{"id":434006,"date":"2026-08-24T17:23:50","date_gmt":"2026-08-24T09:23:50","guid":{"rendered":"https:\/\/library.usj.edu.mo\/?post_type=tnc_col_19837_item&#038;p=434006"},"modified":"2026-08-24T18:33:19","modified_gmt":"2026-08-24T10:33:19","slug":"classification-of-covid-19-ct-scans-using-convolutional-neural-networks-and-transformers","status":"publish","type":"tnc_col_19837_item","link":"https:\/\/library.usj.edu.mo\/zh\/scholarly-work-usj\/classification-of-covid-19-ct-scans-using-convolutional-neural-networks-and-transformers\/","title":{"rendered":"CLASSIFICATION OF COVID-19 CT SCANS USING CONVOLUTIONAL NEURAL NETWORKS AND TRANSFORMERS"},"content":{"rendered":"<p>COVID-19 IS A RESPIRATORY DISORDER CAUSED BY CORONAVIRUS AND SARS (SARS-COV2). WHO DECLARED COVID-19 A GLOBAL PANDEMIC IN MARCH 2020 AND SEVERAL NATIONS\u2019 HEALTHCARE SYSTEMS WERE ON THE VERGE OF COLLAPSING. WITH THAT, BECAME CRUCIAL TO SCREEN COVID-19-POSITIVE PATIENTS TO MAXIMIZE LIMITED RESOURCES. NAATS AND ANTIGEN TESTS ARE UTILIZED TO DIAGNOSE COVID-19 INFECTIONS. NAATS RELIABLY DETECT SARS-COV-2 AND SELDOM PRODUCE FALSE-NEGATIVE RESULTS. BECAUSE OF ITS SPECIFICITY AND SENSITIVITY, RT-PCR CAN BE CONSIDERED THE GOLD STANDARD FOR COVID-19 DIAGNOSIS. THIS TEST\u2019S COMPLEX GEAR IS PRICEY AND TIME-CONSUMING, USING SKILLED SPECIALISTS TO COLLECT THROAT OR NASAL MUCUS SAMPLES. THESE TESTS REQUIRE LABORATORY FACILITIES AND A MACHINE FOR DETECTION AND ANALYSIS. DEEP LEARNING NETWORKS HAVE BEEN USED FOR FEATURE EXTRACTION AND CLASSIFICATION OF CHEST CT-SCAN IMAGES AND AS AN INNOVATIVE DETECTION APPROACH IN CLINICAL PRACTICE. BECAUSE OF COVID-19 CT SCANS\u2019 MEDICAL CHARACTERISTICS, THE LESIONS ARE WIDELY SPREAD AND DISPLAY A RANGE OF LOCAL ASPECTS. USING DEEP LEARNING TO DIAGNOSE DIRECTLY IS DIFFICULT. IN COVID-19, A TRANSFORMER AND CONVOLUTIONAL NEURAL NETWORK MODULE ARE PRESENTED TO EXTRACT LOCAL AND GLOBAL INFORMATION FROM CT IMAGES. THIS CHAPTER EXPLAINS TRANSFER LEARNING, CONSIDERING VGG-16 NETWORK, IN CT EXAMINATIONS AND COMPARES CONVOLUTIONAL NETWORKS WITH VISION TRANSFORMERS (VIT). VIT USAGE INCREASED VGG-16 NETWORK F1-SCORE TO 0.94.<\/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-434006","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\/434006","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=434006"}],"version-history":[{"count":1,"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/tnc_col_19837_item\/434006\/revisions"}],"predecessor-version":[{"id":436450,"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/tnc_col_19837_item\/434006\/revisions\/436450"}],"wp:attachment":[{"href":"https:\/\/library.usj.edu.mo\/zh\/wp-json\/wp\/v2\/media?parent=434006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}