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Novel Clustering Techniques in Wireless Sensor Networks – A Survey 无线传感器网络中的新型聚类技术综述
Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-11 DOI: 10.32985/ijeces.14.7.1
T.C. Swetha Priya, R. Sridevi
A study of Wireless Sensor Networks has been growing tremendously these days. Wireless Sensor Networks play a major role in various fields ranging from smart homes to health care. WSN’s operate independently in remote places. Because of tiny size of the nodes in such type of networks, they have a limited number of resources in terms of energy and power. Basically, sensor networks can be classified into flat and cluster based Wireless Sensor Networks. But, Clustering based Sensor Networks play a major role in reducing the energy consumption in Wireless Sensor Networks. Clustering also focuses on solving the No.s that arise during transmission of data. Clustering will group nodes into clusters and elects Cluster Heads for all clusters in the network. Then the nodes sense data and send that data to cluster head where the aggregation of data will take place. This paper focuses on various novel clustering techniques that improve the network’s lifetime.
近年来,对无线传感器网络的研究得到了极大的发展。无线传感器网络在从智能家居到医疗保健等各个领域发挥着重要作用。无线传感器网络在偏远地区独立运行。由于这种类型的网络中节点的尺寸很小,它们在能量和功率方面的资源数量有限。基本上,传感器网络可以分为平面无线传感器网络和基于集群的无线传感器网络。而基于聚类的传感器网络在降低无线传感器网络的能耗方面发挥着重要作用。聚类也着重于解决No.;在数据传输过程中产生的S。集群将节点分组到集群中,并为网络中的所有集群选择簇头。然后节点感知数据并将该数据发送到集群头,在那里将发生数据聚合。本文重点介绍了各种提高网络生存期的新型聚类技术。
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引用次数: 0
Sum Rate Maximization and Consistency in D2D Communication Based on ACO and Game Theory 基于蚁群算法和博弈论的D2D通信和速率最大化与一致性
Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-11 DOI: 10.32985/ijeces.14.7.2
Amel Austine, Suji Pramila R
Cellular network is the most popular network setup among today’s wireless communication systems. The primary resource in a cellular system is the spectrum for communication, and owing to the rising number of cellular users, the spectrum that is currently accessible from different service providers is depleting quickly. The resource or channel allocation is the most hindering task in cellular networks. Many efforts have been taken by many researchers to allocate the resources properly in order to increase the channel utilization and it is found that one effective method for reusing the channels inside a cell is device to device (D2D) communication. D2D communication was first developed in order to achieve the fundamental goals of fast data rates, widespread coverage with little latency, energy efficiency, and low per-information transmission costs. The dynamic behaviour of this network set-up again increases the risk of different types of interferences, which is another issue faced by the researchers. In this paper an effort is taken to understand and solve various aspects of channel allocation and Cellular networks have incorporated interference management in D2D communication especially. The two major issues of allocation of resource and management of interference in D2D communication is addressed here. This paper considers the meta heuristic algorithm namely Ant Colony Optimization (ACO) for resource allocation issue and interference management. The sum rate maximization is achieved through Game theory along with the concept of resource exchange in turn to increase the consistency of D2D communication setup. The results demonstrate that our algorithm can significantly increase the sum rate of D2D pairs when compared to other algorithms suggested by related works.
