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2021 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)最新文献

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FuzzyDCNN: Incorporating Fuzzy Integral Layers to Deep Convolutional Neural Networks for Image Segmentation FuzzyDCNN:基于模糊积分层的深度卷积神经网络图像分割
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494456
Qiao Lin, Xin Chen, Chao Chen, J. Garibaldi
Convolutional neural networks (CNNs) have achieved the state-of-the-art performance in many application areas, due to the capability of automatically extracting and aggregating spatial and channel-wise features from images. Most recent studies have concentrated on modifying convolutional kernel size to achieve multi-scale spatial information. In this paper, we introduce a novel fuzzy integral module to the CNNs for fusing the information across feature channels. The fuzzy integral is a mathematical aggregation operator and is widely used in decision level fusion. Herein, we utilize a special case of fuzzy integrals namely ordered weight averaging (OWA) to merge information at feature level. Three publicly available datasets were used to evaluate the proposed fuzzy CNN model for image segmentation. The results show that the proposed fuzzy module helps in reducing the baseline model parameters by 58.54% while producing higher segmentation accuracy (measured by Dice) than the baseline method and a similar method reported in the literature.
卷积神经网络(cnn)由于能够自动提取和聚合图像的空间和通道特征,在许多应用领域取得了最先进的性能。最近的研究主要集中在修改卷积核的大小来获得多尺度的空间信息。本文在cnn中引入了一种新的模糊积分模块,用于融合特征通道间的信息。模糊积分是一种广泛应用于决策级融合的数学聚合算子。在这里,我们利用模糊积分的一种特殊情况,即有序权值平均(OWA)来合并特征级的信息。使用三个公开可用的数据集来评估所提出的模糊CNN模型用于图像分割。结果表明,所提出的模糊模块将基线模型参数减少了58.54%,同时产生了比基线方法和文献中报道的类似方法更高的分割精度(以Dice衡量)。
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引用次数: 1
Nearest Neighbor Tests for Fuzzy Data 模糊数据的最近邻测试
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494432
P. Grzegorzewski, Oliwia Gadomska
A new statistical goodness-of-fit for comparing distributions of two or more populations and based on fuzzy data is proposed. Its idea goes back to the k-nearest neighbor technique applied in pattern recognition, where it simply consists in classifying an object by the majority vote of its neighbors. In our paper we show that by an appropriate test statistic construction which counts the number of nearest neighbors between and within samples it is possible to check whether available fuzzy samples come or not from the same distribution. It is worth underlying that the suggested testing procedure is completely distribution-free which seems to be of extreme importance in statistical reasoning with fuzzy data. Our test proposal is completed with a study of its properties and a case study related to quality assessment.
提出了一种新的统计拟合优度,用于比较两个或两个以上总体的分布,并基于模糊数据。它的思想可以追溯到模式识别中应用的k近邻技术,它只是通过其邻居的多数投票对对象进行分类。在我们的论文中,我们证明了通过一个适当的检验统计量构造,计算样本之间和样本内部的最近邻的数量,可以检查可用的模糊样本是否来自同一分布。值得注意的是,建议的测试过程是完全无分布的,这在模糊数据的统计推理中似乎是极其重要的。我们的测试建议是通过对其属性的研究和与质量评估相关的案例研究来完成的。
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引用次数: 1
Interpolative decisions in the fuzzy signature based image classification for liver CT 基于模糊特征的肝脏CT图像分类中的插值决策
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494401
F. Lilik, S. Nagy, Melinda Kovács, S. Szujó, L. Kóczy
In computer aided diagnostics image processing and classification plays an essential role. Image processing experts have been developing solutions for different types of problems, that can be related to image processing, however, due to the sensitivity of the data and the high cost of medical experts, these experimental methods usually have very limited use in real medical practice. The databases that are available are very limited, thus the elsewhere usual and extremely effective convolutional neural network or other automated learning methods are not so easy to adjust for medical image processing. To overcome this difficulty, this paper presents an expert knowledge based method which describes the decision structures by fuzzy signatures. Values of various properties of Computer Tomography images as e.g. density or homogeneity are being considered in these signatures that are different in all case of liver diseases. Because of the low number of samples available, fuzzy sets that describes the leafs of the signatures leads to sparse systems, hence interpolation is needed. However further investigations of other interpolation methods are planned, Stabilized Koczy-Hirota interpolation seems to be appropriate.
