PMC:7782580 / 51836-52044 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T386","span":{"begin":0,"end":208},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The first convolution layer in the bottom branch consisted of multiple 3 × 3 convolution kernels with a stride of 2 and a padding of 1 to reduce the size of the feature maps when local features were obtained."}