蜂窝网络是当今无线通信系统中最流行的网络设置。蜂窝系统中的主要资源是用于通信的频谱,由于蜂窝用户数量的增加,目前可从不同服务提供商获得的频谱正在迅速耗尽。在蜂窝网络中,资源或信道的分配是最困难的任务。为了提高信道利用率,许多研究人员进行了许多努力,并发现一种有效的复用单元内信道的方法是设备对设备(D2D)通信。D2D通信最初是为了实现快速数据速率、广泛覆盖、低延迟、能源效率和低每条信息传输成本的基本目标而开发的。这种网络设置的动态行为再次增加了不同类型干扰的风险,这是研究人员面临的另一个问题。本文试图理解和解决信道分配的各个方面,特别是蜂窝网络在D2D通信中引入了干扰管理。本文讨论了D2D通信中资源分配和干扰管理两个主要问题。本文提出了一种元启发式算法——蚁群优化算法来解决资源分配问题和干扰管理问题。通过博弈论和资源交换的概念实现和速率最大化,从而增加D2D通信设置的一致性。结果表明,与其他相关算法相比,我们的算法可以显著提高D2D对的和速率。
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引用次数: 0
Sprinkler Irrigation Automation System to Reduce the Frost Impact Using Machine Learning 利用机器学习减少霜冻影响的喷灌自动化系统
Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-11 DOI: 10.32985/ijeces.14.7.8
Ricardo Yauri, Oscar Llerena, Jorge Santiago, Jean Gonzales
Frosts reduce the ambient temperature to the freezing point of water, affecting the agricultural sector and the integrity of plant tissues, severely damaged by freezing, destroying plant cells. In addition, losses are generated in the economy due to the death of cattle due to cold, hunger, diseases, etc. Latin America is a region that depends, to a considerable extent, on its crops for its consumption and export, so frost represents an urgent problem to solve, considering that in Perú the area of agriculture is not technical. Among the methods most used by farmers is anticipated irrigation, through automatic learning techniques, which allows predicting the behavior of a variable based on previous historical data. In this paper, sprinkler irrigation is implemented in crops exposed to frost, using an automated system with machine learning techniques and prediction models. Therefore, three types of models are evaluated (linear regression, random forests, and decision trees) to predict the occurrence of frosts, reducing damage to plants. The results show that the protection activation indicator from 1.1°C to 1.7°C was updated to decrease the number of false positives. On the three models evaluated, it is determined that the most accurate method is the Random Forest Regression method, which has 80.91% reliability, absolute mean error, and mean square error close to zero.
霜冻将环境温度降低到水的冰点,影响农业部门和植物组织的完整性,严重受损,破坏植物细胞。此外,牛群因寒冷、饥饿、疾病等死亡,也给经济造成损失。拉丁美洲是一个在很大程度上依赖其消费和出口作物的地区,因此霜冻是一个急需解决的问题,因为在Perú农业领域不是技术性的。农民最常用的方法是通过自动学习技术预测灌溉,该技术可以根据以前的历史数据预测变量的行为。在本文中,使用具有机器学习技术和预测模型的自动化系统,对暴露于霜冻的作物实施喷灌。因此,评估了三种类型的模型(线性回归,随机森林和决策树)来预测霜冻的发生,减少对植物的损害。结果表明,保护激活指标从1.1℃更新到1.7℃,减少了误报次数。在评估的三个模型中,确定最准确的方法是随机森林回归方法,其信度为80.91%,绝对平均误差,均方误差接近于零。
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引用次数: 1
A Lightweight Island Model for the Genetic Algorithm over GPGU GPGU上遗传算法的轻量级孤岛模型
Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-09-11 DOI: 10.32985/ijeces.14.7.3
Mohammad Alraslan, Ahmad Hilal AlKurdi
This paper presents a parallel approach of the genetic algorithm (GA) over the Graphical Processing Unit (GPU) to solve the Traveling Salesman Problem (TSP). Since the earlier studies did not focus on implementing the island model in a persistent way, this paper introduces an approach, named Lightweight Island Model (LIM), that aims to implement the concept of persistent threads in the island model of the genetic algorithm. For that, we present the implementation details to convert the traditional island model, which is separated into multiple kernels, into a computing paradigm based on a persistent kernel. Many synchronization techniques, including cooperative groups and implicit synchronization, are discussed to reduce the CPU-GPU interaction that existed in the traditional island model. A new parallelization strategy is presented for distributing the work among live threads during the selection and crossover steps. The GPU configurations that lead to the best possible performance are also determined. The introduced approach will be compared, in terms of speedup and solution quality, with the traditional island model (TIM) as well as with related works that concentrated on suggesting a lighter version of the master-slave model, including switching among kernels (SAK) and scheduled light kernel (SLK) approaches. The results show that the new approach can increase the speed-up to 27x over serial CPU, 4.5x over the traditional island model, and up to 1.5–2x over SAK and SLK approaches.