在计算机辅助诊断中,图像处理和分类起着至关重要的作用。图像处理专家一直在为不同类型的问题开发解决方案,这些问题可能与图像处理有关,然而,由于数据的敏感性和医学专家的高成本,这些实验方法在实际医疗实践中的应用通常非常有限。可用的数据库非常有限,因此其他常用且非常有效的卷积神经网络或其他自动学习方法不太容易调整用于医学图像处理。为了克服这一困难,本文提出了一种基于专家知识的模糊特征描述决策结构的方法。计算机断层扫描图像的各种属性值,例如密度或均匀性,在这些特征中被考虑在所有肝脏疾病的情况下是不同的。由于可用样本数量少,描述特征叶的模糊集导致稀疏系统,因此需要插值。然而,其他插值方法的进一步研究计划,稳定的Koczy-Hirota插值似乎是合适的。
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引用次数: 1
Novel ELICIT Information-based MOORA Approach for Vertical Farming Technology Assessment 基于诱导信息的新型MOORA垂直农业技术评价方法
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494406
G. Büyüközkan, Deniz Uztürk
Urban agriculture/farming is a promising solution for cities, yet it cannot exist horizontally in urban areas, so the vertical farming (VF) approach is suggested. VF produces food and medicine in vertically stacked layers, vertically inclined surfaces, and/or integrated into other structures. Accordingly, this paper aims to present a novel ELICIT MOORA method for VF technology assessment. The MOORA model, which supplies fast and easy decision-making environments to practitioners, is modified to emphasize its benefits with linguistic variables. Extended Comparative Linguistic Expressions with Symbolic Translation (ELICIT) model is suggested to extend the MOORA thanks to its several advantages such as interpretability of the results, providing an assessment environment closer to the way of human thinking. Moreover, a case study about an organic farm from Turkey is presented with the comparative results and discussions.
城市农业/农业是一个很有前途的解决方案,但它不能在城市地区横向存在,因此建议采用垂直农业(VF)方法。VF生产食品和药品在垂直堆叠层,垂直倾斜的表面,和/或集成到其他结构。因此,本文旨在提出一种用于VF技术评估的新型引出MOORA方法。对MOORA模型进行了改进,强调了其在语言变量方面的优势,该模型为从业者提供了快速简便的决策环境。扩展比较语言表达与符号翻译(Extended Comparative Linguistic Expressions with Symbolic Translation,简称ELICIT)模型具有结果可解释性、评估环境更接近人类思维方式等优点,可作为MOORA的扩展。此外,本文还以土耳其一家有机农场为例进行了对比研究和讨论。
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引用次数: 2
Rule Simplification Method Based on Covering Indexes for Fuzzy Classifiers 基于覆盖指标的模糊分类器规则简化方法
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494545
A. Gersnoviez, I. Baturone
A large number of rules increases the complexity of fuzzy classifiers and reduces the linguistic interpretability of the classification. A tabular rule simplification method that extends the Quine-McCluskey algorithm of Boolean design to fuzzy logic is analyzed in detail in this paper. The method obtains a few compound rules from many initial atomic rules. The influence of membership functions as well as t-norms and s-norms operands, which can be even null if many atomic rules are used, becomes apparent in the classification regions (decision boundaries) induced by the compound rules. Since the compound rules can be ordered according to the covering indexes that measure the number of atomic rules covered, more or less generic classification rules and rules with particular indexes can be further identified, which could ease subsequent classification or decision-making.
大量的规则增加了模糊分类器的复杂性,降低了分类的语言可解释性。本文详细分析了一种将布尔设计的Quine-McCluskey算法扩展到模糊逻辑的表规则化简方法。该方法从许多初始原子规则中得到一些复合规则。隶属函数以及t-范数和s-范数操作数的影响在由复合规则引起的分类区域(决策边界)中变得明显,如果使用许多原子规则,这些操作数甚至可以为null。由于复合规则可以根据度量所覆盖的原子规则数量的覆盖索引进行排序,因此可以进一步识别或多或少的通用分类规则和具有特定索引的规则,这可以简化后续的分类或决策。
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引用次数: 1
A Fuzzy Rule-based System using a Patch-based Approach for Semantic Segmentation in Floor Plans 基于模糊规则的平面图语义分割系统
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494427
Hugo Leon-Garza, H. Hagras, A. Peña-Ríos, A. Conway, G. Owusu
Semantic segmentation models help with the extraction of information from images. Currently, Convolutional Neural Networks (CNNs) are the state of the art for performing such tasks but the interpretability in their predictions is low. Previous work had proposed the use of Fuzzy Logic Rule-based systems (FRBS) as an explainable AI classifier of pixels for segmentation of images. In this paper, we extend that approach by using the similarity between image patches as context information for our model. The type-1 FRBS that uses the proposed set of context information features reaches an average Intersection over Union (IoU) value 3.51% higher than the type-1 FRBS using colour information. The difference in average IoU is significant due to the importance of colour in the testing images and the already high IoU value from the type-1 FRBS using colour.
