PMC:7782580 / 12217-12377 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T88","span":{"begin":0,"end":160},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We converted the original grayscale images to color images using the open-source image processing tools Open Source Computer Vision Library (OpenCV) and Pillow."}