提出了一种基于图形处理单元(GPU)的遗传算法并行求解旅行商问题(TSP)的方法。由于早期的研究没有关注以持久的方式实现岛模型,本文引入了一种名为轻量级岛模型(Lightweight island model, LIM)的方法,旨在在遗传算法的岛模型中实现持久线程的概念。为此,我们提出了将传统的岛模型(划分为多个核)转换为基于持久核的计算范式的实现细节。为了减少传统孤岛模型中存在的CPU-GPU交互,讨论了多种同步技术,包括协作组和隐式同步。提出了一种新的并行化策略,用于在选择和交叉步骤中在活动线程之间分配工作。还确定了导致最佳性能的GPU配置。在加速和解决方案质量方面,将介绍的方法与传统岛模型(TIM)以及专注于建议主从模型的轻量级版本的相关工作进行比较,包括在内核之间切换(SAK)和调度轻内核(SLK)方法。结果表明,该方法比串行CPU提高了27倍,比传统孤岛模型提高了4.5倍,比SAK和SLK方法提高了1.5-2x。
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引用次数: 0
Achieving Information Security by multi-Modal Iris-Retina Biometric Approach Using Improved Mask R-CNN 基于改进掩模R-CNN的多模式虹膜视网膜生物识别方法实现信息安全
IF 1.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-07-12 DOI: 10.32985/ijeces.14.6.5
Mohamed A. El-Sayed, Mohammed A. Abdel- Latif
The need for reliable user recognition (identification/authentication) techniques has grown in response to heightened security concerns and accelerated advances in networking, communication, and mobility. Biometrics, defined as the science of recognizing an individual based on his or her physical or behavioral characteristics, is gaining recognition as a method for determining an individual's identity. Various commercial, civilian, and forensic applications now use biometric systems to establish identity. The purpose of this paper is to design an efficient multimodal biometric system based on iris and retinal features to assure accurate human recognition and improve the accuracy of recognition using deep learning techniques. Deep learning models were tested using retinographies and iris images acquired from the MESSIDOR and CASIA-IrisV1 databases for the same person. The Iris region was segmented from the image using the custom Mask R-CNN method, and the unique blood vessels were segmented from retinal images of the same person using principal curvature. Then, in order to aid precise recognition, they optimally extract significant information from the segmented images of the iris and retina. The suggested model attained 98% accuracy, 98.1% recall, and 98.1% precision. It has been discovered that using a custom Mask R-CNN approach on Iris-Retina images improves efficiency and accuracy in person recognition.
随着安全问题的加剧和网络、通信和移动性的加速发展,对可靠的用户识别(识别/身份验证)技术的需求也在增长。生物识别学被定义为根据个人的身体或行为特征识别个人的科学,作为一种确定个人身份的方法,它正在获得认可。各种商业、民用和法医应用现在都使用生物识别系统来确定身份。本文的目的是设计一种基于虹膜和视网膜特征的高效多模式生物识别系统,以确保准确的人类识别,并使用深度学习技术提高识别的准确性。使用从同一个人的MESSIDOR和CASIA-IrisV1数据库获取的视网膜电图和虹膜图像来测试深度学习模型。使用自定义Mask R-CNN方法从图像中分割虹膜区域,并使用主曲率从同一个人的视网膜图像中分割独特的血管。然后,为了帮助精确识别,他们从虹膜和视网膜的分割图像中最佳地提取重要信息。该模型的准确率为98%,召回率为98.1%,准确率为98.1%。已经发现,在虹膜视网膜图像上使用定制的Mask R-CNN方法可以提高人识别的效率和准确性。
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引用次数: 0
A Feasible MPPT Algorithm for the DC/DC Boost Converter 一种可行的DC/DC升压变换器MPPT算法
IF 1.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-07-12 DOI: 10.32985/ijeces.14.6.11
Hong Thanh Pham, Le Van Dai
One of the most promising forms of renewable energy is solar energy. However, efficient exploitation of this energy form is a topic of great interest, especially in obtaining the maximum amount of power from the solar photovoltaic (PV) system under changing environmental conditions. To solve this problem, it is necessary to propose an optimal algorithm. Therefore, this paper presents a feasible maximum power point tracking (MPPT) technique for DC/DC boost converters applied in load-connected stand-alone PV systems to extract the maximum available power. This proposed method is based on the combination of the modified perturb and observe (P&O) and fractional open circuit voltage (FOCV) algorithms. The effectiveness of the proposed technique is verified via time-domain simulation of the load-connected stand-alone PV system using PSIM software. The simulation results show a tracking efficiency with an average value of 99.85%, 99.87%, and 99.96% for tracking the MPP under varying loads, irradiation, and simultaneously varying temperature, load, and irradiation, respectively. In addition, tracking time is always stable at 0.02 sec for changing weather conditions in the large range. Therefore, the results of the proposed method indicate advantages compared to the conventional method.
