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Iranian Journal of Fuzzy Systems، جلد ۱۷، شماره ۲، صفحات ۱۴۷-۱۶۳
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Several new results based on the study of distance measures of intuitionistic fuzzy sets |
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| چکیده انگلیسی مقاله |
It is doubtless that intuitionistic fuzzy set (IFS) theory plays an increasingly important role in solving the problems under uncertain situation. As one of the most critical members in the theory, distance measure is widely used in many aspects. Nevertheless, it is a pity that part of the existing distance measures has some drawbacks in practical significance and accuracy. To make up for their drawbacks and pursue more accuracy and effectiveness, in this paper, we propose a new inclusion relation of IFSs and a new definition called strict distance measure. Based on this new relation, an analysis is given to point out that the common shortcoming of Hamming distance measure and Euclidean distance measure is the mishandling of hesitancy degree. Therefore, the role of hesitancy degree in distance measure is studied deeply and then three strict distance measures are put forward to overcome the above shortcoming. In addition, a novel definition called the characteristic function of distance measure is defined to describe the character of strict distance measure. On this basis, a theorem is presented to illustrate the inevitability of the occurrence of unrecognized result in pattern recognition problems in some special cases. This theorem also shows that the problem cannot be entirely attributed to distance measures. In view of this condition, we provide an appropriate solution. Compared with other existing distance measures in some examples, the superiorities of our improved distance measures are demonstrated to be more effective and more significant. |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
C. Chen |
School of Mathematics, South China University of Technology, Guangzhou, 510640, China
X. Deng |
School of Mathematics, South China University of Technology, Guangzhou, 510640, China
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| نشانی اینترنتی |
http://ijfs.usb.ac.ir/article_5225_c3b0df3eaa33f2919b05d4fd2ec17961.pdf |
| فایل مقاله |
اشکال در دسترسی به فایل - ./files/site1/rds_journals/448/article-448-2311932.pdf |
| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
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