges, NOSI (Novel Odor Sensing Intelligence) and ROSI (Reconnaissance Operations Security Intelligence), intelligence surveillance systems consisting of semi-autonomous controller-responder robots, were developed as a proof of concept to supplement the efforts of security and K-9 (police dogs) operators at airports. NOSI is equipped with multi-channel gas sensors for odor detection, enabling it to identify illegal drugs and invasive species in the baggage handling process, while ROSI is equipped with computer vision to identify individuals already in the government’s database of persons of interest. These coordinated robots also provide travelers with important information pertaining to their journey and allow them to trigger emergency alerts. The robots were tested in a custom-designed test bed that replicated both the behind-the-scenes baggage handling and front-office customer service operations of an airport, thus simulating a realistic airport-like setting. Based on design criteria, NOSI and ROSI demonstrated success rates of 73.4 percent and 69.8 percent, respectively. Improvements in areas of robot stability, sensor accuracy, and feature expansion were documented for further development. In conclusion, the NOSI and ROSI framework can enhance the efficiency and accuracy of airport infrastructure monitoring and supplement the capabilities of human and K9 operators. Overall, this approach can potentially revolutionize operations in various infrastructures and represents the future of human-robot collaboration.
随着全球旅行的增加,人们越来越需要加强机场的安全措施。尽管机场安检人员尽了最大努力,但在过去一年中,仍有数百公斤非法毒品和数千种农业入侵物种流入我国,对公共安全和环境构成了严重威胁。此外,人为威胁也对民航构成了重大风险,这就更加需要先进的安全技术。为了应对这些挑战,我们开发了 NOSI(新型气味传感智能系统)和 ROSI(侦察行动安全智能系统)这两个由半自动控制应答机器人组成的智能监控系统,作为对机场安全和 K-9(警犬)操作人员工作的补充。NOSI 配备了用于气味检测的多通道气体传感器,能够在行李处理过程中识别非法毒品和入侵物种,而 ROSI 则配备了计算机视觉系统,能够识别政府数据库中的涉案人员。这些相互配合的机器人还能为旅客提供与行程相关的重要信息,并能触发紧急警报。这些机器人在一个定制设计的试验台中进行测试,该试验台复制了机场幕后行李处理和前台客户服务操作,从而模拟了类似机场的真实环境。根据设计标准,NOSI 和 ROSI 的成功率分别为 73.4% 和 69.8%。在机器人稳定性、传感器精度和功能扩展方面的改进已记录在案,有待进一步开发。总之,NOSI 和 ROSI 框架可以提高机场基础设施监控的效率和准确性,并补充人类和 K9 操作员的能力。总之,这种方法有可能彻底改变各种基础设施的运行状况,代表着人类与机器人协作的未来。
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引用次数: 0
Robust And Discriminant Local Color Pattern (RADLCP): A novel color descriptor for face recognition 鲁棒和判别局部颜色模式(RADLCP):一种新的用于人脸识别的颜色描述符
Pub Date : 2023-08-02 DOI: 10.3233/his-230016
Shekhar Karanwal
In [1] Karanwal et al. introduced the novel color descriptor in Face Recognition (FR) called as Fused Local Color Pattern (FLCP). In FLCP, the RGB color format is utilized for extracting features. From R, G and B channels, the MRELBP-NI, 6 × 6 MB-LBP and RD-LBP are imposed for feature extraction and then all are integrated to form the FLCP size. FLCP beats the accuracy of various methods. The one major shortcoming observed in [1] is that the basic format RGB is used for extracting features. Literature suggests that other hybrid formats achieves better recognition rates than RGB. Motivated from literature, the proposed work uses the hybrid color space format RCrQ for feature extraction. In this format R channel is taken from RGB, Cr channel is taken from YCbCr and Q channel is taken from YIQ. On R channel, MRELBP-NI is imposed for extracting features, On Cr channel 6 × 6 MB-LBP is imposed and on Q channel RD-LBP is imposed for extracting features. Then all channel features are joined to build the robust and discriminant feature called as Robust And Discriminant Local Color Pattern (RADLCP). Compression and matching is assisted from PCA and SVMs. For evaluating results GT face dataset is used. Results proves the potency of RADLCP in contrast to gray scale based implemented descriptors. RADLCP also beats the results of FLCP. Several literature techniques are also outclassed by RADLCP. For evaluating all the results MATLAB R2021a is used.