最有前途的可再生能源之一是太阳能。然而,这种能源形式的有效利用是一个非常有趣的话题,特别是在不断变化的环境条件下从太阳能光伏(PV)系统获得最大电量。为了解决这一问题,有必要提出一种最优算法。因此,本文提出了一种可行的DC/DC升压变换器最大功率点跟踪(MPPT)技术,用于提取最大可用功率。该方法结合了改进的扰动和观察(P&O)算法和分数开路电压(FOCV)算法。利用PSIM软件对负载连接的独立光伏系统进行时域仿真,验证了该技术的有效性。仿真结果表明,在变负荷、辐照和同时变温度、变负荷、变辐照条件下,MPP的平均跟踪效率分别为99.85%、99.87%和99.96%。此外,在大范围内变化的天气条件下,跟踪时间始终稳定在0.02秒。因此,与传统方法相比,该方法具有明显的优势。
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引用次数: 0
A Privacy-Preserving Framework Using Hyperledger Fabric for EHR Sharing Applications 一种基于Hyperledger结构的EHR共享应用隐私保护框架
IF 1.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-07-12 DOI: 10.32985/ijeces.14.6.6
V. Thakkar, Vrushank Shah
Electronic Health Records, or EHRs, include private and sensitive information of a patient. The privacy of personal healthcare data can be protected through Hyperledger Fabric, a permissioned blockchain framework. A few Hyperledger Fabric- integrated EHR solutions have emerged in recent years. However, none of them implements the privacy-preserving techniques of Hyperledger Fabric to make transactions anonymous or preserve the transaction data privacy during the consensus. Our proposed architecture is built on Hyperledger Fabric and its privacy-preserving mechanisms, such as Identity Mixer, Private Data Collections, Channels and Transient Fields to securely store and transfer patient-sensitive data while providing anonymity and unlinkability of transactions.
电子健康记录(Electronic Health Records,简称ehr)包含患者的私人和敏感信息。个人医疗数据的隐私可以通过Hyperledger Fabric(一个经过许可的区块链框架)得到保护。近年来出现了一些集成了超级账本结构的电子病历解决方案。然而,它们都没有实现超级账本结构的隐私保护技术,使交易匿名或在共识期间保护交易数据隐私。我们提出的架构建立在超级账本结构及其隐私保护机制(如身份混合器、私有数据集合、通道和瞬态字段)之上,以安全地存储和传输患者敏感数据,同时提供交易的匿名性和不可链接性。
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引用次数: 0
Illustration of the voltage stability by using the slope of the tangent vector component 用切矢量分量的斜率说明电压的稳定性
IF 1.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-07-12 DOI: 10.32985/ijeces.14.6.12
Agron Bislimi
This Paper is dedicated to the analysis of the evolution of the tangent vector during the Continuous Power Flow (CPF) iterations. The flow of the tangent slope (measured in degrees) is shown through the coefficient of lambda tangent vector component and the maximum voltage tangent vector component. A 17 Node Network was used for the purposes of this Paper. The system was modelled in MATLAB software. The admittance matrix of the node voltage equations was formulated and the functions in MATLAB were developed for the systematic formation of the node admittance matrix. Equations for the calculated network were generated in MATLAB. 32 Iterations were performed. Iterations and corrections of iterations were done manually. Firstly, the results for the tangent vectors calculated through the CPF program were compared to the results for the tangents directly calculated with mathematical formula for the tangent, and both results match. The chart, which contains the classical PV curve and the flow of tangent vectors during the CPF iterations, was developed based on the results obtained. The increase in the slope of the tangent in the PV diagram imposes a clear numerical stability limit by specifying an angle limit value, which can be used to trigger an alarm. In addition to the classic Power-Voltage (PV) curve, this serves as an additional indicator for ensuring voltage stability of the examined system.