语义分割模型有助于从图像中提取信息。目前,卷积神经网络(cnn)是执行此类任务的最新技术,但其预测的可解释性很低。以前的工作已经提出使用基于模糊逻辑规则的系统(FRBS)作为图像分割像素的可解释人工智能分类器。在本文中,我们通过使用图像补丁之间的相似性作为我们模型的上下文信息来扩展该方法。使用所提出的上下文信息特征集的1型FRBS达到的平均IoU值比使用颜色信息的1型FRBS高3.51%。由于测试图像中颜色的重要性以及使用颜色的1型FRBS已经很高的IoU值,平均IoU的差异是显著的。
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引用次数: 4
Topography-based Fuzzy Assessment of Runoff Area with 3D Spatial Relations 基于地形的三维空间关系径流面积模糊评价
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494395
Clément Iphar, L. Boudet, Jean-Philippe Poli
Fuzzy logic has been successfully used in various crisis management systems. In such systems, the geographical aspect is usually very important and relies on Geographical Information Systems. Most of the approaches are focused on 2D information. In this paper, we use the fuzzy morpho-mathematics framework to define new relations to reason on the topography with a digital terrain model. In particular, we focus on the characterisation of the line of greatest dip. Without loss of generality, we then illustrate those relations on a case of runoff from a building and a terrain.
模糊逻辑已成功地应用于各种危机管理系统中。在这样的系统中,地理方面通常是非常重要的,并依赖于地理信息系统。大多数方法都集中在二维信息上。本文利用模糊形态数学框架,在数字地形模型中定义了新的地形推理关系。特别地,我们关注最大倾角线的特征。在不丧失一般性的情况下,我们以建筑物和地形的径流为例来说明这些关系。
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引用次数: 0
Online Sequential Learning of Fuzzy Measures for Choquet Integral Fusion Choquet积分融合模糊测度的在线顺序学习
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494505
S. Kakula, Anthony J. Pinar, T. Havens, Derek T. Anderson
The Choquet integral (ChI) is an aggregation operator defined with respect to a fuzzy measure (FM). The FM encodes the worth of all subsets of the sources of information that are being aggregated. The ChI is capable of representing many aggregation functions and has found its application in a wide range of decision fusion problems. In our prior work, we introduced a data support-based approach for learning the FM for decision fusion problems. This approach applies a quadratic programming (QP)-based method to train the FM. However, since the FM of ChI scales as $2^{N}$, where $N$ is the number of input sources, the space complexity for learning the FM grows exponentially with $N$. This has limited the practical application of ChI-based decision fusion methods to small numbers of dimenstions—$N$ ≲ 6 is practical in most cases. In this work, we propose an iterative gradient descent-based approach to train the FM for ChI with an efficient method for handling the FM constraints. This method processes the training data, one observation at a time, and thereby significantly reduces the space complexity of the training process. We tested our online method on synthetic and real-world data sets, and compared the performance and convergence behaviour with our previously proposed QP-based method (i.e., batch method). On 10 out of 12 data sets, the online learning method has either matched or outperformed the batch method. We also show that we are able to use larger numbers of inputs with the online learning approach, extending the practical application of the ChI.
