Search Results for author: Qi Peng

Found 4 papers, 0 papers with code

An Improved Automatic Modulation Classification Scheme Based on Adaptive Fusion Network

no code implementations7 Mar 2022 Hao Shi, Qi Peng, Yiqi Zhuang

Moreover, a novel confidence weighted loss function is proposed to address the imbalance issue and it is implemented by a two-stage learning scheme. Through the two-stage learning, AFNet can focus on high-confidence samples with more valid information and extract effective representations, so as to improve the overall classification performance.

Classification valid

A density compensation-based path computing model for measuring semantic similarity

no code implementations3 Jun 2015 Xinhua Zhu, Fei Li, Hongchao Chen, Qi Peng

Therefore, in order to solve the problem of non-uniformity of concept density in a large taxonomic ontology, we propose a new path computing model based on the compensation of local area density of concepts, which is equal to the number of direct hyponyms of the subsumers of concepts in their shortest path.

Semantic Similarity Semantic Textual Similarity

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