Liwen Wang

An online weighted sequential extreme learning machine for class imbalanced data streams

2021 · Journal of Physics Conference Series

Abstract When general online classification algorithms deal with imbalanced data streams, there are always some problems, such as over fitting phenomenon caused by insufficient simple learning and instability of training model. In this paper, we …

Speech error recognition based on broad learning

2021 · Journal of Physics Conference Series

Abstract In recent years, with the increasing popularity of Chinese in the world, more foreigners have begun to learn Chinese. In this regard, this paper studies the phonetic errors in a single sentence, and designs …