PMC:7782580 / 6287-6626 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T42","span":{"begin":0,"end":339},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Deep learning (DL) methods, especially convolutional neural networks (CNNs), are effective approaches for representation learning using multilayer neural networks22 and have provided excellent performance solutions to many problems in image classification23,24, object detection25, games and decisions26, and natural language processing27."}