{"id":434003,"date":"2026-08-24T17:23:49","date_gmt":"2026-08-24T09:23:49","guid":{"rendered":"https:\/\/library.usj.edu.mo\/?post_type=tnc_col_19837_item&#038;p=434003"},"modified":"2026-08-24T18:33:20","modified_gmt":"2026-08-24T10:33:20","slug":"segmentation-of-ct-scan-images-using-unet-network-for-patients-diagnosed-with-covid-19","status":"publish","type":"tnc_col_19837_item","link":"https:\/\/library.usj.edu.mo\/zh\/scholarly-work-usj\/segmentation-of-ct-scan-images-using-unet-network-for-patients-diagnosed-with-covid-19\/","title":{"rendered":"SEGMENTATION OF CT-SCAN IMAGES USING UNET NETWORK FOR PATIENTS DIAGNOSED WITH COVID-19"},"content":{"rendered":"<p>THE USE OF COMPUTATIONAL TOOLS FOR MEDICAL IMAGE PROCESSING ARE PROMISING TOOLS TO EFFECTIVELY DETECT COVID-19 AS AN ALTERNATIVE TO EXPENSIVE AND TIME-CONSUMING RT-PCR TESTS. FOR THIS SPECIFIC TASK, CXR (CHEST X-RAY) AND CCT (CHEST CT SCANS) ARE THE MOST COMMON EXAMINATIONS TO SUPPORT DIAGNOSIS THROUGH RADIOLOGY ANALYSIS. WITH THESE IMAGES, IT IS POSSIBLE TO SUPPORT DIAGNOSIS AND DETERMINE THE DISEASE\u2019S SEVERITY STAGE. COMPUTERIZED COVID-19 QUANTIFICATION AND EVALUATION REQUIRE AN EFFICIENT SEGMENTATION PROCESS. ESSENTIAL TASKS FOR AUTOMATIC SEGMENTATION TOOLS ARE PRECISELY IDENTIFYING THE LUNGS, LOBES, BRONCHOPULMONARY SEGMENTS, AND INFECTED REGIONS OR LESIONS. SEGMENTED AREAS CAN PROVIDE HANDCRAFTED OR SELF-LEARNED DIAGNOSTIC CRITERIA FOR VARIOUS APPLICATIONS. THIS CHAPTER PRESENTS DIFFERENT TECHNIQUES APPLIED FOR CHEST CT SCANS SEGMENTATION, CONSIDERING THE STATE OF THE ART OF UNET NETWORKS TO SEGMENT COVID-19 CT SCANS AND A SEGMENTATION EXPERIMENT FOR NETWORK EVALUATION. ALONG 200 EPOCHS, A DICE COEFFICIENT OF 0.83 WAS OBTAINED.<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","class_list":["post-434003","tnc_col_19837_item","type-tnc_col_19837_item","status-publish","format-standard","hentry","tnc_tax_19993-sdg-3-good-health-and-well-being","tnc_tax_19818-english","tnc_tax_19716-faculty-of-business-and-law","tnc_tax_19659-booksection"],"taxonomy_info":[],"featured_image_src_large":false,"author_info":[],"comment_info":0,"featured_img":false,"coauthors":[],"author_meta":{"author_link":"https:\/\/library.usj.edu.mo\/zh\/author\/emilychan\/","display_name":"emily chan"},"relative_dates":{"created":"Posted 7 \u5929 ago","modified":"Updated 7 \u5929 ago"},"absolute_dates":{"created":"Posted on 24 8 \u6708, 2026","modified":"Updated on 24 8 \u6708, 2026"},"absolute_dates_time":{"created":"Posted on 24 8 \u6708, 2026 5:23 \u4e0b\u5348","modified":"Updated on 24 8 \u6708, 2026 6:33 \u4e0b\u5348"},"featured_img_caption":"","tax_additional":{"tnc_tax_19993":{"linked":["<a href=\"https:\/\/library.usj.edu.mo\/zh\/sdgs\/sdg-3-good-health-and-well-being\/\" class=\"advgb-post-tax-term\">SDG 3 Good Health and Well-being<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">SDG 3 Good Health and Well-being<\/span>"],"slug":"tnc_tax_19993","name":"SDGs"},"tnc_tax_19818":{"linked":["<a href=\"https:\/\/library.usj.edu.mo\/zh\/language\/english\/\" class=\"advgb-post-tax-term\">ENGLISH<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">ENGLISH<\/span>"],"slug":"tnc_tax_19818","name":"LANGUAGE"},"tnc_tax_19716":{"linked":["<a href=\"https:\/\/library.usj.edu.mo\/zh\/faculty-research-unit\/faculty-of-business-and-law\/\" class=\"advgb-post-tax-term\">FACULTY OF BUSINESS AND LAW<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">FACULTY OF BUSINESS AND LAW<\/span>"],"slug":"tnc_tax_19716","name":"FACULTY \/ RESEARCH UNIT"},"tnc_tax_19664":{"linked":[],"unlinked":[],"slug":"tnc_tax_19664","name":"SUBJECT"},"tnc_tax_19659":{"linked":["<a href=\"https:\/\/library.usj.edu.mo\/zh\/resource-type\/booksection\/\" class=\"advgb-post-tax-term\">Book Section<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Book Section<\/span>"],"slug":"tnc_tax_19659","name":"Document Type"}},"series_order":"","_links":{"self":[{"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/tnc_col_19837_item\/434003","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/tnc_col_19837_item"}],"about":[{"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/types\/tnc_col_19837_item"}],"replies":[{"embeddable":true,"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/comments?post=434003"}],"version-history":[{"count":1,"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/tnc_col_19837_item\/434003\/revisions"}],"predecessor-version":[{"id":436456,"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/tnc_col_19837_item\/434003\/revisions\/436456"}],"wp:attachment":[{"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/media?parent=434003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}