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模糊变换

模糊变换的相关文献在1987年到2020年内共计90篇,主要集中在自动化技术、计算机技术、数学、经济计划与管理 等领域,其中期刊论文84篇、会议论文5篇、专利文献59904篇;相关期刊80种,包括经济师、技术经济与管理研究、管理工程学报等; 相关会议5种,包括2008(沈阳)国际安全科学与技术学术研讨会、第五届军事信息软件与仿真学术研讨会、中国系统工程学会模糊数学与模糊系统专业委员会第12届年会等;模糊变换的相关文献由164位作者贡献,包括曾孝文、王惠宇、王正武等。

模糊变换—发文量

期刊论文>

论文:84 占比:0.14%

会议论文>

论文:5 占比:0.01%

专利文献>

论文:59904 占比:99.85%

总计:59993篇

模糊变换—发文趋势图

模糊变换

-研究学者

  • 曾孝文
  • 王惠宇
  • 王正武
  • 王鸿绪
  • 吴小宁
  • 张铁平
  • 沈强
  • 潘昶
  • 郭嗣琮
  • 丁丽萍
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 贺建德
    • 摘要: 关于规划实施评价国内外已经开展了大量研究。当前,土地利用总体规划的实施评价的变化趋势是从以统计时间为断面进行结果判断,向关注多元的过程检测转变;从使用定性分析的方法,向建立指标体系和数学模型使用定量分析的方法转变。运用模糊变换原理和评价模糊系统的模糊综合评判方法(FUZZY),对于用模糊数表示的不确定性评价指标体系有良好的处理能力。本文以某县土地利用总体规划实施评价为例,试图建立一套操作性强、动态的土地利用总体规划实施评价系统,以有效保护土地资源和生态环境,便于地方土地管理部门及时的发现规划实施中的问题。
    • 吴银芳
    • 摘要: 针对融合医学图像在过渡区微小细节及边缘信息不够清晰,边缘容易失真等问题,提出了一种基于模糊变换耦合最大熵值的多模态医学图像融合算法.首先,将待融合图像划分为大小相同的非重叠图像块,引入模糊变换对得到的图像块进行处理得到模糊子块,并利用邻域最大熵融合规则对模糊子块进行融合,获取新的融合子块;然后,将新的融合子块进行逆模糊变换,利用选择最大值融合规则,将逆变换得到的子块进一步融合生成最终融合医学图像.实验结果表明:与当前医学图像融合算法对比,本文算法在主观评价与客观评价指标边缘强度、信息熵、互信息、峰值信噪比上具有更大的优势,其融合图像边缘更加清晰,细节丰富,克服了边缘模糊与伪轮廓,更能够有效完成医学图像融合,实现了多模态医学图像信息互补.
    • 刘娜; 毛晓菊; 吴敏
    • 摘要: 为实现文本的多标签分类,同时降低计算复杂度并保持分类精度,提出基于集群分类映射的文本多标签模糊关联降维聚类方法.利用模糊变换、模糊关联聚类、集群分类映射、阈值查找和应用等技术,构建低维特征的多标签模糊关联分类器的训练和测试阶段,采用模糊相关评价将高维文本转化为低维的模糊关联向量,避免维数灾难问题.所提算法不要求分类区域呈现凸性特征,适用性更广,对其进行了计算复杂度理论分析.在标准测试集上进行对比测试,测试结果验证了该算法在计算复杂度和分类精度上的优势.%For multi label classification of the text,to reduce the computational complexity and maintain the classification accuracy,a text classification was put forward based on multi label fuzzy association dimension reduction clustering method of fuzzy association label.With the fuzzy transformation,fuzzy clustering,cluster classification mapping,threshold search and application,the training phase and testing phase with low dimensional feature for multi label fuzzy associative classifier were constructed,and the fuzzy relational similarity between vectors and text labels was established.The proposed algorithm does not require the classification zone to show convexity characteristic,so it can be widely applicable.The calculation complexity analysis was carried out for the proposed text classification algorithm.Through the comparison in the standard test set,the proposed algorithms show advantages in computational complexity and classification accuracy.
    • 章华东; 史修松
    • 摘要: The fuzzy mathematics, as an important branch of classical mathematics, was used widely in the modern enterprise.Evaluation of the product is subjected to many factors, and needs a method.A fuzzy com-prehensive assessment model based on the fuzzy mathematics is introduced in this paper.Due to the difference of the defined domain between the fuzzy set and fuzzy relationship, it is difficult to take larger value or smaller value.This model leads to poor resolution in the evaluation of the product.Improvement in the method of mem-bership function generates new fuzzy comprehensive evaluation model.Through case studies, it demonstrated that the model in the evaluation of multi-index properties of the products is simple and applicable.%模糊数学的出现,成为经典数学的一个重要分支,在现代企业中的应用非常广泛。企业中产品的评价受到多种因素的影响,对产品的综合评判需要借助于一定的评价方法。基于模糊数学的模糊综合评判模型,由于模糊集和模糊关系所在的论域不同,他们之间的“取大取小”运算失去意义,导致该模型在评价产品时分辨率差;改进该方法中的隶属度函数产生新的模糊综合评判模型。通过案例分析,论证该模型在评价多指标属性的产品时有简单、适用的特点。
    • 杨丽
    • 摘要: 中医对疾病的诊断和治疗原则上是辨证论治,文章用模糊变换的方法对胃脘痛“症-证-方”模型和脾胃虚辨证模型进行了阐述.显示了模糊数学是可以使中医学定量化、科学化的方法.
    • 潘昶
    • 摘要: 针对试验任务中制定设备布站方案、实时数据处理的试验方案等决策问题,介绍了模糊数学相关的概念和基本原理,结合有关具体实例详细说明了应用模糊综合判别的方法对测量设备完成任务的情况进行评估,为后续试验测量设备的选择、布站以及选优方案中设备优先级的设置提供有力的指导及更科学的依据.
    • 吴伟民; 许文锋; 林志毅; 司斯; 阮奕邦
