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A Heuristic Neural Network Structure Relying on Fuzzy Logic for Images Scoring

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journal contribution
posted on 2020-02-26, 12:36 authored by Cheng Kang, Xiang Yu, Shui-Hua Wang, David Guttery, Hari Pandey, Yingli Tian, Yudong Zhang
Traditional deep learning methods are sub-optimal in classifying ambiguity features, which often arise in noisy and hard to predict categories, especially, to distinguish semantic scoring. Semantic scoring, depending on semantic logic to implement evaluation, inevitably contains fuzzy description and misses some concepts, for example, the ambiguous relationship between normal and probably normal always presents unclear boundaries (normal − more likely normal - probably normal). Thus, human error is common when annotating images. Differing from existing methods that focus on modifying kernel structure of neural networks, this study proposes a dominant fuzzy fully connected layer (FFCL) for Breast Imaging Reporting and Data System (BI-RADS) scoring and validates the universality of this proposed structure. This proposed model aims to develop complementary properties of scoring for semantic paradigms, while constructing fuzzy rules based on analyzing human thought patterns, and to particularly reduce the influence of semantic conglutination. Specifically, this semantic-sensitive defuzzier layer projects features occupied by relative categories into semantic space, and a fuzzy decoder modifies probabilities of the last output layer referring to the global trend. Moreover, the ambiguous semantic space between two relative categories shrinks during the learning phases, as the positive and negative growth trends of one category appearing among its relatives were considered. We first used the Euclidean Distance (ED) to zoom in the distance between the real scores and the predicted scores, and then employed two sample t test method to evidence the advantage of the FFCL architecture. Extensive experimental results performed on the CBIS-DDSM dataset show that our FFCL structure can achieve superior performances for both triple and multiclass classification in BI-RADS scoring, outperforming the state-of-the-art methods.


Hope Foundation for Cancer Research; Royal Society International Exchanges Cost Share Award; Medical Research Council Confidence in Concept MRC CIC Award;



IEEE Transactions on Fuzzy Systems, DOI: 10.1109/TFUZZ.2020.2966163

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School of Informatics


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IEEE Transactions on Fuzzy Systems


Institute of Electrical and Electronics Engineers (IEEE)





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