Choquet积分(ChI)是一个关于模糊测度(FM)的集合算子。FM对正在聚合的信息源的所有子集的价值进行编码。该算法能够表示多种聚合函数,在决策融合问题中得到了广泛的应用。在我们之前的工作中,我们介绍了一种基于数据支持的决策融合问题FM学习方法。该方法采用基于二次规划(QP)的方法来训练FM。然而,由于ChI的FM尺度为$2^{N}$,其中$N$为输入源的数量,因此学习FM的空间复杂度随着$N$呈指数增长。这限制了基于chi的决策融合方法在少量维度上的实际应用——在大多数情况下,$N$ > 6是实用的。在这项工作中,我们提出了一种基于迭代梯度下降的方法来训练ChI的FM,并用一种有效的方法来处理FM约束。该方法对训练数据进行处理,每次处理一个观测值,从而显著降低了训练过程的空间复杂度。我们在合成数据集和真实数据集上测试了我们的在线方法,并将其性能和收敛行为与我们之前提出的基于qp的方法(即批处理方法)进行了比较。在12个数据集中的10个数据集上,在线学习方法的表现与批处理方法相当或优于批处理方法。我们还表明,通过在线学习方法,我们能够使用更多的输入,扩展了ChI的实际应用。
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引用次数: 1
Bridging the Gap between Atomic and Complex Activities in First Person Video 弥合第一人称视频中原子和复杂活动之间的差距
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494553
Bradley Schneider, Tanvi Banerjee
In this work, we describe a system for classifying activities in first-person video using a fuzzy inference system. Our fuzzy inference system is built on top of traditional object-and motion-based video features and provides a description of activities in terms of multiple fuzzy output variables. We demonstrate the application of the fuzzy system on a well known dataset of unscripted first person videos to classify actions into four categories. Comparing the results to other supervised learning techniques and the state-of-the-art, we find that our fuzzy system outperforms alternatives. Further, the fuzzy outputs have the potential to be much more descriptive than conventional classifiers due to their ability to handle uncertainty and produce explainable results.
在这项工作中,我们描述了一个使用模糊推理系统对第一人称视频中的活动进行分类的系统。我们的模糊推理系统建立在传统的基于对象和运动的视频特征之上,并根据多个模糊输出变量提供活动描述。我们演示了模糊系统在一个众所周知的无脚本第一人称视频数据集上的应用,将动作分为四类。将结果与其他监督学习技术和最先进的技术进行比较,我们发现我们的模糊系统优于其他选择。此外,模糊输出具有比传统分类器更具描述性的潜力,因为它们能够处理不确定性并产生可解释的结果。
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引用次数: 0
New Solution based on Fuzzy System for Planning IoT Communication Infrastructure for Rural Areas 基于模糊系统的农村物联网通信基础设施规划新方案
Pub Date : 2021-07-11 DOI: 10.1109/FUZZ45933.2021.9494578
Jocines D. F. Silveira, Tiago Rocha Martins, Cristiano Neri da Silva, J. V. D. Reis
This paper proposes a Fuzzy system to assist in the decision making of the deployment plan for the Internet of Things (IoT) communication infrastructure for effective exchange of information between devices (sensors, actuators, controllers, among others) in the Smart Farming scenario. The system offers great potential to assist managers to choose the implementation between the LoRaWAN, LoRaMesh or hybrid technologies, as well reflect on service quality, reduction of implantation costs, sensing and performance of devices in the rural scenario. These technologies were implemented in a real scenario in order to obtain the basis for the rules of the proposed Fuzzy system. The scenario adopted for data validation is a rural area of 162 ha located at the Center of Agricultural Sciences (CCA) of the Federal University of Piauí (UFPI), Teresina, Piauí, Brazil. In which assess the performance of technologies and obtain parameters for the Fuzzy system, data were obtained regarding the Received Signal Strength Indicator (RSSI), Signal-to-Noise Ratio (SNR), and the packet loss rate. This resulted in a Fuzzy system capable of recommending among one of the technologies mentioned, helping in the choice of the most appropriate communication infrastructure for a given Smart Farming scenario.
本文提出了一个模糊系统,以协助制定物联网(IoT)通信基础设施的部署计划,以便在智能农业场景中有效地交换设备(传感器,执行器,控制器等)之间的信息。该系统具有很大的潜力,可以帮助管理人员在LoRaWAN、LoRaMesh或混合技术之间进行选择,并反映服务质量、降低植入成本、设备在农村情况下的传感和性能。这些技术在一个真实的场景中实现,以获得所提出的模糊系统规则的基础。数据验证采用的场景是位于巴西Piauí特雷西纳Piauí联邦大学农业科学中心(CCA) 162公顷的农村地区。其中评估技术性能并获得模糊系统参数,获得接收信号强度指标(RSSI)、信噪比(SNR)和丢包率等数据。这就产生了一个模糊系统,它能够在提到的技术中进行推荐,帮助在给定的智能农业场景中选择最合适的通信基础设施。
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引用次数: 1
期刊
2021 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)
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