    • 摘要: 针对目前日益严峻的软件保护问题,对现有基于虚拟机的软件保护技术进行分析与研究,对虚拟机保护技术进行了改进,设计了一种增强型虚拟机软件保护技术.采用了虚拟花指令序列与虚拟指令模糊变换技术,并对虚拟机的虚拟指令系统做了改进,从而提高了虚拟机执行的复杂程度与迷惑程度,具有高强度的反逆向、防篡改、防破解的特点.实验分析表明,增强型虚拟机保护技术明显优于普通型虚拟机保护技术.
    • 袁学海; 李洪兴; 杨雪
    • 摘要: 首先针对双输入单输出模糊系统提出了一种模糊变换方法,指出这种模糊变换不仅与单输入和单输出模糊系统有密切的联系,而且利用这种模糊变换构造的模糊系统具有很好的泛逼近性.然后将这种模糊变换应用到模糊推理建模法中,导出了所研究的模糊系统的微分方程模型和状态空间模型,从而给出了一种新的模糊推理建模法.理论分析和仿真实验均表明:利用模糊变换构造的微分方程对所研究的模糊系统具有很好的泛逼近性.
    • 郭凯红; 李文立
    • 摘要: The previous study shows that the evidential reasoning algorithm is an effective and rational method to solve MADM (Multiple Attribute Decision Making) problems under uncertainty. However, the method has constraints that attribute weights should be deterministic and evaluation grades assessing basic attributes and general attributes should be consistent. However, these constraints are not relevant to the actual decision-making problems, especially for basic qualitative attributes. Existing subjective and objective methods have defect for basic attribute weights. Most methods assume that the grade is the same in order to evaluate grades based on basic and general attributes. Therefore, these methods are not effective to assist the decision making process and solve problems.In consideration of the weakness of previous study, this study proposes a method based on the evidential reasoning for MADM under uncertainty with the goal of extending evidential reasoning algorithm into a more general decision environment.The first part is to determine basic attribute weights. We first briefly introduce the evidential reasoning algorithm, discussing two major issues related to its effective application for MADM under uncertainty: (1) how to totally determine basic attribute weights, and (2) how to fully implement the transformation of distributed assessment from basic attributes into general attributes. In addition, we calculate basic attribute weights using the information entropy of decision matrix to solve the first problem. In the second part, we implement the equivalent transformation of distributed assessments from basic attributes into general attributes by assuming that evaluation grades assessing basic attributes and general attributes are not the same.We first fuzz the distributed assessments of basic attributes according to different data types of basic attribute values, and then implement, based on fuzzy transformation theory, the unified form of general distributed assessments by combination of fuzzy distributed assessments of basic attributes with fuzzy relation between evaluation grades assessing basic attributes and general attributes, the second problem solved. Finally, we apply the evidential reasoning algorithm to rank all alternatives. An illustrative example is employed to examine the feasibility and validity of decision-making results based on the present approach.In summary, the evidential reasoning algorithm essentially establishes a nonlinear relationship between an aggregated assessment for a general attribute and an original assessment for basic attributes. The algorithm is still an effective and rational method to solve MADM problems under uncertainty and in an ideal environment. In this paper, we successfully tackle primary issues of the evidential reasoning algorithm that can be extended from an ideal decision environment into a more general decision environment so that the algorithm can resolve more sophisticated decision-making problems.%针对基本属性权重的不确定性,以及基本属性与广义属性评价集的不一致性等问题,提出一种基于证据推理的不确定多属性决策方法,将证据推理算法推广到更一般的决策环境中.根据决策矩阵的信息熵客观地获得属性的权系数;而对于基本属性与广义属性评价集不一致的情况,则通过对基本属性分布评价的模糊化及模糊变换,合理地实现到广义分布评价的统一形式;最后应用证据推理算法得到整个方案集的排序.实例结果表明,该方法是可行的、有效的.
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