PMC:7782580 / 12304-12450 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T89","span":{"begin":74,"end":131},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"processing tools Open Source Computer Vision Library (OpenCV) and Pillow. Examples of the pseudo-color images are shown in Fig. 1a. We developed a"}