在[1]中,Karanwal等人在人脸识别(FR)中引入了一种新的颜色描述符,称为融合局部颜色模式(FLCP)。在FLCP中,RGB颜色格式用于提取特征。从R、G和B通道中,施加MRELBP-NI、6×6MB-LBP和RD-LBP进行特征提取,然后将其全部积分以形成FLCP大小。FLCP胜过各种方法的准确性。在[1]中观察到的一个主要缺点是使用基本格式RGB来提取特征。文献表明,其他混合格式的识别率比RGB更好。受文献启发,本文使用混合颜色空间格式RCrQ进行特征提取。在这种格式中,R通道取自RGB,Cr通道取自YCbCr,Q通道取自YIQ。在R通道上,施加MRELBP-NI来提取特征,在Cr通道上施加6×6MB-LBP,在Q通道上施加RD-LBP来提取特征。然后将所有通道特征连接起来,建立鲁棒判别特征,称为鲁棒判别局部颜色模式(RADLCP)。PCA和SVM有助于压缩和匹配。为了评估结果,使用了GT人脸数据集。结果证明了RADLCP与基于灰度的实现描述符相比的有效性。RADLCP也胜过FLCP的结果。RADLCP也超越了一些文献技术。为了评估所有结果,使用了MATLAB R2021a。
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引用次数: 0
Rainfall data classification using Mann-Kendall test statistics associated with Neuro Fuzzy technique: A case study of Chennai district 基于神经模糊技术的Mann-Kendall检验统计的降雨数据分类:以金奈地区为例
Pub Date : 2023-07-13 DOI: 10.3233/his-230010
A. Raj, H. Henrietta, J. P. Angelena
Climate change, rainfall, weather forecasting is of great concern during the past two decades as scientists and researchers are cautious in building standard numerical models to simulate and forecast the weather parameters in efficient and reliable way. In India, the monsoon is largely responsible for rainfall. India experiences three distinct seasons throughout the year as a result of the monsoon, which originates from the reversal of the predominant wind direction from Southwest to Northeast. Between June and October, the Southwest monsoon, sometimes known as the “wet” season, brings significant rainfall across the majority of the nation. The focus of this research work is to analyse the data of rainfall existed in the past 100 years (1901–2000) and implementing artificial intelligent methods to frame certain classification of algorithm which can forecast the level of rainfall in the future. Data from 1901–2000 of Chennai district has been taken into account for this research. Statistical evaluations are done based on the database and the tabulated results shows the significance of rainfall. Wavelet analysis of multi resolution criteria is obtained to extract the information of heavy rainfall. Mann Kendall (MK) test statistics is utilized for classifying the rainfall data in four levels viz., very-low, low, moderate, high and very high. Trend analysis for the 17 years is tested using Neuro Fuzzy optimisation algorithm. The efficient training of Neuro fuzzy algorithm forecasts the possible trend using the classification analysis of MK test.
气候变化、降雨、天气预报是近二十年来人们非常关注的问题,科学家和研究人员在建立标准数值模式以有效可靠地模拟和预报天气参数方面非常谨慎。在印度,季风是降雨的主要原因。印度一年有三个不同的季节,这是季风的结果,它起源于主导风向从西南转向东北的逆转。在6月到10月之间,西南季风,有时被称为“湿”季节,给全国大部分地区带来了大量降雨。本研究工作的重点是分析过去100年(1901-2000年)的降水资料,并采用人工智能方法构建一定的分类算法来预测未来的降水水平。本研究采用了金奈地区1901-2000年的数据。在数据库的基础上进行了统计评估,表格结果显示了降雨的显著性。采用多分辨率判据的小波分析方法提取暴雨信息。利用Mann Kendall (MK)检验统计量将降雨数据分为极低、低、中、高和极高四个等级。采用神经模糊优化算法对17年的趋势分析进行检验。神经模糊算法的有效训练利用MK测试的分类分析预测可能的趋势。
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引用次数: 0
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International journal of hybrid intelligent systems
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