{"id":1077,"date":"2026-08-16T21:47:28","date_gmt":"2026-08-16T21:47:28","guid":{"rendered":"https:\/\/els-journal.net\/wp\/about\/"},"modified":"2026-08-16T21:54:00","modified_gmt":"2026-08-16T21:54:00","slug":"30202-an-ensemble-deep-learning-approach-for-credit-card-fraud-detection-using-cnn-and-adaboost","status":"publish","type":"page","link":"https:\/\/els-journal.net\/wp\/?page_id=1077","title":{"rendered":"30202 An Ensemble Deep Learning Approach for Credit Card Fraud Detection using CNN and AdaBoost"},"content":{"rendered":"\n\n\n<h3>Vol. 30, No. 2 &#8211; December 2026<\/h3>\n<h3>An Ensemble Deep Learning Approach for Credit Card Fraud Detection using CNN and AdaBoost<\/h3>\n<h5>https:\/\/doi.org\/10.53314\/ELS2630065S<\/h5>\n<h5>Santosh Nirmal, Poonam Rakibe, and Pramod Patil<\/h5>\n<h5><b>Abstract<\/b><\/h5>\n<h5>Detecting credit card fraud remains a critical issue&nbsp;<span style=\"font-size: 14px;\">in financial security, demanding models that excel on imbalanced&nbsp;<\/span><span style=\"font-size: 14px;\">tabular transaction data while balancing accuracy, interpretability,<\/span><\/h5><h5>and efficiency.<\/h5><h5>This paper proposes a novel hybrid CNN-AdaBoost framework,&nbsp;<span style=\"font-size: 14px;\">where convolutional neural networks extract intricate,&nbsp;<\/span><span style=\"font-size: 14px;\">complex patterns from raw transactional features, and AdaBoost<\/span><\/h5><h5>performs robust iterative classification to refine predictions.<\/h5><h5>We evaluate the approach on standard credit card fraud&nbsp;<span style=\"font-size: 14px;\">benchmarks, achieving an overall accuracy of 95.43% alongside a&nbsp;<\/span><span style=\"font-size: 14px;\">strong F1-score of 92.75%, surpassing baselines methods. Ablation&nbsp;<\/span><span style=\"font-size: 14px;\">studies also conducted to confirm synergy: standalone CNN yields&nbsp;<\/span><span style=\"font-size: 14px;\">93.12% accuracy, while pure AdaBoost reaches 93.58%, highlighting&nbsp;<\/span><span style=\"font-size: 14px;\">how feature fusion addresses individual shortcomings in handling&nbsp;<\/span><span style=\"font-size: 14px;\">noise and class imbalance.<\/span><\/h5><h5>The novelty stems from repurposing CNN\u2019s convolution layers&nbsp;<span style=\"font-size: 14px;\">to capture local, complex patterns directly from raw tabular transaction&nbsp;<\/span><span style=\"font-size: 14px;\">data, feeding these rich representations into AdaBoost for&nbsp;<\/span><span style=\"font-size: 14px;\">adaptive error correction. This hybrid uniquely blends deep feature&nbsp;<\/span><span style=\"font-size: 14px;\">learning\u2019s nuance with ensemble boosting\u2019s efficiency and interpretability,&nbsp;<\/span><span style=\"font-size: 14px;\">outperforming standalone methods on imbalanced&nbsp;<\/span><span style=\"font-size: 14px;\">fraud detection. Prior works rarely fuse these for tabular domains,&nbsp;<\/span><span style=\"font-size: 14px;\">yielding our 95.43% accuracy benchmark.<\/span><\/h5><h5>This provides valuable insights into the design of hybrid models&nbsp;<span style=\"font-size: 14px;\">for structured and tabular data classification tasks and establishes&nbsp;<\/span><span style=\"font-size: 14px;\">a strong benchmark for future research in this domain.<\/span><\/h5>\n<h5>Full text:  <a class=\"fas fa-file-pdf\" href=\"https:\/\/els-journal.net\/wp\/wp-content\/uploads\/2026\/08\/2026-30-2-02.pdf\" target=\"_blank\" rel=\"noopener\"><\/a><\/h5>\n\n\n\n\n<a target=\"_blank\" href=\"http:\/\/www.scopus.com\/inward\/citedby.uri?partnerID=HzOxMe3b&#038;doi=10.53314\/ELS2630065S&#038;origin=inward\" ref=\"scopus-citedby\" rel=\"noopener\"><image src=\"http:\/\/api.elsevier.com\/content\/abstract\/citation-count?doi=10.53314\/ELS2630065S&#038;httpAccept=image%2Fjpeg&#038;apiKey=87124910cd33413b75b0a6f4e70d58bd\" border=\"0\" alt=\"cited by count\"\/><\/a>\n\n\n\n\nGoogle Scholar Citations <a target=\"_blank\" class=\"fas fa-external-link-alt\" href=\"http:\/\/scholar.google.com\/scholar?hl=en&#038;lr=&#038;cites=http:\/\/dx.doi.org\/10.53314\/ELS2630065S\" rel=\"noopener\"><\/a>\n\n\n\n\n<center> <span class=\"__dimensions_badge_embed__\" data-doi=\"10.53314\/ELS2630065S\" data-style=\"small_circle\"><\/span> <\/center> <script async src=\"https:\/\/badge.dimensions.ai\/badge.js\" charset=\"utf-8\"><\/script>\n\n\n\n\n<center>Google Scholar Citations <a target=\"_blank\" class=\"fas fa-external-link-alt\" href=\"http:\/\/scholar.google.com\/scholar?hl=en&#038;lr=&#038;cites=http:\/\/dx.doi.org\/10.53314\/ELS2630065S\" rel=\"noopener\"><\/a><\/center>\n\n\n\n\n<a target=\"_blank\" href=\"http:\/\/www.scopus.com\/inward\/citedby.uri?partnerID=HzOxMe3b&#038;doi=10.53314\/ELS2630065S&#038;origin=inward\" ref=\"scopus-citedby\" rel=\"noopener\"><image src=\"http:\/\/api.elsevier.com\/content\/abstract\/citation-count?doi=10.53314\/ELS2630065S&#038;httpAccept=image%2Fjpeg&#038;apiKey=87124910cd33413b75b0a6f4e70d58bd\" border=\"0\" alt=\"cited by count\"\/><\/a>\n\n\n\n\n<center><span class=\"__dimensions_badge_embed__\" data-doi=\"10.53314\/ELS2630065S\" data-style=\"large_rectangle\"><\/span><\/center><script async src=\"https:\/\/badge.dimensions.ai\/badge.js\" charset=\"utf-8\"><\/script>\n\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":991,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":""},"class_list":["post-1077","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/els-journal.net\/wp\/index.php?rest_route=\/wp\/v2\/pages\/1077","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/els-journal.net\/wp\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/els-journal.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/els-journal.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/els-journal.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1077"}],"version-history":[{"count":1,"href":"https:\/\/els-journal.net\/wp\/index.php?rest_route=\/wp\/v2\/pages\/1077\/revisions"}],"predecessor-version":[{"id":1078,"href":"https:\/\/els-journal.net\/wp\/index.php?rest_route=\/wp\/v2\/pages\/1077\/revisions\/1078"}],"up":[{"embeddable":true,"href":"https:\/\/els-journal.net\/wp\/index.php?rest_route=\/wp\/v2\/pages\/991"}],"wp:attachment":[{"href":"https:\/\/els-journal.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}