本文致力于分析连续潮流(CPF)迭代过程中切向量的演变。正切斜率的流量(以度为单位测量)通过λ正切矢量分量和最大电压正切矢量分量的系数来表示。本文使用了一个17节点网络。该系统在MATLAB软件中建模。建立了节点电压方程的导纳矩阵,并开发了MATLAB中的函数,系统地形成了节点导纳矩阵。计算网络的方程是在MATLAB中生成的。进行了32次迭代。迭代和迭代的校正是手动完成的。首先,将通过CPF程序计算的切线矢量的结果与通过切线数学公式直接计算的切线的结果进行比较,并且两个结果相匹配。该图表包含了经典的PV曲线和CPF迭代过程中的切向量流,是基于所获得的结果开发的。PV图中切线斜率的增加通过指定角度限值施加了明确的数值稳定性限值,该值可用于触发警报。除了经典的功率-电压(PV)曲线外,这也是确保被检查系统电压稳定性的额外指标。
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引用次数: 0
Generic Paddy Plant Disease Detector (GP2D2) 通用水稻病害检测仪(GP2D2)
IF 1.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-07-12 DOI: 10.32985/ijeces.14.6.4
S. Prathima, Praveena N G, Sivachandar K, Srigitha S Nath, Sarala B
Rice is the primary food for almost half of the world’s population, especially for the people of Asian countries. There is a demand to improve the quality and increase the quantity of rice production to meet the food requirements of the increasing population. Bulk cultivation and quality production of crops need appropriate technology assistance over manual traditional methods. In this work, six popular Deep-CNN architectures, namely AlexNet, VGG-19, VGG-16, InceptionV3, MobileNet, and ResNet-50, are exploited to identify the diseases in paddy plants since they outperform most of the image classification applications. These CNN models are trained and tested with Plant Village dataset for classifying the paddy plant images into one of the four classes namely, Healthy, Brown Spot, Hispa, or Leaf Blast, based on the disease condition. The performance of the chosen architectures is compared with different hyper parameter settings. AlexNet outperformed other convolutional neural networks (CNNs) in this multiclass classification task, achieving an accuracy of 89.4% at the expense of a substantial number of network parameters, indicating the large model size of AlexNet. For developing mobile applications, the ResNet-50 architecture was adopted over other CNNs, since it has a comparatively smaller number of network parameters and a comparable accuracy of 86.1%. A fine-tuned ResNet-50 architecture supported mobile app, “Generic Paddy Plant Disease Detector (GP2D2)” has been developed for the identification of most commonly occurring diseases in paddy plants. This tool will be more helpful for the new generation of farmers in bulk cultivation and increasing the productivity of paddy. This work will give insight into the performance of CNN architectures in rice plant disease detection task and can be extended to other plants too.
