PMC:7782580 / 48459-48682 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T358","span":{"begin":0,"end":223},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Multiple drawing tools were provided to annotate the lesion area in the images, including a rectangle tool for drawing a bounding box around the target, a polygon tool for outlining the target, and a circle tool the target."}