大米是世界上近一半人口的主要食物,尤其是亚洲国家的人民。为了满足不断增长的人口对粮食的需求,人们需要提高稻米的质量和产量。与手工传统方法相比,大规模种植和高质量生产作物需要适当的技术援助。在这项工作中,六个流行的Deep-CNN架构,即AlexNet, VGG-19, VGG-16, InceptionV3, MobileNet和ResNet-50,被用来识别水稻植物的疾病,因为它们优于大多数图像分类应用。这些CNN模型使用Plant Village数据集进行训练和测试,根据病害情况将水稻植物图像分为健康、褐斑、Hispa或叶枯病四类之一。在不同的超参数设置下,比较了所选架构的性能。在这个多类分类任务中,AlexNet优于其他卷积神经网络(cnn),在牺牲大量网络参数的情况下,达到了89.4%的准确率,这表明AlexNet的模型规模很大。对于开发移动应用程序,ResNet-50架构比其他cnn采用,因为它具有相对较少的网络参数和86.1%的可比性。开发了一款支持ResNet-50架构的移动应用程序“Generic Paddy Plant Disease Detector (GP2D2)”,用于识别水稻植物中最常见的疾病。该工具将更有助于新一代农民进行批量种植,提高水稻产量。这项工作将深入了解CNN架构在水稻植物病害检测任务中的性能,并可以扩展到其他植物。
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引用次数: 0
Gradient-adaptive Nonlinear Sharpening for Dental Radiographs 牙科x线片的梯度自适应非线性锐化
IF 1.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-07-12 DOI: 10.32985/ijeces.14.6.8
Manoj T Joy, B. Priestly Shan, Geevarghese Titus
Unsharp Masking is a popular image processing technique used for improving the sharpness of structures on dental radiographs. However, it produces overshoot artefact and intolerably amplifies noise. On radiographs, the overshoot artefact often resembles the indications of prosthesis misfit, pathosis, and pathological features associated with restorations. A noise- robust alternative to the Unsharp Masking algorithm, termed Gradient-adaptive Nonlinear Sharpening (GNS) which is free from overshoot and discontinuity artefacts, is proposed in this paper. In GNS, the product of the arbitrary scalar termed as ‘scale’ and the difference between the output of the Adaptive Edge Smoothing Filter (AESF) and the input image, weighted by the normalized gradient magnitude is added to the input image. AESF is a locally-adaptive 2D Gaussian smoothing kernel whose variance is directly proportional to the local value of the gradient magnitude. The dataset employed in this paper is downloaded from the Mendeley data repository having annotated panoramic dental radiographs of 116 patients. On 116 dental radiographs, the values of Saturation Evaluation Index (SEI), Sharpness of Ridges (SOR), Edge Model Based Contrast Metric (EMBCM), and Visual Information Fidelity (VIF) exhibited by the Unsharp Masking are 0.0048 ± 0.0021, 4.4 × 1013 ± 3.8 × 1013, 0.2634 ± 0.2732 and 0.9898 ± 0.0122. The values of these quality metrics corresponding to the GNS are 0.0042 ± 0.0017, 2.2 × 1013 ± 1.8 × 1013, 0.5224 ± 0.1825, and 1.0094 ± 0.0094. GNS exhibited lower values of SEI and SOR and higher values of EMBCM and VIF, compared to the Unsharp Masking. Lower values of SEI and SOR, respectively indicate that GNS is free from overshoot artefact and saturation and the quality of edges in the output images of GNS is less affected by noise. Higher values of EMBCM and VIF, respectively confirm that GNS is free from haloes as it produces thin and sharp edges and the sharpened images are of good information fidelity.
Unsharp Masking是一种流行的图像处理技术,用于提高牙科射线照片上结构的清晰度。然而,它会产生过冲伪影,并不可容忍地放大噪声。在射线照片上,超调伪影通常类似于假体失配、病理学和与修复相关的病理学特征的指示。本文提出了一种抗噪声的非锐化掩模算法,称为梯度自适应非线性锐化(GNS),它不存在过冲和不连续伪影。在GNS中,被称为“尺度”的任意标量与自适应边缘平滑滤波器(AESF)的输出与输入图像之间的差的乘积(通过归一化梯度幅度加权)被添加到输入图像。AESF是局部自适应的2D高斯平滑内核,其方差与梯度幅度的局部值成正比。本文中使用的数据集是从Mendeley数据库下载的,该数据库具有116名患者的注释全景牙科射线照片。在116张牙片上,Unsharp Masking显示的饱和度评估指数(SEI)、山脊清晰度(SOR)、基于边缘模型的对比度度量(EMBCM)和视觉信息保真度(VIF)分别为0.0048±0.0021、4.4×1013±3.8×1013、0.2634±0.2732和0.9898±0.0122。与GNS相对应的这些质量指标的值分别为0.0042±0.0017、2.2×1013±1.8×1013、0.5224±0.1825和1.0094±0.0094。与Unsharp掩模相比,GNS表现出较低的SEI和SOR值以及较高的EMBCM和VIF值。SEI和SOR的较低值分别表明GNS没有过冲伪影和饱和,并且GNS的输出图像中的边缘质量较少受到噪声的影响。EMBCM和VIF的较高值分别证实了GNS没有光晕,因为它产生了薄而尖锐的边缘,并且锐化的图像具有良好的信息保真度。
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引用次数: 0
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